I'm seeing the following in cygwin with m4 1.4.12, due to an interaction
between the closeout module and libsigsegv:
$ echo hi > file
$ build/src/m4 >&- file
build/src/m4: internal error detected; please report this bug to : Segmentation fault
I've traced it to the fact that m4 uses the closeout
Eric Blake byu.net> writes:
> but I think the simplest is just replacing the existing two calls
> to pipe/fd_safer with the simpler one-line call to pipe_safer. I'll commit a
> patch later today, which also adds a pipe-test module using your test-pipe.c
> as a starting point (but avoiding the
Akim Demaille lrde.epita.fr> writes:
> Reading the code, I don't see why the child should be affected here,
> but it is.
It is due to a bug in gnulib.
| if (pipe_stdin)
|if (pipe (ofd) < 0
||| (ofd[1] = fd_safer (ofd[1])) < 0)
This has the effect of setting ofd to {1,5} if exact
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According to Eric Blake on 7/17/2009 6:25 AM:
> make: *** No rule to make target `spawn.h', needed by `all'. Stop.
>
> In lib/gnulib.mk, I see lines like:
>
> BUILT_SOURCES += $(SPAWN_H)
> BUILT_SOURCES += $(STDBOOL_H)
>
> In the corresponding Make
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According to Eric Blake on 7/17/2009 6:14 AM:
>> The attempt to use create-pipe-bidi is pushed in Bison's branch
>> candidates/create-pipe-bidi, if some wants to play with it. The test
>> case is compiled as src/test-pipe.
>
> I'll try and find some
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According to Akim Demaille on 7/15/2009 6:44 AM:
> I have tried to write a small test case for gnulib (made to be
> eventually included there, at least it would be a useful sample). It
> shows the same problem, although somewhat differently.
It's a n
