1 dnl We are not running in a real autoconf environment. So we're using real m4
2 dnl here, not the crazier environment that autoconf provides.
4 dnl Autoconf expects [] for quotes; give it to them
7 dnl AC_DEFUN is provided to use instead of define in autoconf. Provide it too.
8 define([AC_DEFUN], [define($1, [$2])])
10 dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, IF-TRUE[, IF-FALSE])
11 dnl We have to ignore the help string due to how help works in autoconf...
12 AC_DEFUN([AC_ARG_ENABLE],
13 [#] Check whether --enable-[$1] or --disable-[$1] was given.
14 [if test "[${enable_]patsubst([$1], -, _)+set}" = set; then
15 enableval="[$enable_]patsubst([$1], -, _)"
17 ifelse([$4], , , [else
23 dnl AC_MSG_ERROR(error-description)
24 AC_DEFUN([AC_MSG_ERROR], [{ echo "configure: error: $1" 1>&2; exit 1; }])
26 AC_DEFUN([AC_MSG_WARN], [ echo "configure: warning: $1" 1>&2 ])
28 dnl Add the variable to the list of substitution variables
31 _subconfigure_ac_subst_args="$_subconfigure_ac_subst_args $1"
34 dnl Override for AC_DEFINE.
37 cat >>confdefs.h <<\EOF
38 [#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
40 cat >> confdefs.pytmp <<\EOF
41 (''' $1 ''', ifelse($#, 2, [r''' $2 '''], $#, 3, [r''' $2 '''], ' 1 '))
45 dnl AC_OUTPUT_SUBDIRS(subdirectory)
46 AC_DEFUN([AC_OUTPUT_SUBDIRS], [do_output_subdirs "$1"])