gentoo resync : 15.01.2020

41 files changed, 1700 insertions, 506 deletions

diff --git a/eclass/Manifest.gz b/eclass/Manifest.gz
index 257db67d544b..0b040b97cfa9 100644
--- a/eclass/Manifest.gz
+++ b/eclass/Manifest.gz
diff --git a/eclass/cargo.eclass b/eclass/cargo.eclass
index 13dd5c355fb3..79d8863017d1 100644
--- a/eclass/cargo.eclass
+++ b/eclass/cargo.eclass
@@ -12,16 +12,12 @@
 if [[ -z ${_CARGO_ECLASS} ]]; then
 _CARGO_ECLASS=1
 
-if [[ ${PV} == *9999* ]]; then
-	# we need at least this for cargo vendor subommand
-	CARGO_DEPEND=">=virtual/cargo-1.37.0"
-else
-	CARGO_DEPEND="virtual/cargo"
-fi
+# we need this for 'cargo vendor' subcommand and net.offline config knob
+RUST_DEPEND=">=virtual/rust-1.37.0"
 
 case ${EAPI} in
-	6) DEPEND="${CARGO_DEPEND}";;
-	7) BDEPEND="${CARGO_DEPEND}";;
+	6) DEPEND="${RUST_DEPEND}";;
+	7) BDEPEND="${RUST_DEPEND}";;
 	*) die "EAPI=${EAPI:-0} is not supported" ;;
 esac
 
@@ -34,20 +30,22 @@ IUSE="${IUSE} debug"
 ECARGO_HOME="${WORKDIR}/cargo_home"
 ECARGO_VENDOR="${ECARGO_HOME}/gentoo"
 
+# @ECLASS-VARIABLE: CARGO_INSTALL_PATH
+# @DESCRIPTION:
+# Allows overriding the default cwd to run cargo install from
+: ${CARGO_INSTALL_PATH:=.}
+
 # @FUNCTION: cargo_crate_uris
 # @DESCRIPTION:
 # Generates the URIs to put in SRC_URI to help fetch dependencies.
 cargo_crate_uris() {
+	local -r regex='^(.*)-([0-9]+\.[0-9]+\.[0-9]+.*)$'
 	local crate
 	for crate in "$@"; do
-		local name version url pretag
-		name="${crate%-*}"
-		version="${crate##*-}"
-		pretag="^[a-zA-Z]+"
-		if [[ $version =~ $pretag ]]; then
-			version="${name##*-}-${version}"
-			name="${name%-*}"
-		fi
+		local name version url
+		[[ $crate =~ $regex ]] || die "Could not parse name and version from crate: $crate"
+		name="${BASH_REMATCH[1]}"
+		version="${BASH_REMATCH[2]}"
 		url="https://crates.io/api/v1/crates/${name}/${version}/download -> ${crate}.crate"
 		echo "${url}"
 	done
@@ -124,7 +122,14 @@ cargo_live_src_unpack() {
 
 # @FUNCTION: cargo_gen_config
 # @DESCRIPTION:
-# Generate the $CARGO_HOME/config necessary to use our local registry
+# Generate the $CARGO_HOME/config necessary to use our local registry and settings.
+# Cargo can also be configured through environment variables in addition to the TOML syntax below.
+# For each configuration key below of the form foo.bar the environment variable CARGO_FOO_BAR
+# can also be used to define the value.
+# Environment variables will take precedent over TOML configuration,
+# and currently only integer, boolean, and string keys are supported.
+# For example the build.jobs key can also be defined by CARGO_BUILD_JOBS.
+# Or setting CARGO_TERM_VERBOSE=false in make.conf will make build quieter.
 cargo_gen_config() {
 	debug-print-function ${FUNCNAME} "$@"
 
@@ -135,7 +140,18 @@ cargo_gen_config() {
 	[source.crates-io]
 	replace-with = "gentoo"
 	local-registry = "/nonexistant"
+
+	[net]
+	offline = true
+
+	[build]
+	jobs = $(makeopts_jobs)
+
+	[term]
+	verbose = true
 	EOF
+	# honor NOCOLOR setting
+	[[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]] && echo "color = 'never'" >> "${ECARGO_HOME}/config"
 }
 
 # @FUNCTION: cargo_src_compile
@@ -146,7 +162,7 @@ cargo_src_compile() {
 
 	export CARGO_HOME="${ECARGO_HOME}"
 
-	cargo build -vv -j $(makeopts_jobs) $(usex debug "" --release) "$@" \
+	cargo build $(usex debug "" --release) "$@" \
 		|| die "cargo build failed"
 }
 
@@ -156,9 +172,11 @@ cargo_src_compile() {
 cargo_src_install() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	cargo install -vv -j $(makeopts_jobs) --root="${ED}/usr" $(usex debug --debug "") "$@" \
+	cargo install --path ${CARGO_INSTALL_PATH} \
+		--root="${ED}/usr" $(usex debug --debug "") "$@" \
 		|| die "cargo install failed"
 	rm -f "${ED}/usr/.crates.toml"
+	rm -f "${ED}/usr/.crates2.json"
 
 	[ -d "${S}/man" ] && doman "${S}/man" || return 0
 }
@@ -169,7 +187,7 @@ cargo_src_install() {
 cargo_src_test() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	cargo test -vv -j $(makeopts_jobs) $(usex debug "" --release) "$@" \
+	cargo test $(usex debug "" --release) "$@" \
 		|| die "cargo test failed"
 }
 
diff --git a/eclass/cmake-multilib.eclass b/eclass/cmake-multilib.eclass
index 9d617900b736..2693d9c72e2b 100644
--- a/eclass/cmake-multilib.eclass
+++ b/eclass/cmake-multilib.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: cmake-multilib.eclass
@@ -19,6 +19,12 @@
 # in multilib-minimal, yet they ought to call appropriate cmake-utils
 # phase rather than 'default'.
 
+# @ECLASS-VARIABLE: CMAKE_ECLASS
+# @DESCRIPTION:
+# Default is "cmake-utils" for compatibility. Specify "cmake" for ebuilds
+# that ported from cmake-utils.eclass to cmake.eclass already.
+: ${CMAKE_ECLASS:=cmake-utils}
+
 case ${EAPI:-0} in
 	[67]) ;;
 	*) die "EAPI=${EAPI} is not supported" ;;
@@ -28,7 +34,15 @@ if [[ ${CMAKE_IN_SOURCE_BUILD} ]]; then
 	die "${ECLASS}: multilib support requires out-of-source builds."
 fi
 
-inherit cmake-utils multilib-minimal
+case ${CMAKE_ECLASS} in
+	cmake-utils|cmake) ;;
+	*)
+		eerror "Unknown value for \${CMAKE_ECLASS}"
+		die "Value ${CMAKE_ECLASS} is not supported"
+		;;
+esac
+
+inherit ${CMAKE_ECLASS} multilib-minimal
 
 EXPORT_FUNCTIONS src_configure src_compile src_test src_install
 
@@ -39,7 +53,7 @@ cmake-multilib_src_configure() {
 }
 
 multilib_src_configure() {
-	cmake-utils_src_configure "${_cmake_args[@]}"
+	${CMAKE_ECLASS}_src_configure "${_cmake_args[@]}"
 }
 
 cmake-multilib_src_compile() {
@@ -49,7 +63,7 @@ cmake-multilib_src_compile() {
 }
 
 multilib_src_compile() {
-	cmake-utils_src_compile "${_cmake_args[@]}"
+	${CMAKE_ECLASS}_src_compile "${_cmake_args[@]}"
 }
 
 cmake-multilib_src_test() {
@@ -59,7 +73,7 @@ cmake-multilib_src_test() {
 }
 
 multilib_src_test() {
-	cmake-utils_src_test "${_cmake_args[@]}"
+	${CMAKE_ECLASS}_src_test "${_cmake_args[@]}"
 }
 
 cmake-multilib_src_install() {
@@ -69,5 +83,5 @@ cmake-multilib_src_install() {
 }
 
