# Template file for 'llvm'
pkgname=llvm
version=3.2
wrksrc="llvm-${version}.src"
revision=3
build_style=gnu-configure
configure_args="--disable-expensive-checks --disable-debug-runtime
 --enable-targets=all --enable-bindings=none --enable-optimize
 --enable-shared --enable-libffi --enable-llvmc-dynamic
 --disable-assertions --libdir=/usr/lib/llvm"
short_desc="Low Level Virtual Machine"
maintainer="Juan RP <xtraeme@gmail.com>"
homepage="http://www.llvm.org"
license="BSD"
distfiles="
 http://www.llvm.org/releases/${version}/llvm-${version}.src.tar.gz
 http://www.llvm.org/releases/${version}/clang-${version}.src.tar.gz
 http://dev.archlinux.org/~foutrelis/sources/compiler-rt/compiler-rt-${version}.src.tar.xz"
checksum="
 125090c4d26740f1d5e9838477c931ed7d9ad70d599ba265f46f3a42cb066343
 2aaaf03f7c0f6b16fe97ecc81247dc2bf2d4bec7620a77cc74670b7e07ff5658 
 a9a6b73a1bd5fc763f3b3826a6ce796cb150042d37d319e06e72d3d9778aaac1"

# Do not build huge debug pkgs.
disable_debug=yes

# XXX gzip compressed wtf?!!
skip_extraction="compiler-rt-${version}.src.tar.xz"

# XXX Investigate ocaml bindings.
subpackages="clang-analyzer clang llvm-docs"
makedepends="groff bsdtar perl python libffi-devel"

post_extract() {
	# Move clang files into the llvm source.
	if [ -d ${XBPS_BUILDDIR}/clang-${version}.src ]; then
		mv ${XBPS_BUILDDIR}/clang-${version}.src ${wrksrc}/tools/clang
	fi
	# XXX unpack with bsdtar due to being gzip compressed!
	bsdtar xf ${XBPS_SRCDISTDIR}/compiler-rt-${version}.src.tar.xz -C ${XBPS_BUILDDIR}
	# Move compiler-rt files into the llvm source.
	if [ -d ${XBPS_BUILDDIR}/compiler-rt-${version}.src ]; then
		mv ${XBPS_BUILDDIR}/compiler-rt-${version}.src \
			${wrksrc}/projects/compiler-rt
	fi
}

pre_configure() {
	# Fix installation directories, ./configure doesn't seem to set them right
	sed -i -e 's:\$(PROJ_prefix)/etc/llvm:/etc/llvm:' \
		-e 's:\$(PROJ_prefix)/lib:$(PROJ_prefix)/lib/llvm:' \
		-e 's:\$(PROJ_prefix)/docs/llvm:$(PROJ_prefix)/share/doc/llvm:' \
		Makefile.config.in
	sed -i '/ActiveLibDir = ActivePrefix/s:lib:lib/llvm:' \
		tools/llvm-config/llvm-config.cpp
	sed -i 's:LLVM_LIBDIR="${prefix}/lib":LLVM_LIBDIR="${prefix}/lib/llvm":' \
		autoconf/configure.ac configure

	# Drop "svn" suffix from version string
	sed -i 's/3\.2svn/3.2/g' configure
}

post_install() {
	# Fix permissions of static libs
	chmod -x ${DESTDIR}/usr/lib/llvm/*.a
 
	# Get rid of example Hello transformation
	rm ${DESTDIR}/usr/lib/llvm/*LLVMHello.*

	# Add ld.so.conf.d entry
	vmkdir etc/ld.so.conf.d
	echo /usr/lib/llvm > ${DESTDIR}/etc/ld.so.conf.d/llvm.conf

	# Required for multilib.
	if [ "$XBPS_MACHINE" = "x86_64" ]; then
		for _header in config llvm-config; do
			mv ${DESTDIR}/usr/include/llvm/Config/${_header}{,-64}.h
			vinstall ${FILESDIR}/llvm-Config-${_header}.h 644 \
				usr/include/llvm/Config ${_header}.h
		done
	fi
}