mumble: fix PIE

See #4572

srcpkgs/mumble/template

@@ -1,7 +1,7 @@
 # Template file for 'mumble'
 pkgname=mumble
 version=1.2.16
-revision=1
+revision=2
 hostmakedepends="pkg-config"
 makedepends="
  libcap-devel Ice-devel protobuf-devel libXi-devel qt-devel libressl-devel
@@ -21,9 +21,13 @@ do_configure() {
 		CONFIG+="bundled-celt no-bundled-opus no-speechd no-bundled-speex no-g15 \
 			no-xevie pulseaudio no-embed-qt-translations no-update-packaged" \
 		DEFINES+="PLUGIN_PATH=/usr/lib/mumble" CXXFLAGS="$CXXFLAGS" LDFLAGS="$LDFLAGS"
+	# qmake-qt4 ignores CXXFLAGS and LDFLAGS thus patch the Makefiles
+	sed -i */Makefile* */*/Makefile* \
+		-e "s;^\(LFLAGS.*=.*\);& $LDFLAGS;" \
+		-e "s;^\(CXXFLAGS.*=.*\);& $CXXFLAGS;"
 }
 do_build() {
-	make release
+	make ${makejobs} release
 }
 do_install() {
 	vlicense LICENSE