## `Small' checks for typedefs and variables.  This file is in public domain.

## program_invocation_short_name test.

## Defines:

## HAVE_PROGRAM_INVOCATION_SHORT_NAME when program_invocation_short_name is

##   defined in errno.h

AC_DEFUN([ye_CHECK_VAR_PROGRAM_INVOCATION_SHORT_NAME],

[AC_REQUIRE([AC_PROG_CC])dnl

dnl

dnl Check for program_invocation_short_name (present on GNU systems only?)

AC_CACHE_CHECK([for program_invocation_short_name],

  yeti_cv_lib_c_program_invocation_short_name,

  AC_TRY_LINK([#include <errno.h>],

    [if (!program_invocation_short_name) return 1;],

    yeti_cv_lib_c_program_invocation_short_name=yes,

    yeti_cv_lib_c_program_invocation_short_name=no))

if test "$yeti_cv_lib_c_program_invocation_short_name" = yes; then

  AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME,1,[Define if you have program_invocation_short_name variable.])

fi])