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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit toolchain-funcs
DESCRIPTION="LibTomCrypt is a comprehensive, modular and portable cryptographic toolkit"
HOMEPAGE="https://www.libtom.net/LibTomCrypt/ https://github.com/libtom/libtomcrypt"
SRC_URI="
https://github.com/libtom/${PN}/releases/download/v${PV}/crypt-${PV}.tar.xz
-> ${P}.tar.xz"
LICENSE="|| ( WTFPL-2 public-domain )"
# Current SONAME is 1
# Please bump when the ABI changes upstream
# Helpful site:
# https://abi-laboratory.pro/index.php?view=timeline&l=libtomcrypt
SLOT="0/1"
KEYWORDS="~alpha amd64 arm arm64 hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
IUSE="+gmp +libtommath tomsfastmath"
# Enforce at least one math provider
# bug #772935
REQUIRED_USE="|| ( gmp libtommath tomsfastmath )"
BDEPEND="
dev-build/libtool
virtual/pkgconfig
"
RDEPEND="
gmp? ( dev-libs/gmp:= )
libtommath? ( dev-libs/libtommath:= )
tomsfastmath? ( dev-libs/tomsfastmath:= )
"
DEPEND="
${RDEPEND}
dev-build/libtool
"
PATCHES=(
"${FILESDIR}"/${P}-slibtool.patch
)
mymake() {
# Standard boilerplate
# Upstream use homebrewed makefiles
# Best to use same args for all, for consistency,
# in case behaviour changes (v possible).
local enabled_features=()
local extra_libs=()
# Build support as appropriate for consumers (MPI)
if use gmp; then
enabled_features+=( -DGMP_DESC=1 )
extra_libs+=( -lgmp )
fi
if use libtommath; then
enabled_features+=( -DLTM_DESC=1 )
extra_libs+=( -ltommath )
fi
if use tomsfastmath; then
enabled_features+=( -DTFM_DESC=1 )
extra_libs+=( -ltfm )
fi
# For the test and example binaries, we have to choose
# which MPI we want to use.
# For now (see src_test), arbitrarily choose:
# gmp > libtommath > tomsfastmath > none
if use gmp ; then
enabled_features+=( -DUSE_GMP=1 )
elif use libtommath ; then
enabled_features+=( -DUSE_LTM=1 )
elif use tomsfastmath ; then
enabled_features+=( -DUSE_TFM=1 )
fi
# Fix cross-compiling, but allow manual overrides for slibtool, which works.
if [[ -z ${LIBTOOL} ]] ; then
local pfx=
[[ ${CHOST} == *-darwin* ]] && pfx=g # Darwin libtool != glibtool
declare -x LIBTOOL="${BASH} ${ESYSROOT}/usr/bin/${pfx}libtool"
fi
# IGNORE_SPEED=1 is needed to respect CFLAGS
EXTRALIBS="${extra_libs[*]}" emake \
CFLAGS="${CFLAGS} ${enabled_features[*]}" \
CC="$(tc-getCC)" \
AR="$(tc-getAR)" \
RANLIB="$(tc-getRANLIB)" \
LIBPATH="${EPREFIX}/usr/$(get_libdir)" \
INCPATH="${EPREFIX}/usr/include" \
IGNORE_SPEED=1 \
PREFIX="${EPREFIX}/usr" \
"${@}"
}
src_compile() {
# Replace hard-coded libdir=${exec_prefix}/lib.
sed -i -e "/libdir=/s:/lib:/$(get_libdir):" libtomcrypt.pc.in || die
mymake -f makefile.shared library
}
src_test() {
# libtomcrypt can build with several MPI providers
# but the tests can only be built with one at a time.
# When the next release (> 1.18.2) containing
# 1) https://github.com/libtom/libtomcrypt/commit/a65cfb8dbe4
# 2) https://github.com/libtom/libtomcrypt/commit/fdc6cd20137
# is made, we can run tests for each provider.
mymake test
./test || die "Running tests failed"
}
src_install() {
mymake -f makefile.shared \
DATAPATH="${EPREFIX}/usr/share/doc/${PF}" \
DESTDIR="${D}" \
install install_docs
find "${ED}" '(' -name '*.la' -o -name '*.a' ')' -delete || die
}
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