Undo last commit.

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index e89f9e64559a6aa2eed973c8019d825c022771df..36d4dc1182fbce062aa36a75f92a5a18dc8c448d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -45,11 +45,12 @@ if test "${enableval}" = yes; then
   gl_WARNING_CFLAGS([-Werror])
   AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
   WARNING_CFLAGS=
-  gl_WARNING_CFLAGS([-W])
+  gl_WARNING_CFLAGS([-Wextra -Wno-sign-compare])
   gl_WARNING_CFLAGS([-Wall])
   gl_WARNING_CFLAGS([-Wcast-align])
   gl_WARNING_CFLAGS([-Wcast-qual])
   gl_WARNING_CFLAGS([-Wformat])
+  gl_WARNING_CFLAGS([-Wpointer-arith])
   gl_WARNING_CFLAGS([-Wwrite-strings])
   AC_SUBST([WARNING_CXXFLAGS], [$WARNING_CFLAGS])
   # The following warnings are not suitable for C++.