1649d615cSDavid E. O'Briendnl from autoconf 2.13 acspecific.m4, with changes to check for daylight 2649d615cSDavid E. O'Brien 38ed12636SDavid E. O'BrienAC_DEFUN([AC_STRUCT_TIMEZONE_DAYLIGHT], 4649d615cSDavid E. O'Brien[AC_REQUIRE([AC_STRUCT_TM])dnl 5649d615cSDavid E. O'BrienAC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone, 6649d615cSDavid E. O'Brien[AC_TRY_COMPILE([#include <sys/types.h> 7649d615cSDavid E. O'Brien#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;], 8649d615cSDavid E. O'Brien ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)]) 9649d615cSDavid E. O'Brienif test "$ac_cv_struct_tm_zone" = yes; then 108ed12636SDavid E. O'Brien AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE]) 11649d615cSDavid E. O'Brienfi 12649d615cSDavid E. O'BrienAC_CACHE_CHECK(for tzname, ac_cv_var_tzname, 13649d615cSDavid E. O'Brien[AC_TRY_LINK( 14649d615cSDavid E. O'Brienchangequote(<<, >>)dnl 15649d615cSDavid E. O'Brien<<#include <time.h> 16649d615cSDavid E. O'Brien#ifndef tzname /* For SGI. */ 17649d615cSDavid E. O'Brienextern char *tzname[]; /* RS6000 and others reject char **tzname. */ 18649d615cSDavid E. O'Brien#endif>>, 19649d615cSDavid E. O'Brienchangequote([, ])dnl 20649d615cSDavid E. O'Brien[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)]) 21649d615cSDavid E. O'Brien if test $ac_cv_var_tzname = yes; then 228ed12636SDavid E. O'Brien AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME]) 23649d615cSDavid E. O'Brien fi 24649d615cSDavid E. O'Brien 25649d615cSDavid E. O'BrienAC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst, 26649d615cSDavid E. O'Brien[AC_TRY_COMPILE([#include <sys/types.h> 27649d615cSDavid E. O'Brien#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;], 28649d615cSDavid E. O'Brien ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)]) 29649d615cSDavid E. O'Brienif test "$ac_cv_struct_tm_isdst" = yes; then 3028a8b562SDavid E. O'Brien AC_DEFINE(HAVE_TM_ISDST,1,[HAVE_TM_ISDST]) 31649d615cSDavid E. O'Brienfi 32649d615cSDavid E. O'BrienAC_CACHE_CHECK(for daylight, ac_cv_var_daylight, 33649d615cSDavid E. O'Brien[AC_TRY_LINK( 34649d615cSDavid E. O'Brienchangequote(<<, >>)dnl 35649d615cSDavid E. O'Brien<<#include <time.h> 36649d615cSDavid E. O'Brien#ifndef daylight /* In case IRIX #defines this, too */ 37649d615cSDavid E. O'Brienextern int daylight; 38649d615cSDavid E. O'Brien#endif>>, 39649d615cSDavid E. O'Brienchangequote([, ])dnl 40649d615cSDavid E. O'Brien[atoi(daylight);], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)]) 41649d615cSDavid E. O'Brien if test $ac_cv_var_daylight = yes; then 4228a8b562SDavid E. O'Brien AC_DEFINE(HAVE_DAYLIGHT,1,[HAVE_DAYLIGHT]) 43649d615cSDavid E. O'Brien fi 44649d615cSDavid E. O'Brien]) 45