# Template file for 'llvm'
pkgname=llvm
version=3.3
wrksrc="llvm-${version}.src"
revision=4
configure_args="--disable-expensive-checks --disable-debug-runtime
 --enable-bindings=none --enable-optimize --enable-shared --enable-libffi
 --enable-llvmc-dynamic --disable-assertions --enable-experimental-targets=R600"
short_desc="Low Level Virtual Machine"
maintainer="Juan RP <xtraeme@gmail.com>"
homepage="http://www.llvm.org"
license="BSD"
distfiles="
 http://www.llvm.org/releases/${version}/llvm-${version}.src.tar.gz
 http://www.llvm.org/releases/${version}/cfe-${version}.src.tar.gz
 http://www.llvm.org/releases/${version}/compiler-rt-${version}.src.tar.gz"
checksum="
 68766b1e70d05a25e2f502e997a3cb3937187a3296595cf6e0977d5cd6727578
 b1b55de4ab3a57d3e0331a83e0284610191c77d924e3446498d9113d08dfb996
 0e2f3180d6316e6c43f064fdd406c5c6515e682c5f31c57c28335b68c7525423"

# XXX Investigate ocaml bindings.
hostmakedepends="groff bsdtar perl python"
makedepends="zlib-devel libffi-devel"

post_extract() {
	# Move clang files into the llvm source.
	if [ -d ${XBPS_BUILDDIR}/cfe-${version}.src ]; then
		mv ${XBPS_BUILDDIR}/cfe-${version}.src ${wrksrc}/tools/clang
	fi
	# 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
}

do_configure() {
	unset CC CXX CPP AR AS RANLIB CFLAGS LDFLAGS CPPFLAGS

	# Don't let llvm strip bins.
	sed -e '/Install.StripFlag += -s/d' -i Makefile.rules

	# 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)/docs/llvm:$(PROJ_prefix)/share/doc/llvm:' \
		Makefile.config.in

	mkdir build
	cd build
	../configure ${configure_args}
}

do_build() {
	unset CC CXX CPP AR AS RANLIB CFLAGS LDFLAGS CPPFLAGS

	cd build
	make ${makejobs}
}

do_install() {
	cd build
	make DESTDIR=${DESTDIR} install

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

	# Required for multilib.
	if [ "$XBPS_TARGET_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

	# Remove llvm-config-host in cross builds.
	if [ "$CROSS_BUILD" ]; then
		rm -f ${DESTDIR}/usr/bin/llvm-config-host
	fi
}

clang-analyzer_package() {
	noarch=yes
	pycompile_dirs="usr/lib/clang-analyzer"
	depends="clang-${version}_${revision} python"
	short_desc="Low-Level Virtual Machine (LLVM) - A source code analysis framework"
	homepage="http://clang-analyzer.llvm.org/"
	pkg_install() {
		install -d ${PKGDESTDIR}/usr/bin
		install -d ${PKGDESTDIR}/usr/lib/clang-analyzer

		for f in build view; do
			cp -r ${wrksrc}/tools/clang/tools/scan-${f} ${PKGDESTDIR}/usr/lib/clang-analyzer
			cd ${PKGDESTDIR}/usr/bin
			ln -s ../lib/${pkgname}/scan-${f}/scan-${f} scan-${f}
		done

		ln -sf /usr/bin/clang ${PKGDESTDIR}/usr/lib/${pkgname}/scan-build
	}
}

clang_package() {
	depends="libstdc++-devel binutils gcc"
	short_desc+=" - C language family frontend"
	homepage="http://clang.llvm.org/"
	pkg_install() {
		vmove usr/include/clang
		vmove "usr/bin/*clang*"
		vmove usr/bin/c-index-test
		vmove usr/lib/clang
		vmove "usr/lib/libclang*"
		vmove "usr/share/man/man1/*clang*"
	}
}

llvm-docs_package() {
	noarch=yes
	short_desc+=" - documentation files"
	pkg_install() {
		vmove usr/share/doc
	}
}

libllvm_package() {
	short_desc+=" - runtime library"
	replaces="llvm>3.2<3.3_4"
	pkg_install() {
		vmove usr/lib/libLLVM-${version}.so
	}
}