diff --git a/contrib/crossrpms/rtems/Makefile.am b/contrib/crossrpms/rtems/Makefile.am
index 91ad937afc..07226466a9 100644
--- a/contrib/crossrpms/rtems/Makefile.am
+++ b/contrib/crossrpms/rtems/Makefile.am
@@ -49,6 +49,8 @@ GCC_SUBPACKAGES += $(top_builddir)/common/clean.add
 GCC_SUBPACKAGES += ../gcc/target-gcc.add
 GCC_SUBPACKAGES += ../gcc/base-gcc.add
 GCC_SUBPACKAGES += ../gcc/target-c++.add
+GCC_SUBPACKAGES += ../gcc/base-libc.add
+GCC_SUBPACKAGES += ../gcc/target-libc.add
 
 $(TARGET)-gcc.spec.in: $(GCC_SUBPACKAGES) Makefile.am gcc-sources.add
 	cat $(GCC_SUBPACKAGES) | sed \