+dnl FIXME: The following is bfd/warning.m4 contents expanded
+dnl When converting to current autotools, please replace with
+dnl AM_BINUTILS_WARNINGS
+WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+AC_ARG_ENABLE(werror,
+ [ --enable-werror treat compile warnings as errors],
+ [case "${enableval}" in
+ yes | y) ERROR_ON_WARNING="yes" ;;
+ no | n) ERROR_ON_WARNING="no" ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
+ esac])
+
+# Enable -Werror by default when using gcc
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+ ERROR_ON_WARNING=yes
+fi
+
+NO_WERROR=
+if test "${ERROR_ON_WARNING}" = yes ; then
+ WARN_CFLAGS="$WARN_CFLAGS -Werror"
+ NO_WERROR="-Wno-error"
+fi
+