mkdep.m4

#
# Copyright (c) 2006 LAAS/CNRS                        --  Thu Oct 16 2006
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dnl --- Look for the openrobots mkdep executable ---------------------

AC_DEFUN([ROBOT_PROG_MKDEP],
[
   m4_define([MKDEP_PKG_TEXT], [
Package requirements (openrobots mkdep) were not met.
Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.])

   AC_MSG_CHECKING([for mkdep])
   PKG_CHECK_EXISTS(mkdep, [
     _PKG_CONFIG(MKDEP, [variable=program], [mkdep])
     AC_MSG_RESULT($pkg_cv_MKDEP)
     AC_CACHE_CHECK(
     [whether mkdep accepts -I/-D options], ac_cv_robot_mkdep,
      [
         if $pkg_cv_MKDEP -I foo -D bar 1>/dev/null 2>&1; then
	    ac_cv_robot_mkdep=yes;
	 else
	    ac_cv_robot_mkdep=no;
         fi
      ])
     if test x"${ac_cv_robot_mkdep}" = xno; then
        AC_MSG_ERROR(MKDEP_PKG_TEXT)
     fi 
     AC_SUBST(MKDEP, $pkg_cv_MKDEP)
   ], [
        AC_MSG_ERROR(MKDEP_PKG_TEXT)
   ])
])