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| author | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2012-06-05 19:10:04 +0200 |
|---|---|---|
| committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2012-06-05 19:10:04 +0200 |
| commit | 75ed5f82a8b6a5f697c06feb1254152bb8b1f0ff (patch) | |
| tree | 545a22b12ecce630acc5fa48d877b5898340f93e /gl/m4/dup2.m4 | |
| parent | a8f5d585a2b482b3d33ce7f5e8ff2785b6ac4f8e (diff) | |
| download | gnutls-75ed5f82a8b6a5f697c06feb1254152bb8b1f0ff.tar.gz | |
updated gnulib
Diffstat (limited to 'gl/m4/dup2.m4')
| -rw-r--r-- | gl/m4/dup2.m4 | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/gl/m4/dup2.m4 b/gl/m4/dup2.m4 index dec27faeeb..fc86e8085b 100644 --- a/gl/m4/dup2.m4 +++ b/gl/m4/dup2.m4 @@ -1,4 +1,4 @@ -#serial 17 +#serial 18 dnl Copyright (C) 2002, 2005, 2007, 2009-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -45,22 +45,25 @@ AC_DEFUN([gl_FUNC_DUP2], [gl_cv_func_dup2_works=yes], [gl_cv_func_dup2_works=no], [case "$host_os" in mingw*) # on this platform, dup2 always returns 0 for success - gl_cv_func_dup2_works=no;; + gl_cv_func_dup2_works="guessing no" ;; cygwin*) # on cygwin 1.5.x, dup2(1,1) returns 0 - gl_cv_func_dup2_works=no;; + gl_cv_func_dup2_works="guessing no" ;; linux*) # On linux between 2008-07-27 and 2009-05-11, dup2 of a # closed fd may yield -EBADF instead of -1 / errno=EBADF. - gl_cv_func_dup2_works=no;; + gl_cv_func_dup2_works="guessing no" ;; freebsd*) # on FreeBSD 6.1, dup2(1,1000000) gives EMFILE, not EBADF. - gl_cv_func_dup2_works=no;; + gl_cv_func_dup2_works="guessing no" ;; haiku*) # on Haiku alpha 2, dup2(1, 1) resets FD_CLOEXEC. - gl_cv_func_dup2_works=no;; - *) gl_cv_func_dup2_works=yes;; + gl_cv_func_dup2_works="guessing no" ;; + *) gl_cv_func_dup2_works="guessing yes" ;; esac]) ]) - if test "$gl_cv_func_dup2_works" = no; then - REPLACE_DUP2=1 - fi + case "$gl_cv_func_dup2_works" in + *yes) ;; + *) + REPLACE_DUP2=1 + ;; + esac fi dnl Replace dup2() for supporting the gnulib-defined fchdir() function, dnl to keep fchdir's bookkeeping up-to-date. |