 multilib_src_install() {
-	cmake-utils_src_install "${_cmake_args[@]}"
+	${CMAKE_ECLASS}_src_install "${_cmake_args[@]}"
 }
diff --git a/eclass/cmake.eclass b/eclass/cmake.eclass
new file mode 100644
index 000000000000..dfccbad1a786
--- /dev/null
+++ b/eclass/cmake.eclass
@@ -0,0 +1,646 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: cmake.eclass
+# @MAINTAINER:
+# kde@gentoo.org
+# @AUTHOR:
+# Tomáš Chvátal <scarabeus@gentoo.org>
+# Maciej Mrozowski <reavertm@gentoo.org>
+# (undisclosed contributors)
+# Original author: Zephyrus (zephyrus@mirach.it)
+# @SUPPORTED_EAPIS: 7
+# @BLURB: common ebuild functions for cmake-based packages
+# @DESCRIPTION:
+# The cmake eclass makes creating ebuilds for cmake-based packages much easier.
+# It provides all inherited features (DOCS, HTML_DOCS, PATCHES) along with
+# out-of-source builds (default), in-source builds and an implementation of the
+# well-known use_enable function for CMake.
+
+if [[ -z ${_CMAKE_ECLASS} ]]; then
+_CMAKE_ECLASS=1
+
+# @ECLASS-VARIABLE: BUILD_DIR
+# @DESCRIPTION:
+# Build directory where all cmake processed files should be generated.
+# For in-source build it's fixed to ${CMAKE_USE_DIR}.
+# For out-of-source build it can be overridden, by default it uses
+# ${WORKDIR}/${P}_build.
+: ${BUILD_DIR:=${WORKDIR}/${P}_build}
+
+# @ECLASS-VARIABLE: CMAKE_BINARY
+# @DESCRIPTION:
+# Eclass can use different cmake binary than the one provided in by system.
+: ${CMAKE_BINARY:=cmake}
+
+# @ECLASS-VARIABLE: CMAKE_BUILD_TYPE
+# @DESCRIPTION:
+# Set to override default CMAKE_BUILD_TYPE. Only useful for packages
+# known to make use of "if (CMAKE_BUILD_TYPE MATCHES xxx)".
+# If about to be set - needs to be set before invoking cmake_src_configure.
+# You usually do *NOT* want nor need to set it as it pulls CMake default
+# build-type specific compiler flags overriding make.conf.
+: ${CMAKE_BUILD_TYPE:=Gentoo}
+
+# @ECLASS-VARIABLE: CMAKE_IN_SOURCE_BUILD
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Set to enable in-source build.
+
+# @ECLASS-VARIABLE: CMAKE_MAKEFILE_GENERATOR
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Specify a makefile generator to be used by cmake.
+# At this point only "emake" and "ninja" are supported.
+# The default is set to "ninja".
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+
+# @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES_LIST
+# @DESCRIPTION:
+# Array of CMake modules that will be removed in $S during src_prepare,
+# in order to force packages to use the system version.
+# Set to "none" to disable removing modules entirely.
+: ${CMAKE_REMOVE_MODULES_LIST:=FindBLAS FindLAPACK}
+
+# @ECLASS-VARIABLE: CMAKE_USE_DIR
+# @DESCRIPTION:
+# Sets the directory where we are working with cmake, for example when
+# application uses autotools and only one plugin needs to be done by cmake.
+# By default it uses ${S}.
+
+# @ECLASS-VARIABLE: CMAKE_VERBOSE
+# @DESCRIPTION:
+# Set to OFF to disable verbose messages during compilation
+: ${CMAKE_VERBOSE:=ON}
+
+# @ECLASS-VARIABLE: CMAKE_WARN_UNUSED_CLI
+# @DESCRIPTION:
+# Warn about variables that are declared on the command line
+# but not used. Might give false-positives.
+# "no" to disable (default) or anything else to enable.
+: ${CMAKE_WARN_UNUSED_CLI:=yes}
+
+# @ECLASS-VARIABLE: CMAKE_EXTRA_CACHE_FILE
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Specifies an extra cache file to pass to cmake. This is the analog of EXTRA_ECONF
+# for econf and is needed to pass TRY_RUN results when cross-compiling.
+# Should be set by user in a per-package basis in /etc/portage/package.env.
+
+# @ECLASS-VARIABLE: CMAKE_QA_SRC_DIR_READONLY
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# After running cmake_src_prepare, sets ${S} to read-only. This is
+# a user flag and should under _no circumstances_ be set in the ebuild.
+# Helps in improving QA of build systems that write to source tree.
+
+case ${EAPI} in
+	7) ;;
+	*) die "EAPI=${EAPI:-0} is not supported" ;;
+esac
+
+inherit toolchain-funcs ninja-utils flag-o-matic multiprocessing xdg-utils
+
+EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install
+
+[[ ${CMAKE_MIN_VERSION} ]] && die "CMAKE_MIN_VERSION is banned; if necessary, set BDEPEND=\">=dev-util/cmake-${CMAKE_MIN_VERSION}\" directly"
+[[ ${CMAKE_BUILD_DIR} ]] && die "The ebuild must be migrated to BUILD_DIR"
+[[ ${CMAKE_REMOVE_MODULES} ]] && die "CMAKE_REMOVE_MODULES is banned, set CMAKE_REMOVE_MODULES_LIST=\"\" instead"
+[[ ${CMAKE_UTILS_QA_SRC_DIR_READONLY} ]] && die "Use CMAKE_QA_SRC_DIR_READONLY instead"
+[[ ${WANT_CMAKE} ]] && die "WANT_CMAKE has been removed and is a no-op"
+[[ ${PREFIX} ]] && die "PREFIX has been removed and is a no-op"
+
+case ${CMAKE_MAKEFILE_GENERATOR} in
+	emake)
+		BDEPEND="sys-devel/make"
+		;;
+	ninja)
+		BDEPEND="dev-util/ninja"
+		;;
+	*)
+		eerror "Unknown value for \${CMAKE_MAKEFILE_GENERATOR}"
+		die "Value ${CMAKE_MAKEFILE_GENERATOR} is not supported"
+		;;
+esac
+
+if [[ ${PN} != cmake ]]; then
+	BDEPEND+=" dev-util/cmake"
+fi
+
+# @FUNCTION: _cmake_banned_func
+# @INTERNAL
+# @DESCRIPTION:
+# Banned functions are banned.
+_cmake_banned_func() {
+	die "${FUNCNAME[1]} is banned. use -D$1<related_CMake_variable>=\"\$(usex $2)\" instead"
+}
+
+# Determine using IN or OUT source build
+_cmake_check_build_dir() {
+	: ${CMAKE_USE_DIR:=${S}}
+	if [[ -n ${CMAKE_IN_SOURCE_BUILD} ]]; then
+		# we build in source dir
+		BUILD_DIR="${CMAKE_USE_DIR}"
+	fi
+
+	mkdir -p "${BUILD_DIR}" || die
+	einfo "Working in BUILD_DIR: \"$BUILD_DIR\""
+}
+
+# @FUNCTION: cmake_comment_add_subdirectory
+# @USAGE: <subdirectory>
+# @DESCRIPTION:
+# Comment out one or more add_subdirectory calls in CMakeLists.txt in the current directory
+cmake_comment_add_subdirectory() {
+	if [[ -z ${1} ]]; then
+		die "comment_add_subdirectory must be passed at least one directory name to comment"
+	fi
+
+	if [[ -e "CMakeLists.txt" ]]; then
+		local d
+		for d in $@; do
+			sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${d//\//\\/}[[:space:]]*)/I s/^/#DONOTCOMPILE /" \
+				-i CMakeLists.txt || die "failed to comment add_subdirectory(${d})"
+		done
+	fi
+}
+
+# @FUNCTION: comment_add_subdirectory
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use cmake_comment_add_subdirectory instead.
+comment_add_subdirectory() {
+	die "comment_add_subdirectory is banned. Use cmake_comment_add_subdirectory instead"
+}
+
+# @FUNCTION: cmake-utils_use_with
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DWITH_FOO=$(usex foo) instead.
+cmake-utils_use_with() { _cmake_banned_func WITH_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_enable
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DENABLE_FOO=$(usex foo) instead.
+cmake-utils_use_enable() { _cmake_banned_func ENABLE_ "$@" ; }
+
+# @FUNCTION: cmake_use_find_package
+# @USAGE: <USE flag> <package name>
+# @DESCRIPTION:
+# Based on use_enable. See ebuild(5).
+#
+# `cmake_use_find_package foo LibFoo` echoes -DCMAKE_DISABLE_FIND_PACKAGE_LibFoo=OFF
+# if foo is enabled and -DCMAKE_DISABLE_FIND_PACKAGE_LibFoo=ON if it is disabled.
+# This can be used to make find_package optional.
+cmake_use_find_package() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ "$#" != 2 || -z $1 ]] ; then
+		die "Usage: cmake_use_find_package <USE flag> <package name>"
+	fi
+
+	echo "-DCMAKE_DISABLE_FIND_PACKAGE_$2=$(use $1 && echo OFF || echo ON)"
+}
+
+# @FUNCTION: cmake-utils_use_disable
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DDISABLE_FOO=$(usex !foo) instead.
+cmake-utils_use_disable() { _cmake_banned_func DISABLE_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_no
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DNO_FOO=$(usex !foo) instead.
+cmake-utils_use_no() { _cmake_banned_func NO_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_want
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DWANT_FOO=$(usex foo) instead.
+cmake-utils_use_want() { _cmake_banned_func WANT_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_build
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DBUILD_FOO=$(usex foo) instead.
+cmake-utils_use_build() { _cmake_banned_func BUILD_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_has
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DHAVE_FOO=$(usex foo) instead.
+cmake-utils_use_has() { _cmake_banned_func HAVE_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use_use
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DUSE_FOO=$(usex foo) instead.
+cmake-utils_use_use() { _cmake_banned_func USE_ "$@" ; }
+
+# @FUNCTION: cmake-utils_use
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DFOO=$(usex foo) instead.
+cmake-utils_use() { _cmake_banned_func "" "$@" ; }
+
+# @FUNCTION: cmake-utils_useno
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use -DNOFOO=$(usex !foo) instead.
+cmake-utils_useno() { _cmake_banned_func "" "$@" ; }
+
+# Internal function for modifying hardcoded definitions.
+# Removes dangerous definitions that override Gentoo settings.
+_cmake_modify-cmakelists() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	# Only edit the files once
+	grep -qs "<<< Gentoo configuration >>>" "${CMAKE_USE_DIR}"/CMakeLists.txt && return 0
+
+	# Comment out all set (<some_should_be_user_defined_variable> value)
+	find "${CMAKE_USE_DIR}" -name CMakeLists.txt -exec sed \
+		-e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_BUILD_TYPE\([[:space:]].*)\|)\)/I{s/^/#_cmake_modify_IGNORE /g}' \
+		-e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_COLOR_MAKEFILE[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' \
+		-e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_INSTALL_PREFIX[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' \
+		-e '/^[[:space:]]*set[[:space:]]*([[:space:]]*CMAKE_VERBOSE_MAKEFILE[[:space:]].*)/I{s/^/#_cmake_modify_IGNORE /g}' \
+		-i {} + || die "${LINENO}: failed to disable hardcoded settings"
+	local x
+	for x in $(find "${CMAKE_USE_DIR}" -name CMakeLists.txt -exec grep -l "^#_cmake_modify_IGNORE" {} +;); do
+		einfo "Hardcoded definition(s) removed in $(echo "${x}" | cut -c $((${#CMAKE_USE_DIR}+2))-):"
+		einfo "$(grep -se '^#_cmake_modify_IGNORE' ${x} | cut -c 22-99)"
+	done
+
+	# NOTE Append some useful summary here
+	cat >> "${CMAKE_USE_DIR}"/CMakeLists.txt <<- _EOF_ || die
+
+		MESSAGE(STATUS "<<< Gentoo configuration >>>
+		Build type      \${CMAKE_BUILD_TYPE}
+		Install path    \${CMAKE_INSTALL_PREFIX}
+		Compiler flags:
+		C               \${CMAKE_C_FLAGS}
+		C++             \${CMAKE_CXX_FLAGS}
+		Linker flags:
+		Executable      \${CMAKE_EXE_LINKER_FLAGS}
+		Module          \${CMAKE_MODULE_LINKER_FLAGS}
+		Shared          \${CMAKE_SHARED_LINKER_FLAGS}\n")
+	_EOF_
+}
+
+# @FUNCTION: cmake_src_prepare
+# @DESCRIPTION:
+# Apply ebuild and user patches.
+cmake_src_prepare() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	# FIXME: workaround from cmake-utils; use current working directory instead, bug #704524
+	# esp. test with 'special' pkgs like: app-arch/brotli, media-gfx/gmic, net-libs/quiche
+	pushd "${S}" > /dev/null || die
+
+	default_src_prepare
+	_cmake_check_build_dir
+
+	# check if CMakeLists.txt exist and if no then die
+	if [[ ! -e ${CMAKE_USE_DIR}/CMakeLists.txt ]] ; then
+		eerror "Unable to locate CMakeLists.txt under:"
+		eerror "\"${CMAKE_USE_DIR}/CMakeLists.txt\""
+		eerror "Consider not inheriting the cmake eclass."
+		die "FATAL: Unable to find CMakeLists.txt"
+	fi
+
+	# if ninja is enabled but not installed, the build could fail
+	# this could happen if ninja is manually enabled (eg. make.conf) but not installed
+	if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]] && ! has_version -b dev-util/ninja; then
+		eerror "CMAKE_MAKEFILE_GENERATOR is set to ninja, but ninja is not installed."
+		die "Please install dev-util/ninja or unset CMAKE_MAKEFILE_GENERATOR."
+	fi
+
+	local modules_list
+	if [[ $(declare -p CMAKE_REMOVE_MODULES_LIST) == "declare -a"* ]]; then
+		modules_list=( "${CMAKE_REMOVE_MODULES_LIST[@]}" )
+	else
+		modules_list=( ${CMAKE_REMOVE_MODULES_LIST} )
+	fi
+
+	local name
+	for name in "${modules_list[@]}" ; do
+		find "${S}" -name ${name}.cmake -exec rm -v {} + || die
+	done
+
+	# Remove dangerous things.
+	_cmake_modify-cmakelists
+
+	popd > /dev/null || die
+
+	# make ${S} read-only in order to detect broken build-systems
+	if [[ ${CMAKE_QA_SRC_DIR_READONLY} && ! ${CMAKE_IN_SOURCE_BUILD} ]]; then
+		chmod -R a-w "${S}"
+	fi
+
+	_CMAKE_SRC_PREPARE_HAS_RUN=1
+}
+
+# @VARIABLE: mycmakeargs
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Optional cmake defines as a bash array. Should be defined before calling
+# src_configure.
+# @CODE
+# src_configure() {
+# 	local mycmakeargs=(
+# 		$(cmake_use_with openconnect)
+# 	)
+#
+# 	cmake_src_configure
+# }
+# @CODE
+
+# @FUNCTION: cmake_src_configure
+# @DESCRIPTION:
+# General function for configuring with cmake. Default behaviour is to start an
+# out-of-source build.
+cmake_src_configure() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	[[ ${_CMAKE_SRC_PREPARE_HAS_RUN} ]] || \
+		die "FATAL: cmake_src_prepare has not been run"
+
+	_cmake_check_build_dir
+
+	# Fix xdg collision with sandbox
+	xdg_environment_reset
+
+	# @SEE CMAKE_BUILD_TYPE
+	if [[ ${CMAKE_BUILD_TYPE} = Gentoo ]]; then
+		# Handle release builds
+		if ! in_iuse debug || ! use debug; then
+			local CPPFLAGS=${CPPFLAGS}
+			append-cppflags -DNDEBUG
+		fi
+	fi
+
+	# Prepare Gentoo override rules (set valid compiler, append CPPFLAGS etc.)
+	local build_rules=${BUILD_DIR}/gentoo_rules.cmake
+
+	cat > "${build_rules}" <<- _EOF_ || die
+		SET (CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "ASM compile command" FORCE)
+		SET (CMAKE_ASM-ATT_COMPILE_OBJECT "<CMAKE_ASM-ATT_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c -x assembler <SOURCE>" CACHE STRING "ASM-ATT compile command" FORCE)
+		SET (CMAKE_ASM-ATT_LINK_FLAGS "-nostdlib" CACHE STRING "ASM-ATT link flags" FORCE)
+		SET (CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C compile command" FORCE)
+		SET (CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> ${CPPFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "C++ compile command" FORCE)
+		SET (CMAKE_Fortran_COMPILE_OBJECT "<CMAKE_Fortran_COMPILER> <DEFINES> <INCLUDES> ${FCFLAGS} <FLAGS> -o <OBJECT> -c <SOURCE>" CACHE STRING "Fortran compile command" FORCE)
+	_EOF_
+
+	local myCC=$(tc-getCC) myCXX=$(tc-getCXX) myFC=$(tc-getFC)
+
+	# !!! IMPORTANT NOTE !!!
+	# Single slash below is intentional. CMake is weird and wants the
+	# CMAKE_*_VARIABLES split into two elements: the first one with
+	# compiler path, and the second one with all command-line options,
+	# space separated.
+	local toolchain_file=${BUILD_DIR}/gentoo_toolchain.cmake
+	cat > ${toolchain_file} <<- _EOF_ || die
+		SET (CMAKE_ASM_COMPILER "${myCC/ /;}")
+		SET (CMAKE_ASM-ATT_COMPILER "${myCC/ /;}")
+		SET (CMAKE_C_COMPILER "${myCC/ /;}")
+		SET (CMAKE_CXX_COMPILER "${myCXX/ /;}")
+		SET (CMAKE_Fortran_COMPILER "${myFC/ /;}")
+		SET (CMAKE_AR $(type -P $(tc-getAR)) CACHE FILEPATH "Archive manager" FORCE)
+		SET (CMAKE_RANLIB $(type -P $(tc-getRANLIB)) CACHE FILEPATH "Archive index generator" FORCE)
+		SET (CMAKE_SYSTEM_PROCESSOR "${CHOST%%-*}")
+	_EOF_
+
+	# We are using the C compiler for assembly by default.
+	local -x ASMFLAGS=${CFLAGS}
+	local -x PKG_CONFIG=$(tc-getPKG_CONFIG)
+
+	if tc-is-cross-compiler; then
+		local sysname
+		case "${KERNEL:-linux}" in
+			Cygwin) sysname="CYGWIN_NT-5.1" ;;
+			HPUX) sysname="HP-UX" ;;
+			linux) sysname="Linux" ;;
+			Winnt)
+				sysname="Windows"
+				cat >> "${toolchain_file}" <<- _EOF_ || die
+					SET (CMAKE_RC_COMPILER $(tc-getRC))
+				_EOF_
+				;;
+			*) sysname="${KERNEL}" ;;
+		esac
+
+		cat >> "${toolchain_file}" <<- _EOF_ || die
+			SET (CMAKE_SYSTEM_NAME "${sysname}")
+		_EOF_
+
+		if [ "${SYSROOT:-/}" != "/" ] ; then
+			# When cross-compiling with a sysroot (e.g. with crossdev's emerge wrappers)
+			# we need to tell cmake to use libs/headers from the sysroot but programs from / only.
+			cat >> "${toolchain_file}" <<- _EOF_ || die
+				SET (CMAKE_FIND_ROOT_PATH "${SYSROOT}")
+				SET (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+				SET (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+				SET (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+			_EOF_
+		fi
+	fi
+
+	if use prefix-guest; then
+		cat >> "${build_rules}" <<- _EOF_ || die
+			# in Prefix we need rpath and must ensure cmake gets our default linker path
+			# right ... except for Darwin hosts
+			IF (NOT APPLE)
+			SET (CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
+			SET (CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH "${EPREFIX}/usr/${CHOST}/lib/gcc;${EPREFIX}/usr/${CHOST}/lib;${EPREFIX}/usr/$(get_libdir);${EPREFIX}/$(get_libdir)"
+			CACHE STRING "" FORCE)
+
+			ELSE ()
+
+			SET (CMAKE_PREFIX_PATH "${EPREFIX}/usr" CACHE STRING "" FORCE)
+			SET (CMAKE_MACOSX_RPATH ON CACHE BOOL "" FORCE)
+			SET (CMAKE_SKIP_BUILD_RPATH OFF CACHE BOOL "" FORCE)
+			SET (CMAKE_SKIP_RPATH OFF CACHE BOOL "" FORCE)
+			SET (CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE CACHE BOOL "" FORCE)
+
+			ENDIF (NOT APPLE)
+		_EOF_
+	fi
+
+	# Common configure parameters (invariants)
+	local common_config=${BUILD_DIR}/gentoo_common_config.cmake
+	local libdir=$(get_libdir)
+	cat > "${common_config}" <<- _EOF_ || die
+		SET (CMAKE_GENTOO_BUILD ON CACHE BOOL "Indicate Gentoo package build")
+		SET (LIB_SUFFIX ${libdir/lib} CACHE STRING "library path suffix" FORCE)
+		SET (CMAKE_INSTALL_LIBDIR ${libdir} CACHE PATH "Output directory for libraries")
+		SET (CMAKE_INSTALL_INFODIR "${EPREFIX}/usr/share/info" CACHE PATH "")
+		SET (CMAKE_INSTALL_MANDIR "${EPREFIX}/usr/share/man" CACHE PATH "")
+		SET (CMAKE_USER_MAKE_RULES_OVERRIDE "${build_rules}" CACHE FILEPATH "Gentoo override rules")
+		SET (CMAKE_INSTALL_DOCDIR "${EPREFIX}/usr/share/doc/${PF}" CACHE PATH "")
+		SET (BUILD_SHARED_LIBS ON CACHE BOOL "")
+	_EOF_
+	if [[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]]; then
+		echo 'SET (CMAKE_COLOR_MAKEFILE OFF CACHE BOOL "pretty colors during make" FORCE)' >> "${common_config}" || die
+	fi
+
+	# Wipe the default optimization flags out of CMake
+	if [[ ${CMAKE_BUILD_TYPE} != Gentoo ]]; then
+		cat >> ${common_config} <<- _EOF_ || die
+			SET (CMAKE_ASM_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_ASM-ATT_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_Fortran_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_MODULE_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+			SET (CMAKE_STATIC_LINKER_FLAGS_${CMAKE_BUILD_TYPE^^} "" CACHE STRING "")
+		_EOF_
+	fi
+
+	# Make the array a local variable since <=portage-2.1.6.x does not support
+	# global arrays (see bug #297255). But first make sure it is initialised.
+	[[ -z ${mycmakeargs} ]] && declare -a mycmakeargs=()
+	local mycmakeargstype=$(declare -p mycmakeargs 2>&-)
+	if [[ "${mycmakeargstype}" != "declare -a mycmakeargs="* ]]; then
+		die "mycmakeargs must be declared as array"
+	fi
+
+	local mycmakeargs_local=( "${mycmakeargs[@]}" )
+
+	local warn_unused_cli=""
+	if [[ ${CMAKE_WARN_UNUSED_CLI} == no ]] ; then
+		warn_unused_cli="--no-warn-unused-cli"
+	fi
+
+	local generator_name
+	case ${CMAKE_MAKEFILE_GENERATOR} in
+		ninja) generator_name="Ninja" ;;
+		emake) generator_name="Unix Makefiles" ;;
+	esac
+
+	# Common configure parameters (overridable)
+	# NOTE CMAKE_BUILD_TYPE can be only overridden via CMAKE_BUILD_TYPE eclass variable
+	# No -DCMAKE_BUILD_TYPE=xxx definitions will be in effect.
+	local cmakeargs=(
+		${warn_unused_cli}
+		-C "${common_config}"
+		-G "${generator_name}"
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr"
+		"${mycmakeargs_local[@]}"
+		-DCMAKE_BUILD_TYPE="${CMAKE_BUILD_TYPE}"
+		-DCMAKE_TOOLCHAIN_FILE="${toolchain_file}"
+		"${MYCMAKEARGS}"
+	)
+
+	if [[ -n "${CMAKE_EXTRA_CACHE_FILE}" ]] ; then
+		cmakeargs+=( -C "${CMAKE_EXTRA_CACHE_FILE}" )
+	fi
+
+	pushd "${BUILD_DIR}" > /dev/null || die
+	debug-print "${LINENO} ${ECLASS} ${FUNCNAME}: mycmakeargs is ${mycmakeargs_local[*]}"
+	echo "${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}"
+	"${CMAKE_BINARY}" "${cmakeargs[@]}" "${CMAKE_USE_DIR}" || die "cmake failed"
+	popd > /dev/null || die
+}
+
+# @FUNCTION: cmake_src_compile
+# @DESCRIPTION:
+# General function for compiling with cmake.
+# Automatically detects the build type. All arguments are passed to emake.
+cmake_src_compile() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	cmake_build "$@"
+}
+
+# @FUNCTION: cmake_build
+# @DESCRIPTION:
+# Function for building the package. Automatically detects the build type.
+# All arguments are passed to emake.
+cmake_build() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_cmake_check_build_dir
+	pushd "${BUILD_DIR}" > /dev/null || die
+
+	case ${CMAKE_MAKEFILE_GENERATOR} in
+		emake)
+			[[ -e Makefile ]] || die "Makefile not found. Error during configure stage."
+			case ${CMAKE_VERBOSE} in
+				OFF) emake "$@" ;;
+				*) emake VERBOSE=1 "$@" ;;
+			esac
+			;;
+		ninja)
+			[[ -e build.ninja ]] || die "build.ninja not found. Error during configure stage."
+			eninja "$@"
+			;;
+	esac
+
+	popd > /dev/null || die
+}
+
+# @FUNCTION: cmake-utils_src_make
+# @INTERNAL
+# @DESCRIPTION:
+# Banned. Use cmake_build instead.
+cmake-utils_src_make() {
+	die "cmake-utils_src_make is banned. Use cmake_build instead"
+}
+
+# @FUNCTION: cmake_src_test
+# @DESCRIPTION:
+# Function for testing the package. Automatically detects the build type.
+cmake_src_test() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_cmake_check_build_dir
+	pushd "${BUILD_DIR}" > /dev/null || die
+	[[ -e CTestTestfile.cmake ]] || { echo "No tests found. Skipping."; return 0 ; }
+
+	[[ -n ${TEST_VERBOSE} ]] && myctestargs+=( --extra-verbose --output-on-failure )
+
+	set -- ctest -j "$(makeopts_jobs)" --test-load "$(makeopts_loadavg)" "${myctestargs[@]}" "$@"
+	echo "$@" >&2
+	if "$@" ; then
+		einfo "Tests succeeded."
+		popd > /dev/null || die
+		return 0
+	else
+		if [[ -n "${CMAKE_YES_I_WANT_TO_SEE_THE_TEST_LOG}" ]] ; then
+			# on request from Diego
+			eerror "Tests failed. Test log ${BUILD_DIR}/Testing/Temporary/LastTest.log follows:"
+			eerror "--START TEST LOG--------------------------------------------------------------"
+			cat "${BUILD_DIR}/Testing/Temporary/LastTest.log"
+			eerror "--END TEST LOG----------------------------------------------------------------"
+			die "Tests failed."
+		else
+			die "Tests failed. When you file a bug, please attach the following file: \n\t${BUILD_DIR}/Testing/Temporary/LastTest.log"
+		fi
+
+		# die might not die due to nonfatal
+		popd > /dev/null || die
+		return 1
+	fi
+}
+
+# @FUNCTION: cmake_src_install
+# @DESCRIPTION:
+# Function for installing the package. Automatically detects the build type.
+cmake_src_install() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_cmake_check_build_dir
+	pushd "${BUILD_DIR}" > /dev/null || die
+	DESTDIR="${D}" ${CMAKE_MAKEFILE_GENERATOR} install "$@" ||
+		die "died running ${CMAKE_MAKEFILE_GENERATOR} install"
+	popd > /dev/null || die
+
+	pushd "${S}" > /dev/null || die
+	einstalldocs
+	popd > /dev/null || die
+}
+
+fi
diff --git a/eclass/distutils-r1.eclass b/eclass/distutils-r1.eclass
index fae25ea8a5ec..302651858352 100644
--- a/eclass/distutils-r1.eclass
+++ b/eclass/distutils-r1.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: distutils-r1.eclass
@@ -86,6 +86,8 @@ esac
 # - no -- do not add the dependency (pure distutils package)
 # - bdepend -- add it to BDEPEND (the default)
 # - rdepend -- add it to BDEPEND+RDEPEND (when using entry_points)
+# - manual -- do not add the depedency and suppress the checks
+#             (assumes you will take care of doing it correctly)
 #
 # This variable is effective only if DISTUTILS_OPTIONAL is disabled.
 # It needs to be set before the inherit line.
@@ -116,7 +118,7 @@ _distutils_set_globals() {
 	local bdep=${rdep}
 
 	case ${DISTUTILS_USE_SETUPTOOLS} in
-		no)
+		no|manual)
 			;;
 		bdepend)
 			bdep+=" dev-python/setuptools[${PYTHON_USEDEP}]"
@@ -436,6 +438,7 @@ distutils_enable_tests() {
 # incorrectly.
 _distutils_verify_use_setuptools() {
 	[[ ${DISTUTILS_OPTIONAL} ]] && return
+	[[ ${DISTUTILS_USE_SETUPTOOLS} == manual ]] && return
 
