# Contributor Travis Tilley <ttilley@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=compiler-rt
# Note: Update together with llvm.
pkgver=9.0.0
pkgrel=0
_llvmver=${pkgver%%.*}
pkgdesc="LLVM compiler-rt runtime libraries"
arch="aarch64 armv7 x86 x86_64"
url="https://llvm.org/"
license="Apache-2.0"
makedepends="
	cmake
	linux-headers
	clang
	llvm-dev>=$_llvmver
	llvm-static>=$_llvmver
	ninja
	python3
	"
checkdepends="gtest-dev llvm-test-utils>=$_llvmver"
subpackages="$pkgname-static"
options="!check" # Doesn't seem to work with linux ld: /lib/ld-musl-x86_64.so.1: cannot load --version: No such file or directory
source="https://releases.llvm.org/$pkgver/compiler-rt-$pkgver.src.tar.xz
	https://releases.llvm.org/$pkgver/llvm-$pkgver.src.tar.xz"
builddir="$srcdir/$pkgname-$pkgver.src"

build() {
	mkdir -p "$builddir"/build
	cd "$builddir"/build

	# compiler-rt uses llvm intrinsic types for testing
	# and therefore requires clang
	# It also needs LLVM source for testing purposes
	cmake .. \
		-DCMAKE_C_COMPILER=clang \
		-DCMAKE_CXX_COMPILER=clang++ \
		-DCMAKE_BUILD_TYPE=MinSizeRel \
		-DCMAKE_C_FLAGS_MINSIZEREL_INIT="$CFLAGS" \
		-DCMAKE_CXX_FLAGS_MINSIZEREL_INIT="$CXXFLAGS" \
		-DCMAKE_EXE_LINKER_FLAGS_MINSIZEREL_INIT="$LDFLAGS" \
		-DCMAKE_INSTALL_PREFIX=/usr \
		-DCOMPILER_RT_INCLUDE_TESTS=ON \
		-DCOMPILER_RT_BUILD_SANITIZERS=OFF \
		-DCOMPILER_RT_BUILD_XRAY=OFF \
		-DLLVM_EXTERNAL_LIT="/usr/bin/lit" \
		-DLLVM_MAIN_SRC_DIR="$srcdir/llvm-$pkgver.src" \
		-G Ninja
	ninja
}

check() {
	cd "$builddir"/build
	# remove test that does not work with PaX kernel
	rm ../test/builtins/Unit/enable_execute_stack_test.c \
		../test/builtins/Unit/clear_cache_test.c
	ninja check-compiler-rt
}

package() {
	cd "$builddir"/build

	DESTDIR="$pkgdir" ninja install

	cd "$pkgdir"

	mkdir -p usr/lib/clang
	case "$CARCH" in
		ppc64le | s390x) ;;
		*) mv usr/lib/linux usr/lib/clang/$pkgver;;
	esac
}

sha512sums="a7bb0a67165d29317cee58c22ed79f0d6a9cb9279dcd355d4267f3cd6c531a7be455a28267c591d6e2c0f9c56e363d40c10a405391e07d02ab3e30f00ffef2a8  compiler-rt-9.0.0.src.tar.xz
1bb3341e1d231559b948f1505b33c2e2e03989f9b8bbfef0e0cdaff5ac43f85574c9ec5ac53399b914f497d6899425d861411024e8d7e1d1a338c1c6951ac658  llvm-9.0.0.src.tar.xz"