diff -Naur bacula-9.2.1.old/autoconf/configure.in bacula-9.2.1/autoconf/configure.in
--- bacula-9.2.1.old/autoconf/configure.in	2018-08-20 16:48:59.390677113 +0200
+++ bacula-9.2.1/autoconf/configure.in	2018-08-20 17:02:58.579289152 +0200
@@ -2983,11 +2983,6 @@
 AC_DEFINE(FDLIBS)
 
 CFLAGS=${CFLAGS--O}
-
-if test x$have_gcc = xyes ; then
-   CPPFLAGS="$CPPFLAGS -x c++ -fno-strict-aliasing -fno-exceptions -fno-rtti"
-   CFLAGS="$CFLAGS -x c++ -fno-strict-aliasing -fno-exceptions -fno-rtti"
-fi
 LDFLAGS=${LDFLAGS--O}
 CPPFLAGS="$CPPFLAGS"
 CFLAGS="$CFLAGS"
diff -Naur bacula-9.2.1.old/configure bacula-9.2.1/configure
--- bacula-9.2.1.old/configure	2018-08-20 16:48:59.380676927 +0200
+++ bacula-9.2.1/configure	2018-08-20 17:02:58.582289208 +0200
@@ -30881,11 +30881,6 @@
 
 
 CFLAGS=${CFLAGS--O}
-
-if test x$have_gcc = xyes ; then
-   CPPFLAGS="$CPPFLAGS -x c++ -fno-strict-aliasing -fno-exceptions -fno-rtti"
-   CFLAGS="$CFLAGS -x c++ -fno-strict-aliasing -fno-exceptions -fno-rtti"
-fi
 LDFLAGS=${LDFLAGS--O}
 CPPFLAGS="$CPPFLAGS"
 CFLAGS="$CFLAGS"