diff --git a/make-rules/configure.mk b/make-rules/configure.mk
index 5a0e95f3996..adf2d415aea 100644
--- a/make-rules/configure.mk
+++ b/make-rules/configure.mk
@@ -79,8 +79,13 @@ CONFIGURE_ENV += PKG_CONFIG_PATH="$(PKG_CONFIG_PATH)"
 
 CONFIGURE_DEFAULT_DIRS?=yes
 
-#CONFIGURE_OPTIONS += CC="$(CC)"
-#CONFIGURE_OPTIONS += CXX="$(CXX)"
+CONFIGURE_OPTIONS += CC="$(CC)"
+CONFIGURE_OPTIONS += CXX="$(CXX)"
+CONFIGURE_OPTIONS += CFLAGS="$(CFLAGS)"
+CONFIGURE_OPTIONS += CXXFLAGS="$(CXXFLAGS)"
+CONFIGURE_OPTIONS += LDFLAGS="$(LDFLAGS)"
+CONFIGURE_OPTIONS += PKG_CONFIG_PATH="$(PKG_CONFIG_PATH)"
+
 CONFIGURE_OPTIONS += --prefix=$(CONFIGURE_PREFIX)
 ifeq ($(CONFIGURE_DEFAULT_DIRS),yes)
 CONFIGURE_OPTIONS += --mandir=$(CONFIGURE_MANDIR)