add EXTRA_CFLAGS variable support

SVN-Revision: 6459

include/package.mk

@@ -307,9 +307,9 @@ TARGET_CPPFLAGS=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 TARGET_LDFLAGS=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 CONFIGURE_VARS:= \
 		$(TARGET_CONFIGURE_OPTS) \
-		CFLAGS="$(TARGET_CFLAGS)" \
-		CXXFLAGS="$(TARGET_CFLAGS)" \
-		CPPFLAGS="$(TARGET_CPPFLAGS)" \
+		CFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \
+		CXXFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \
+		CPPFLAGS="$(TARGET_CPPFLAGS) $(EXTRA_CPPFLAGS)" \
 		LDFLAGS="$(TARGET_LDFLAGS)" \
 		PKG_CONFIG_PATH="$(STAGING_DIR)/usr/lib/pkgconfig" \
 		PKG_CONFIG_LIBDIR="$(STAGING_DIR)/usr/lib/pkgconfig"
@@ -333,8 +333,8 @@ define Build/Configure
 endef
 
 MAKE_VARS := \
-	CFLAGS="$(TARGET_CFLAGS)" \
-	CXXFLAGS="$(TARGET_CFLAGS) " \
+	CFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \
+	CXXFLAGS="$(TARGET_CFLAGS) $(EXTRA_CFLAGS)" \
 	LDFLAGS="$(EXTRA_LDFLAGS) "
 
 MAKE_FLAGS := \