Tolerate declared but missing dup3 syscall.

[gnulib.git] / ChangeLog

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 2009-08-23  Bruno Haible  <bruno@clisp.org>
 
+       Tolerate declared but missing dup3 syscall.
+       * lib/dup3.c (dup3): Invoke original dup3 function first, if available.
+       * lib/unistd.in.h (dup3): If the function is already present,
+       override it.
+       * m4/dup3.m4 (gl_FUNC_DUP3): Remove AC_LIBOBJ invocation.
+       * modules/dup3 (Makefile.am): Compile dup3.c always.
+       Reported by Paolo Bonzini.
+
+2009-08-23  Bruno Haible  <bruno@clisp.org>
+
        Tolerate declared but missing pipe2 syscall.
        * lib/pipe2.c (pipe2): Invoke original pipe2 function first, if
        available.