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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit autotools toolchain-funcs
DESCRIPTION="Optimized and portable routines for integer theoretic applications"
HOMEPAGE="https://www.libtom.net/"
SRC_URI="https://github.com/libtom/libtommath/releases/download/v${PV}/ltm-${PV}.tar.xz"
LICENSE="Unlicense"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="doc examples static-libs"
BDEPEND="sys-devel/libtool"
PATCHES=(
"${FILESDIR}"/${P}-sparc.patch
)
src_prepare() {
default
# need libtool for cross compilation, bug #376643
cat <<-EOF > configure.ac
AC_INIT(libtommath, 0)
AM_INIT_AUTOMAKE
LT_INIT
AC_CONFIG_FILES(Makefile)
AC_OUTPUT
EOF
touch NEWS README AUTHORS ChangeLog Makefile.am || die
eautoreconf
export LIBTOOL="${S}"/libtool
}
src_configure() {
econf $(use_enable static-libs static)
}
_emake() {
emake \
CC="$(tc-getCC)" \
AR="$(tc-getAR)" \
RANLIB="$(tc-getRANLIB)" \
IGNORE_SPEED=1 \
DESTDIR="${ED}" \
PREFIX="${EPREFIX}/usr" \
LIBPATH="/usr/$(get_libdir)" \
INCPATH="/usr/include" \
"$@"
}
src_compile() {
# Replace hard-coded libdir=${exec_prefix}/lib.
sed -i -e "/libdir=/s:/lib:/$(get_libdir):" libtommath.pc.in || die
_emake -f makefile.shared
}
src_test() {
# Tests must be built statically
# (i.e. without -f makefile.shared)
_emake test
./test || die
}
src_install() {
_emake -f makefile.shared install
if [[ ${CHOST} == *-darwin* ]] ; then
local path="usr/$(get_libdir)/libtommath.${PV}.dylib"
install_name_tool -id "${EPREFIX}/${path}" "${ED}/${path}" || die "Failed to adjust install_name"
fi
# We only link against -lc, so drop the .la file.
find "${ED}" -name '*.la' -delete || die
if ! use static-libs ; then
find "${ED}" -name "*.a" -delete || die
fi
dodoc changes.txt
use doc && dodoc doc/*.pdf
if use examples ; then
docinto demo
dodoc demo/*.c
fi
}
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