 	# ok, those are cheap greps.  we can try toimprove them if we hit
 	# false positives.
@@ -444,7 +447,7 @@ _distutils_verify_use_setuptools() {
 		# as a special case, setuptools provides itself ;-)
 		:
 	elif grep -E -q -s '(from|import)\s+setuptools' setup.py; then
-		if grep -E -q -s 'entry_points\s+=' setup.py; then
+		if grep -E -q -s 'entry_points\s*=' setup.py; then
 			expected=rdepend
 		else
 			expected=bdepend
diff --git a/eclass/dotnet.eclass b/eclass/dotnet.eclass
index 3e834835b971..55e10645deb7 100644
--- a/eclass/dotnet.eclass
+++ b/eclass/dotnet.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: dotnet.eclass
@@ -12,19 +12,21 @@
 # of dotnet packages.
 
 case ${EAPI:-0} in
-	0) die "this eclass doesn't support EAPI 0" ;;
-	1|2|3) ;;
-	*) ;; #if [[ ${USE_DOTNET} ]]; then REQUIRED_USE="|| (${USE_DOTNET})"; fi;;
+	0)
+		die "this eclass doesn't support EAPI 0" ;;
+	[1-6])
+		inherit eapi7-ver multilib
+		DEPEND="dev-lang/mono" ;;
+	*)
+		BDEPEND="dev-lang/mono" ;;
 esac
 
-inherit eutils versionator mono-env
+inherit mono-env
 
 # @ECLASS-VARIABLE: USE_DOTNET
 # @DESCRIPTION:
 # Use flags added to IUSE
 
-DEPEND+=" dev-lang/mono"
-
 # SET default use flags according on DOTNET_TARGETS
 for x in ${USE_DOTNET}; do
 	case ${x} in
@@ -51,7 +53,7 @@ dotnet_pkg_setup() {
 				FRAMEWORK="${F}";
 			fi
 		else
-			version_is_at_least "${F}" "${FRAMEWORK}" || FRAMEWORK="${F}"
+			ver_test "${F}" -le "${FRAMEWORK}" || FRAMEWORK="${F}"
 		fi
 	done
 	if [[ -z ${FRAMEWORK} ]]; then
diff --git a/eclass/ecm.eclass b/eclass/ecm.eclass
index 1616df9aab57..2892b0e0e942 100644
--- a/eclass/ecm.eclass
+++ b/eclass/ecm.eclass
@@ -13,7 +13,7 @@
 # upstream release groups (Frameworks, Plasma, Applications) but also for any
 # other package that follows similar conventions.
 #
-# This eclass unconditionally inherits cmake-utils.eclass and all its public
+# This eclass unconditionally inherits cmake.eclass and all its public
 # variables and helper functions (not phase functions) may be considered as part
 # of this eclass's API.
 #
@@ -49,7 +49,7 @@ if [[ ${CATEGORY} = kde-frameworks ]] ; then
 fi
 : ${ECM_NONGUI:=false}
 
-inherit cmake-utils flag-o-matic toolchain-funcs virtualx
+inherit cmake flag-o-matic toolchain-funcs virtualx
 
 if [[ ${ECM_NONGUI} = false ]] ; then
 	inherit xdg
@@ -74,7 +74,7 @@ EXPORT_FUNCTIONS pkg_setup src_prepare src_configure src_test pkg_preinst pkg_po
 
 # @ECLASS-VARIABLE: ECM_DEBUG
 # @DESCRIPTION:
-# Add "debug" to IUSE. If !debug, add -DNDEBUG (via cmake-utils_src_configure)
+# Add "debug" to IUSE. If !debug, add -DNDEBUG (via cmake_src_configure)
 # and -DQT_NO_DEBUG to CPPFLAGS. If set to "false", do nothing.
 : ${ECM_DEBUG:=true}
 
@@ -310,6 +310,24 @@ DEPEND+=" ${COMMONDEPEND}"
 RDEPEND+=" ${COMMONDEPEND}"
 unset COMMONDEPEND
 
+# @FUNCTION: _ecm_banned_var
+# @INTERNAL
+# @DESCRIPTION:
+# Banned kde5*.eclass variables are banned.
+_ecm_banned_var() {
+	die "$1 is banned. use $2 instead."
+}
+
+if [[ -z ${_KDE5_ECLASS} ]] ; then
+	[[ -n ${KDE_DEBUG} ]] && _ecm_banned_var KDE_DEBUG ECM_DEBUG
+	[[ -n ${KDE_EXAMPLES} ]] && _ecm_banned_var KDE_EXAMPLES ECM_EXAMPLES
+	[[ -n ${KDE_HANDBOOK} ]] && _ecm_banned_var KDE_HANDBOOK ECM_HANDBOOK
+	[[ -n ${KDE_DOC_DIR} ]] && _ecm_banned_var KDE_DOC_DIR ECM_HANDBOOK_DIR
+	[[ -n ${KDE_PO_DIRS} ]] && _ecm_banned_var KDE_PO_DIRS ECM_PO_DIRS
+	[[ -n ${KDE_QTHELP} ]] && _ecm_banned_var KDE_QTHELP ECM_QTHELP
+	[[ -n ${KDE_TEST} ]] && _ecm_banned_var KDE_TEST ECM_TEST
+fi
+
 # @ECLASS-VARIABLE: KDE_GCC_MINIMAL
 # @DEFAULT_UNSET
 # @DESCRIPTION:
@@ -418,12 +436,12 @@ ecm_pkg_setup() {
 
 # @FUNCTION: ecm_src_prepare
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_prepare with lots of extra logic for magic
+# Wrapper for cmake_src_prepare with lots of extra logic for magic
 # handling of linguas, tests, handbook etc.
 ecm_src_prepare() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	cmake-utils_src_prepare
+	cmake_src_prepare
 
 	# only build examples when required
 	if ! { in_iuse examples && use examples; } ; then
@@ -499,12 +517,12 @@ ecm_src_prepare() {
 
 # @FUNCTION: ecm_src_configure
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_configure with extra logic for magic handling of
+# Wrapper for cmake_src_configure with extra logic for magic handling of
 # handbook, tests etc.
 ecm_src_configure() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	# we rely on cmake-utils.eclass to append -DNDEBUG too
+	# we rely on cmake.eclass to append -DNDEBUG too
 	if in_iuse debug && ! use debug; then
 		append-cppflags -DQT_NO_DEBUG
 	fi
@@ -548,22 +566,22 @@ ecm_src_configure() {
 	# allow the ebuild to override what we set here
 	mycmakeargs=("${cmakeargs[@]}" "${mycmakeargs[@]}")
 
-	cmake-utils_src_configure
+	cmake_src_configure
 }
 
 # @FUNCTION: ecm_src_compile
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_compile. Currently doesn't do anything extra, but
+# Wrapper for cmake_src_compile. Currently doesn't do anything extra, but
 # is included as part of the API just in case it's needed in the future.
 ecm_src_compile() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	cmake-utils_src_compile "$@"
+	cmake_src_compile "$@"
 }
 
 # @FUNCTION: ecm_src_test
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_test with extra logic for magic handling of dbus
+# Wrapper for cmake_src_test with extra logic for magic handling of dbus
 # and virtualx.
 ecm_src_test() {
 	debug-print-function ${FUNCNAME} "$@"
@@ -573,7 +591,7 @@ ecm_src_test() {
 			export $(dbus-launch)
 		fi
 
-		cmake-utils_src_test
+		cmake_src_test
 	}
 
 	# When run as normal user during ebuild development with the ebuild command,
@@ -595,12 +613,12 @@ ecm_src_test() {
 
 # @FUNCTION: ecm_src_install
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_install. Currently doesn't do anything extra, but
+# Wrapper for cmake_src_install. Currently doesn't do anything extra, but
 # is included as part of the API just in case it's needed in the future.
 ecm_src_install() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	cmake-utils_src_install
+	cmake_src_install
 }
 
 # @FUNCTION: ecm_pkg_preinst
diff --git a/eclass/elisp-common.eclass b/eclass/elisp-common.eclass
index 05b03f493957..b5ea21cb22bf 100644
--- a/eclass/elisp-common.eclass
+++ b/eclass/elisp-common.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: elisp-common.eclass
@@ -23,26 +23,25 @@
 # When relying on the emacs USE flag, you need to add
 #
 # @CODE
-# 	emacs? ( virtual/emacs )
+# 	emacs? ( >=app-editors/emacs-23.1:* )
 # @CODE
 #
 # to your DEPEND/RDEPEND line and use the functions provided here to
 # bring the files to the correct locations.
 #
-# If your package requires a minimum Emacs version, e.g. Emacs 24, then
-# the dependency should be on >=virtual/emacs-24 instead.  Because the
-# user can select the Emacs executable with eselect, you should also
-# make sure that the active Emacs version is sufficient.  This can be
-# tested with function elisp-need-emacs(), which would typically be
-# called from pkg_setup(), as in the following example:
+# If your package requires a minimum Emacs version, e.g. Emacs 26.1,
+# then the dependency should be on >=app-editors/emacs-26.1:* instead.
+# Because the user can select the Emacs executable with eselect, you
+# should also make sure that the active Emacs version is sufficient.
+# The eclass will automatically ensure this if you assign variable
+# NEED_EMACS with the Emacs version, as in the following example:
 #
 # @CODE
-# 	elisp-need-emacs 24 || die "Emacs version too low"
+# 	NEED_EMACS=26.1
 # @CODE
 #
-# Please note that such tests should be limited to packages that are
-# known to fail with lower Emacs versions; the standard case is to
-# depend on virtual/emacs without version.
+# Please note that this should be done only for packages that are known
+# to fail with lower Emacs versions.
 #
 # @ROFF .SS
 # src_compile() usage:
@@ -134,6 +133,23 @@
 # the differing name as second argument.
 #
 # @ROFF .SS
+# pkg_setup() usage:
+#
+# If your ebuild uses the elisp-compile eclass function to compile
+# its elisp files (see above), then you don't need a pkg_setup phase,
+# because elisp-compile and elisp-make-autoload-file do their own sanity
+# checks.  On the other hand, if the elisp files are compiled by the
+# package's build system, then there is often no check for the Emacs
+# version.  In this case, you can add an explicit check in pkg_setup:
+#
+# @CODE
+# 	elisp-check-emacs-version
+# @CODE
+#
+# When having optional Emacs support, you should prepend "use emacs &&"
+# to above call of elisp-check-emacs-version().
+#
+# @ROFF .SS
 # pkg_postinst() / pkg_postrm() usage:
 #
 # After that you need to recreate the start-up file of Emacs after
@@ -149,12 +165,14 @@
 # 	}
 # @CODE
 #
-# When having optional Emacs support, you should prepend "use emacs &&"
+# Again, with optional Emacs support, you should prepend "use emacs &&"
 # to above calls of elisp-site-regen().
-# Don't use "has_version virtual/emacs"!  When unmerging the state of
-# the emacs USE flag is taken from the package database and not from the
-# environment, so it is no problem when you unset USE=emacs between
-# merge and unmerge of a package.
+
+case ${EAPI:-0} in
+	4|5|6) inherit eapi7-ver ;;
+	7) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
+esac
 
 # @ECLASS-VARIABLE: SITELISP
 # @DESCRIPTION:
@@ -182,6 +200,17 @@ EMACSFLAGS="-batch -q --no-site-file"
 # Emacs flags used for byte-compilation in elisp-compile().
 BYTECOMPFLAGS="-L ."
 
+# @ECLASS-VARIABLE: NEED_EMACS
+# @DESCRIPTION:
+# The minimum Emacs version required for the package.
+: ${NEED_EMACS:=23.1}
+
+# @ECLASS-VARIABLE: _ELISP_EMACS_VERSION
+# @INTERNAL
+# @DESCRIPTION:
+# Cached value of Emacs version detected in elisp-check-emacs-version().
+_ELISP_EMACS_VERSION=""
+
 # @FUNCTION: elisp-emacs-version
 # @RETURN: exit status of Emacs
 # @DESCRIPTION:
@@ -212,12 +241,39 @@ elisp-emacs-version() {
 	echo "${version}"
 }
 
-# @FUNCTION: elisp-need-emacs
-# @USAGE: <version>
-# @RETURN: 0 if true, 1 if false, 2 if trouble
+# @FUNCTION: elisp-check-emacs-version
+# @USAGE: [version]
 # @DESCRIPTION:
+# Test if the eselected Emacs version is at least the version of
+# GNU Emacs specified in the NEED_EMACS variable, or die otherwise.
+
+elisp-check-emacs-version() {
+	if [[ -z ${_ELISP_EMACS_VERSION} ]]; then
+		local have_emacs
+		have_emacs=$(elisp-emacs-version) \
+			|| die "Could not determine Emacs version"
+		einfo "Emacs version: ${have_emacs}"
+		if [[ ${have_emacs} =~ XEmacs|Lucid ]]; then
+			die "XEmacs detected. This package needs GNU Emacs."
+		fi
+		# GNU Emacs versions have only numeric components.
+		if ! [[ ${have_emacs} =~ ^[0-9]+(\.[0-9]+)*$ ]]; then
+			die "Malformed version string: ${have_emacs}"
+		fi
+		_ELISP_EMACS_VERSION=${have_emacs}
+	fi
+
+	if ! ver_test "${_ELISP_EMACS_VERSION}" -ge "${NEED_EMACS}"; then
+		eerror "This package needs at least Emacs ${NEED_EMACS}."
+		eerror "Use \"eselect emacs\" to select the active version."
+		die "Emacs version too low"
+	fi
+}
+
 # Test if the eselected Emacs version is at least the major version
 # of GNU Emacs specified as argument.
+# Return 0 if true, 1 if false, 2 if trouble.
+# Deprecated, use elisp-check-emacs-version instead.
 
 elisp-need-emacs() {
 	local need_emacs=$1 have_emacs
@@ -249,6 +305,8 @@ elisp-need-emacs() {
 # in case they require or load one another.
 
 elisp-compile() {
+	elisp-check-emacs-version
+
 	ebegin "Compiling GNU Emacs Elisp files"
 	${EMACS} ${EMACSFLAGS} ${BYTECOMPFLAGS} -f batch-byte-compile "$@"
 	eend $? "elisp-compile: batch-byte-compile failed" || die
@@ -262,6 +320,8 @@ elisp-compile() {
 elisp-make-autoload-file() {
 	local f="${1:-${PN}-autoloads.el}" null="" page=$'\f'
 	shift
+	elisp-check-emacs-version
+
 	ebegin "Generating autoload file for GNU Emacs"
 
 	cat >"${f}" <<-EOF
@@ -397,7 +457,7 @@ elisp-site-regen() {
 		# was actually no change.
 		# A case is a remerge where we have doubled output.
 		rm -f "${T}"/site-gentoo.el
-		eend
+		eend 0
 		einfo "... no changes."
 	else
 		mv "${T}"/site-gentoo.el "${sitelisp}"/site-gentoo.el
diff --git a/eclass/elisp.eclass b/eclass/elisp.eclass
index bcd80a9ee9ca..a411f602cf7c 100644
--- a/eclass/elisp.eclass
+++ b/eclass/elisp.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 2002-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: elisp.eclass
@@ -30,8 +30,8 @@
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # If you need anything different from Emacs 23, use the NEED_EMACS
-# variable before inheriting elisp.eclass.  Set it to the major version
-# your package uses and the dependency will be adjusted.
+# variable before inheriting elisp.eclass.  Set it to the version your
+# package uses and the dependency will be adjusted.
 
