https://sourceforge.net/p/yap/yap-6.3/ci/da61f1c31fed

--- configure.orig	2013-01-19 11:48:08 UTC
+++ configure
@@ -5169,7 +5169,7 @@ then
        C_PARSER_FLAGS="-O3 -Wall -Wstrict-prototypes -Wmissing-prototypes $CFLAGS"
        CFLAGS="-O3 -fomit-frame-pointer -Wall -Wstrict-prototypes -Wmissing-prototypes $CFLAGS"
        case "`$CC --version < /dev/null`" in
-	  *3.4*) CFLAGS="-fno-gcse -fno-crossjumping $CFLAGS" ;;
+	  gcc-3.4*) CFLAGS="-fno-gcse -fno-crossjumping $CFLAGS" ;;
        esac
        case "$target_cpu" in
         i*86*)
