configure: Fix clang detection when configuring --with-fuzzers
diff --git a/configure.ac b/configure.ac
index d1b1f62..c679151 100644
--- a/configure.ac
+++ b/configure.ac
@@ -272,9 +272,14 @@
fi
if test "x$build_fuzzers" = "xyes"; then
- if test "$CXX" != "clang++"; then
+ IS_CLANG=`$CXX --version 2>/dev/null |grep clang`
+ case "$IS_CLANG" in
+ *clang*)
+ ;;
+ *)
AC_MSG_WARN([building fuzzers requires clang/clang++ (continuing anyway)])
- fi
+ ;;
+ esac
CFLAGS+=" -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"