184685Sobriendnl from autoconf 2.13 acspecific.m4, with changes to check for daylight 284685Sobrien 3103373SobrienAC_DEFUN([AC_STRUCT_TIMEZONE_DAYLIGHT], 484685Sobrien[AC_REQUIRE([AC_STRUCT_TM])dnl 584685SobrienAC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone, 684685Sobrien[AC_TRY_COMPILE([#include <sys/types.h> 784685Sobrien#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;], 884685Sobrien ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)]) 984685Sobrienif test "$ac_cv_struct_tm_zone" = yes; then 10103373Sobrien AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE]) 1184685Sobrienfi 12192350Sdelphij 13234449Sobrien# On SGI, apparently tzname is a #define, but that's ok, AC_CHECK_DECL will 14234449Sobrien# consider it declared and we won't give our own extern. 15234449SobrienAC_CHECK_DECLS([tzname], , , [#include <time.h>]) 1684685SobrienAC_CACHE_CHECK(for tzname, ac_cv_var_tzname, 1784685Sobrien[AC_TRY_LINK( 18234449Sobrien[#include <time.h> 19234449Sobrien#if !HAVE_DECL_TZNAME 20234449Sobrienextern char *tzname[]; 21234449Sobrien#endif], 22234449Sobrien[return tzname[0][0];], [ac_cv_var_tzname=yes], [ac_cv_var_tzname=no])]) 2384685Sobrien if test $ac_cv_var_tzname = yes; then 24103373Sobrien AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME]) 2584685Sobrien fi 2684685Sobrien 2784685SobrienAC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst, 2884685Sobrien[AC_TRY_COMPILE([#include <sys/types.h> 2984685Sobrien#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;], 3084685Sobrien ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)]) 3184685Sobrienif test "$ac_cv_struct_tm_isdst" = yes; then 32186691Sobrien AC_DEFINE(HAVE_TM_ISDST,1,[HAVE_TM_ISDST]) 3384685Sobrienfi 34192350Sdelphij 35234449Sobrien 36234449SobrienAC_CHECK_DECLS([daylight], , , [#include <time.h>]) 3784685SobrienAC_CACHE_CHECK(for daylight, ac_cv_var_daylight, 3884685Sobrien[AC_TRY_LINK( 3984685Sobrienchangequote(<<, >>)dnl 4084685Sobrien<<#include <time.h> 41234449Sobrien#if !HAVE_DECL_DAYLIGHT 4284685Sobrienextern int daylight; 4384685Sobrien#endif>>, 4484685Sobrienchangequote([, ])dnl 4584685Sobrien[atoi(daylight);], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)]) 4684685Sobrien if test $ac_cv_var_daylight = yes; then 47186691Sobrien AC_DEFINE(HAVE_DAYLIGHT,1,[HAVE_DAYLIGHT]) 4884685Sobrien fi 4984685Sobrien]) 50192350Sdelphij 51192350SdelphijAC_DEFUN([AC_STRUCT_OPTION_GETOPT_H], 52192350Sdelphij[AC_CACHE_CHECK([for struct option in getopt], ac_cv_struct_option_getopt_h, 53192350Sdelphij[AC_TRY_COMPILE([#include <getopt.h>], [struct option op; op.name;], 54192350Sdelphij ac_cv_struct_option_getopt_h=yes, ac_cv_struct_option_getopt_h=no)]) 55192350Sdelphijif test "$ac_cv_struct_option_getopt_h" = yes; then 56192350Sdelphij AC_DEFINE(HAVE_STRUCT_OPTION,1,[HAVE_STRUCT_OPTION]) 57192350Sdelphijfi 58192350Sdelphij]) 59