 # @ECLASS-VARIABLE: ELISP_PATCHES
 # @DEFAULT_UNSET
@@ -70,24 +70,20 @@ esac
 EXPORT_FUNCTIONS src_{unpack,prepare,configure,compile,install} \
 	pkg_{setup,postinst,postrm}
 
-RDEPEND=">=virtual/emacs-${NEED_EMACS:-23}"
+RDEPEND=">=app-editors/emacs-${NEED_EMACS}:*"
 case ${EAPI} in
-	4|5|6) DEPEND="${RDEPEND}" ;;
+	4) RDEPEND="${RDEPEND%:*}"; DEPEND="${RDEPEND}" ;;
+	5|6) DEPEND="${RDEPEND}" ;;
 	*) BDEPEND="${RDEPEND}" ;;
 esac
 
 # @FUNCTION: elisp_pkg_setup
 # @DESCRIPTION:
-# Test if the eselected Emacs version is sufficient to fulfil the major
+# Test if the eselected Emacs version is sufficient to fulfil the
 # version requirement of the NEED_EMACS variable.
 
 elisp_pkg_setup() {
-	elisp-need-emacs "${NEED_EMACS:-23}"
-	case $? in
-		0) ;;
-		1) die "Emacs version too low" ;;
-		*) die "Could not determine Emacs version" ;;
-	esac
+	elisp-check-emacs-version
 }
 
 # @FUNCTION: elisp_src_unpack
diff --git a/eclass/flag-o-matic.eclass b/eclass/flag-o-matic.eclass
index f882b09d6219..0aec22c83f2c 100644
--- a/eclass/flag-o-matic.eclass
+++ b/eclass/flag-o-matic.eclass
@@ -441,29 +441,63 @@ test-flag-PROG() {
 	# 'type' needs a binary name
 	type -p ${comp[0]} >/dev/null || return 1
 
+	# Set up test file.
+	local in_src in_ext cmdline_extra=()
+	case "${lang}" in
+		# compiler/assembler only
+		c)
+			in_ext='.c'
+			in_src='int main(void) { return 0; }'
+			cmdline_extra+=(-xc -c)
+			;;
+		c++)
+			in_ext='.cc'
+			in_src='int main(void) { return 0; }'
+			cmdline_extra+=(-xc++ -c)
+			;;
+		f77)
+			in_ext='.f'
+			# fixed source form
+			in_src='      end'
+			cmdline_extra+=(-xf77 -c)
+			;;
+		f95)
+			in_ext='.f90'
+			in_src='end'
+			cmdline_extra+=(-xf95 -c)
+			;;
+
+		# C compiler/assembler/linker
+		c+ld)
+			in_ext='.c'
+			in_src='int main(void) { return 0; }'
+			cmdline_extra+=(-xc)
+			;;
+	esac
+	local test_in=${T}/test-flag-${comp}.${lang}
+	local test_out=${T}/test-flag-${comp}.exe
+
+	printf "%s\n" "${in_src}" > "${test_in}" || return 1
+
 	local cmdline=(
 		"${comp[@]}"
 		# Clang will warn about unknown gcc flags but exit 0.
 		# Need -Werror to force it to exit non-zero.
 		-Werror
-		# Use -c so we can test the assembler as well.
-		-c -o /dev/null
+		"$@"
+		# -x<lang> options need to go before first source file
+		"${cmdline_extra[@]}"
+
+		"${test_in}" -o "${test_out}"
 	)
-	if "${cmdline[@]}" -x${lang} - </dev/null &>/dev/null ; then
-		cmdline+=( "$@" -x${lang} - )
-	else
-		# XXX: what's the purpose of this? does it even work with
-		# any compiler?
-		cmdline+=( "$@" -c -o /dev/null /dev/null )
-	fi
 
-	if ! "${cmdline[@]}" </dev/null &>/dev/null; then
+	if ! "${cmdline[@]}" &>/dev/null; then
 		# -Werror makes clang bail out on unused arguments as well;
 		# try to add -Qunused-arguments to work-around that
 		# other compilers don't support it but then, it's failure like
 		# any other
 		cmdline+=( -Qunused-arguments )
-		"${cmdline[@]}" </dev/null &>/dev/null
+		"${cmdline[@]}" &>/dev/null
 	fi
 }
 
@@ -491,6 +525,12 @@ test-flag-F77() { test-flag-PROG "F77" f77 "$@"; }
 # Returns shell true if <flag> is supported by the Fortran 90 compiler, else returns shell false.
 test-flag-FC() { test-flag-PROG "FC" f95 "$@"; }
 
+# @FUNCTION: test-flag-CCLD
+# @USAGE: <flag>
+# @DESCRIPTION:
+# Returns shell true if <flag> is supported by the C compiler and linker, else returns shell false.
+test-flag-CCLD() { test-flag-PROG "CC" c+ld "$@"; }
+
 test-flags-PROG() {
 	local comp=$1
 	local flags=()
@@ -548,6 +588,12 @@ test-flags-F77() { test-flags-PROG "F77" "$@"; }
 # Returns shell true if <flags> are supported by the Fortran 90 compiler, else returns shell false.
 test-flags-FC() { test-flags-PROG "FC" "$@"; }
 
+# @FUNCTION: test-flags-CCLD
+# @USAGE: <flags>
+# @DESCRIPTION:
+# Returns shell true if <flags> are supported by the C compiler and default linker, else returns shell false.
+test-flags-CCLD() { test-flags-PROG "CCLD" "$@"; }
+
 # @FUNCTION: test-flags
 # @USAGE: <flags>
 # @DESCRIPTION:
@@ -576,9 +622,7 @@ strip-unsupported-flags() {
 	export CXXFLAGS=$(test-flags-CXX ${CXXFLAGS})
 	export FFLAGS=$(test-flags-F77 ${FFLAGS})
 	export FCFLAGS=$(test-flags-FC ${FCFLAGS})
-	# note: this does not verify the linker flags but it is enough
-	# to strip invalid C flags which are much more likely, #621274
-	export LDFLAGS=$(test-flags-CC ${LDFLAGS})
+	export LDFLAGS=$(test-flags-CCLD ${LDFLAGS})
 }
 
 # @FUNCTION: get-flag
diff --git a/eclass/fortran-2.eclass b/eclass/fortran-2.eclass
index b871d16e3e05..229689babf56 100644
--- a/eclass/fortran-2.eclass
+++ b/eclass/fortran-2.eclass
@@ -91,7 +91,6 @@ unset _f_use
 # @DESCRIPTION:
 # Return the Fortran compiler flag to enable 64 bit integers for
 # array indices
-# @CODE
 fortran_int64_abi_fflags() {
 	debug-print-function ${FUNCNAME} "${@}"
 
diff --git a/eclass/fox.eclass b/eclass/fox.eclass
index 529f5a258953..b40f8273d15c 100644
--- a/eclass/fox.eclass
+++ b/eclass/fox.eclass
@@ -1,6 +1,9 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+# @DEAD
+# All consumers were last rited.  Removal in 30 days.
+
 # @ECLASS: fox.eclass
 # @MAINTAINER:
 # maintainer-needed@gentoo.org
@@ -27,7 +30,7 @@
 #
 # EAPI phase trickery borrowed from enlightenment.eclass
 
-inherit autotools versionator
+inherit autotools versionator desktop
 
 
 FOX_EXPF="src_unpack src_compile src_install pkg_postinst"
diff --git a/eclass/git-2.eclass b/eclass/git-2.eclass
index 917163291e63..ecc260d0e9b2 100644
--- a/eclass/git-2.eclass
+++ b/eclass/git-2.eclass
@@ -1,6 +1,9 @@
 # Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# @DEAD
+# All consumers were last rited.  Removal in 14 days.
+
 # @ECLASS: git-2.eclass
 # @MAINTAINER:
 # maintainer-needed@gentoo.org
diff --git a/eclass/git-r3.eclass b/eclass/git-r3.eclass
index e0d2bbb5edc0..663fd939b295 100644
--- a/eclass/git-r3.eclass
+++ b/eclass/git-r3.eclass
@@ -227,19 +227,19 @@ _git-r3_env_setup() {
 			;;
 		single)
 			if [[ ${EGIT_CLONE_TYPE} == shallow ]]; then
-				einfo "git-r3: ebuild needs to be cloned in '\e[1msingle\e[22m' mode, adjusting"
+				einfo "git-r3: ebuild needs to be cloned in 'single' mode, adjusting"
 				EGIT_CLONE_TYPE=single
 			fi
 			;;
 		single+tags)
 			if [[ ${EGIT_CLONE_TYPE} == shallow || ${EGIT_CLONE_TYPE} == single ]]; then
-				einfo "git-r3: ebuild needs to be cloned in '\e[1msingle+tags\e[22m' mode, adjusting"
+				einfo "git-r3: ebuild needs to be cloned in 'single+tags' mode, adjusting"
 				EGIT_CLONE_TYPE=single+tags
 			fi
 			;;
 		mirror)
 			if [[ ${EGIT_CLONE_TYPE} != mirror ]]; then
-				einfo "git-r3: ebuild needs to be cloned in '\e[1mmirror\e[22m' mode, adjusting"
+				einfo "git-r3: ebuild needs to be cloned in 'mirror' mode, adjusting"
 				EGIT_CLONE_TYPE=mirror
 			fi
 			;;
@@ -401,16 +401,22 @@ _git-r3_set_gitdir() {
 }
 
 # @FUNCTION: _git-r3_set_submodules
-# @USAGE: <file-contents>
+# @USAGE: <parent-path> <file-contents>
 # @INTERNAL
 # @DESCRIPTION:
 # Parse .gitmodules contents passed as <file-contents>
 # as in "$(cat .gitmodules)"). Composes a 'submodules' array that
 # contains in order (name, URL, path) for each submodule.
+#
+# <parent-path> specifies path to current submodule (empty if top repo),
+# and is used to support recursively specifying submodules.  The path
+# must include a trailing slash if it's not empty.
 _git-r3_set_submodules() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	local data=${1}
+	local parent_path=${1}
+	local data=${2}
+	[[ -z ${parent_path} || ${parent_path} == */ ]] || die
 
 	# ( name url path ... )
 	submodules=()
@@ -435,12 +441,14 @@ _git-r3_set_submodules() {
 					l_res=1
 				fi
 
-				[[ ${subname} == ${p} ]] && res=${l_res}
+				[[ ${parent_path}${subname} == ${p} ]] && res=${l_res}
 			done
 
 			if [[ ! ${res} ]]; then
-				einfo "Skipping submodule \e[1m${subname}\e[22m"
+				einfo "Skipping submodule ${parent_path}${subname}"
 				continue
+			else
+				einfo "Using submodule ${parent_path}${subname}"
 			fi
 		fi
 
@@ -546,7 +554,7 @@ _git-r3_is_local_repo() {
 # This default should be fine unless you are fetching multiple trees
 # from the same repository in the same ebuild.
 #
-# <commit-id> requests attempting to use repository state as of specific
+# <commit-date> requests attempting to use repository state as of specific
 # date. For more details, see EGIT_COMMIT_DATE.
 #
 # The fetch operation will affect the EGIT_STORE only. It will not touch
@@ -658,7 +666,7 @@ git-r3_fetch() {
 	fi
 	for r in "${repos[@]}"; do
 		if [[ ! ${EVCS_OFFLINE} ]]; then
-			einfo "Fetching \e[1m${r}\e[22m ..."
+			einfo "Fetching ${r} ..."
 
 			local fetch_command=( git fetch "${r}" )
 			local clone_type=${EGIT_CLONE_TYPE}
@@ -817,7 +825,7 @@ git-r3_fetch() {
 	# recursively fetch submodules
 	if git cat-file -e "${local_ref}":.gitmodules &>/dev/null; then
 		local submodules
-		_git-r3_set_submodules \
+		_git-r3_set_submodules "${_GIT_SUBMODULE_PATH}" \
 			"$(git cat-file -p "${local_ref}":.gitmodules || die)"
 
 		while [[ ${submodules[@]} ]]; do
@@ -839,7 +847,9 @@ git-r3_fetch() {
 				local subrepos
 				_git-r3_set_subrepos "${url}" "${repos[@]}"
 
-				git-r3_fetch "${subrepos[*]}" "${commit}" "${local_id}/${subname}"
+				_GIT_SUBMODULE_PATH=${_GIT_SUBMODULE_PATH}${path}/ \
+				git-r3_fetch "${subrepos[*]}" "${commit}" \
+					"${local_id}/${subname}" ""
 			fi
 
 			submodules=( "${submodules[@]:3}" ) # shift
@@ -892,7 +902,7 @@ git-r3_checkout() {
 	local -x GIT_DIR
 	_git-r3_set_gitdir "${repos[0]}"
 
-	einfo "Checking out \e[1m${repos[0]}\e[22m to \e[1m${out_dir}\e[22m ..."
+	einfo "Checking out ${repos[0]} to ${out_dir} ..."
 
 	if ! git cat-file -e refs/git-r3/"${local_id}"/__main__; then
 		die "Logic error: no local clone of ${repos[0]}. git-r3_fetch not used?"
@@ -975,7 +985,7 @@ git-r3_checkout() {
 	# recursively checkout submodules
 	if [[ -f ${out_dir}/.gitmodules && ! ${checkout_paths} ]]; then
 		local submodules
-		_git-r3_set_submodules \
+		_git-r3_set_submodules "${_GIT_SUBMODULE_PATH}" \
 			"$(<"${out_dir}"/.gitmodules)"
 
 		while [[ ${submodules[@]} ]]; do
@@ -989,6 +999,7 @@ git-r3_checkout() {
 				local subrepos
 				_git-r3_set_subrepos "${url}" "${repos[@]}"
 
+				_GIT_SUBMODULE_PATH=${_GIT_SUBMODULE_PATH}${path}/ \
 				git-r3_checkout "${subrepos[*]}" "${out_dir}/${path}" \
 					"${local_id}/${subname}"
 			fi
@@ -1042,7 +1053,7 @@ git-r3_peek_remote_ref() {
 
 	local r success
 	for r in "${repos[@]}"; do
-		einfo "Peeking \e[1m${remote_ref}\e[22m on \e[1m${r}\e[22m ..." >&2
+		einfo "Peeking ${remote_ref} on ${r} ..." >&2
 
 		local lookup_ref
 		if [[ ${remote_ref} == refs/* || ${remote_ref} == HEAD ]]
@@ -1098,9 +1109,9 @@ git-r3_pkg_needrebuild() {
 	[[ ${new_commit_id} && ${EGIT_VERSION} ]] || die "Lookup failed"
 
 	if [[ ${EGIT_VERSION} != ${new_commit_id} ]]; then
-		einfo "Update from \e[1m${EGIT_VERSION}\e[22m to \e[1m${new_commit_id}\e[22m"
+		einfo "Update from ${EGIT_VERSION} to ${new_commit_id}"
 	else
-		einfo "Local and remote at \e[1m${EGIT_VERSION}\e[22m"
+		einfo "Local and remote at ${EGIT_VERSION}"
 	fi
 
 	[[ ${EGIT_VERSION} != ${new_commit_id} ]]
diff --git a/eclass/go-module.eclass b/eclass/go-module.eclass
index 9c11959fdf84..89b32ed1201b 100644
--- a/eclass/go-module.eclass
+++ b/eclass/go-module.eclass
@@ -59,6 +59,10 @@ BDEPEND=">=dev-lang/go-1.12"
 # this will become the default in the future.
 export GO111MODULE=on
 
+# Set the default for the go build cache
+# See "go help environment" for information on this setting
+export GOCACHE="${T}/go-build"
+
 # The following go flags should be used for all builds.
 # -mod=vendor stopps downloading of dependencies from the internet.
 # -v prints the names of packages as they are compiled
diff --git a/eclass/kde5-functions.eclass b/eclass/kde5-functions.eclass
index 7bf5a9caa33f..bbb8d6d90f25 100644
--- a/eclass/kde5-functions.eclass
+++ b/eclass/kde5-functions.eclass
@@ -15,23 +15,11 @@
 if [[ -z ${_KDE5_FUNCTIONS_ECLASS} ]]; then
 _KDE5_FUNCTIONS_ECLASS=1
 
-inherit toolchain-funcs
-
 case ${EAPI} in
 	7) ;;
 	*) die "EAPI=${EAPI:-0} is not supported" ;;
 esac
 
-# @ECLASS-VARIABLE: KDE_BUILD_TYPE
-# @DESCRIPTION:
-# If PV matches "*9999*", this is automatically set to "live".
-# Otherwise, this is automatically set to "release".
-KDE_BUILD_TYPE="release"
-if [[ ${PV} = *9999* ]]; then
-	KDE_BUILD_TYPE="live"
-fi
-export KDE_BUILD_TYPE
-
 # @ECLASS-VARIABLE: QT_MINIMAL
 # @DESCRIPTION:
 # Minimum version of Qt to require. This affects add_qt_dep.
@@ -52,40 +40,6 @@ export KDE_BUILD_TYPE
 # Minimum version of KDE Applications to require. This affects add_kdeapps_dep.
 : ${KDE_APPS_MINIMAL:=19.04.3}
 
-# @ECLASS-VARIABLE: KDE_GCC_MINIMAL
-# @DEFAULT_UNSET
-# @DESCRIPTION:
-# Minimum version of active GCC to require. This is checked in kde5.eclass in
-# kde5_pkg_pretend and kde5_pkg_setup.
-
-# @FUNCTION: _check_gcc_version
-# @INTERNAL
-# @DESCRIPTION:
-# Determine if the current GCC version is acceptable, otherwise die.
-_check_gcc_version() {
-	if [[ ${MERGE_TYPE} != binary && -v KDE_GCC_MINIMAL ]] && tc-is-gcc; then
-
-		local version=$(gcc-version)
-		local major=${version%.*}
-		local minor=${version#*.}
-		local min_major=${KDE_GCC_MINIMAL%.*}
-		local min_minor=${KDE_GCC_MINIMAL#*.}
-
-		debug-print "GCC version check activated"
-		debug-print "Version detected:"
-		debug-print "	- Full: ${version}"
-		debug-print "	- Major: ${major}"
-		debug-print "	- Minor: ${minor}"
-		debug-print "Version required:"
-		debug-print "	- Major: ${min_major}"
-		debug-print "	- Minor: ${min_minor}"
-
-		[[ ${major} -lt ${min_major} ]] || \
-				( [[ ${major} -eq ${min_major} && ${minor} -lt ${min_minor} ]] ) \
-			&& die "Sorry, but gcc-${KDE_GCC_MINIMAL} or later is required for this package (found ${version})."
-	fi
-}
-
 # @FUNCTION: _add_category_dep
 # @INTERNAL
 # @DESCRIPTION:
diff --git a/eclass/kde5.eclass b/eclass/kde5.eclass
index ef45ba420d73..884d4b4a47d5 100644
--- a/eclass/kde5.eclass
+++ b/eclass/kde5.eclass
@@ -9,15 +9,16 @@
 # @DESCRIPTION:
 # This eclass is *deprecated*. Please read the PORTING notes for switching to
 # ecm.eclass in case the package is using extra-cmake-modules, otherwise just
-# use cmake-utils.eclass instead. For projects hosted on kde.org infrastructure,
+# use cmake.eclass instead. For projects hosted on kde.org infrastructure,
 # inherit kde.org.eclass to fetch and unpack sources independent of the build
 # system being used.
 #
 # This eclass unconditionally inherits kde5-functions.eclass and all its public
 # functions and variables may be considered as part of this eclass's API.
 #
-# This eclass unconditionally inherits kde.org.eclass and cmake-utils.eclass
-# and all their public variables and helper functions (not phase functions) may
+# This eclass unconditionally inherits kde.org.eclass and either ecm.eclass if
+# KDE_AUTODEPS=true (default) or cmake.eclass if KDE_AUTODEPS=false.
+# All their public variables and helper functions (not phase functions) may
 # be considered as part of this eclass's API.
 #
 # This eclass's phase functions are not intended to be mixed and matched, so if
@@ -32,27 +33,7 @@ if [[ -z ${KDE_ORG_NAME} ]]; then
 	KDE_ORG_NAME=${KMNAME:=$PN}
 fi
 
