# Contributor Travis Tilley <ttilley@gmail.com>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=clang
pkgver=3.8.1
pkgrel=1
pkgdesc="A C language family front-end for LLVM"
arch="all"
url="http://llvm.org/"
license="UOI-NCSA"
depends=""
depends_dev=""
makedepends="$depends_dev
	cmake
	isl-dev
	libxml2-dev
	libxml2-utils
	llvm-dev llvm llvm-static
	make
	paxmark
	python2
	"
install=
subpackages="$pkgname-dev $pkgname-doc $pkgname-libs $pkgname-analyzer"
source="
	http://llvm.org/releases/$pkgver/cfe-$pkgver.src.tar.xz

	clang-0001-Add-Alpine-Linux-distro.patch
	clang-0002-Use-z-relro-on-Alpine-Linux.patch
	clang-0003-Use-hash-style-gnu-for-Alpine-Linux.patch
	clang-0004-Add-musl-targets-and-dynamic-linker.patch
	clang-0005-Enable-PIE-by-default-for-alpine-linux.patch
	clang-0006-Link-with-z-now-by-default-for-Alpine-Linux.patch
	clang-0007-Enable-stack-protector-by-default-for-alpine-linux.patch
	"


_builddir="$srcdir"/build
#	-DLINK_POLLY_INTO_TOOLS=YES \
#	-DPOLLY_ENABLE_GPGPU_CODEGEN=NO \
#	-DWITH_POLLY=YES \


_builddir="$srcdir"/build
_srcdir="$srcdir"/cfe-$pkgver.src

prepare() {
	msg "Patching clang..."
	cd "$_srcdir" || return 1
	for i in $source; do
		case $i in
		*.patch)
			msg "Applying $i..."
			patch -s -p1 -N -i "$srcdir"/$i || return 1
			;;
		esac
	done
}

build() {
	mkdir -p "$_builddir"
	cd "$_builddir"
	cmake -G "Unix Makefiles" -Wno-dev \
		-DCLANG_PLUGIN_SUPPORT=YES \
		-DCMAKE_BUILD_TYPE=Release \
		-DCMAKE_INSTALL_PREFIX=/usr \
		-DCMAKE_VERBOSE_MAKEFILE=NO \
		-DCLANG_INCLUDE_DOCS:BOOL=ON \
		-DCLANG_INCLUDE_TESTS:BOOL=ON \
		-DCLANG_BUILD_EXAMPLES:BOOL=OFF \
		-DLIBCLANG_BUILD_STATIC:BOOL=ON \
		"${_srcdir}" || return 1
#		-DLLVM_LINK_LLVM_DYLIB:BOOL=ON \

	make clang-tblgen || return 1
	make || return 1

	case "$CARCH" in
	arm*)
		# ARM has few failures in test suite
		# that we don't care about currently
		;;
	*)
		# needs lit.py from llvm source tree
		# make check-clang	|| return 1
		;;
	esac
}

package() {
	cd "$_builddir"
	make DESTDIR="$pkgdir" install || return 1
	install lib/libclang.a "$pkgdir"/usr/lib || return 1
}

static() {
	pkgdesc="static libraries for clang"
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/*.a "$subpkgdir"/usr/lib/
}

#clang_libs() {
#	pkgdesc="Runtime library for clang"
#	mkdir -p "$subpkgdir"/usr/lib/
#	mv "$pkgdir"/usr/lib/libclang*.so.* \
#		"$pkgdir"/usr/lib/libclang*.so \
#		"$subpkgdir"/usr/lib/
#}

clang() {
	pkgdesc="A C language family front-end for LLVM"

	mkdir -p "$subpkgdir"/usr/bin \
		"$subpkgdir"/usr/lib \
		"$subpkgdir"/usr/share \
		"$subpkgdir"/usr/include \
		|| return 1
	mv "$pkgdir"/usr/bin/*clang* \
		"$pkgdir"/usr/bin/c-index-test \
		"$subpkgdir"/usr/bin/ || return 1
	mv "$pkgdir"/usr/lib/clang \
		"$pkgdir"/usr/lib/libclang* \
		"$subpkgdir"/usr/lib/ || return 1
	mv "$pkgdir"/usr/include/clang "$pkgdir"/usr/include/clang-c \
		"$subpkgdir"/usr/include/ || return 1
	mv "$pkgdir"/usr/share/clang "$subpkgdir"/usr/share/ || return 1
}

analyzer() {
	pkgdesc="clang source code analysis framework"
	depends="python2"
	mkdir -p "$subpkgdir"/usr/bin \
		"$subpkgdir"/usr/libexec \
		"$subpkgdir"/usr/share/ \
		|| return 1
	mv "$pkgdir"/usr/bin/scan-* \
		"$subpkgdir"/usr/bin/ || return 1
	mv "$pkgdir"/usr/libexec/*-analyzer \
		"$subpkgdir"/usr/libexec/ || return 1
	mv "$pkgdir"/usr/share/scan-* \
		"$subpkgdir"/usr/share/ || return 1
}

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4f1454992cf8aab70ac5eff62e6ea883  clang-0001-Add-Alpine-Linux-distro.patch
4c6531bed2dbfa945b761aa371e86b9a  clang-0002-Use-z-relro-on-Alpine-Linux.patch
8e866582b4ee7f7d282e49ab43d2b511  clang-0003-Use-hash-style-gnu-for-Alpine-Linux.patch
31084621d11fe722acc41d4e0d7e340f  clang-0004-Add-musl-targets-and-dynamic-linker.patch
636b294bc8af983f1fd5084df48dad00  clang-0005-Enable-PIE-by-default-for-alpine-linux.patch
227884842639a3862aff22d9a7af1740  clang-0006-Link-with-z-now-by-default-for-Alpine-Linux.patch
6daf6d90da9561818098922101af09f4  clang-0007-Enable-stack-protector-by-default-for-alpine-linux.patch"
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3f7f3c7d185420707dc7572603b963ca5ec5a0425d1f7f53473948d9fb7f149b  clang-0002-Use-z-relro-on-Alpine-Linux.patch
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