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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit toolchain-funcs flag-o-matic versionator multilib
DESCRIPTION="C math library supporting IEEE 754 floating-point arithmetic"
HOMEPAGE="http://www.netlib.org/fdlibm"
SRC_URI="http://dev.gentoo.org/~bicatali/distfiles/${P}.tar.bz2"
LICENSE="freedist"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="static-libs"
static_to_shared() {
local libstatic=${1}; shift
local libname=$(basename ${libstatic%.a})
local soname=${libname}$(get_libname $(get_version_component_range 1-2))
local libdir=$(dirname ${libstatic})
einfo "Making ${soname} from ${libstatic}"
if [[ ${CHOST} == *-darwin* ]] ; then
${LINK:-$(tc-getCC)} ${LDFLAGS} \
-dynamiclib -install_name "${EPREFIX}"/usr/lib/"${soname}" \
-Wl,-all_load -Wl,${libstatic} \
"$@" -o ${libdir}/${soname} || die "${soname} failed"
else
${LINK:-$(tc-getCC)} ${LDFLAGS} \
-shared -Wl,-soname=${soname} \
-Wl,--whole-archive ${libstatic} -Wl,--no-whole-archive \
"$@" -o ${libdir}/${soname} || die "${soname} failed"
[[ $(get_version_component_count) -gt 1 ]] && \
ln -s ${soname} ${libdir}/${libname}$(get_libname $(get_major_version)) || die
ln -s ${soname} ${libdir}/${libname}$(get_libname) || die
fi
}
src_compile() {
append-cflags -D_IEEE_LIBM
emake CFLAGS="${CFLAGS} -fPIC" CC=$(tc-getCC)
mv libm.a lib${PN}.a || die
static_to_shared lib${PN}.a
if use static-libs; then
rm -f *.o || die
emake CFLAGS="${CFLAGS}" CC=$(tc-getCC)
mv libm.a lib${PN}.a || die
fi
}
src_install() {
dolib.so lib${PN}$(get_libname)*
use static-libs && dolib.a lib${PN}.a
doheader fdlibm.h
dodoc readme
}
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