Mercurial > hg > octave-nkf > gnulib-hg

diff m4/dup2.m4 @ 16810:ca49e9a6643d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Say "guessing yes" or "guessing no" when cross-compiling. * m4/dup2.m4 (gl_FUNC_DUP2): When cross-compiling, set gl_cv_func_dup2_works to "guessing yes" or "guessing no". * m4/getdelim.m4 (gl_FUNC_GETDELIM): When cross-compiling, set gl_cv_func_working_getdelim to "guessing yes" or "guessing no". * m4/getline.m4 (gl_FUNC_GETLINE): When cross-compiling, set am_cv_func_working_getline to "guessing yes" or "guessing no". * m4/memmem.m4 (gl_FUNC_MEMMEM_SIMPLE): When cross-compiling, set gl_cv_func_memmem_works_always to "guessing yes" or "guessing no". (gl_FUNC_MEMMEM): When cross-compiling, set gl_cv_func_memmem_works_fast to "guessing yes" or "guessing no". * m4/stpncpy.m4 (gl_FUNC_STPNCPY): When cross-compiling, set gl_cv_func_stpncpy to "guessing yes" or "guessing no". * m4/strcasestr.m4 (gl_FUNC_STRCASESTR_SIMPLE): When cross-compiling, set gl_cv_func_strcasestr_works_always to "guessing yes" or "guessing no". (gl_FUNC_STRCASESTR): When cross-compiling, set gl_cv_func_strcasestr_linear to "guessing yes" or "guessing no". * m4/strstr.m4 (gl_FUNC_STRSTR_SIMPLE): When cross-compiling, set gl_cv_func_strstr_works_always to "guessing yes" or "guessing no". (gl_FUNC_STRSTR): When cross-compiling, set gl_cv_func_strstr_linear to "guessing yes" or "guessing no". * m4/strtod.m4 (gl_FUNC_STRTOD): When cross-compiling, set gl_cv_func_strtod_works to "guessing yes" or "guessing no". * m4/wctype_h.m4 (gl_WCTYPE_H): When cross-compiling, set gl_cv_func_iswcntrl_works to "guessing yes" or "guessing no".
author Bruno Haible <bruno@clisp.org>
date Tue, 01 May 2012 22:08:47 +0200 (2012-05-01)
parents 8250f2777afc
children b0688a78cfaf
line wrap: on
line diff
--- a/m4/dup2.m4
+++ b/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 @@
         [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.