# Contributor Travis Tilley <ttilley@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=compiler-rt
# Note: Update together with llvm.
pkgver=7.0.1
pkgrel=0
_llvmver=${pkgver%%.*}
pkgdesc="LLVM compiler-rt runtime libraries"
arch="aarch64 x86 x86_64"
url="https://llvm.org/"
license="NCSA"
makedepends="
	cmake
	linux-headers
	clang
	llvm-dev>=$_llvmver
	llvm-static>=$_llvmver
	ninja
	python3
	"
checkdepends="llvm-test-utils>=$_llvmver"
source="https://releases.llvm.org/$pkgver/$pkgname-$pkgver.src.tar.xz
	disable-sanitizers.patch"
builddir="$srcdir/$pkgname-$pkgver.src"

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

	# compiler-rt uses llvm intrinsic types for testing
	# and therefore requires clang
	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" \
		-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 || true # FIXME: figure out why tests fails
}

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="b94a2a1fb9a6d587cef59b04b951628747bb35bdbcb67de8825aad402a2ba875916a347eef7a9575ac27264e8372e2d67cd477fe2d750c0ed3ce7d67bbbc7dba  compiler-rt-7.0.1.src.tar.xz
9d07c71cd9d3d827ae0663c971ca07f3034499d01013de2c68be2d0905b92a40da309247602bd45328c2e4cb6db382952724e56301330ab128e6a80a89fbb676  disable-sanitizers.patch"