[LLVMdev] lit test suite on Windows always hangs.

[Reid Kleckner]

I think that comment about Cygwin and MSys is wrong.  The Cygwin utilities
work for me on Windows, but I don't build or test in VS.  I think you just
need to get them onto PATH, which you will also need to do with GnuWin32.


On Fri, May 30, 2014 at 10:23 AM, Zachary Turner <zturner at google.com> wrote:

> Thanks, I wasn't aware of that requirement!  I wonder if this should be
> mentioned on the llvm getting started page as well, as I had never seen
> this page.
>
>
> On Fri, May 30, 2014 at 10:20 AM, Aaron Ballman <aaron at aaronballman.com>
> wrote:
>
>> On Fri, May 30, 2014 at 1:13 PM, Zachary Turner <zturner at google.com>
>> wrote:
>> > I'm using Windows 8.1, and every time I run check-clang, I eventually
>> end up
>> > with a bunch of hung processes.  Generally this is an instance of
>> clang.exe,
>> > a bunch of instances of FileCheck.exe, and occasionally an llc.exe and
>> an
>> > opt.exe.
>> >
>> > Inside, the processes are all hung inside of calls to WriteFile()
>> attempting
>> > to write to stdout.
>> >
>> > I notice some of the tests fail with output indicating that it expects a
>> > unix-like environment.  For example:
>> >
>> > 207>  ********************
>> > 207>  FAIL: Clang :: CodeGen/2004-06-17-UnorderedCompares.c (1109 of
>> 7263)
>> > 207>  ******************** TEST 'Clang ::
>> > CodeGen/2004-06-17-UnorderedCompares.c' FAILED ********************
>> > 207>  Script:
>> > 207>  --
>> > 207>  D:/src/llvm/build/vs2013/Debug/bin/clang.EXE -cc1
>> -internal-isystem
>> > D:\src\llvm\build\vs2013\Debug\bin\..\lib\clang\3.5.0\include  -std=c99
>> > D:\src\llvm\tools\clang\test\CodeGen\2004-06-17-UnorderedCompares.c
>> > -emit-llvm -o - | grep -v llvm.isunordered |
>> > D:/src/llvm/build/vs2013/Debug/bin\not.EXE grep call
>> > 207>  --
>> > 207>  Exit Code: 127
>> > 207>
>> > 207>  Command Output (stdout):
>> > 207>  --
>> > 207>  Command 0: "grep" "-v" "llvm.isunordered"
>> > 207>  Command 0 Result: 127
>> > 207>  Command 0 Output:
>> > 207>
>> > 207>
>> > 207>  Command 0 Stderr:
>> > 207>  'grep': command not found
>> > 207>
>> > 207>
>> > 207>  --
>> > 207>
>> > 207>  ********************
>> >
>> > Any suggestions?
>>
>> Do you have GnuWin32 installed, and on your path? You may want to look
>> at http://clang.llvm.org/get_started.html under the Visual Studio
>> section (the information applies to llvm as well).
>>
>> ~Aaron
>>
>
>
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