Allow glib2, dbus, and bluez to build in parallel

Signed-off-by: Kevin Mehall <km@kevinmehall.net>

libs/glib2/Makefile

@@ -16,6 +16,8 @@ PKG_BUILD_DIR:=$(BUILD_DIR)/glib-$(PKG_VERSION)
 PKG_SOURCE_URL:=@GNOME/glib/2.43
 PKG_MD5SUM:=2f28879252c660a65aa3139ec499776b
 
+PKG_BUILD_PARALLEL:=1
+HOST_BUILD_PARALLEL:=1
 PKG_BUILD_DEPENDS:=glib2/host libpthread zlib libintl libffi
 HOST_BUILD_DEPENDS:=libintl/host libiconv/host libffi/host
 PKG_INSTALL:=1

utils/bluez/Makefile

@@ -19,6 +19,7 @@ PKG_LICENSE:=GPL-2.0+
 PKG_LICENSE_FILES:=COPYING
 PKG_MAINTAINER:=Nicolas Thill <nico@openwrt.org>
 
+PKG_BUILD_PARALLEL:=1
 PKG_INSTALL:=1
 
 include $(INCLUDE_DIR)/package.mk

utils/dbus/Makefile

@@ -18,6 +18,7 @@ PKG_MD5SUM:=32cd0d16067422bfd691e2f647b432b0
 PKG_MAINTAINER:=Steven Barth <cyrus@openwrt.org>
 PKG_LICENSE:=AFL-2.1
 
+PKG_BUILD_PARALLEL:=1
 PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1