| 1 |
AC_DEFUN([AC_TNY_TIMEZONE_CHECK], |
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| 2 |
[ |
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| 3 |
|
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| 4 |
AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff, |
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| 5 |
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
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| 6 |
#include <time.h> |
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| 7 |
]], [[ |
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| 8 |
struct tm tm; |
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| 9 |
tm.tm_gmtoff = 1; |
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| 10 |
]])],[ac_cv_struct_tm_gmtoff=yes],[ac_cv_struct_tm_gmtoff=no])) |
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| 11 |
if test $ac_cv_struct_tm_gmtoff = yes; then |
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| 12 |
AC_DEFINE(HAVE_TM_GMTOFF, 1, [Define if struct tm has a tm_gmtoff member]) |
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| 13 |
else |
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| 14 |
AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone, |
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| 15 |
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
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| 16 |
#include <time.h> |
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| 17 |
]], [[ |
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| 18 |
timezone = 1; |
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| 19 |
]])],[ac_cv_var_timezone=yes],[ac_cv_var_timezone=no])) |
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| 20 |
if test $ac_cv_var_timezone = yes; then |
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| 21 |
AC_DEFINE(HAVE_TIMEZONE, 1, [Define if libc defines a timezone variable]) |
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| 22 |
AC_CACHE_CHECK(for altzone variable, ac_cv_var_altzone, |
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| 23 |
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
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| 24 |
#include <time.h> |
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| 25 |
]], [[ |
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| 26 |
altzone = 1; |
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| 27 |
]])],[ac_cv_var_altzone=yes],[ac_cv_var_altzone=no])) |
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| 28 |
if test $ac_cv_var_altzone = yes; then |
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| 29 |
AC_DEFINE(HAVE_ALTZONE, 1, [Define if libc defines an altzone variable]) |
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| 30 |
fi |
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| 31 |
else |
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| 32 |
AC_MSG_ERROR([unable to find a way to determine timezone]) |
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| 33 |
fi |
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| 34 |
fi |
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| 35 |
|
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| 36 |
]) |
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| 37 |
|
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