diff --git a/distrib/configure-bin.in b/distrib/configure-bin.in
index 516f120485982279ea97b7f22795133a3bc07a1d..60d4905070c917cebd4f7a69182a1b8a4d6f8a73 100644
--- a/distrib/configure-bin.in
+++ b/distrib/configure-bin.in
@@ -114,9 +114,9 @@ AC_PATH_PROG(SedCmd,sed)
 dnl ** How to invoke cpp directly **
 #
 AC_PROG_CC
-AC_HAVE_GCC
+FPTOOLS_HAVE_GCC
 AC_PROG_CPP
-AC_PROG_GNUCPP
+FPTOOLS_PROG_GNUCPP
 
 #
 AC_OUTPUT(Makefile)