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# Contributor: Eric Molitor <eric@molitor.org>
# Contributor: Jakub Jirutka <jakub@jirutka.cz>
# Maintainer: Rasmus Thomsen <oss@cogitri.dev>
pkgname=llvm-libunwind
# Note: Update together with llvm.
pkgver=9.0.1
_pkgname=libunwind
_llvmver=${pkgver%%.*}
pkgrel=0
pkgdesc="LLVM version of libunwind library"
url="https://llvm.org/"
arch="aarch64 armhf armv7 ppc64le x86 x86_64"
license="Apache-2.0"
depends_dev="!libunwind-dev"
makedepends="cmake llvm$_llvmver-dev"
subpackages="$pkgname-static $pkgname-dev"
source="https://github.com/llvm/llvm-project/releases/download/llvmorg-$pkgver/libunwind-$pkgver.src.tar.xz"
builddir="$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() {
	make -C build install DESTDIR="$pkgdir"

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

sha512sums="b54d2460454e61e4889f240fd1318799f9449dc6104349297ca0ca3c157257398e4d6bb589e9a30261fdfa93a1f7660111b8e1584ae980eb82c101b8d2bb225b  libunwind-9.0.1.src.tar.xz"