diff options
Diffstat (limited to 'dev-libs/klibc/klibc-2.0.4-r1.ebuild')
| -rw-r--r-- | dev-libs/klibc/klibc-2.0.4-r1.ebuild | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/dev-libs/klibc/klibc-2.0.4-r1.ebuild b/dev-libs/klibc/klibc-2.0.4-r1.ebuild new file mode 100644 index 00000000..a99f63a5 --- /dev/null +++ b/dev-libs/klibc/klibc-2.0.4-r1.ebuild @@ -0,0 +1,321 @@ +# Copyright 1999-2016 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Id$ + +# Robin H. Johnson <robbat2@gentoo.org>, 12 Nov 2007: +# This still needs major work. +# But it is significently better than the previous version. +# In that it will now build on biarch systems, such as ppc64-32ul. + +# NOTES: +# ====== +# We need to bring in the kernel sources seperately +# Because they have to be configured in a way that differs from the copy in +# /usr/src/. The sys-kernel/linux-headers are too stripped down to use +# unfortunately. +# This will be able to go away once the klibc author updates his code +# to build again the headers provided by the kernel's 'headers_install' target. + +EAPI=5 +K_TARBALL_SUFFIX="xz" + +inherit eutils multilib toolchain-funcs flag-o-matic + +DESCRIPTION="A minimal libc subset for use with initramfs" +HOMEPAGE="http://www.zytor.com/mailman/listinfo/klibc/ https://www.kernel.org/pub/linux/libs/klibc/" +KV_MAJOR="3" KV_MINOR="x" +if [[ $(gcc-major-version) -gt 4 ]]; then + KV_SUB="18" +else + KV_SUB="12" +fi +PKV_EXTRA="" +if [[ ${PKV_EXTRA} ]]; then + if [[ ${KV_MAJOR} == 2 ]]; then + PKV="${KV_MAJOR}.${KV_MINOR}.$((${KV_SUB}+1))-${PKV_EXTRA}" + else + PKV="${KV_MAJOR}.$((${KV_SUB}+1))-${PKV_EXTRA}" + fi + PATCH_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/patch-${PKV}.${K_TARBALL_SUFFIX}" +fi +if [[ ${KV_MAJOR} == 2 ]]; then + OKV="${KV_MAJOR}.${KV_MINOR}.${KV_SUB}" +else + OKV="${KV_MAJOR}.${KV_SUB}" +fi +KERNEL_URI=" + mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/linux-${OKV}.tar.${K_TARBALL_SUFFIX} + mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/testing/linux-${OKV}.tar.${K_TARBALL_SUFFIX}" +DEBIAN_PV=2.0.2 +DEBIAN_PR=1 +DEBIAN_A="${PN}_${DEBIAN_PV}-${DEBIAN_PR}.debian.tar.gz" +SRC_URI=" + mirror://kernel/linux/libs/klibc/${PV:0:3}/${P}.tar.${K_TARBALL_SUFFIX} + mirror://debian/pool/main/k/klibc/${DEBIAN_A} + ${PATCH_URI} + ${KERNEL_URI}" + +LICENSE="|| ( GPL-2 LGPL-2 )" +KEYWORDS="amd64 x86" +SLOT="0" +IUSE="debug test custom-cflags" + +DEPEND="dev-lang/perl" +RDEPEND="${DEPEND}" + +KS="${WORKDIR}/linux-${OKV}" + +# Klibc has no PT_GNU_STACK support, so scanning for execstacks is moot +QA_EXECSTACK="*" +# Do not strip +RESTRICT="strip" + +kernel_asm_arch() { + a="${1:${ARCH}}" + case ${a} in + # Merged arches + x86) echo i386 ;; # for build on x86 userspace & 64bit kernel + amd64) echo x86 ;; + ppc*) echo powerpc ;; + # Non-merged + alpha|arm|arm64|ia64|m68k|mips|sh|sparc*) echo ${1} ;; + *) die "TODO: Update the code for your asm-ARCH symlink" ;; + esac +} + +# For a given Gentoo ARCH, +# specify the kernel defconfig most relevant +kernel_defconfig() { + a="${1:${ARCH}}" + # most, but not all arches have a sanely named defconfig + case ${a} in + ppc64) echo ppc64_defconfig ;; + ppc) echo pmac32_defconfig ;; + sh*) die "TODO: Your arch is not supported by the klibc ebuild. Please suggest a defconfig in a bug." ;; + *) echo defconfig ;; + esac +} + +src_unpack() { + unpack linux-${OKV}.tar.