crypto/dist/heimdal/cf/check-type-extra.m4

   1 dnl $Heimdal: check-type-extra.m4 13338 2004-02-12 14:21:14Z lha $
   2 dnl $NetBSD$
   3 dnl
   4 dnl ac_check_type + extra headers
   5
   6 dnl AC_CHECK_TYPE_EXTRA(TYPE, DEFAULT, HEADERS)
   7 AC_DEFUN([AC_CHECK_TYPE_EXTRA],
   8 [AC_REQUIRE([AC_HEADER_STDC])dnl
   9 AC_MSG_CHECKING(for $1)
  10 AC_CACHE_VAL(ac_cv_type_$1,
  11 [AC_EGREP_CPP(dnl
  12 changequote(<<,>>)dnl
  13 <<$1[^a-zA-Z_0-9]>>dnl
  14 changequote([,]), [#include <sys/types.h>
  15 #if STDC_HEADERS
  16 #include <stdlib.h>
  17 #include <stddef.h>
  18 #endif
  19 $3], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
  20 AC_MSG_RESULT($ac_cv_type_$1)
  21 if test $ac_cv_type_$1 = no; then
  22   AC_DEFINE($1, $2, [Define this to what the type $1 should be.])
  23 fi
  24 ])