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