crypto/dist/heimdal/cf/have-type.m4

   1 dnl $Heimdal: have-type.m4 14166 2004-08-26 12:35:42Z joda $
   2 dnl $NetBSD$
   3 dnl
   4 dnl check for existance of a type
   5
   6 dnl AC_HAVE_TYPE(TYPE,INCLUDES)
   7 AC_DEFUN([AC_HAVE_TYPE], [
   8 AC_REQUIRE([AC_HEADER_STDC])
   9 cv=`echo "$1" | sed 'y%./+- %__p__%'`
  10 AC_MSG_CHECKING(for $1)
  11 AC_CACHE_VAL([ac_cv_type_$cv],
  12 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  13 #include <sys/types.h>
  14 #if STDC_HEADERS
  15 #include <stdlib.h>
  16 #include <stddef.h>
  17 #endif
  18 $2]],
  19 [[$1 foo;]])],
  20 [eval "ac_cv_type_$cv=yes"],
  21 [eval "ac_cv_type_$cv=no"]))dnl
  22 ac_foo=`eval echo \\$ac_cv_type_$cv`
  23 AC_MSG_RESULT($ac_foo)
  24 if test "$ac_foo" = yes; then
  25   ac_tr_hdr=HAVE_`echo $1 | sed 'y%abcdefghijklmnopqrstuvwxyz./- %ABCDEFGHIJKLMNOPQRSTUVWXYZ____%'`
  26 if false; then
  27         AC_CHECK_TYPES($1)
  28 fi
  29   AC_DEFINE_UNQUOTED($ac_tr_hdr, 1, [Define if you have type `$1'])
  30 fi
  31 ])