Mercurial > hg
diff mcabber/macros/timezone.m4 @ 800:103764a87777
Improve autoconf
- Check for strcasestr()
- Check for tm_gmtoff
- Use ACLOCAL_AMFLAGS so that autoreconf works correctly
author | Mikael Berthe <mikael@lilotux.net> |
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date | Mon, 10 Apr 2006 23:16:12 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mcabber/macros/timezone.m4 Mon Apr 10 23:16:12 2006 +0200 @@ -0,0 +1,39 @@ +dnl ac_var_timeszone_externals.m4 + +# Define 'timezone', 'altzone' and 'daylight' +# http://www.gnu.org/software/ac-archive/Miscellaneous/ac_var_timezone_externals.html +# Use instead of 'AC_STRUCT_TIMEZONE' to determine whether the +# the external timezone variables 'timezone', 'altzone' and 'daylight' exist, +# defining 'HAVE_TIMEZONE', 'HAVE_ALTZONE' and 'HAVE_DAYLIGHT' respectively +# (as well as gaining the macros defined by 'AC_STRUCT_TIMEZONE'). +# Mark R.Bannister <markb@freedomware.co.uk> +AC_DEFUN([AC_VAR_TIMEZONE_EXTERNALS], +[ AC_REQUIRE([AC_STRUCT_TIMEZONE])dnl + AC_CACHE_CHECK(for timezone external, mb_cv_var_timezone, + [ AC_TRY_LINK([#include <time.h>], [return (int)timezone;], + mb_cv_var_timezone=yes, + mb_cv_var_timezone=no) + ]) + AC_CACHE_CHECK(for altzone external, mb_cv_var_altzone, + [ AC_TRY_LINK([#include <time.h>], [return (int)altzone;], + mb_cv_var_altzone=yes, + mb_cv_var_altzone=no) + ]) + AC_CACHE_CHECK(for daylight external, mb_cv_var_daylight, + [ AC_TRY_LINK([#include <time.h>], [return (int)daylight;], + mb_cv_var_daylight=yes, + mb_cv_var_daylight=no) + ]) + if test $mb_cv_var_timezone = yes; then + AC_DEFINE([HAVE_TIMEZONE], 1, + [Define if you have the external 'timezone' variable.]) + fi + if test $mb_cv_var_altzone = yes; then + AC_DEFINE([HAVE_ALTZONE], 1, + [Define if you have the external 'altzone' variable.]) + fi + if test $mb_cv_var_daylight = yes; then + AC_DEFINE([HAVE_DAYLIGHT], 1, + [Define if you have the external 'daylight' variable.]) + fi +])