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56 lines
1.9 KiB
Plaintext
56 lines
1.9 KiB
Plaintext
dnl from autoconf 2.13 acspecific.m4, with changes to check for daylight
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AC_DEFUN([AC_STRUCT_TIMEZONE_DAYLIGHT],
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[AC_REQUIRE([AC_STRUCT_TM])dnl
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AC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;],
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ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)])
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if test "$ac_cv_struct_tm_zone" = yes; then
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AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE])
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fi
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AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
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[AC_TRY_LINK(
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changequote(<<, >>)dnl
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<<#include <time.h>
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#ifndef tzname /* For SGI. */
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extern char *tzname[]; /* RS6000 and others reject char **tzname. */
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#endif>>,
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changequote([, ])dnl
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[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
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if test $ac_cv_var_tzname = yes; then
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AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME])
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fi
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AC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;],
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ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)])
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if test "$ac_cv_struct_tm_isdst" = yes; then
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AC_DEFINE(HAVE_TM_ISDST,1,[HAVE_TM_ISDST])
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fi
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AC_CACHE_CHECK(for daylight, ac_cv_var_daylight,
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[AC_TRY_LINK(
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changequote(<<, >>)dnl
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<<#include <time.h>
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#ifndef daylight /* In case IRIX #defines this, too */
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extern int daylight;
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#endif>>,
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changequote([, ])dnl
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[atoi(daylight);], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)])
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if test $ac_cv_var_daylight = yes; then
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AC_DEFINE(HAVE_DAYLIGHT,1,[HAVE_DAYLIGHT])
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fi
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])
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AC_DEFUN([AC_STRUCT_OPTION_GETOPT_H],
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[AC_CACHE_CHECK([for struct option in getopt], ac_cv_struct_option_getopt_h,
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[AC_TRY_COMPILE([#include <getopt.h>], [struct option op; op.name;],
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ac_cv_struct_option_getopt_h=yes, ac_cv_struct_option_getopt_h=no)])
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if test "$ac_cv_struct_option_getopt_h" = yes; then
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AC_DEFINE(HAVE_STRUCT_OPTION,1,[HAVE_STRUCT_OPTION])
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fi
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])
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