${K_TARBALL_SUFFIX} ${P}.tar.${K_TARBALL_SUFFIX} ${DEBIAN_A} +} + +src_prepare() { + [[ ${PKV} ]] && EPATCH_OPTS="-d ${KS} -p1" epatch "${DISTDIR}"/patch-${PKV}.${K_TARBALL_SUFFIX} + cd "${S}" + + # Symlink /usr/src/linux to ${S}/linux + ln -snf "${KS}" linux + #ln -snf "/usr" linux + + # Build interp.o with EXTRA_KLIBCAFLAGS (.S source) + epatch "${FILESDIR}"/${PN}-1.4.11-interp-flags.patch + + # Fix usage of -s, bug #201006 + epatch "${FILESDIR}"/klibc-1.5.7-strip-fix-dash-s.patch + + # The inline definition from sys/stat.h does not seem to get used + # So just copy it to make this compile for now + epatch "${FILESDIR}"/klibc-2.0.2-mkfifo.patch + + # Newer kernels have some headers in the uapi dir + epatch "${FILESDIR}"/klibc-2.0.3-kernel-uapi.patch + + # Borrow the debian fixes too + for p in $(<"${S}"/debian/patches/series) ; do + epatch "${S}/debian/patches/${p}" + done +} + +# klibc has it's own ideas of arches +# They reflect userspace strictly. +# This functions maps from a Gentoo ARCH, to an arch that klibc expects +# Look at klibc-${S}/usr/klibc/arch for a list of these arches +klibc_arch() { + a="${1:${ARCH}}" + case ${a} in + amd64) echo x86_64;; + mips) die 'TODO: Use the $ABI' ;; + x86) echo i386;; + *) echo ${a} ;; + esac +} + +src_compile() { + local myargs="all" + local myARCH="${ARCH}" myABI="${ABI}" + # TODO: For cross-compiling + # You should set ARCH and ABI here + CC="$(tc-getCC)" + LD="$(tc-getLD)" + HOSTCC="$(tc-getBUILD_CC)" + HOSTLD="$(tc-getBUILD_LD)" + KLIBCARCH="$(klibc_arch ${ARCH})" + KLIBCASMARCH="$(kernel_asm_arch ${ARCH})" + libdir="$(get_libdir)" + # This should be the defconfig corresponding to your userspace! + # NOT your kernel. PPC64-32ul would choose 'ppc' for example. + defconfig=$(kernel_defconfig ${ARCH}) + unset ABI ARCH # Unset these, because they interfere + unset KBUILD_OUTPUT # we are using a private copy + + cd "${KS}" + emake ${defconfig} CC="${CC}" HOSTCC="${HOSTCC}" ARCH="${KLIBCASMARCH}" || die "No defconfig" + if [[ "${KLIBCARCH/arm}" != "${KLIBCARCH}" ]] && \ + [[ "${CHOST/eabi}" != "${CHOST}" ]]; then + # The delete and insert are seperate statements + # so that they are reliably used. + sed -i \ + -e '/CONFIG_AEABI/d' \ + -e '1iCONFIG_AEABI=y' \ + -e '/CONFIG_OABI_COMPAT/d' \ + -e '1iCONFIG_OABI_COMPAT=y' \ + "${KS}"/.config \ + "${S}"/defconfig + fi + emake prepare CC="${CC}" HOSTCC="${HOSTCC}" ARCH="${KLIBCASMARCH}" || die "Failed to prepare kernel sources for header usage" + + cd "${S}" + + use debug && myargs="${myargs} V=1" + use test && myargs="${myargs} test" + append-ldflags -z noexecstack + append-flags -nostdlib + + emake \ + EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \ + EXTRA_KLIBCLDFLAGS="-z noexecstack" \ + HOSTLDFLAGS="-z noexecstack" \ + KLIBCOPTFLAGS='-nostdlib' \ + HOSTCC="${HOSTCC}" CC="${CC}" \ + HOSTLD="${HOSTLD}" LD="${LD}" \ + INSTALLDIR="/usr/${libdir}/klibc" \ + KLIBCARCH=${KLIBCARCH} \ + KLIBCASMARCH=${KLIBCASMARCH} \ + SHLIBDIR="/${libdir}" \ + libdir="/usr/${libdir}" \ + mandir="/usr/share/man" \ + T="${T}" \ + $(use custom-cflags || echo SKIP_)HOSTCFLAGS="${CFLAGS}" \ + $(use custom-cflags || echo SKIP_)HOSTLDFLAGS="${LDFLAGS}" \ + $(use custom-cflags || echo SKIP_)KLIBCOPTFLAGS="${CFLAGS}" \ + ${myargs} || die "Compile failed!" + + #SHLIBDIR="/${libdir}" \ + + ARCH="${myARCH}" ABI="${myABI}" +} + +src_install() { + local myargs + local myARCH="${ARCH}" myABI="${ABI}" + # TODO: For cross-compiling + # You should set ARCH and ABI here + CC="$(tc-getCC)" + HOSTCC="$(tc-getBUILD_CC)" + KLIBCARCH="$(klibc_arch ${ARCH})" + KLIBCASMARCH="$(kernel_asm_arch ${ARCH})" + libdir="$(get_libdir)" + # This should be the defconfig corresponding to your userspace! + # NOT your kernel. PPC64-32ul would choose 'ppc' for example. + defconfig=$(kernel_defconfig ${ARCH}) + + use debug && myargs="${myargs} V=1" + + local klibc_prefix + if tc-is-cross-compiler ; then + klibc_prefix=$("${S}/klcc/${KLIBCARCH}-klcc" -print-klibc-prefix) + else + klibc_prefix=$("${S}/klcc/klcc" -print-klibc-prefix) + fi + + unset ABI ARCH # Unset these, because they interfere + unset KBUILD_OUTPUT # we are using a private copy + + emake \ + EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \ + EXTRA_KLIBCLDFLAGS="-z noexecstack" \ + HOSTLDFLAGS="-z noexecstack" \ + KLIBCOPTFLAGS='-nostdlib' \ + HOSTCC="${HOSTCC}" CC="${CC}" \ + HOSTLD="${HOSTLD}" LD="${LD}" \ + INSTALLDIR="/usr/${libdir}/klibc" \ + INSTALLROOT="${D}" \ + KLIBCARCH=${KLIBCARCH} \ + KLIBCASMARCH=${KLIBCASMARCH} \ + SHLIBDIR="/${libdir}" \ + libdir="/usr/${libdir}" \ + mandir="/usr/share/man" \ + T="${T}" \ + $(use custom-cflags || echo SKIP_)HOSTCFLAGS="${CFLAGS}" \ + $(use custom-cflags || echo SKIP_)HOSTLDFLAGS="${LDFLAGS}" \ + $(use custom-cflags || echo SKIP_)KLIBCOPTFLAGS="${CFLAGS}" \ + ${myargs} \ + install || die "Install failed!" + + #SHLIBDIR="/${libdir}" \ + + # klibc doesn't support prelinking, so we need to mask it + cat > "${T}/70klibc" <<-EOF + PRELINK_PATH_MASK="/usr/${libdir}/klibc" + EOF + + doenvd "${T}"/70klibc + + # Fix the permissions (bug #178053) on /usr/${libdir}/klibc/include + # Actually I have no idea, why the includes have those weird-ass permissions + # on a particular system, might be due to inherited permissions from parent + # directory + find "${D}"/usr/${libdir}/klibc/include | xargs chmod o+rX + find "${D}"/usr/${libdir}/klibc/include -type f \ + \( -name '.install' -o -name '..install.cmd' \) -delete || die + + # Hardlinks becoming copies + for x in gunzip zcat ; do + rm -f "${D}/${klibc_prefix}/bin/${x}" + dosym gzip "${klibc_prefix}/bin/${x}" + done + + # Restore now, so we can use the tc- functions + ARCH="${myARCH}" ABI="${myABI}" + if ! tc-is-cross-compiler ; then + cd "${S}" + insinto /usr/share/aclocal + doins contrib/klibc.m4 + + dodoc README usr/klibc/CAVEATS + docinto gzip; dodoc usr/gzip/README + fi + + # Fix up the symlink + # Mainly for merged arches + linkname="${D}/usr/${libdir}/klibc/include/asm" + if [ -L "${linkname}" ] && [ ! -e "${linkname}" ] ; then + ln -snf asm-${KLIBCASMARCH} "${linkname}" + fi +} + +src_test() { + if ! tc-is-cross-compiler ; then + cd "${S}"/usr/klibc/tests + ALL_TESTS="$(ls *.c |sed 's,\.c$,,g')" + BROKEN_TESTS="fcntl fnmatch testrand48" + failed=0 + for t in $ALL_TESTS ; do + if has $t $BROKEN_TESTS ; then + echo "=== $t SKIP" + else + echo -n "=== $t " + ./$t </dev/null >/dev/null + rc=$? + if [ $rc -eq 0 ]; then + echo PASS + else + echo FAIL + failed=1 + fi + fi + done + [ $failed -ne 0 ] && die "Some tests failed." + fi +} |