2013-07-09 Paul Eggert <eggert@cs.ucla.edu>
+ Port recent close-on-exec changes to Cygwin (Bug#14821).
+ * 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.
+
Handle errno and exit status a bit more carefully.
* lib/ignore-value.h: Remove this gnulib-imported file.
* lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.