1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/build/autoconf/subconfigure.m4 Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,46 @@
1.4 +dnl We are not running in a real autoconf environment. So we're using real m4
1.5 +dnl here, not the crazier environment that autoconf provides.
1.6 +
1.7 +dnl Autoconf expects [] for quotes; give it to them
1.8 +changequote([, ])
1.9 +
1.10 +dnl AC_DEFUN is provided to use instead of define in autoconf. Provide it too.
1.11 +define([AC_DEFUN], [define($1, [$2])])
1.12 +
1.13 +dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, IF-TRUE[, IF-FALSE])
1.14 +dnl We have to ignore the help string due to how help works in autoconf...
1.15 +AC_DEFUN([AC_ARG_ENABLE],
1.16 +[#] Check whether --enable-[$1] or --disable-[$1] was given.
1.17 +[if test "[${enable_]patsubst([$1], -, _)+set}" = set; then
1.18 + enableval="[$enable_]patsubst([$1], -, _)"
1.19 + $3
1.20 +ifelse([$4], , , [else
1.21 + $4
1.22 +])dnl
1.23 +fi
1.24 +])
1.25 +
1.26 +dnl AC_MSG_ERROR(error-description)
1.27 +AC_DEFUN([AC_MSG_ERROR], [{ echo "configure: error: $1" 1>&2; exit 1; }])
1.28 +
1.29 +AC_DEFUN([AC_MSG_WARN], [ echo "configure: warning: $1" 1>&2 ])
1.30 +
1.31 +dnl Add the variable to the list of substitution variables
1.32 +AC_DEFUN([AC_SUBST],
1.33 +[
1.34 +_subconfigure_ac_subst_args="$_subconfigure_ac_subst_args $1"
1.35 +])
1.36 +
1.37 +dnl Override for AC_DEFINE.
1.38 +AC_DEFUN([AC_DEFINE],
1.39 +[
1.40 +cat >>confdefs.h <<\EOF
1.41 +[#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
1.42 +EOF
1.43 +cat >> confdefs.pytmp <<\EOF
1.44 + (''' $1 ''', ifelse($#, 2, [r''' $2 '''], $#, 3, [r''' $2 '''], ' 1 '))
1.45 +EOF
1.46 +])
1.47 +
1.48 +dnl AC_OUTPUT_SUBDIRS(subdirectory)
1.49 +AC_DEFUN([AC_OUTPUT_SUBDIRS], [do_output_subdirs "$1"])
