configure: right test for AFLFUZZ_PERSISTANT_MODE

6 years ago · e15f3db474
parent 66181ed2e4
commit e15f3db474
1 changed files with 3 additions and 0 deletions
--- a/configure.ac
+++ b/configure.ac
@ -465,9 +465,12 @@
    AC_PROG_CXX
    AS_IF([test "x$enable_fuzztargets" = "xyes"], [
        AC_DEFINE([AFLFUZZ_NO_RANDOM], [1], [Disable all use of random functions])
+        CFLAGS_ORIG=$CFLAGS
+        CFLAGS="-Werror"
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[while (__AFL_LOOP(1000))]])],
                [AC_DEFINE([AFLFUZZ_PERSISTANT_MODE], [1], [Enable AFL PERSISTANT_MODE])],
                [])
+        CFLAGS=$CFLAGS_ORIG
        AC_LANG_PUSH(C++)
        tmp_saved_flags=$[]_AC_LANG_PREFIX[]FLAGS
        AS_IF([test "x$LIB_FUZZING_ENGINE" = "x"], [