Download M4 Source Macro Index Page

ag_check_pathfind

Synopsis

AG_CHECK_PATHFIND

Description

Not all systems have pathfind(3). See if we need to substitute. To make this work, you have to do horrible things. See the doc for AG_CHECK_STRCSPN.

Author

Bruce Korb <bkorb@gnu.org>

Last Modified

2001-12-01

M4 Source Code

dnl DO NOT EDIT THIS FILE   (ag_check_pathfind.m4)
dnl
dnl It has been AutoGen-ed  Saturday December  1, 2001 at 09:21:27 PM PST
dnl From the definitions    bkorb.def
dnl and the template file   conftest.tpl
dnl See: http://autogen.sf.net for a description of the AutoGen project

AC_DEFUN([AG_CHECK_PATHFIND],[
  AC_MSG_CHECKING([whether pathfind(3) works])
  AC_CACHE_VAL([ag_cv_pathfind],[
  AC_TRY_RUN([#include <string.h>
#include <stdlib.h>
int main (int argc, char** argv) {
   char* pz = pathfind( getenv( "PATH" ), "sh", "x" );
   return (pz == 0) ? 1 : 0;
}],[ag_cv_pathfind=yes],[ag_cv_pathfind=no],[ag_cv_pathfind=no]
  ) # end of TRY_RUN]) # end of CACHE_VAL

  AC_MSG_RESULT([$ag_cv_pathfind])
  if test x$ag_cv_pathfind = xyes
  then
    AC_DEFINE(HAVE_PATHFIND, 1,
       [Define this if pathfind(3) works])
  else
    if test x$ac_cv_lib_gen_pathfind = xyes
    then :
    else
      COMPATOBJ="$COMPATOBJ pathfind.lo"
    fi
  fi
]) # end of AC_DEFUN of AG_CHECK_PATHFIND