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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit cmake toolchain-funcs
DESCRIPTION="fast compiler cache"
HOMEPAGE="https://ccache.dev/"
SRC_URI="https://github.com/ccache/ccache/releases/download/v${PV}/ccache-${PV}.tar.xz"
LICENSE="GPL-3 LGPL-3"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
IUSE="test"
DEPEND=""
RDEPEND="${DEPEND}
dev-util/shadowman
sys-apps/gentoo-functions"
# clang-specific tests use dev-libs/elfutils to compare objects for equality.
# Let's pull in the dependency unconditionally.
DEPEND+="
test? ( dev-libs/elfutils )
"
BDEPEND="
app-text/asciidoc
"
RESTRICT="!test? ( test )"
DOCS=( doc/{AUTHORS,MANUAL,NEWS}.adoc CONTRIBUTING.md README.md )
PATCHES=(
"${FILESDIR}"/${PN}-3.5-nvcc-test.patch
"${FILESDIR}"/${PN}-4.0-objdump.patch
"${FILESDIR}"/${PN}-4.1-avoid-run-user.patch
"${FILESDIR}"/${PN}-4.1-atomic.patch
)
# ccache does not do it automatically. TODO: fix upstream
need_latomic() {
# test if -latomic is needed and helps. -latomic is needed
# at least on ppc32. Use bit of inodeCache.cpp test.
cat >"${T}"/a-test.cc <<-EOF
#include <atomic>
#include <cstdint>
std::atomic<std::int64_t> a;
int main() { return a.load() == 0; }
EOF
local cxx_cmd=(
$(tc-getCXX)
$CXXFLAGS
$LDFLAGS
"${T}"/a-test.cc
-o "${T}"/a-test
)
einfo "${cxx_cmd[@]}"
"${cxx_cmd[@]}" && return 1
einfo "Trying to add -latomic"
einfo "${cxx_cmd[@]}"
cxx_cmd+=(-latomic)
"${cxx_cmd[@]}" && return 0
return 1
}
src_prepare() {
cmake_src_prepare
sed \
-e "/^EPREFIX=/s:'':'${EPREFIX}':" \
"${FILESDIR}"/ccache-config-3 > ccache-config || die
# mainly used in tests
tc-export CC OBJDUMP
}
src_configure() {
local mycmakeargs=(
-DLINK_WITH_ATOMIC=$(need_latomic && echo YES || echo NO)
)
cmake_src_configure
}
src_install() {
# TODO: install manpage: https://github.com/ccache/ccache/issues/684
cmake_src_install
dobin ccache-config
insinto /usr/share/shadowman/tools
newins - ccache <<<"${EPREFIX}/usr/lib/ccache/bin"
}
pkg_prerm() {
if [[ -z ${REPLACED_BY_VERSION} && ${ROOT:-/} == / ]] ; then
eselect compiler-shadow remove ccache
fi
}
pkg_postinst() {
if [[ ${ROOT:-/} == / ]]; then
eselect compiler-shadow update ccache
fi
}
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