ports/llvm: Add support for pthread_setname_np and cpu count

Also package the llvm into the format mesa expects. This was kinda
tedious to always do manually

ports/llvm/build.sh

@@ -29,6 +29,17 @@ build() {
 
 install() {
 	# This port only contains llvm libraries used optionally by
-	# mesa port. There is no need to install and fill the disk :D
-	:
+	# mesa port. There is no need to install to sysroot :D
+
+	local pkg_dir="../llvm-banan_os-$VERSION-$BANAN_ARCH"
+
+	rm -rf "$pkg_dir"
+
+	mkdir -p "$pkg_dir/include" || exit 1
+	cp -r 'llvm/include/llvm'   "$pkg_dir/include/" || exit 1
+	cp -r 'llvm/include/llvm-c' "$pkg_dir/include/" || exit 1
+	cp -r 'build/include/llvm'  "$pkg_dir/include/" || exit 1
+
+	mkdir -p "$pkg_dir/lib" || exit 1
+	cp 'build/lib/'*.a "$pkg_dir/lib/" || exit 1
 }