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bug#10466: MSYS problem with redirects
From: |
Peter Rosin |
Subject: |
bug#10466: MSYS problem with redirects |
Date: |
Fri, 27 Jan 2012 15:37:50 +0100 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0) Gecko/20111222 Thunderbird/9.0.1 |
Stefano Lattarini skrev 2012-01-27 13:20:
> tags 10466 + patch
> severity 10466 minor
> thanks
>
> On 01/16/2012 12:40 PM, Peter Rosin wrote:
>> Sorry for the delay.
>>
> Ditto here :-)
>
>> Stefano Lattarini skrev 2012-01-09 20:32:
>>> On 01/09/2012 12:29 PM, Peter Rosin wrote:
>>>> Hi!
>>>>
>>>> parallel-tests-fd-redirect.test fails on MSYS, and I think
>>>> the cause is that the write (9, ...) simply doesn't work for
>>>> MinGW programs (baz.exe and qux.test.exe). It works for the
>>>> shell scripts (foo.sh and bar) since /bin/sh is an MSYS
>>>> program and thus is a lot more POSIXy. But redirecting from
>>>> the MinGW world to the MSYS world in this manner is simply
>>>> not possible, I think. I think that will only work for
>>>> fd 0,1 and 2 (but I'm not 100% sure).
>>>>
> The attached patch should take care of the issue. Can you confirm
> this is actually the case, before I push it?
On Cygwin with gcc, both tests PASS. Good.
On MSYS(in MinGW mode) with gcc, ...-exeext SKIPs, because of this:
configure:3327: cc -o conftest.exe -g -O2 conftest.c >&5
configure:3327: $? = 0
configure:3328: ./conftest.exe 9>&1
configure:3331: $? = 0
configure:3333: (./conftest.exe 9>&1) | grep ^foobar
configure:3336: $? = 1
Good.
On MSYS/cl, ...-exeext SKIPs, because of this:
configure:3327: /c/Cygwin/home/peda/automake-1.11.2b/lib/compile cl -nologo -o
conftest.exe conftest.c >&5
conftest.c
conftest.c(11) : fatal error C1083: Cannot open include file: 'unistd.h': No
such file or directory
configure:3327: $? = 2
Probably not intended, but perhaps a good thing, because unistd.h will not
be available everywhere and lacking it is not should not cause a FAIL in
the Automake test suite.
So, the patch is good. Thanks for fixing!
Cheers,
Peter