-# @ECLASS-VARIABLE: VIRTUALX_REQUIRED
-# @DESCRIPTION:
-# For proper description see virtualx.eclass manpage.
-# Here we redefine default value to be manual, if your package needs virtualx
-# for tests you should proceed with setting VIRTUALX_REQUIRED=test.
-: ${VIRTUALX_REQUIRED:=manual}
-
-inherit cmake-utils flag-o-matic kde.org kde5-functions virtualx xdg
-
-if [[ -v KDE_GCC_MINIMAL ]]; then
-	EXPORT_FUNCTIONS pkg_pretend
-fi
-
-EXPORT_FUNCTIONS pkg_setup src_prepare src_configure src_compile src_test src_install pkg_preinst pkg_postinst pkg_postrm
-
-# @ECLASS-VARIABLE: ECM_KDEINSTALLDIRS
-# @DESCRIPTION:
-# If set to "false", do nothing.
-# For any other value, assume the package is using KDEInstallDirs macro and switch
-# KDE_INSTALL_USE_QT_SYS_PATHS to ON.
-: ${ECM_KDEINSTALLDIRS:=true}
+inherit flag-o-matic kde.org kde5-functions xdg
 
 # @ECLASS-VARIABLE: KDE_AUTODEPS
 # @DESCRIPTION:
@@ -65,7 +46,7 @@ EXPORT_FUNCTIONS pkg_setup src_prepare src_configure src_compile src_test src_in
 
 # @ECLASS-VARIABLE: KDE_DEBUG
 # @DESCRIPTION:
-# If set to "false", add -DNDEBUG (via cmake-utils_src_configure) and -DQT_NO_DEBUG
+# If set to "false", add -DNDEBUG (via cmake_src_configure) and -DQT_NO_DEBUG
 # to CPPFLAGS.
 # Otherwise, add debug to IUSE.
 # PORTING: ECM_DEBUG in ecm.eclass
@@ -173,75 +154,95 @@ case ${KDE_SUBSLOT} in
 esac
 
 case ${KDE_AUTODEPS} in
-	false)	;;
-	*)
-		BDEPEND+=" $(add_frameworks_dep extra-cmake-modules)"
-		RDEPEND+=" >=kde-frameworks/kf-env-4"
-		COMMONDEPEND+=" $(add_qt_dep qtcore)"
+	false)
+		inherit cmake
+		# @ECLASS-VARIABLE: ECM_KDEINSTALLDIRS
+		# @DESCRIPTION:
+		# If set to "false", do nothing.
+		# For any other value, assume the package is using KDEInstallDirs macro and switch
+		# KDE_INSTALL_USE_QT_SYS_PATHS to ON.
+		: ${ECM_KDEINSTALLDIRS:=true}
+
+		case ${KDE_DEBUG} in
+			false)	;;
+			*)
+				IUSE+=" debug"
+				;;
+		esac
 
+		case ${KDE_TEST} in
+			false)	;;
+			*)
+				IUSE+=" test"
+				DEPEND+=" test? ( dev-qt/qttest:5 )"
+				;;
+		esac
+		;;
+	*)
 		# all packages need breeze/oxygen icons for basic iconset, bug #564838
 		if [[ ${PN} != breeze-icons && ${PN} != oxygen-icons ]]; then
-			RDEPEND+=" || ( $(add_frameworks_dep breeze-icons) kde-frameworks/oxygen-icons:* )"
+			ECM_NONGUI=false
 		fi
-		;;
-esac
-
-case ${KDE_DEBUG} in
-	false)	;;
-	*)
-		IUSE+=" debug"
-		;;
-esac
-
-case ${KDE_DESIGNERPLUGIN} in
-	false)  ;;
-	*)
-		IUSE+=" designer"
-		if [[ ${CATEGORY} = kde-apps && ${PV} = 19.0[48]* ]]; then
-			BDEPEND+=" designer? ( $(add_frameworks_dep kdesignerplugin) )"
-		else
-			BDEPEND+=" designer? ( $(add_qt_dep designer) )"
+		# propagate deprecated variables to ecm.eclass
+		if [[ -z ${ECM_DESIGNERPLUGIN} && ${CATEGORY} != kde-apps ]]; then
+			ECM_DESIGNERPLUGIN=${KDE_DESIGNERPLUGIN}
+			KDE_DESIGNERPLUGIN=false # use fallback var only for kde-apps
 		fi
-esac
-
-case ${KDE_EXAMPLES} in
-	false)  ;;
-	*)
-		IUSE+=" examples"
+		[[ -z ${ECM_DEBUG} ]] && ECM_DEBUG=${KDE_DEBUG}
+		[[ -z ${ECM_EXAMPLES} ]] && ECM_EXAMPLES=${KDE_EXAMPLES}
+		[[ -z ${ECM_HANDBOOK} ]] && ECM_HANDBOOK=${KDE_HANDBOOK}
+		[[ -z ${ECM_HANDBOOK_DIR} ]] && ECM_HANDBOOK_DIR=${KDE_DOC_DIR}
+		[[ -z ${ECM_PO_DIRS} ]] && ECM_PO_DIRS=${KDE_PO_DIRS}
+		[[ -z ${ECM_QTHELP} ]] && ECM_QTHELP=${KDE_QTHELP}
+		[[ -z ${ECM_TEST} ]] && ECM_TEST=${KDE_TEST}
+		[[ -z ${KFMIN} ]] && KFMIN=${FRAMEWORKS_MINIMAL}
+		inherit ecm
 		;;
 esac
 
-case ${KDE_HANDBOOK} in
-	false)	;;
-	*)
-		IUSE+=" +handbook"
-		BDEPEND+=" handbook? ( $(add_frameworks_dep kdoctools) )"
-		;;
-esac
+EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_configure src_compile src_test src_install pkg_preinst pkg_postinst pkg_postrm
 
-case ${KDE_QTHELP} in
-	false)	;;
-	*)
-		IUSE+=" doc"
-		COMMONDEPEND+=" doc? ( $(add_qt_dep qt-docs) )"
-		BDEPEND+=" doc? (
-			$(add_qt_dep qthelp)
-			>=app-doc/doxygen-1.8.13-r1
-		)"
-		;;
-esac
+# @FUNCTION: _kde5_strip_handbook_translations
+# @INTERNAL
+# @DESCRIPTION:
+# If LINGUAS is defined, enable only the requested translations when required.
+_kde5_strip_handbook_translations() {
+	if ! [[ -v LINGUAS ]]; then
+		return
+	fi
 
-case ${KDE_TEST} in
-	false)	;;
-	*)
-		IUSE+=" test"
-		DEPEND+=" test? ( $(add_qt_dep qttest) )"
-		;;
-esac
+	local lang po
+	for po in ${ECM_PO_DIRS}; do
+		if [[ -d ${po} ]] ; then
+			pushd ${po} > /dev/null || die
+			local lang
+			for lang in *; do
+				if [[ -e ${lang} ]] && ! has ${lang/.po/} ${LINGUAS} ; then
+					case ${lang} in
+						cmake_modules | \
+						CMakeLists.txt | \
+						${PN}.pot)	;;
+						*) rm -r ${lang} || die	;;
+					esac
+					if [[ -e CMakeLists.txt ]] ; then
+						cmake_comment_add_subdirectory ${lang}
+						sed -e "/add_subdirectory([[:space:]]*${lang}\/.*[[:space:]]*)/d" \
+							-i CMakeLists.txt || die
+					fi
+				fi
+			done
+			popd > /dev/null || die
+		fi
+	done
+}
 
-DEPEND+=" ${COMMONDEPEND}"
-RDEPEND+=" ${COMMONDEPEND}"
-unset COMMONDEPEND
+# @FUNCTION: cmake_use_find_package
+# @USAGE: <USE flag> <package name>
+# @DESCRIPTION:
+# Compatibility alias for cmake.eclass -> cmake.eclass
+cmake-utils_use_find_package() {
+	cmake_use_find_package "$@" ;
+}
 
 # @FUNCTION: kde5_pkg_pretend
 # @DESCRIPTION:
@@ -249,7 +250,10 @@ unset COMMONDEPEND
 # phase function is only exported if KDE_GCC_MINIMAL is defined.
 kde5_pkg_pretend() {
 	debug-print-function ${FUNCNAME} "$@"
-	_check_gcc_version
+	case ${KDE_AUTODEPS} in
+		false) ;;
+		*) ecm_pkg_pretend ;;
+	esac
 }
 
 # @FUNCTION: kde5_pkg_setup
@@ -257,7 +261,10 @@ kde5_pkg_pretend() {
 # Checks if the active compiler meets the minimum version requirements.
 kde5_pkg_setup() {
 	debug-print-function ${FUNCNAME} "$@"
-	_check_gcc_version
+	case ${KDE_AUTODEPS} in
+		false) ;;
+		*) ecm_pkg_setup ;;
+	esac
 }
 
 # @FUNCTION: kde5_src_unpack
@@ -270,67 +277,33 @@ kde5_src_unpack() {
 
 # @FUNCTION: kde5_src_prepare
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_prepare with lots of extra logic for magic
+# Wrapper for cmake_src_prepare with lots of extra logic for magic
 # handling of linguas, tests, handbook etc.
 kde5_src_prepare() {
 	debug-print-function ${FUNCNAME} "$@"
+	case ${KDE_AUTODEPS} in
+		false)
+			cmake_src_prepare
 
-	cmake-utils_src_prepare
-
-	# only build examples when required
-	if ! { in_iuse examples && use examples; } ; then
-		cmake_comment_add_subdirectory examples
-	fi
-
-	# only enable handbook when required
-	if in_iuse handbook && ! use handbook ; then
-		cmake_comment_add_subdirectory ${KDE_DOC_DIR}
-
-		if [[ ${KDE_HANDBOOK} = forceoptional ]] ; then
-			punt_bogus_dep KF5 DocTools
-			sed -i -e "/kdoctools_install/ s/^/#DONT/" CMakeLists.txt || die
-		fi
-	fi
-
-	# drop translations when nls is not wanted
-	if in_iuse nls && ! use nls ; then
-		local po
-		for po in ${KDE_PO_DIRS}; do
-			if [[ -d ${po} ]] ; then
-				rm -r ${po} || die
-			fi
-		done
-	fi
+			_kde5_strip_handbook_translations
 
-	# enable only the requested translations when required
-	# always install unconditionally for kconfigwidgets - if you use language
-	# X as system language, and there is a combobox with language names, the
-	# translated language name for language Y is taken from /usr/share/locale/Y/kf5_entry.desktop
-	if [[ -v LINGUAS && ${PN} != kconfigwidgets ]] ; then
-		local po
-		for po in ${KDE_PO_DIRS}; do
-		if [[ -d ${po} ]] ; then
-			pushd ${po} > /dev/null || die
-			local lang
-			for lang in *; do
-				if [[ -e ${lang} ]] && ! has ${lang/.po/} ${LINGUAS} ; then
-					case ${lang} in
-						cmake_modules | \
-						CMakeLists.txt | \
-						${PN}.pot)	;;
-						*) rm -r ${lang} || die	;;
-					esac
-					if [[ -e CMakeLists.txt ]] ; then
-						cmake_comment_add_subdirectory ${lang}
-						sed -e "/add_subdirectory([[:space:]]*${lang}\/.*[[:space:]]*)/d" \
-							-i CMakeLists.txt || die
-					fi
+			# only build unit tests when required
+			if ! { in_iuse test && use test; } ; then
+				if [[ ${KDE_TEST} = forceoptional ]] ; then
+					punt_bogus_dep Qt5 Test
+					# if forceoptional, also cover non-kde categories
+					cmake_comment_add_subdirectory autotests test tests
+				elif [[ ${CATEGORY} = kde-frameworks || ${CATEGORY} = kde-plasma || ${CATEGORY} = kde-apps ]] ; then
+					cmake_comment_add_subdirectory autotests test tests
 				fi
-			done
-			popd > /dev/null || die
-		fi
-		done
-	fi
+			fi
+			# in frameworks, tests = manual tests so never build them
+			if [[ ${CATEGORY} = kde-frameworks ]] && [[ ${PN} != extra-cmake-modules ]]; then
+				cmake_comment_add_subdirectory tests
+			fi
+			;;
+		*) ecm_src_prepare ;;
+	esac
 
 	# PORTING: bogus, overzealous 'en' docbook disabling is not carried over
 	if [[ ${KDE_BUILD_TYPE} = release && ${CATEGORY} != kde-apps ]] ; then
@@ -345,146 +318,81 @@ kde5_src_prepare() {
 			popd > /dev/null || die
 		fi
 	fi
-
-	# only build unit tests when required
-	if ! { in_iuse test && use test; } ; then
-		if [[ ${KDE_TEST} = forceoptional ]] ; then
-			punt_bogus_dep Qt5 Test
-			# if forceoptional, also cover non-kde categories
-			cmake_comment_add_subdirectory autotests test tests
-		elif [[ ${KDE_TEST} = forceoptional-recursive ]] ; then
-			punt_bogus_dep Qt5 Test
-			local f pf="${T}/${P}"-tests-optional.patch
-			touch ${pf} || die "Failed to touch patch file"
-			for f in $(find . -type f -name "CMakeLists.txt" -exec \
-				grep -l "^\s*add_subdirectory\s*\(\s*.*\(auto|unit\)\?tests\?\s*)\s*\)" {} \;); do
-				cp ${f} ${f}.old || die "Failed to prepare patch origfile"
-				pushd ${f%/*} > /dev/null || die
-					punt_bogus_dep Qt5 Test
-					sed -i CMakeLists.txt -e \
-						"/^#/! s/add_subdirectory\s*\(\s*.*\(auto|unit\)\?tests\?\s*)\s*\)/if(BUILD_TESTING)\n&\nendif()/" \
-						|| die
-				popd > /dev/null || die
-				diff -Naur ${f}.old ${f} 1>>${pf}
-				rm ${f}.old || die "Failed to clean up"
-			done
-			einfo "Build system was modified by KDE_TEST=forceoptional-recursive."
-			einfo "Unified diff file ready for pickup in:"
-			einfo "  ${pf}"
-			einfo "Push it upstream to make this message go away."
-		elif [[ ${CATEGORY} = kde-frameworks || ${CATEGORY} = kde-plasma || ${CATEGORY} = kde-apps ]] ; then
-			cmake_comment_add_subdirectory autotests test tests
-		fi
-	fi
-
-	# in frameworks, tests = manual tests so never build them
-	if [[ ${CATEGORY} = kde-frameworks ]] && [[ ${PN} != extra-cmake-modules ]]; then
-		cmake_comment_add_subdirectory tests
-	fi
 }
 
 # @FUNCTION: kde5_src_configure
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_configure with extra logic for magic handling of
+# Wrapper for cmake_src_configure with extra logic for magic handling of
 # handbook, tests etc.
 kde5_src_configure() {
 	debug-print-function ${FUNCNAME} "$@"
+	case ${KDE_AUTODEPS} in
+		false)
+			# we rely on cmake.eclass to append -DNDEBUG too
+			if in_iuse debug && ! use debug; then
+				append-cppflags -DQT_NO_DEBUG
+			fi
 
-	# we rely on cmake-utils.eclass to append -DNDEBUG too
-	if in_iuse debug && ! use debug; then
-		append-cppflags -DQT_NO_DEBUG
-	fi
-
-	local cmakeargs
-
-	if in_iuse test && ! use test ; then
-		cmakeargs+=( -DBUILD_TESTING=OFF )
-
-		if [[ ${KDE_TEST} = optional ]] ; then
-			cmakeargs+=( -DCMAKE_DISABLE_FIND_PACKAGE_Qt5Test=ON )
-		fi
-	fi
-
-	if in_iuse handbook && ! use handbook && [[ ${KDE_HANDBOOK} = optional ]] ; then
-		cmakeargs+=( -DCMAKE_DISABLE_FIND_PACKAGE_KF5DocTools=ON )
-	fi
-
-	if in_iuse designer && [[ ${KDE_DESIGNERPLUGIN} != false ]] ; then
-		if [[ ${CATEGORY} = kde-frameworks ]]; then
-			cmakeargs+=( -DBUILD_DESIGNERPLUGIN=$(usex designer) )
-		else
-			cmakeargs+=( $(cmake-utils_use_find_package designer KF5DesignerPlugin) )
-		fi
-	fi
+			local cmakeargs
 
-	if [[ ${KDE_QTHELP} != false ]]; then
-		cmakeargs+=( -DBUILD_QCH=$(usex doc) )
-	fi
+			if in_iuse test && ! use test ; then
+				cmakeargs+=( -DBUILD_TESTING=OFF )
 
-	if [[ ${ECM_KDEINSTALLDIRS} != false ]] ; then
-		cmakeargs+=(
-			# install mkspecs in the same directory as qt stuff
-			-DKDE_INSTALL_USE_QT_SYS_PATHS=ON
-			# move handbook outside of doc dir, bug 667138
-			-DKDE_INSTALL_DOCBUNDLEDIR="${EPREFIX}/usr/share/help"
-		)
-	fi
+				if [[ ${KDE_TEST} = optional ]] ; then
+					cmakeargs+=( -DCMAKE_DISABLE_FIND_PACKAGE_Qt5Test=ON )
+				fi
+			fi
+			if [[ ${ECM_KDEINSTALLDIRS} != false ]] ; then
+				cmakeargs+=(
+					# install mkspecs in the same directory as qt stuff
+					-DKDE_INSTALL_USE_QT_SYS_PATHS=ON
+					# move handbook outside of doc dir, bug 667138
+					-DKDE_INSTALL_DOCBUNDLEDIR="${EPREFIX}/usr/share/help"
+				)
+			fi
 
