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acinclude.m4
61 строка
2 KB
Christos Zoulas
Include stdlib.h for atoi(3) (Sam James)
19 ноя 2022, 22:10
19 ноя 2022, 22:10
8c845b7
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dnl from autoconf 2.13 acspecific.m4, with changes to check for daylight AC_DEFUN([AC_STRUCT_TIMEZONE_DAYLIGHT], [AC_REQUIRE([AC_STRUCT_TM])dnl AC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone, [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([#include <sys/types.h> #include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;])], ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)]) if test "$ac_cv_struct_tm_zone" = yes; then AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE]) fi # On SGI, apparently tzname is a #define, but that's ok, AC_CHECK_DECL will # consider it declared and we won't give our own extern. AC_CHECK_DECLS([tzname], , , [#include <time.h>]) AC_CACHE_CHECK(for tzname, ac_cv_var_tzname, [AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include <time.h>], [[#if !HAVE_DECL_TZNAME extern char *tzname[]; #endif return tzname[0][0];]])], [ac_cv_var_tzname=yes], [ac_cv_var_tzname=no])]) if test $ac_cv_var_tzname = yes; then AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME]) fi AC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst, [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([#include <sys/types.h> #include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;])], ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)]) if test "$ac_cv_struct_tm_isdst" = yes; then AC_DEFINE(HAVE_TM_ISDST,1,[HAVE_TM_ISDST]) fi AC_CHECK_DECLS([daylight], , , [#include <time.h> #include <stdlib.h>]) AC_CACHE_CHECK(for daylight, ac_cv_var_daylight, [AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include <time.h> #include <stdlib.h>], [#if !HAVE_DECL_DAYLIGHT extern int daylight; #endif daylight = atoi("1");])], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)]) if test $ac_cv_var_daylight = yes; then AC_DEFINE(HAVE_DAYLIGHT,1,[HAVE_DAYLIGHT]) fi ]) AC_DEFUN([AC_STRUCT_OPTION_GETOPT_H], [AC_CACHE_CHECK([for struct option in getopt], ac_cv_struct_option_getopt_h, [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([#include <getopt.h>], [struct option op; op.name;])], ac_cv_struct_option_getopt_h=yes, ac_cv_struct_option_getopt_h=no)]) if test "$ac_cv_struct_option_getopt_h" = yes; then AC_DEFINE(HAVE_STRUCT_OPTION,1,[HAVE_STRUCT_OPTION]) fi ])