Pass -Wall -Wextra -Wpedantic to g++ if supported (configure)

* configure.ac [$GCC=yes] (CXXFLAGS): Prepend -Wall $WEXTRA $WPEDANTIC.

diff --git a/configure.ac b/configure.ac
index f891759..21abe8f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -402,6 +402,7 @@ if test "$GCC" = yes; then
   AS_IF([test "$ac_cv_cc_pedantic" = yes],
         [WPEDANTIC="-Wpedantic -Wno-long-long"])
   CFLAGS="-Wall $WEXTRA $WPEDANTIC $CFLAGS"
+  CXXFLAGS="-Wall $WEXTRA $WPEDANTIC $CXXFLAGS"
 fi
 
 AC_MSG_CHECKING(for xlc)