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Re: pthread Win32 - runtime lib VC++ setting

Hi again,

I've downloaded the pthread sources from the cvs, build them using the VC++
and run the tests using "nmake clean VC".

All the tests passed besides the semaphore1.exe.
The output is:
... Running VC test: semaphore1.exe
thread: sem_trywait 1: No error
Assertion failed: (errno == EAGAIN), file semaphore1.c, line 91
NMAKE : fatal error U1077: '.\semaphore1.exe' : return code '0x1'
NMAKE : fatal error U1077: '"D:\Program Files\Microsoft Visual Studio .NET
2003\Vc7\bin\nmake.exe"' : return code '0x2'

I couldn't find anything about the failure of this test in the docs, so I
assume that it should pass.

As I'm not that used with the posix threads I don't really know what's the
problem ...
Maybe somebody has an idea ?

Thanks a lot,

----- Original Message -----
From: "Ross Johnson" <>
To: "vc" <>
Cc: <>
Sent: Friday, May 09, 2003 2:52 AM
Subject: Re: pthread Win32 - runtime lib VC++ setting

> Hi,
> vc wrote:
> >Hi all,
> >
> >I'm working on Win2k with VC++ 7.1 (VS .NET beta).
> >I have to port a Unix app on Windows, so I'm using the pthread lib for
> >Win32 (
> >
> >I've downloaded the sources, as I want to build them myself, and
> >looking at the VC++ settings, I discovered that in Debug
> >configuration, the /MDd flag is used (which means: "multithread- and
> >DLL-specific versions of the run-time") and in Release configuration
> >the /MT flag is used (even if the release version of the /MDd flag is
> >/MD).
> >
> >Questions:
> >1) Why is not used in the project settings the same flag for both
> >configuration(i.e /MDd - debug; /MD - release or /MTd - debug; /MT -
> >release)? Is there a reason, or it was just by mistake?
> >Note: MS recommended for DLLs to use /MD (/MDd)
> >
> Re the /MT flag, I can't say now because I don't really know.
> >2) If for this is actually no reason, is it ok if I build the sources
> >using the /MD flag for release?
> >
> >3) I donwloaded the sources from
> > and there is a
> >pthreads-snap-2002-11-04 directory. Is this a release version? Is it
> >ok if I'm using this version, or this is just a version between 2
> >releases?
> >
> >
> Since you wan't to build the library yourself, you should get the source
> via anonymous CVS (see the web page for details -
> It has the latest bug fixes,
> and currently bug fixes are the only changes from the latest versions
> available from ftp. I will update the ftp versions ASAP.
> >4) When I downloaded just binaries some time ago, there were 3
> >versions of the binaries: VC, VSE, VCE. The sources that I downloaded
> >now seems to be for the VC version. Am I correct? (because this is the
> >version that interests me)
> >
> >
> See the FAQ file, answer to Q2. For VC you don't need to do anything
> because it is the default. The others can be used if you add the
> appropriate compile flags when you build your application code, and when
> you build the library if you don't use the prebuilt dlls.
> >
> >
> >Thanks a lot in advance,
> >Viv
> >
> Regards.
> Ross
> >
> >

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