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# Copyright 2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit cmake-utils llvm
DESCRIPTION="A robust, optimal, and maintainable programming language"
HOMEPAGE="https://ziglang.org/"
LICENSE="MIT"
SLOT="0"
IUSE="+experimental"
if [[ ${PV} == 9999 ]]; then
EGIT_REPO_URI="https://github.com/ziglang/zig.git"
inherit git-r3
else
SRC_URI="https://github.com/ziglang/zig/archive/${PV}.tar.gz -> ${P}.tar.gz"
KEYWORDS="~amd64"
fi
ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430 NVPTX
PowerPC Sparc SystemZ WebAssembly X86 XCore )
ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
# According to zig's author, zig builds that do not support all targets are not
# supported by the upstream project.
LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]}
RDEPEND="
sys-devel/llvm:9
!experimental? ( sys-devel/llvm:9[${LLVM_TARGET_USEDEPS// /,}] )
sys-devel/clang:9
"
DEPEND="${RDEPEND}"
LLVM_MAX_SLOT=9
llvm_check_deps() {
has_version "sys-devel/clang:${LLVM_SLOT}"
}
src_prepare() {
if use experimental; then
sed -i '/^NEED_TARGET(/d' cmake/Findllvm.cmake || die "unable to modify cmake/Findllvm.cmake"
fi
sed -i 's/--prefix "${CMAKE_INSTALL_PREFIX}"/--prefix ".\/${CMAKE_INSTALL_PREFIX}"/' CMakeLists.txt || \
die "unable to fix install path"
cmake-utils_src_prepare
}
src_configure() {
local mycmakeargs=(
-DCLANG_INCLUDE_DIRS="$(llvm-config --includedir)"
-DCLANG_LIBDIRS="$(llvm-config --libdir)"
)
cmake-utils_src_configure
}
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