-	# allow the ebuild to override what we set here
-	mycmakeargs=("${cmakeargs[@]}" "${mycmakeargs[@]}")
+			# allow the ebuild to override what we set here
+			mycmakeargs=("${cmakeargs[@]}" "${mycmakeargs[@]}")
 
-	cmake-utils_src_configure
+			cmake_src_configure
+			;;
+		*) ecm_src_configure ;;
+	esac
 }
 
 # @FUNCTION: kde5_src_compile
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_compile. Currently doesn't do anything extra, but
+# Wrapper for cmake_src_compile. Currently doesn't do anything extra, but
 # is included as part of the API just in case it's needed in the future.
 kde5_src_compile() {
 	debug-print-function ${FUNCNAME} "$@"
-
-	cmake-utils_src_compile "$@"
+	case ${KDE_AUTODEPS} in
+		false) cmake_src_compile ;;
+		*) ecm_src_compile ;;
+	esac
 }
 
 # @FUNCTION: kde5_src_test
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_test with extra logic for magic handling of dbus
+# Wrapper for cmake_src_test with extra logic for magic handling of dbus
 # and virtualx.
 kde5_src_test() {
 	debug-print-function ${FUNCNAME} "$@"
-
-	_test_runner() {
-		if [[ -n "${VIRTUALDBUS_TEST}" ]]; then
-			export $(dbus-launch)
-		fi
-
-		cmake-utils_src_test
-	}
-
-	# When run as normal user during ebuild development with the ebuild command, the
-	# kde tests tend to access the session DBUS. This however is not possible in a real
-	# emerge or on the tinderbox.
-	# > make sure it does not happen, so bad tests can be recognized and disabled
-	unset DBUS_SESSION_BUS_ADDRESS DBUS_SESSION_BUS_PID
-
-	if [[ ${VIRTUALX_REQUIRED} = always || ${VIRTUALX_REQUIRED} = test ]]; then
-		virtx _test_runner
-	else
-		_test_runner
-	fi
-
-	if [[ -n "${DBUS_SESSION_BUS_PID}" ]] ; then
-		kill ${DBUS_SESSION_BUS_PID}
-	fi
+	case ${KDE_AUTODEPS} in
+		false) cmake_src_test ;;
+		*) ecm_src_test ;;
+	esac
 }
 
 # @FUNCTION: kde5_src_install
 # @DESCRIPTION:
-# Wrapper for cmake-utils_src_install. Currently doesn't do anything extra.
+# Wrapper for cmake_src_install. Currently doesn't do anything extra.
 kde5_src_install() {
 	debug-print-function ${FUNCNAME} "$@"
-
-	cmake-utils_src_install
+	case ${KDE_AUTODEPS} in
+		false) cmake_src_install ;;
+		*) ecm_src_install ;;
+	esac
 }
 
 # @FUNCTION: kde5_pkg_preinst
@@ -492,8 +400,10 @@ kde5_src_install() {
 # Sets up environment variables required in kde5_pkg_postinst.
 kde5_pkg_preinst() {
 	debug-print-function ${FUNCNAME} "$@"
-
-	xdg_pkg_preinst
+	case ${KDE_AUTODEPS} in
+		false) xdg_pkg_preinst ;;
+		*) ecm_pkg_preinst ;;
+	esac
 }
 
 # @FUNCTION: kde5_pkg_postinst
@@ -501,17 +411,10 @@ kde5_pkg_preinst() {
 # Updates the various XDG caches (icon, desktop, mime) if necessary.
 kde5_pkg_postinst() {
 	debug-print-function ${FUNCNAME} "$@"
-
-	xdg_pkg_postinst
-
-	if [[ -z ${I_KNOW_WHAT_I_AM_DOING} ]]; then
-		if [[ ${KDE_BUILD_TYPE} = live ]]; then
-			echo
-			einfo "WARNING! This is an experimental live ebuild of ${CATEGORY}/${PN}"
-			einfo "Use it at your own risk."
-			einfo "Do _NOT_ file bugs at bugs.gentoo.org because of this ebuild!"
-		fi
-	fi
+	case ${KDE_AUTODEPS} in
+		false) xdg_pkg_postinst ;;
+		*) ecm_pkg_postinst ;;
+	esac
 }
 
 # @FUNCTION: kde5_pkg_postrm
@@ -519,8 +422,10 @@ kde5_pkg_postinst() {
 # Updates the various XDG caches (icon, desktop, mime) if necessary.
 kde5_pkg_postrm() {
 	debug-print-function ${FUNCNAME} "$@"
-
-	xdg_pkg_postrm
+	case ${KDE_AUTODEPS} in
+		false) xdg_pkg_postrm ;;
+		*) ecm_pkg_postrm ;;
+	esac
 }
 
 fi
diff --git a/eclass/kernel-build.eclass b/eclass/kernel-build.eclass
new file mode 100644
index 000000000000..028f0da8148e
--- /dev/null
+++ b/eclass/kernel-build.eclass
@@ -0,0 +1,175 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: kernel-build.eclass
+# @MAINTAINER:
+# Distribution Kernel Project <dist-kernel@gentoo.org>
+# @AUTHOR:
+# Michał Górny <mgorny@gentoo.org>
+# @SUPPORTED_EAPIS: 7
+# @BLURB: Build mechanics for Distribution Kernels
+# @DESCRIPTION:
+# This eclass provides the logic to build a Distribution Kernel from
+# source and install it.  Post-install and test logic is inherited
+# from kernel-install.eclass.
+#
+# The ebuild must take care of unpacking the kernel sources, copying
+# an appropriate .config into them (e.g. in src_prepare()) and setting
+# correct S.  The eclass takes care of respecting savedconfig, building
+# the kernel and installing it along with its modules and subset
+# of sources needed to build external modules.
+
+if [[ ! ${_KERNEL_BUILD_ECLASS} ]]; then
+
+case "${EAPI:-0}" in
+	0|1|2|3|4|5|6)
+		die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}"
+		;;
+	7)
+		;;
+	*)
+		die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}"
+		;;
+esac
+
+inherit savedconfig toolchain-funcs kernel-install
+
+BDEPEND="
+	sys-devel/bc
+	virtual/libelf"
+
+# @FUNCTION: kernel-build_src_configure
+# @DESCRIPTION:
+# Prepare the toolchain for building the kernel, get the default .config
+# or restore savedconfig, and get build tree configured for modprep.
+kernel-build_src_configure() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	# force ld.bfd if we can find it easily
+	local LD="$(tc-getLD)"
+	if type -P "${LD}.bfd" &>/dev/null; then
+		LD+=.bfd
+	fi
+
+	tc-export_build_env
+	MAKEARGS=(
+		V=1
+
+		HOSTCC="$(tc-getBUILD_CC)"
+		HOSTCXX="$(tc-getBUILD_CXX)"
+		HOSTCFLAGS="${BUILD_CFLAGS}"
+		HOSTLDFLAGS="${BUILD_LDFLAGS}"
+
+		CROSS_COMPILE=${CHOST}-
+		AS="$(tc-getAS)"
+		CC="$(tc-getCC)"
+		LD="${LD}"
+		AR="$(tc-getAR)"
+		NM="$(tc-getNM)"
+		STRIP=":"
+		OBJCOPY="$(tc-getOBJCOPY)"
+		OBJDUMP="$(tc-getOBJDUMP)"
+
+		# we need to pass it to override colliding Gentoo envvar
+		ARCH=$(tc-arch-kernel)
+	)
+
+	[[ -f .config ]] || die "Ebuild error: please copy default config into .config"
+	restore_config .config
+
+	mkdir -p "${WORKDIR}"/modprep || die
+	mv .config "${WORKDIR}"/modprep/ || die
+	emake O="${WORKDIR}"/modprep "${MAKEARGS[@]}" olddefconfig
+	emake O="${WORKDIR}"/modprep "${MAKEARGS[@]}" modules_prepare
+	cp -pR "${WORKDIR}"/modprep "${WORKDIR}"/build || die
+}
+
+# @FUNCTION: kernel-build_src_compile
+# @DESCRIPTION:
+# Compile the kernel sources.
+kernel-build_src_compile() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	emake O="${WORKDIR}"/build "${MAKEARGS[@]}" all
+}
+
+# @FUNCTION: kernel-build_src_test
+# @DESCRIPTION:
+# Test the built kernel via qemu.  This just wraps the logic
+# from kernel-install.eclass with the correct paths.
+kernel-build_src_test() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	emake O="${WORKDIR}"/build "${MAKEARGS[@]}" \
+		INSTALL_MOD_PATH="${T}" modules_install
+
+	kernel-install_test "${PV}" \
+		"${WORKDIR}/build/$(kernel-install_get_image_path)" \
+		"${T}/lib/modules/${PV}"
+}
+
+# @FUNCTION: kernel-build_src_install
+# @DESCRIPTION:
+# Install the built kernel along with subset of sources
+# into /usr/src/linux-${PV}.  Install the modules.  Save the config.
+kernel-build_src_install() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	# do not use 'make install' as it behaves differently based
+	# on what kind of installkernel is installed
+	emake O="${WORKDIR}"/build "${MAKEARGS[@]}" \
+		INSTALL_MOD_PATH="${ED}" modules_install
+
+	# note: we're using mv rather than doins to save space and time
+	# install main and arch-specific headers first, and scripts
+	local kern_arch=$(tc-arch-kernel)
+	dodir "/usr/src/linux-${PV}/arch/${kern_arch}"
+	mv include scripts "${ED}/usr/src/linux-${PV}/" || die
+	mv "arch/${kern_arch}/include" \
+		"${ED}/usr/src/linux-${PV}/arch/${kern_arch}/" || die
+
+	# remove everything but Makefile* and Kconfig*
+	find -type f '!' '(' -name 'Makefile*' -o -name 'Kconfig*' ')' \
+		-delete || die
+	find -type l -delete || die
+	cp -p -R * "${ED}/usr/src/linux-${PV}/" || die
+
+	cd "${WORKDIR}" || die
+	# strip out-of-source build stuffs from modprep
+	# and then copy built files as well
+	find modprep -type f '(' \
+			-name Makefile -o \
+			-name '*.[ao]' -o \
+			'(' -name '.*' -a -not -name '.config' ')' \
+		')' -delete || die
+	rm modprep/source || die
+	cp -p -R modprep/. "${ED}/usr/src/linux-${PV}"/ || die
+
+	# install the kernel and files needed for module builds
+	insinto "/usr/src/linux-${PV}"
+	doins build/{System.map,Module.symvers}
+	local image_path=$(kernel-install_get_image_path)
+	cp -p "build/${image_path}" "${ED}/usr/src/linux-${PV}/${image_path}" || die
+
+	# strip empty directories
+	find "${D}" -type d -empty -exec rmdir {} + || die
+
+	# fix source tree and build dir symlinks
+	dosym ../../../usr/src/linux-${PV} /lib/modules/${PV}/build
+	dosym ../../../usr/src/linux-${PV} /lib/modules/${PV}/source
+
+	save_config build/.config
+}
+
+# @FUNCTION: kernel-build_pkg_postinst
+# @DESCRIPTION:
+# Combine postinst from kernel-install and savedconfig eclasses.
+kernel-build_pkg_postinst() {
+	kernel-install_pkg_postinst
+	savedconfig_pkg_postinst
+}
+
+_KERNEL_BUILD_ECLASS=1
+fi
+
+EXPORT_FUNCTIONS src_configure src_compile src_test src_install pkg_postinst
diff --git a/eclass/kernel-install.eclass b/eclass/kernel-install.eclass
new file mode 100644
index 000000000000..7e64f44c8c33
--- /dev/null
+++ b/eclass/kernel-install.eclass
@@ -0,0 +1,311 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: kernel-install.eclass
+# @MAINTAINER:
+# Distribution Kernel Project <dist-kernel@gentoo.org>
+# @AUTHOR:
+# Michał Górny <mgorny@gentoo.org>
+# @SUPPORTED_EAPIS: 7
+# @BLURB: Installation mechanics for Distribution Kernels
+# @DESCRIPTION:
+# This eclass provides the logic needed to test and install different
+# kinds of Distribution Kernel packages, including both kernels built
+# from source and distributed as binaries.  The eclass relies on the
+# ebuild installing a subset of built kernel tree into
+# /usr/src/linux-${PV} containing the kernel image in its standard
+# location and System.map.
+#
+# The eclass exports src_test, pkg_postinst and pkg_postrm.
+# Additionally, the inherited mount-boot eclass exports pkg_pretend.
+# It also stubs out pkg_preinst and pkg_prerm defined by mount-boot.
+
+if [[ ! ${_KERNEL_INSTALL_ECLASS} ]]; then
+
+case "${EAPI:-0}" in
+	0|1|2|3|4|5|6)
+		die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}"
+		;;
+	7)
+		;;
+	*)
+		die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}"
+		;;
+esac
+
+inherit mount-boot
+
+TCL_VER=10.1
+SRC_URI+="
+	test? (
+		amd64? (
+			https://dev.gentoo.org/~mgorny/dist/tinycorelinux-${TCL_VER}-amd64.qcow2
+		)
+		x86? (
+				https://dev.gentoo.org/~mgorny/dist/tinycorelinux-${TCL_VER}-x86.qcow2
+		)
+	)"
+
+SLOT="${PV}"
+IUSE="+initramfs test"
+RESTRICT+=" !test? ( test ) test? ( userpriv )"
+
+# install-DEPEND actually
+# note: we need installkernel with initramfs support!
+RDEPEND="
+	|| (
+		sys-kernel/installkernel-gentoo
+		sys-kernel/installkernel-systemd-boot
+	)
+	initramfs? ( >=sys-kernel/dracut-049-r3 )"
+BDEPEND="
+	test? (
+		dev-tcltk/expect
+		sys-kernel/dracut
+		amd64? ( app-emulation/qemu[qemu_softmmu_targets_x86_64] )
+		x86? ( app-emulation/qemu[qemu_softmmu_targets_i386] )
+	)"
+
+# @FUNCTION: kernel-install_build_initramfs
+# @USAGE: <output> <version>
+# @DESCRIPTION:
+# Build an initramfs for the kernel.  <output> specifies the absolute
+# path where initramfs will be created, while <version> specifies
+# the kernel version, used to find modules.
+kernel-install_build_initramfs() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -eq 2 ]] || die "${FUNCNAME}: invalid arguments"
+	local output=${1}
+	local version=${2}
+
+	ebegin "Building initramfs via dracut"
+	dracut --force "${output}" "${version}"
+	eend ${?} || die "Building initramfs failed"
+}
+
+# @FUNCTION: kernel-install_get_image_path
+# @DESCRIPTION:
+# Get relative kernel image path specific to the current ${ARCH}.
+kernel-install_get_image_path() {
+	case ${ARCH} in
+		amd64|x86)
+			echo arch/x86/boot/bzImage
+			;;
+		*)
+			die "${FUNCNAME}: unsupported ARCH=${ARCH}"
+			;;
+	esac
+}
+
+# @FUNCTION: kernel-install_install_kernel
+# @USAGE: <version> <image> <system.map>
+# @DESCRIPTION:
+# Install kernel using installkernel tool.  <version> specifies
+# the kernel version, <image> full path to the image, <system.map>
+# full path to System.map.
+kernel-install_install_kernel() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -eq 3 ]] || die "${FUNCNAME}: invalid arguments"
+	local version=${1}
+	local image=${2}
+	local map=${3}
+
+	ebegin "Installing the kernel via installkernel"
+	# note: .config is taken relatively to System.map;
+	# initrd relatively to bzImage
+	installkernel "${version}" "${image}" "${map}"
+	eend ${?} || die "Installing the kernel failed"
+}
+
+# @FUNCTION: kernel-install_update_symlink
+# @USAGE: <target> <version>
+# @DESCRIPTION:
+# Update the kernel source symlink at <target> (full path) with a link
+# to <target>-<version> if it's either missing or pointing out to
+# an older version of this package.
+kernel-install_update_symlink() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -eq 2 ]] || die "${FUNCNAME}: invalid arguments"
+	local target=${1}
+	local version=${2}
+
+	if [[ ! -e ${target} ]]; then
+		ebegin "Creating ${target} symlink"
+		ln -f -n -s "${target##*/}-${version}" "${target}"
+		eend ${?}
+	else
+		local symlink_target=$(readlink "${target}")
+		local symlink_ver=${symlink_target#${target##*/}-}
+		if [[ ${symlink_target} == ${target##*/}-* && \
+				-z ${symlink_ver//[0-9.]/} ]]
+		then
+			local symlink_pkg=${CATEGORY}/${PN}-${symlink_ver}
+			# if the current target is either being replaced, or still
+			# installed (probably depclean candidate), update the symlink
+			if has "${symlink_ver}" ${REPLACING_VERSIONS} ||
+					has_version -r "~${symlink_pkg}"
+			then
+				ebegin "Updating ${target} symlink"
+				ln -f -n -s "${target##*/}-${version}" "${target}"
+				eend ${?}
+			fi
+		fi
+	fi
+}
+
+# @FUNCTION: kernel-install_get_qemu_arch
+# @DESCRIPTION:
+# Get appropriate qemu suffix for the current ${ARCH}.
+kernel-install_get_qemu_arch() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	case ${ARCH} in
+		amd64)
+			echo x86_64
+			;;
+		x86)
+			echo i386
+			;;
+		*)
+			die "${FUNCNAME}: unsupported ARCH=${ARCH}"
+			;;
+	esac
+}
+
+# @FUNCTION: kernel-install_test
+# @USAGE: <version> <image> <modules>
+# @DESCRIPTION:
+# Test that the kernel can successfully boot a minimal system image
+# in qemu.  <version> is the kernel version, <image> path to the image,
+# <modules> path to module tree.
+kernel-install_test() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -eq 3 ]] || die "${FUNCNAME}: invalid arguments"
+	local version=${1}
+	local image=${2}
+	local modules=${3}
+
+	local qemu_arch=$(kernel-install_get_qemu_arch)
+
+	dracut \
+		--conf /dev/null \
+		--confdir /dev/null \
+		--no-hostonly \
+		--kmoddir "${modules}" \
+		"${T}/initrd" "${version}" || die
+	# get a read-write copy of the disk image
+	cp "${DISTDIR}/tinycorelinux-${TCL_VER}-${ARCH}.qcow2" \
+		"${T}/fs.qcow2" || die
+
+	cd "${T}" || die
+	cat > run.sh <<-EOF || die
+		#!/bin/sh
+		exec qemu-system-${qemu_arch} \
+			-m 256M \
+			-display none \
+			-no-reboot \
+			-kernel '${image}' \
+			-initrd '${T}/initrd' \
+			-serial mon:stdio \
+			-hda '${T}/fs.qcow2' \
+			-append 'root=/dev/sda console=ttyS0,115200n8'
+	EOF
+	chmod +x run.sh || die
+	# TODO: initramfs does not let core finish starting on some systems,
+	# figure out how to make it better at that
+	expect - <<-EOF || die "Booting kernel failed"
+		set timeout 900
+		spawn ./run.sh
+		expect {
+			"Kernel panic" {
+				send_error "\n* Kernel panic"
+				exit 1
+			}
+			"Entering emergency mode" {
+				send_error "\n* Initramfs failed to start the system"
+				exit 1
+			}
+			"Core 10.1" {
+				send_error "\n* Booted successfully"
+				exit 0
+			}
+			timeout {
+				send_error "\n* Kernel boot timed out"
+				exit 2
+			}
+		}
+	EOF
+}
+
+# @FUNCTION: kernel-install_src_test
+# @DESCRIPTION:
+# Boilerplate function to remind people to call the tests.
+kernel-install_src_test() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	die "Please redefine src_test() and call kernel-install_test()."
+}
+
+# @FUNCTION: kernel-install_pkg_preinst
+# @DESCRIPTION:
+# Stub out mount-boot.eclass.
+kernel-install_pkg_preinst() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	# (no-op)
+}
+
+# @FUNCTION: kernel-install_pkg_postinst
+# @DESCRIPTION:
+# Build an initramfs for the kernel, install it and update
+# the /usr/src/linux symlink.
+kernel-install_pkg_postinst() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	if [[ -z ${ROOT} ]]; then
+		mount-boot_pkg_preinst
+
+		local image_path=$(kernel-install_get_image_path)
+		if use initramfs; then
+			# putting it alongside kernel image as 'initrd' makes
+			# kernel-install happier
+			kernel-install_build_initramfs \
+				"${EROOT}/usr/src/linux-${PV}/${image_path%/*}/initrd" \
+				"${PV}"
+		fi
+
+		kernel-install_install_kernel "${PV}" \
+			"${EROOT}/usr/src/linux-${PV}/${image_path}" \
+			"${EROOT}/usr/src/linux-${PV}/System.map"
+	fi
+
+	kernel-install_update_symlink "${EROOT}/usr/src/linux" "${PV}"
+}
+
+# @FUNCTION: kernel-install_pkg_prerm
+# @DESCRIPTION:
+# Stub out mount-boot.eclass.
+kernel-install_pkg_prerm() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	# (no-op)
+}
+
+# @FUNCTION: kernel-install_pkg_postrm
+# @DESCRIPTION:
+# No-op at the moment.  Will be used to remove obsolete kernels
+# in the future.
+kernel-install_pkg_postrm() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	# (no-op at the moment)
+}
+
+_KERNEL_INSTALL_ECLASS=1
+fi
+
+EXPORT_FUNCTIONS src_test pkg_preinst pkg_postinst pkg_prerm pkg_postrm
diff --git a/eclass/kodi-addon.eclass b/eclass/kodi-addon.eclass
index e924dbdd6972..914ee3e9f750 100644
--- a/eclass/kodi-addon.eclass
+++ b/eclass/kodi-addon.eclass
@@ -9,13 +9,12 @@
 # @DESCRIPTION:
 # Provides a src_configure function for correct CMake configuration
 
