AC_DEFUN([AM_BINUTILS_WARNINGS],[
GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")
AC_ARG_ENABLE(werror,
[ --enable-werror treat compile warnings as errors],
*) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
esac])
+# Disable -Wformat by default when using gcc on mingw
+case "${host}" in
+ *-*-mingw32*)
+ if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+ GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wno-format"
+ fi
+ ;;
+ *) ;;
+esac
+
# Enable -Werror by default when using gcc
if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
ERROR_ON_WARNING=yes