From b6209fa29c545d861400624dfae49dcc1ddda4bd Mon Sep 17 00:00:00 2001
From: Juan RP <xtraeme@gmail.com>
Date: Tue, 18 Jun 2013 15:12:13 +0200
Subject: [PATCH] llvm: cross build support.

---
 srcpkgs/llvm/template | 40 +++++++++++++++++++++++++++++++---------
 1 file changed, 31 insertions(+), 9 deletions(-)

diff --git a/srcpkgs/llvm/template b/srcpkgs/llvm/template
index 1d9fc89fa86..3dc164dc1d6 100644
--- a/srcpkgs/llvm/template
+++ b/srcpkgs/llvm/template
@@ -3,11 +3,9 @@ pkgname=llvm
 version=3.3
 wrksrc="llvm-${version}.src"
 revision=4
-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 --enable-experimental-targets=R600"
+ --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"
@@ -37,14 +35,33 @@ post_extract() {
 	fi
 }
 
-pre_configure() {
+do_configure() {
+	if [ "$CROSS_BUILD" ]; then
+		unset CC CXX CPP AR AS RANLIB CFLAGS LDFLAGS CPPFLAGS
+	fi
+	# Don't let llvm strip bins.
+	sed -e '/.Install.StripFlag += -s/d' -i Makefile.rules
+
 	# Fix installation directories, ./configure doesn't seem to set them right
 	sed -i -e 's:\$(PROJ_prefix)/etc/llvm:/etc/llvm:' \
 		-e 's:\$(PROJ_prefix)/docs/llvm:$(PROJ_prefix)/share/doc/llvm:' \
 		Makefile.config.in
+
+	mkdir build
+	cd build
+	../configure ${configure_args}
 }
 
-post_install() {
+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
  
@@ -52,13 +69,18 @@ post_install() {
 	rm ${DESTDIR}/usr/lib/*LLVMHello.*
 
 	# Required for multilib.
-	if [ "$XBPS_MACHINE" = "x86_64" ]; then
+	if [ "$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() {
@@ -83,7 +105,7 @@ clang-analyzer_package() {
 
 clang_package() {
 	depends="libstdc++-devel binutils gcc"
-	short_desc="Low-Level Virtual Machine (LLVM) -- C language family frontend"
+	short_desc+=" - C language family frontend"
 	homepage="http://clang.llvm.org/"
 	pkg_install() {
 		vmove usr/include/clang
@@ -97,7 +119,7 @@ clang_package() {
 
 llvm-docs_package() {
 	noarch=yes
-	short_desc+="  - documentation files"
+	short_desc+=" - documentation files"
 	pkg_install() {
 		vmove usr/share/doc
 	}