-inherit cmake-utils
-
 case "${EAPI:-0}" in
 	4|5|6)
-		inherit multilib
+		inherit cmake-utils multilib
 		;;
 	7)
+		inherit cmake
 		;;
 	*) die "EAPI=${EAPI} is not supported" ;;
 esac
@@ -31,5 +30,8 @@ kodi-addon_src_configure() {
 		-DCMAKE_INSTALL_LIBDIR=${EPREFIX%/}/usr/$(get_libdir)/kodi
 	)
 
-	cmake-utils_src_configure
+	case ${EAPI} in
+		4|5|6) cmake-utils_src_configure ;;
+		7) cmake_src_configure ;;
+	esac
 }
diff --git a/eclass/llvm.org.eclass b/eclass/llvm.org.eclass
index f07441e863c3..d9ea22ab2aca 100644
--- a/eclass/llvm.org.eclass
+++ b/eclass/llvm.org.eclass
@@ -126,7 +126,7 @@ llvm.org_set_globals() {
 	elif [[ ${_LLVM_SOURCE_TYPE} == tar ]]; then
 		if ver_test -ge 9.0.1_rc1; then
 			# 9.0.1 RCs as GitHub archive
-			SRC_URI="
+			SRC_URI+="
 				https://github.com/llvm/llvm-project/archive/llvmorg-${PV/_/-}.tar.gz"
 		else
 			local a archives=()
@@ -198,7 +198,7 @@ llvm.org_src_unpack() {
 			tar -x -z -o --strip-components 1 \
 				-f "${DISTDIR}/${archive}" \
 				"${components[@]/#/llvm-project-${archive%.tar*}/}" || die
-			eend
+			eend ${?}
 		else
 			local c archives
 			# TODO: optimize this
@@ -212,7 +212,7 @@ llvm.org_src_unpack() {
 				mkdir -p "${top_dir}" || die
 				tar -C "${top_dir}" -x -J -o --strip-components 1 \
 					-f "${DISTDIR}/${archives[0]}" "${sub_path}" || die
-				eend
+				eend ${?}
 			done
 		fi
 	fi
diff --git a/eclass/meson.eclass b/eclass/meson.eclass
index fa859ace996f..e642ac49af9b 100644
--- a/eclass/meson.eclass
+++ b/eclass/meson.eclass
@@ -50,8 +50,8 @@ EXPORT_FUNCTIONS src_configure src_compile src_test src_install
 if [[ -z ${_MESON_ECLASS} ]]; then
 _MESON_ECLASS=1
 
-MESON_DEPEND=">=dev-util/meson-0.48.2
-	>=dev-util/ninja-1.7.2"
+MESON_DEPEND=">=dev-util/meson-0.51.2
+	>=dev-util/ninja-1.8.2"
 
 if [[ ${EAPI:-0} == [6] ]]; then
 	DEPEND=${MESON_DEPEND}
diff --git a/eclass/mozconfig-v6.52.eclass b/eclass/mozconfig-v6.52.eclass
index c0b4b47155e7..698b8b24b24f 100644
--- a/eclass/mozconfig-v6.52.eclass
+++ b/eclass/mozconfig-v6.52.eclass
@@ -126,7 +126,7 @@ RDEPEND=">=app-text/hunspell-1.2:=
 	x11-libs/libXfixes
 	x11-libs/libXrender
 	x11-libs/libXt
-	system-cairo? ( >=x11-libs/cairo-1.12[X,xcb] >=x11-libs/pixman-0.19.2 )
+	system-cairo? ( >=x11-libs/cairo-1.12[X,xcb(+)] >=x11-libs/pixman-0.19.2 )
 	system-icu? ( >=dev-libs/icu-58.1:= )
 	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1 )
 	system-libevent? ( >=dev-libs/libevent-2.0:0=[threads] )
diff --git a/eclass/multilib-build.eclass b/eclass/multilib-build.eclass
index 00f02df98fdf..f20b27b7643a 100644
--- a/eclass/multilib-build.eclass
+++ b/eclass/multilib-build.eclass
@@ -369,8 +369,8 @@ multilib_copy_sources() {
 # MULTILIB_CHOST_TOOLS=(
 #	/usr/bin/foo-config
 # )
-
 # @CODE
+
 # @FUNCTION: multilib_prepare_wrappers
 # @USAGE: [<install-root>]
 # @DESCRIPTION:
diff --git a/eclass/obs-download.eclass b/eclass/obs-download.eclass
index e40cdd2876fa..d700f18edbd4 100644
--- a/eclass/obs-download.eclass
+++ b/eclass/obs-download.eclass
@@ -1,6 +1,9 @@
 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+# @DEAD
+# All consumers were last rited.  Removal in 30 days.
+
 # @ECLASS: obs-download.eclass
 # @MAINTAINER:
 # maintainer-needed@gentoo.org
diff --git a/eclass/obs-service.eclass b/eclass/obs-service.eclass
index faa879c0636e..ed568e493b89 100644
--- a/eclass/obs-service.eclass
+++ b/eclass/obs-service.eclass
@@ -1,6 +1,9 @@
 # Copyright 1999-2013 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
+# @DEAD
+# All consumers were last rited.  Removal in 30 days.
+
 # @ECLASS: obs-service.eclass
 # @MAINTAINER:
 # maintainer-needed@gentoo.org
diff --git a/eclass/python-any-r1.eclass b/eclass/python-any-r1.eclass
index 3863ef6fa849..878e337ff3c2 100644
--- a/eclass/python-any-r1.eclass
+++ b/eclass/python-any-r1.eclass
@@ -7,7 +7,7 @@
 # @AUTHOR:
 # Author: Michał Górny <mgorny@gentoo.org>
 # Based on work of: Krzysztof Pawlik <nelchael@gentoo.org>
-# @SUPPORTED_EAPIS: 0 1 2 3 4 5 6 7
+# @SUPPORTED_EAPIS: 5 6 7
 # @BLURB: An eclass for packages having build-time dependency on Python.
 # @DESCRIPTION:
 # A minimal eclass for packages which need any Python interpreter
@@ -37,11 +37,9 @@
 # https://wiki.gentoo.org/wiki/Project:Python/python-any-r1
 
 case "${EAPI:-0}" in
-	0|1|2|3|4|5|6|7)
-		;;
-	*)
-		die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}"
-		;;
+	[0-4]) die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" ;;
+	[5-7]) ;;
+	*)     die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" ;;
 esac
 
 if [[ ! ${_PYTHON_ANY_R1} ]]; then
diff --git a/eclass/python-r1.eclass b/eclass/python-r1.eclass
index e87b59967cde..dd350a436fa5 100644
--- a/eclass/python-r1.eclass
+++ b/eclass/python-r1.eclass
@@ -126,7 +126,7 @@ fi
 # @CODE
 # dev-lang/python-exec:=
 # python_targets_python2_7? ( dev-lang/python:2.7[gdbm] )
-# python_targets_pypy? ( virtual/pypy[gdbm] )
+# python_targets_pypy? ( dev-python/pypy[gdbm] )
 # @CODE
 
 # @ECLASS-VARIABLE: PYTHON_USEDEP
diff --git a/eclass/python-single-r1.eclass b/eclass/python-single-r1.eclass
index f042bf4e1167..b82c3a29f5c4 100644
--- a/eclass/python-single-r1.eclass
+++ b/eclass/python-single-r1.eclass
@@ -136,7 +136,7 @@ EXPORT_FUNCTIONS pkg_setup
 # @CODE
 # dev-lang/python-exec:=
 # python_single_target_python2_7? ( dev-lang/python:2.7[gdbm] )
-# python_single_target_pypy? ( virtual/pypy[gdbm] )
+# python_single_target_pypy? ( dev-python/pypy[gdbm] )
 # @CODE
 
 # @ECLASS-VARIABLE: PYTHON_USEDEP
diff --git a/eclass/python-utils-r1.eclass b/eclass/python-utils-r1.eclass
index 3eadc50f93e6..91a32434dfaa 100644
--- a/eclass/python-utils-r1.eclass
+++ b/eclass/python-utils-r1.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: python-utils-r1.eclass
@@ -7,7 +7,7 @@
 # @AUTHOR:
 # Author: Michał Górny <mgorny@gentoo.org>
 # Based on work of: Krzysztof Pawlik <nelchael@gentoo.org>
-# @SUPPORTED_EAPIS: 0 1 2 3 4 5 6 7
+# @SUPPORTED_EAPIS: 5 6 7
 # @BLURB: Utility functions for packages with Python parts.
 # @DESCRIPTION:
 # A utility eclass providing functions to query Python implementations,
@@ -20,11 +20,9 @@
 # https://wiki.gentoo.org/wiki/Project:Python/python-utils-r1
 
 case "${EAPI:-0}" in
-	0|1|2|3|4|5|6|7)
-		;;
-	*)
-		die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}"
-		;;
+	[0-4]) die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" ;;
+	[5-7]) ;;
+	*)     die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" ;;
 esac
 
 if [[ ${_PYTHON_ECLASS_INHERITED} ]]; then
@@ -33,7 +31,7 @@ fi
 
 if [[ ! ${_PYTHON_UTILS_R1} ]]; then
 
-[[ ${EAPI:-0} == [012345] ]] && inherit eutils multilib
+[[ ${EAPI} == 5 ]] && inherit eutils multilib
 inherit toolchain-funcs
 
 # @ECLASS-VARIABLE: _PYTHON_ALL_IMPLS
@@ -41,10 +39,9 @@ inherit toolchain-funcs
 # @DESCRIPTION:
 # All supported Python implementations, most preferred last.
 _PYTHON_ALL_IMPLS=(
-	jython2_7
-	pypy pypy3
+	pypy3
 	python2_7
-	python3_5 python3_6 python3_7 python3_8
+	python3_6 python3_7 python3_8
 )
 readonly _PYTHON_ALL_IMPLS
 
@@ -80,17 +77,12 @@ _python_impl_supported() {
 	# keep in sync with _PYTHON_ALL_IMPLS!
 	# (not using that list because inline patterns shall be faster)
 	case "${impl}" in
-		python2_7|python3_[5678]|jython2_7)
+		python2_7|python3_[678]|pypy3)
 			return 0
 			;;
-		pypy1_[89]|pypy2_0|python2_[56]|python3_[1234])
+		jython2_7|pypy|pypy1_[89]|pypy2_0|python2_[56]|python3_[12345])
 			return 1
 			;;
-		pypy|pypy3)
-			if [[ ${EAPI:-0} == [01234] ]]; then
-				die "PyPy is supported in EAPI 5 and newer only."
-			fi
-			;;
 		*)
 			[[ ${PYTHON_COMPAT_NO_STRICT} ]] && return 1
 			die "Invalid implementation in PYTHON_COMPAT: ${impl}"
@@ -480,9 +472,9 @@ python_export() {
 					python*)
 						PYTHON_PKG_DEP="dev-lang/python:${impl#python}";;
 					pypy)
-						PYTHON_PKG_DEP='>=virtual/pypy-5:0=';;
+						PYTHON_PKG_DEP='>=dev-python/pypy-5:0=';;
 					pypy3)
-						PYTHON_PKG_DEP='>=virtual/pypy3-5:0=';;
+						PYTHON_PKG_DEP='>=dev-python/pypy3-5:0=';;
 					jython2.7)
 						PYTHON_PKG_DEP='dev-java/jython:2.7';;
 					*)
@@ -776,9 +768,6 @@ python_newexe() {
 
 	[[ ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).'
 	[[ ${#} -eq 2 ]] || die "Usage: ${FUNCNAME} <path> <new-name>"
-	if [[ ${EAPI:-0} == [0123] ]]; then
-		die "python_do* and python_new* helpers are banned in EAPIs older than 4."
-	fi
 
 	local wrapd=${python_scriptroot:-/usr/bin}
 
@@ -906,9 +895,6 @@ python_domodule() {
 	debug-print-function ${FUNCNAME} "${@}"
 
 	[[ ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).'
-	if [[ ${EAPI:-0} == [0123] ]]; then
-		die "python_do* and python_new* helpers are banned in EAPIs older than 4."
-	fi
 
 	local d
 	if [[ ${python_moduleroot} == /* ]]; then
@@ -948,9 +934,6 @@ python_doheader() {
 	debug-print-function ${FUNCNAME} "${@}"
 
 	[[ ${EPYTHON} ]] || die 'No Python implementation set (EPYTHON is null).'
-	if [[ ${EAPI:-0} == [0123] ]]; then
-		die "python_do* and python_new* helpers are banned in EAPIs older than 4."
-	fi
 
 	local d PYTHON_INCLUDEDIR=${PYTHON_INCLUDEDIR}
 	[[ ${PYTHON_INCLUDEDIR} ]] || python_export PYTHON_INCLUDEDIR
@@ -1093,10 +1076,7 @@ python_is_installed() {
 	[[ ${impl} ]] || die "${FUNCNAME}: no impl nor EPYTHON"
 	local hasv_args=()
 
-	case ${EAPI:-0} in
-		0|1|2|3|4)
-			local -x ROOT=/
-			;;
+	case ${EAPI} in
 		5|6)
 			hasv_args+=( --host-root )
 			;;
@@ -1265,7 +1245,7 @@ python_fix_shebang() {
 
 		if [[ ! ${any_fixed} ]]; then
 			local cmd=eerror
-			[[ ${EAPI:-0} == [012345] ]] && cmd=eqawarn
+			[[ ${EAPI} == 5 ]] && cmd=eqawarn
 
 			"${cmd}" "QA warning: ${FUNCNAME}, ${path#${D%/}} did not match any fixable files."
 			if [[ ${any_correct} ]]; then
diff --git a/eclass/qt5-build.eclass b/eclass/qt5-build.eclass
index 2bee3a3fae47..e1b32e71ab4f 100644
--- a/eclass/qt5-build.eclass
+++ b/eclass/qt5-build.eclass
@@ -643,6 +643,9 @@ qt5_base_configure() {
 		# enable in respective modules to avoid poisoning QT.global_private.enabled_features
 		-no-gui -no-widgets
 
+		# QTBUG-76521, default will change to zstd in Qt6
+		$([[ ${QT5_MINOR_VERSION} -ge 13 ]] && echo -no-zstd)
+
 		# module-specific options
 		"${myconf[@]}"
 	)
diff --git a/eclass/ruby-ng.eclass b/eclass/ruby-ng.eclass
index db701d81f4fc..f92547b49a9f 100644
--- a/eclass/ruby-ng.eclass
+++ b/eclass/ruby-ng.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: ruby-ng.eclass
@@ -137,7 +137,7 @@ ruby_samelib() {
 	local res=
 	for _ruby_implementation in $(_ruby_get_all_impls); do
 		has -${_ruby_implementation} $@ || \
-			res="${res}ruby_targets_${_ruby_implementation}?,"
+			res="${res}ruby_targets_${_ruby_implementation}(-)?,"
 	done
 
 	echo "[${res%,}]"
@@ -151,9 +151,9 @@ _ruby_atoms_samelib_generic() {
 			"||" | "(" | ")" | *"?")
 				echo "${token}" ;;
 			*])
-				echo "${token%[*}[RUBYTARGET,${token/*[}" ;;
+				echo "${token%[*}[RUBYTARGET(-),${token/*[}" ;;
 			*)
-				echo "${token}[RUBYTARGET]" ;;
+				echo "${token}[RUBYTARGET(-)]" ;;
 		esac
 	done
 	echo ")"
diff --git a/eclass/ruby-utils.eclass b/eclass/ruby-utils.eclass
index 89d06fd75e33..2934c94ffac9 100644
--- a/eclass/ruby-utils.eclass
+++ b/eclass/ruby-utils.eclass
@@ -28,10 +28,10 @@ if [[ ! ${_RUBY_UTILS} ]]; then
 # provide for a better first installation experience.
 
