fix __SVR4

fix darwin cpp


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@504 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

configure

@@ -4430,6 +4430,10 @@ _ACEOF
         DO_SECOND_LD=""
 	SHLIB_LD="cc -bundle -flat_namespace -undefined suppress"
 	INSTALL_DLLS=""
+        if test "$CC" = "cc"
+        then
+          CC="cc -no-cpp-precomp"
+        fi
 	;;
       *netbsd*|*freebsd*)
 	if echo __ELF__ | ${CC:-cc} -E - | grep -q __ELF__