Port recent close-on-exec changes to Cygwin.

* lib/binary-io.c, lib/binary-io.h: New files.
Merge from gnulib, incorporating:
2013-07-09 accept4, dup3, pipe2: port to Cygwin
* lib/pipe2.c: Update from gnulib, as part of this merge.
* lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.

Fixes: debbugs:14821

2 files changed, 4 insertions, 1 deletions

diff --git a/admin/ChangeLog b/admin/ChangeLog
index deb3059f8d2..b9dc8cbafdc 100644
--- a/admin/ChangeLog
+++ b/admin/ChangeLog
@@ -1,5 +1,8 @@
 2013-07-09  Paul Eggert  <eggert@cs.ucla.edu>
 
+        Port recent close-on-exec changes to Cygwin (Bug#14821).
+        * merge-gnulib (GNULIB_TOOL_FLAGS): Don't avoid binary-io.
+
         Handle error numbers a bit more reliably.
         * merge-gnulib (GNULIB_MODULES): Remove ignore-value.
 
diff --git a/admin/merge-gnulib b/admin/merge-gnulib
index be4dfdd409c..82e0cd77fca 100755
--- a/admin/merge-gnulib
+++ b/admin/merge-gnulib
@@ -41,7 +41,7 @@ GNULIB_MODULES='
 '
 
 GNULIB_TOOL_FLAGS='
-  --avoid=binary-io --avoid=close --avoid=dup
+  --avoid=close --avoid=dup
   --avoid=fchdir --avoid=fstat
   --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow
   --avoid=open --avoid=openat-die --avoid=opendir