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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python{3_7,3_8,3_9} )
CMAKE_ECLASS=cmake
inherit cmake-multilib python-any-r1
DESCRIPTION="Collection of tools, libraries and tests for shader compilation"
HOMEPAGE="https://github.com/google/shaderc"
EGIT_COMMIT="4089217d30c1f035c44a08255b875b5fea4f4bc5"
SRC_URI="https://github.com/google/${PN}/archive/${EGIT_COMMIT}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/${PN}-${EGIT_COMMIT}"
LICENSE="Apache-2.0"
SLOT="0"
KEYWORDS="amd64 ppc64 x86"
IUSE="doc test"
RDEPEND="
>=dev-util/glslang-10.11.0.0_pre20201216[${MULTILIB_USEDEP}]
>=dev-util/spirv-tools-2020.6[${MULTILIB_USEDEP}]
"
DEPEND="${RDEPEND}
${PYTHON_DEPS}
>=dev-util/spirv-headers-1.5.4.1
doc? ( dev-ruby/asciidoctor )
test? (
dev-cpp/gtest
$(python_gen_any_dep 'dev-python/nose[${PYTHON_USEDEP}]')
)
"
PATCHES=(
"${FILESDIR}"/${PN}-2020.4-fix-build.patch
)
# https://github.com/google/shaderc/issues/470
RESTRICT=test
python_check_deps() {
if use test; then
has_version --host-root "dev-python/nose[${PYTHON_USEDEP}]"
fi
}
src_prepare() {
cmake_comment_add_subdirectory examples
# Unbundle glslang, spirv-headers, spirv-tools
cmake_comment_add_subdirectory third_party
sed -i \
-e "s|\$<TARGET_FILE:spirv-dis>|${EPREFIX}/usr/bin/spirv-dis|" \
glslc/test/CMakeLists.txt || die
# Disable git versioning
sed -i -e '/build-version/d' glslc/CMakeLists.txt || die
# Manually create build-version.inc as we disabled git versioning
cat <<- EOF > glslc/src/build-version.inc || die
"${P}\n"
"$(best_version dev-util/spirv-tools)\n"
"$(best_version dev-util/glslang)\n"
EOF
cmake_src_prepare
}
multilib_src_configure() {
local mycmakeargs=(
-DSHADERC_SKIP_TESTS="$(usex !test)"
-DSHADERC_ENABLE_WERROR_COMPILE="false"
)
cmake_src_configure
}
multilib_src_compile() {
if multilib_is_native_abi && use doc; then
cmake_src_make glslc_doc_README
fi
cmake_src_compile
}
multilib_src_install() {
if multilib_is_native_abi; then
use doc && local HTML_DOCS=( "${BUILD_DIR}/glslc/README.html" )
fi
cmake_src_install
}
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