--- old/common/autoconf/basics.m4 2015-12-09 09:23:34.211996747 +0900 +++ new/common/autoconf/basics.m4 2015-12-09 09:23:33.959997307 +0900 @@ -237,12 +237,18 @@ # Register a --enable argument but mark it as deprecated # $1: The name of the with argument to deprecate, not including --enable- # $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -) +# $3: Messages to user. AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE], [ AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1], [Deprecated. Option is kept for backwards compatibility and is ignored])]) if test "x$enable_$2" != x; then AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.]) + + if test "x$3" != x; then + AC_MSG_WARN([$3]) + fi + fi ])