Add -fno-builtin when compiling with gcc in relay32/ subdir.

diff --git a/configure b/configure
index 771df1e..6b9d723 100755
--- a/configure
+++ b/configure
@@ -4511,6 +4511,13 @@
 
 fi
 
+GCC_NO_BUILTIN=""
+if test "$GCC" = "yes"
+then
+    GCC_NO_BUILTIN="-fno-builtin"
+fi
+
+
 
 MAKE_RULES=Make.rules
 
@@ -4738,6 +4745,7 @@
 s%@XLIB@%$XLIB%g
 s%@DLLFLAGS@%$DLLFLAGS%g
 s%@LDSHARED@%$LDSHARED%g
+s%@GCC_NO_BUILTIN@%$GCC_NO_BUILTIN%g
 /@MAKE_RULES@/r $MAKE_RULES
 s%@MAKE_RULES@%%g