error: depend on stdio

[gnulib.git] / m4 / dup3.m4

diff --git a/m4/dup3.m4 b/m4/dup3.m4
index 29b8dc0..23b6bb1 100644 (file)
--- a/m4/dup3.m4
+++ b/m4/dup3.m4
@@ -1,5 +1,5 @@
-# dup3.m4 serial 3
-dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
+# dup3.m4 serial 5
+dnl Copyright (C) 2009-2013 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.
@@ -11,7 +11,7 @@ AC_DEFUN([gl_FUNC_DUP3],
   dnl Persuade glibc <unistd.h> to declare dup3().
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
-  AC_CHECK_FUNCS_ONCE([dup3])
+  AC_CHECK_FUNCS_ONCE([dup3 setdtablesize])
   if test $ac_cv_func_dup3 != yes; then
     HAVE_DUP3=0
   fi
@@ -22,7 +22,9 @@ dnl  dnl to keep fchdir's bookkeeping up-to-date.
 dnl  m4_ifdef([gl_FUNC_FCHDIR], [
 dnl    gl_TEST_FCHDIR
 dnl    if test $HAVE_FCHDIR = 0; then
-dnl      REPLACE_DUP3=1
+dnl      if test $HAVE_DUP3 = 1; then
+dnl        REPLACE_DUP3=1
+dnl      fi
 dnl    fi
 dnl  ])
 ])