[LLVMdev] lit test suite on Windows always hangs.

[Zachary Turner]

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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