1 dnl from autoconf 2.13 acspecific.m4, with changes to check for daylight
3 AC_DEFUN([AC_STRUCT_TIMEZONE_DAYLIGHT],
4 [AC_REQUIRE([AC_STRUCT_TM])dnl
5 AC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone,
6 [AC_TRY_COMPILE([#include <sys/types.h>
7 #include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;],
8 ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)])
9 if test "$ac_cv_struct_tm_zone" = yes; then
10 AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE])
13 AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
15 changequote(<<, >>)dnl
17 #ifndef tzname /* For SGI. */
18 extern char *tzname[]; /* RS6000 and others reject char **tzname. */
21 [atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
22 if test $ac_cv_var_tzname = yes; then
23 AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME])
26 AC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst,
27 [AC_TRY_COMPILE([#include <sys/types.h>
28 #include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;],
29 ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)])
30 if test "$ac_cv_struct_tm_isdst" = yes; then
31 AC_DEFINE(HAVE_TM_ISDST,1,[HAVE_TM_ISDST])
34 AC_CACHE_CHECK(for daylight, ac_cv_var_daylight,
36 changequote(<<, >>)dnl
38 #ifndef daylight /* In case IRIX #defines this, too */
42 [atoi(daylight);], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)])
43 if test $ac_cv_var_daylight = yes; then
44 AC_DEFINE(HAVE_DAYLIGHT,1,[HAVE_DAYLIGHT])
48 AC_DEFUN([AC_STRUCT_OPTION_GETOPT_H],
49 [AC_CACHE_CHECK([for struct option in getopt], ac_cv_struct_option_getopt_h,
50 [AC_TRY_COMPILE([#include <getopt.h>], [struct option op; op.name;],
51 ac_cv_struct_option_getopt_h=yes, ac_cv_struct_option_getopt_h=no)])
52 if test "$ac_cv_struct_option_getopt_h" = yes; then
53 AC_DEFINE(HAVE_STRUCT_OPTION,1,[HAVE_STRUCT_OPTION])