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, 643a5ec4eSXin LI[AC_COMPILE_IFELSE( 743a5ec4eSXin LI[AC_LANG_PROGRAM([#include <sys/types.h> 843a5ec4eSXin LI#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;])], 9649d615cSDavid E. O'Brien ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)]) 10649d615cSDavid E. O'Brienif test "$ac_cv_struct_tm_zone" = yes; then 118ed12636SDavid E. O'Brien AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE]) 12649d615cSDavid E. O'Brienfi 1370b95ceeSXin LI 1480c86c36SDavid E. O'Brien# On SGI, apparently tzname is a #define, but that's ok, AC_CHECK_DECL will 1580c86c36SDavid E. O'Brien# consider it declared and we won't give our own extern. 1680c86c36SDavid E. O'BrienAC_CHECK_DECLS([tzname], , , [#include <time.h>]) 17649d615cSDavid E. O'BrienAC_CACHE_CHECK(for tzname, ac_cv_var_tzname, 1843a5ec4eSXin LI[AC_LINK_IFELSE( 1943a5ec4eSXin LI[AC_LANG_PROGRAM([#include <time.h>], 2043a5ec4eSXin LI[[#if !HAVE_DECL_TZNAME 2180c86c36SDavid E. O'Brienextern char *tzname[]; 2243a5ec4eSXin LI#endif 2343a5ec4eSXin LIreturn tzname[0][0];]])], [ac_cv_var_tzname=yes], [ac_cv_var_tzname=no])]) 24649d615cSDavid E. O'Brien if test $ac_cv_var_tzname = yes; then 258ed12636SDavid E. O'Brien AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME]) 26649d615cSDavid E. O'Brien fi 27649d615cSDavid E. O'Brien 28649d615cSDavid E. O'BrienAC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst, 2943a5ec4eSXin LI[AC_COMPILE_IFELSE( 3043a5ec4eSXin LI[AC_LANG_PROGRAM([#include <sys/types.h> 3143a5ec4eSXin LI#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;])], 32649d615cSDavid E. O'Brien ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)]) 33649d615cSDavid E. O'Brienif test "$ac_cv_struct_tm_isdst" = yes; then 3428a8b562SDavid E. O'Brien AC_DEFINE(HAVE_TM_ISDST,1,[HAVE_TM_ISDST]) 35649d615cSDavid E. O'Brienfi 3670b95ceeSXin LI 3780c86c36SDavid E. O'Brien 38a2dfb722SXin LIAC_CHECK_DECLS([daylight], , , [#include <time.h> 39a2dfb722SXin LI#include <stdlib.h>]) 40649d615cSDavid E. O'BrienAC_CACHE_CHECK(for daylight, ac_cv_var_daylight, 4143a5ec4eSXin LI[AC_LINK_IFELSE( 42*898496eeSXin LI[AC_LANG_PROGRAM([#include <time.h> 43*898496eeSXin LI#include <stdlib.h>], 4443a5ec4eSXin LI[#if !HAVE_DECL_DAYLIGHT 45649d615cSDavid E. O'Brienextern int daylight; 4643a5ec4eSXin LI#endif 47*898496eeSXin LIdaylight = atoi("1");])], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)]) 48649d615cSDavid E. O'Brien if test $ac_cv_var_daylight = yes; then 4928a8b562SDavid E. O'Brien AC_DEFINE(HAVE_DAYLIGHT,1,[HAVE_DAYLIGHT]) 50649d615cSDavid E. O'Brien fi 51649d615cSDavid E. O'Brien]) 5270b95ceeSXin LI 5370b95ceeSXin LIAC_DEFUN([AC_STRUCT_OPTION_GETOPT_H], 5470b95ceeSXin LI[AC_CACHE_CHECK([for struct option in getopt], ac_cv_struct_option_getopt_h, 5543a5ec4eSXin LI[AC_COMPILE_IFELSE( 5643a5ec4eSXin LI[AC_LANG_PROGRAM([#include <getopt.h>], [struct option op; op.name;])], 5770b95ceeSXin LI ac_cv_struct_option_getopt_h=yes, ac_cv_struct_option_getopt_h=no)]) 5870b95ceeSXin LIif test "$ac_cv_struct_option_getopt_h" = yes; then 5970b95ceeSXin LI AC_DEFINE(HAVE_STRUCT_OPTION,1,[HAVE_STRUCT_OPTION]) 6070b95ceeSXin LIfi 6170b95ceeSXin LI]) 62