 # All stable RUBY_TARGETS
-RUBY_TARGETS_PREFERENCE="ruby24 "
+RUBY_TARGETS_PREFERENCE="ruby25 ruby24 "
 
 # All other active ruby targets
-RUBY_TARGETS_PREFERENCE+="ruby25 ruby26"
+RUBY_TARGETS_PREFERENCE+="ruby26 ruby27"
 
 
 _ruby_implementation_depend() {
@@ -75,6 +75,10 @@ _ruby_implementation_depend() {
 			rubypn="dev-lang/ruby"
 			rubyslot=":2.6"
 			;;
+		ruby27)
+			rubypn="dev-lang/ruby"
+			rubyslot=":2.7"
+			;;
 		ree18)
 			rubypn="dev-lang/ruby-enterprise"
 			rubyslot=":1.8"
diff --git a/eclass/subversion.eclass b/eclass/subversion.eclass
index 6d26820bc090..093c83967bf4 100644
--- a/eclass/subversion.eclass
+++ b/eclass/subversion.eclass
@@ -72,7 +72,7 @@ ESVN_OPTIONS="${ESVN_OPTIONS:-}"
 # @DESCRIPTION:
 # repository uri
 #
-# e.g. http://foo/trunk, svn://bar/trunk, svn://bar/branch/foo@1234
+# e.g. http://example.org/trunk, svn://example.org/branch/foo@1234
 #
 # supported URI schemes:
 #   http://
diff --git a/eclass/tests/flag-o-matic.sh b/eclass/tests/flag-o-matic.sh
index b0b97ea0bc1e..90eaf3a6ffb0 100755
--- a/eclass/tests/flag-o-matic.sh
+++ b/eclass/tests/flag-o-matic.sh
@@ -8,7 +8,7 @@ inherit flag-o-matic
 
 CFLAGS="-a -b -c=1 --param l1-cache-size=32"
 CXXFLAGS="-x -y -z=2"
-LDFLAGS="-l -m -n=3"
+LDFLAGS="-l -m -n=3 -Wl,--remove-me"
 ftend() {
 	local ret=$?
 	local msg="Failed; flags are:"
@@ -53,7 +53,7 @@ done <<<"
 	1	-n
 "
 
-tbegin "strip-unsupported-flags"
+tbegin "strip-unsupported-flags for -z=2"
 strip-unsupported-flags
 [[ ${CFLAGS} == "--param l1-cache-size=32" ]] && [[ ${CXXFLAGS} == "-z=2" ]] && [[ ${LDFLAGS} == "" ]]
 ftend
diff --git a/eclass/tests/python-utils-r1.sh b/eclass/tests/python-utils-r1.sh
index e883da38cead..279324e163ba 100755
--- a/eclass/tests/python-utils-r1.sh
+++ b/eclass/tests/python-utils-r1.sh
@@ -109,7 +109,7 @@ if [[ -x /usr/bin/pypy ]]; then
 	test_var PYTHON_SITEDIR pypy "/usr/lib*/pypy2.7/site-packages"
 	test_var PYTHON_INCLUDEDIR pypy "/usr/lib*/pypy2.7/include"
 fi
-test_var PYTHON_PKG_DEP pypy '*virtual/pypy*:0='
+test_var PYTHON_PKG_DEP pypy '*dev-python/pypy*:0='
 test_var PYTHON_SCRIPTDIR pypy /usr/lib/python-exec/pypy
 
 test_var EPYTHON pypy3 pypy3
@@ -118,7 +118,7 @@ if [[ -x /usr/bin/pypy3 ]]; then
 	test_var PYTHON_SITEDIR pypy3 "/usr/lib*/pypy3.?/site-packages"
 	test_var PYTHON_INCLUDEDIR pypy3 "/usr/lib*/pypy3.?/include"
 fi
-test_var PYTHON_PKG_DEP pypy3 '*virtual/pypy3*:0='
+test_var PYTHON_PKG_DEP pypy3 '*dev-python/pypy3*:0='
 test_var PYTHON_SCRIPTDIR pypy3 /usr/lib/python-exec/pypy3
 
 test_is "python_is_python3 python2.7" 1
@@ -181,16 +181,16 @@ test_is "_python_impl_supported python3_1" 1
 test_is "_python_impl_supported python3_2" 1
 test_is "_python_impl_supported python3_3" 1
 test_is "_python_impl_supported python3_4" 1
-test_is "_python_impl_supported python3_5" 0
+test_is "_python_impl_supported python3_5" 1
 test_is "_python_impl_supported python3_6" 0
 test_is "_python_impl_supported python3_7" 0
 test_is "_python_impl_supported python3_8" 0
 test_is "_python_impl_supported pypy1_8" 1
 test_is "_python_impl_supported pypy1_9" 1
 test_is "_python_impl_supported pypy2_0" 1
-test_is "_python_impl_supported pypy" 0
+test_is "_python_impl_supported pypy" 1
 test_is "_python_impl_supported pypy3" 0
-test_is "_python_impl_supported jython2_7" 0
+test_is "_python_impl_supported jython2_7" 1
 
 # check _python_impl_matches behavior
 test_is "_python_impl_matches python2_7 -2" 0
diff --git a/eclass/tests/toolchain.sh b/eclass/tests/toolchain.sh
index 56609aa180e4..1d05f6c126ba 100755
--- a/eclass/tests/toolchain.sh
+++ b/eclass/tests/toolchain.sh
@@ -12,6 +12,12 @@ source tests-common.sh
 
 inherit toolchain
 
+# Ignore actually running version of gcc and fake new version
+# to force downgrade test on all conditions below.
+gcc-version() {
+	echo "99.99"
+}
+
 test_downgrade_arch_flags() {
 	local exp msg ret=0 ver
 
@@ -26,13 +32,14 @@ test_downgrade_arch_flags() {
 	downgrade_arch_flags ${ver}
 
 	if [[ ${CFLAGS} != ${exp} ]]; then
-		msg="Failure - Expected: \"${exp}\" Got: \"${CFLAGS}\""
+		msg="Failure - Expected: \"${exp}\" Got: \"${CFLAGS}\" Ver: ${ver}"
 		ret=1
 	fi
 	tend ${ret} ${msg}
 }
 
 #                         ver  expected            given
+test_downgrade_arch_flags 10  "-march=haswell"    "-march=haswell"
 test_downgrade_arch_flags 4.9 "-march=haswell"    "-march=haswell"
 test_downgrade_arch_flags 4.8 "-march=core-avx2"  "-march=haswell"
 test_downgrade_arch_flags 4.7 "-march=core-avx2"  "-march=haswell"
@@ -64,6 +71,7 @@ test_downgrade_arch_flags 3.3 "-march=c3"         "-march=c3-2"
 
 test_downgrade_arch_flags 4.5 "-march=garbage"    "-march=garbage"
 
+test_downgrade_arch_flags 10  "-mtune=intel"      "-mtune=intel"
 test_downgrade_arch_flags 4.9 "-mtune=intel"      "-mtune=intel"
 test_downgrade_arch_flags 4.8 "-mtune=generic"    "-mtune=intel"
 test_downgrade_arch_flags 3.4 ""                  "-mtune=generic"
@@ -74,9 +82,11 @@ test_downgrade_arch_flags 4.5 "-march=amdfam10 -mtune=generic" "-march=btver2 -m
 test_downgrade_arch_flags 3.3 "-march=k6-2"       "-march=geode -mtune=barcelona"
 test_downgrade_arch_flags 3.4 "-march=k8"         "-march=btver2 -mtune=generic"
 
+test_downgrade_arch_flags 10  "-march=native"     "-march=native"
 test_downgrade_arch_flags 4.2 "-march=native"     "-march=native"
 test_downgrade_arch_flags 4.1 "-march=nocona"     "-march=native"
 
+test_downgrade_arch_flags 10  "-march=foo -mno-sha -mno-rtm -mno-avx2 -mno-avx -mno-sse4.1" "-march=foo -mno-sha -mno-rtm -mno-avx2 -mno-avx -mno-sse4.1"
 test_downgrade_arch_flags 4.9 "-march=foo -mno-sha -mno-rtm -mno-avx2 -mno-avx -mno-sse4.1" "-march=foo -mno-sha -mno-rtm -mno-avx2 -mno-avx -mno-sse4.1"
 test_downgrade_arch_flags 4.8 "-march=foo -mno-rtm -mno-avx2 -mno-avx -mno-sse4.1" "-march=foo -mno-sha -mno-rtm -mno-avx2 -mno-avx -mno-sse4.1"
 test_downgrade_arch_flags 4.7 "-march=foo -mno-avx2 -mno-avx -mno-sse4.1" "-march=foo -mno-sha -mno-rtm -mno-avx2 -mno-avx -mno-sse4.1"
diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index 8929a1869fc6..bd3d024f9891 100644
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -438,9 +438,9 @@ toolchain_pkg_setup() {
 toolchain_src_unpack() {
 	if [[ ${PV} == *9999* ]]; then
 		git-r3_src_unpack
-	else
-		gcc_quick_unpack
 	fi
+
+	gcc_quick_unpack
 }
 
 gcc_quick_unpack() {
@@ -455,6 +455,8 @@ gcc_quick_unpack() {
 	# 'GCC_A_FAKEIT' to specify it's own source and binary tarballs.
 	if [[ -n ${GCC_A_FAKEIT} ]] ; then
 		unpack ${GCC_A_FAKEIT}
+	elif [[ ${PV} == *9999* ]]; then
+		: # sources comes from git, not tarball
 	elif [[ -n ${PRERELEASE} ]] ; then
 		unpack gcc-${PRERELEASE}.tar.bz2
 	elif [[ -n ${SNAPSHOT} ]] ; then
@@ -1207,6 +1209,15 @@ toolchain_src_configure() {
 		is-flagq -mfloat-gprs=double && confgcc+=( --enable-e500-double )
 		[[ ${CTARGET//_/-} == *-e500v2-* ]] && confgcc+=( --enable-e500-double )
 		;;
+	ppc64)
+		# On ppc64 big endian target gcc assumes elfv1 by default,
+		# and elfv2 on little endian
+		# but musl does not support elfv1 at all on any endian ppc64
+		# see https://git.musl-libc.org/cgit/musl/tree/INSTALL
+		# https://bugs.gentoo.org/704784
+		# https://gcc.gnu.org/PR93157
+		[[ ${CTARGET} == powerpc64-*-musl ]] && confgcc+=( --with-abi=elfv2 )
+		;;
 	riscv)
 		# Add --with-abi flags to set default ABI
 		confgcc+=( --with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI}) )
@@ -1395,7 +1406,8 @@ downgrade_arch_flags() {
 	local arch bver i isa myarch mytune rep ver
 
 	bver=${1:-${GCC_BRANCH_VER}}
-	[[ $(gcc-version) < ${bver} ]] && return 0
+	# Don't perform downgrade if running gcc is older than ebuild's.
+	tc_version_is_at_least ${bver} $(gcc-version) || return 0
 	[[ $(tc-arch) != amd64 && $(tc-arch) != x86 ]] && return 0
 
 	myarch=$(get-flag march)
@@ -1403,7 +1415,7 @@ downgrade_arch_flags() {
 
 	# If -march=native isn't supported we have to tease out the actual arch
 	if [[ ${myarch} == native || ${mytune} == native ]] ; then
-		if [[ ${bver} < 4.2 ]] ; then
+		if ! tc_version_is_at_least 4.2 ${bver}; then
 			arch=$($(tc-getCC) -march=native -v -E -P - </dev/null 2>&1 \
 				| sed -rn "/cc1.*-march/s:.*-march=([^ ']*).*:\1:p")
 			replace-cpu-flags native ${arch}
@@ -1411,10 +1423,10 @@ downgrade_arch_flags() {
 	fi
 
 	# Handle special -mtune flags
-	[[ ${mytune} == intel && ${bver} < 4.9 ]] && replace-cpu-flags intel generic
-	[[ ${mytune} == generic && ${bver} < 4.2 ]] && filter-flags '-mtune=*'
+	[[ ${mytune} == intel ]] && ! tc_version_is_at_least 4.9 ${bver} && replace-cpu-flags intel generic
+	[[ ${mytune} == generic ]] && ! tc_version_is_at_least 4.2 ${bver} && filter-flags '-mtune=*'
 	[[ ${mytune} == x86-64 ]] && filter-flags '-mtune=*'
-	[[ ${bver} < 3.4 ]] && filter-flags '-mtune=*'
+	tc_version_is_at_least 3.4 ${bver} || filter-flags '-mtune=*'
 
 	# "added" "arch" "replacement"
 	local archlist=(
@@ -1464,8 +1476,8 @@ downgrade_arch_flags() {
 
 		[[ ${myarch} != ${arch} && ${mytune} != ${arch} ]] && continue
 
-		if [[ ${ver} > ${bver} ]] ; then
-			einfo "Replacing ${myarch} (added in gcc ${ver}) with ${rep}..."
+		if ! tc_version_is_at_least ${ver} ${bver}; then
+			einfo "Downgrading '${myarch}' (added in gcc ${ver}) with '${rep}'..."
 			[[ ${myarch} == ${arch} ]] && replace-cpu-flags ${myarch} ${rep}
 			[[ ${mytune} == ${arch} ]] && replace-cpu-flags ${mytune} ${rep}
 			continue
@@ -1513,7 +1525,7 @@ downgrade_arch_flags() {
 	for ((i = 0; i < ${#isalist[@]}; i += 2)) ; do
 		ver=${isalist[i]}
 		isa=${isalist[i + 1]}
-		[[ ${ver} > ${bver} ]] && filter-flags ${isa} ${isa/-m/-mno-}
+		tc_version_is_at_least ${ver} ${bver} || filter-flags ${isa} ${isa/-m/-mno-}
 	done
 }
 
@@ -1763,8 +1775,10 @@ gcc_do_make() {
 
 toolchain_src_test() {
 	cd "${WORKDIR}"/build
-	# enable verbose test run and result logging
-	emake -k check
+	# 'asan' wants to be preloaded first, so does 'sandbox'.
+	# To make asan tests work disable sandbox for all of test suite.
+	# 'backtrace' tests also does not like 'libsandbox.so' presence.
+	SANDBOX_ON=0 LD_PRELOAD= emake -k check
 }
 
 #---->> src_install <<----
diff --git a/eclass/vala.eclass b/eclass/vala.eclass
index 1c9229489fff..640af998deba 100644
--- a/eclass/vala.eclass
+++ b/eclass/vala.eclass
@@ -54,7 +54,8 @@ vala_api_versions() {
 
 	for ((minor_version = ${VALA_MAX_API_VERSION#*.}; minor_version >= ${VALA_MIN_API_VERSION#*.}; minor_version = minor_version - 2)); do
 		# 0.38 was never in main tree; remove the special case once minimal_supported_minor_version >= 40
-		if ((minor_version >= minimal_supported_minor_version)) && ((minor_version != 38)); then
+		# 0.42 is EOL and removed from tree; remove special case once minimal_support_minor_version >= 44
+		if ((minor_version >= minimal_supported_minor_version)) && ((minor_version != 38)) && ((minor_version != 42)); then
 			echo "0.${minor_version}"
 		fi
 	done
diff --git a/eclass/xemacs-elisp-common.eclass b/eclass/xemacs-elisp-common.eclass
index 5f8fec40d4c9..e0d864b13302 100644
--- a/eclass/xemacs-elisp-common.eclass
+++ b/eclass/xemacs-elisp-common.eclass
@@ -10,6 +10,11 @@
 # Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
 # Copyright 2007 Ulrich Müller <ulm@gentoo.org>
 #
+# @DEAD
+# Ulrich Müller <ulm@gentoo.org> (2019-12-16)
+# No longer used by any ebuild in the Gentoo repository.
+# Removal in 30 days.
+#
 # @ECLASS: xemacs-elisp-common.eclass
 # @MAINTAINER:
 # xemacs@gentoo.org
diff --git a/eclass/xemacs-elisp.eclass b/eclass/xemacs-elisp.eclass
index 45546fb0adc3..a5500af4da01 100644
--- a/eclass/xemacs-elisp.eclass
+++ b/eclass/xemacs-elisp.eclass
@@ -8,6 +8,11 @@
 # Copyright 2002-2003 Matthew Kennedy <mkennedy@gentoo.org>
 # Copyright 2003 Jeremy Maitin-Shepard <jbms@attbi.com>
 #
+# @DEAD
+# Ulrich Müller <ulm@gentoo.org> (2019-12-16)
+# No longer used by any ebuild in the Gentoo repository.
+# Removal in 30 days.
+#
 # @ECLASS: xemacs-elisp.eclass
 # @MAINTAINER:
 # xemacs@gentoo.org