tbb: fix musl+cross

srcpkgs/tbb/template

@@ -1,11 +1,10 @@
 # Template file for 'tbb'
 pkgname=tbb
 version=4.4.20150728
-revision=1
+revision=2
 _lv="${version%.*}"
 _lv="${_lv//.}"
 _rv="${version##*.}"
-only_for_archs="i686 x86_64"
 wrksrc="$pkgname${_lv}_${_rv}oss"
 build_style=gnu-makefile
 short_desc="Intel Threading Building Blocks"
@@ -15,6 +14,21 @@ homepage="http://www.threadingbuildingblocks.org"
 distfiles="https://www.threadingbuildingblocks.org/sites/default/files/software_releases/source/tbb${_lv}_${_rv}oss_src.tgz"
 checksum=e9534f3238e6f7b34f9d0a78cb8604da1c5a611c5a2569fdd9cc90e06339538a
 
+post_extract() {
+	sed -i 's|CPLUS = g..|CPLUS = $(CXX)|g' build/linux.gcc.inc
+	sed -i 's|CONLY = gcc|CONLY = $(CC)|g' build/linux.gcc.inc
+	if [ "$CROSS_BUILD" ]; then
+		sed -i '/-m64/d' build/linux.gcc.inc
+		sed -i '/-mrtm/d' build/linux.gcc.inc
+	fi
+	case "$XBPS_TARGET_MACHINE" in
+		*-musl)
+			sed -e "s@#define MALLOC_UNIXLIKE_OVERLOAD_ENABLED __linux__@@" \
+			  -i src/tbbmalloc/proxy.h
+		;;
+	esac
+}
+
 do_install() {
 	vmkdir usr/lib
 	vcopy build/linux_*/*.so* usr/lib