# Contributor: Eric Molitor <eric@molitor.org>
# Contributor: Jakub Jirutka <jakub@jirutka.cz>
# Maintainer: Jakub Jirutka <jakub@jirutka.cz>
pkgname=llvm-libunwind
# Note: Update together with llvm.
pkgver=7.0.1
_pkgname=libunwind
_llvmver=${pkgver%%.*}
pkgrel=0
pkgdesc="LLVM version of libunwind library"
url="http://llvm.org/"
arch="aarch64 armhf armv7 ppc64le x86 x86_64"
license="BSD"
depends_dev="!libunwind-dev"
makedepends="cmake llvm$_llvmver-dev"
subpackages="$pkgname-dev"
source="https://releases.llvm.org/$pkgver/$_pkgname-$pkgver.src.tar.xz"
builddir="$srcdir/$_pkgname-$pkgver.src"
options="!check"

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

	local crossopts=''
	[ "$CBUILD" != "$CHOST" ] && crossopts="
		-DCMAKE_SYSTEM_NAME=Linux
		-DCMAKE_HOST_SYSTEM_NAME=Linux
		-DLIBUNWIND_SYSROOT=$CBUILDROOT"

	cmake .. \
		-DCMAKE_BUILD_TYPE=MinSizeRel \
		-DCMAKE_C_FLAGS_MINSIZEREL_INIT="$CFLAGS" \
		-DCMAKE_CXX_FLAGS_MINSIZEREL_INIT="$CXXFLAGS" \
		-DCMAKE_EXE_LINKER_FLAGS_MINSIZEREL_INIT="$LDFLAGS" \
		-DCMAKE_INSTALL_PREFIX=/usr \
		\
		-DLLVM_CONFIG_PATH="/usr/lib/llvm$_llvmver/bin/llvm-config" \
		-DLIBUNWIND_HAS_NODEFAULTLIBS_FLAG=OFF \
		$crossopts
	make
}

package() {
	cd "$builddir"
	make -C build install DESTDIR="$pkgdir"

	mkdir -p "$pkgdir"/usr/include
	cp include/*.h "$pkgdir"/usr/include/
}

sha512sums="e6203e77691c7039496da09e55d27a994a0e273ab0ef10df2f0b9345fead11d855413342a7ccc7b641c3f06053210a8822ba39e9f5b8624384bf1fa456deb969  libunwind-7.0.1.src.tar.xz"