X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=configure.ac;h=237189cf9449c8e63bb4566c3afb271994e69693;hb=refs%2Fheads%2F841143-bugfix;hp=932c741efeaefa3746545e6767f0d15f37298150;hpb=5c0ca5b715ab6b35b44df738153e05daa592d859;p=gnupg2.git

diff --git a/configure.ac b/configure.ac
index 932c741..237189c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1575,6 +1575,15 @@ if test "$GCC" = yes; then
         if test x"$_gcc_wopt" = xyes ; then
           mycflags="$mycflags -Wdeclaration-after-statement"
         fi
+
+        AC_MSG_CHECKING([if gcc supports -Wlogical-op and -Wvla])
+        CFLAGS="-Wlogical-op -Wvla"
+        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no)
+        AC_MSG_RESULT($_gcc_wopt)
+        if test x"$_gcc_wopt" = xyes ; then
+          mycflags="$mycflags -Wlogical-op -Wvla"
+        fi
+
     else
         mycflags="$mycflags -Wall"
     fi