diff options
Diffstat (limited to 'gnulib/m4/sleep.m4')
| -rw-r--r-- | gnulib/m4/sleep.m4 | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/gnulib/m4/sleep.m4 b/gnulib/m4/sleep.m4 index 7e736d45..a27baa6d 100644 --- a/gnulib/m4/sleep.m4 +++ b/gnulib/m4/sleep.m4 @@ -1,5 +1,5 @@ -# sleep.m4 serial 6 -dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. +# sleep.m4 serial 7 +dnl Copyright (C) 2007-2013 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_SLEEP], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles dnl We expect to see the declaration of sleep() in a header file. dnl Older versions of mingw have a sleep() function that is an alias to dnl _sleep() in MSVCRT. It has a different signature than POSIX sleep(): @@ -44,9 +45,18 @@ handle_alarm (int sig) return 0; ]])], [gl_cv_func_sleep_works=yes], [gl_cv_func_sleep_works=no], - [gl_cv_func_sleep_works="guessing no"])]) - if test "$gl_cv_func_sleep_works" != yes; then - REPLACE_SLEEP=1 - fi + [case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_sleep_works="guessing yes" ;; + # If we don't know, assume the worst. + *) gl_cv_func_sleep_works="guessing no" ;; + esac + ])]) + case "$gl_cv_func_sleep_works" in + *yes) ;; + *) + REPLACE_SLEEP=1 + ;; + esac fi ]) |