--- rpl/configure.ac	2012/08/22 10:47:13	1.42
+++ rpl/configure.ac	2012/10/01 09:34:53	1.43
@@ -36,6 +36,10 @@ CC=gcc-$with_gcc_version
 CXX=g++-$with_gcc_version
 CF=gfortran-$with_gcc_version
 F77=gfortran-$with_gcc_version
+AC_SUBST(CC)
+AC_SUBST(CXX)
+AC_SUBST(CF)
+AC_SUBST(F77)
 ],[])
 
 dnl Checks for Bash