diff options
Diffstat (limited to 'm4/mktime.m4')
| -rw-r--r-- | m4/mktime.m4 | 59 |
1 files changed, 40 insertions, 19 deletions
diff --git a/m4/mktime.m4 b/m4/mktime.m4 index d594ddc58be..31da65e8b2d 100644 --- a/m4/mktime.m4 +++ b/m4/mktime.m4 @@ -1,4 +1,4 @@ -# serial 27 +# serial 28 dnl Copyright (C) 2002-2003, 2005-2007, 2009-2017 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation @@ -21,9 +21,9 @@ AC_DEFUN([gl_TIME_T_IS_SIGNED], fi ]) -AC_DEFUN([gl_FUNC_MKTIME], +dnl Test whether mktime works. Set gl_cv_func_working_mktime. +AC_DEFUN([gl_FUNC_MKTIME_WORKS], [ - AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) AC_REQUIRE([gl_TIME_T_IS_SIGNED]) dnl We don't use AC_FUNC_MKTIME any more, because it is no longer maintained @@ -239,29 +239,50 @@ main () }]])], [gl_cv_func_working_mktime=yes], [gl_cv_func_working_mktime=no], - [gl_cv_func_working_mktime=no]) + [gl_cv_func_working_mktime="guessing no"]) ]) +]) + +dnl Main macro of module 'mktime'. +AC_DEFUN([gl_FUNC_MKTIME], +[ + AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_FUNC_MKTIME_WORKS]) - if test $gl_cv_func_working_mktime = no; then + REPLACE_MKTIME=0 + if test "$gl_cv_func_working_mktime" != yes; then REPLACE_MKTIME=1 - else - REPLACE_MKTIME=0 + AC_DEFINE([NEED_MKTIME_WORKING], [1], + [Define if the compilation of mktime.c should define 'mktime' + with the algorithmic workarounds.]) fi + case "$host_os" in + mingw*) + REPLACE_MKTIME=1 + AC_DEFINE([NEED_MKTIME_WINDOWS], [1], + [Define if the compilation of mktime.c should define 'mktime' + with the native Windows TZ workaround.]) + ;; + esac ]) +dnl Main macro of module 'mktime-internal'. AC_DEFUN([gl_FUNC_MKTIME_INTERNAL], [ - AC_REQUIRE([gl_FUNC_MKTIME]) - if test $REPLACE_MKTIME = 0; then - dnl BeOS has __mktime_internal in libc, but other platforms don't. - AC_CHECK_FUNC([__mktime_internal], - [AC_DEFINE([mktime_internal], [__mktime_internal], - [Define to the real name of the mktime_internal function.]) - ], - [dnl mktime works but it doesn't export __mktime_internal, - dnl so we need to substitute our own mktime implementation. - REPLACE_MKTIME=1 - ]) - fi + AC_REQUIRE([gl_FUNC_MKTIME_WORKS]) + + WANT_MKTIME_INTERNAL=0 + dnl BeOS has __mktime_internal in libc, but other platforms don't. + AC_CHECK_FUNC([__mktime_internal], + [AC_DEFINE([mktime_internal], [__mktime_internal], + [Define to the real name of the mktime_internal function.]) + ], + [dnl mktime works but it doesn't export __mktime_internal, + dnl so we need to substitute our own mktime implementation. + WANT_MKTIME_INTERNAL=1 + AC_DEFINE([NEED_MKTIME_INTERNAL], [1], + [Define if the compilation of mktime.c should define 'mktime_internal'.]) + ]) ]) # Prerequisites of lib/mktime.c. |