+2012-05-05 Bruno Haible <bruno@clisp.org>
+
+ tzset: Avoid guessing wrong when cross-compiling to glibc systems.
+ * m4/tzset.m4 (gl_FUNC_TZSET_CLOBBER): Require AC_CANONICAL_HOST. When
+ cross-compiling to a glibc platform, set gl_cv_func_tzset_clobber to
+ "guessing no".
+ * m4/gettimeofday.m4 (gl_FUNC_GETTIMEOFDAY): Update.
+
2012-05-05 Bruno Haible <bruno@clisp.org>
d-ino: Avoid guessing "no" when cross-compiling to glibc/Linux systems.
-# serial 19
+# serial 20
# Copyright (C) 2001-2003, 2005, 2007, 2009-2012 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
fi
m4_ifdef([gl_FUNC_TZSET_CLOBBER], [
gl_FUNC_TZSET_CLOBBER
- if test $gl_cv_func_tzset_clobber = yes; then
- REPLACE_GETTIMEOFDAY=1
- gl_GETTIMEOFDAY_REPLACE_LOCALTIME
- AC_DEFINE([tzset], [rpl_tzset],
- [Define to rpl_tzset if the wrapper function should be used.])
- AC_DEFINE([TZSET_CLOBBERS_LOCALTIME], [1],
- [Define if tzset clobbers localtime's static buffer.])
- fi
+ case "$gl_cv_func_tzset_clobber" in
+ *yes)
+ REPLACE_GETTIMEOFDAY=1
+ gl_GETTIMEOFDAY_REPLACE_LOCALTIME
+ AC_DEFINE([tzset], [rpl_tzset],
+ [Define to rpl_tzset if the wrapper function should be used.])
+ AC_DEFINE([TZSET_CLOBBERS_LOCALTIME], [1],
+ [Define if tzset clobbers localtime's static buffer.])
+ ;;
+ esac
])
fi
AC_DEFINE_UNQUOTED([GETTIMEOFDAY_TIMEZONE], [$gl_gettimeofday_timezone],
-# serial 6
+# serial 7
# Copyright (C) 2003, 2007, 2009-2012 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
AC_DEFUN([gl_FUNC_TZSET_CLOBBER],
[
AC_REQUIRE([gl_HEADER_SYS_TIME_H])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether tzset clobbers localtime buffer],
gl_cv_func_tzset_clobber,
[
]])],
[gl_cv_func_tzset_clobber=no],
[gl_cv_func_tzset_clobber=yes],
- [gl_cv_func_tzset_clobber=yes])])
+ [case "$host_os" in
+ # Guess all is fine on glibc systems.
+ *-gnu*) gl_cv_func_tzset_clobber="guessing no" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_tzset_clobber="guessing yes" ;;
+ esac
+ ])])
AC_DEFINE([HAVE_RUN_TZSET_TEST], [1],
[Define to 1 if you have run the test for working tzset.])