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# Copyright 2019-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# distcc is known to fail compiling boost and will fallback
# to local processing; Even when using distcc pump mode.
DISABLE_DISTCC=yes
create_user-config.jam() {
local user_config_jam="${S}"/user-config.jam
if [[ -s ${user_config_jam} ]]; then
return
fi
local compiler compiler_version compiler_executable="$(tc-getCXX)"
compiler="gcc"
compiler_version="$(gcc-version)"
cat > "${user_config_jam}" <<- __EOF__ || die
using ${compiler} : ${compiler_version} : ${compiler_executable} : <cflags>"${CFLAGS}" <cxxflags>"${CXXFLAGS}" <linkflags>"${LDFLAGS}" ;
__EOF__
# Boost.Build does not allow for disabling of numpy
# extensions, thereby leading to automagic numpy
# https://github.com/boostorg/python/issues/111#issuecomment-280447482
sed \
-e 's/\[ unless \[ python\.numpy \] : <build>no \]/<build>no/g' \
-i "${S}"/libs/python/build/Jamfile \
|| die
}
ejam() {
create_user-config.jam
local myargs=(
b2
"--user-config=${S}/user-config.jam"
--without-python
"$@"
)
gkexec "${myargs[*]}"
}
src_configure() {
# Workaround for too many parallel processes requested, bug #506064
[[ "$(makeopts_jobs)" -gt 64 ]] && MAKEOPTS="${MAKEOPTS} -j64"
OPTIONS=(
gentoorelease
"-j$(makeopts_jobs)"
-q
-d+2
pch=off
--disable-icu boost.locale.icu=off
--without-mpi
--without-locale
--without-context --without-coroutine --without-fiber
--without-stacktrace
--boost-build="${BROOT}"/usr/share/boost-build
--prefix="/usr"
--layout=system
--no-cmake-config
threading=multi
link=shared,static
# this seems to be the only way to disable compression algorithms
# https://www.boost.org/doc/libs/1_70_0/libs/iostreams/doc/installation.html#boost-build
-sNO_BZIP2=1
-sNO_LZMA=1
-sNO_ZLIB=1
-sNO_ZSTD=1
)
# bug 298489
if [[ "${CHOST}" == powerpc* ]]; then
[[ $(gcc-version) > 4.3 ]] && append-flags -mno-altivec
fi
# Use C++14 globally as of 1.62
append-cxxflags -std=c++14
}
src_compile() {
ejam "${OPTIONS[@]}" || die "Compilation of Boot libraries failed!"
}
src_install() {
ejam \
"${OPTIONS[@]}" \
--includedir="${D}/usr/include" \
--libdir="${D}/usr/lib" \
install || die "Installation of Boost libraries failed!"
}
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