gcc: Specify target languages the right way.

There are no CONFIG_INSTALL_* vars in the SDK anymore.

Signed-off-by: Christian Beier <dontmind@freeshell.org>

devel/gcc/Makefile

@@ -23,8 +23,7 @@ PKG_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/package.mk
 
-SEP:=,
-TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
+TARGET_LANGUAGES:="c,c++"
 
 define Package/gcc
   SECTION:=devel