How does MSVC++ 6.0 determine the PATH for builds

How does MSVC++ 6.0 determine the value of the PATH environment variable for a build?  When I dump the path using a custom build step.  When I dump the PATH from a command line, it is different.  Example shown below.  I guess I was expecting it to use the same PATH in MSVC++ 6.0 that I see from the command line.

From build:

Performing Custom Build Step on .\Debug\PathTest.exe
PATH=C:\Program Files\Microsoft Visual Studio\Common\MSDev98\Bin;C:\Program Files\Microsoft Visual Studio\VC98\BIN;C:\Program Files\Microsoft Visual Studio\Common\TOOLS;C:\Program Files\Microsoft Visual Studio\Common\TOOLS\WINNT;C:\Program Files\Spe
cial\IBM\WebSphere MQ\Java\lib;C:\Oracle\ora920\bin;C:\Program Files\Oracle\jre\1.1.8\bin;C:\WINNT\system32;C:\WINNT;C:\WINNT\System32\Wbem;C:\Program Files\Symantec\pcAnywhere;C:\Program Files\Nestle\MSTools;C:\PROGRA~1\Special\IBM\IMNNQ;C:\Program
 Files\Special\SQLLIB\BIN;C:\Program Files\Special\SQLLIB\FUNCTION;C:\Program Files\Special\SQLLIB\SAMPLES\REPL;C:\Program Files\Special\SQLLIB\HELP;C:\Program Files\Special\IBM\WebSphere MQ\bin;C:\Program Files\Special\IBM\WebSphere MQ\tools\c\samp
les\bin;C:\Program Files\special\Rational\common;C:\Program Files\special\Rational\ClearCase\bin;C:\Program Files\Special\Rogue Wave\Stingray Studio\Bin;C:\Program Files\Special\Rogue Wave\Stingray Studio\Lib;C:\Program Files\Special\Rogue Wave\Stin
gray Studio\Regex\Lib\VC6

From command line:

H:\>PATH
PATH=C:\Program Files\SAP\FrontEnd\SAPgui\wwi\;C:\Program Files\Special\IBM\WebSphere MQ\Java\lib;C:\Oracle\ora920\bin;C:\Program Files\Oracle\jr
e\1.1.8\bin;C:\WINNT\system32;C:\WINNT;C:\WINNT\System32\Wbem;C:\Program Files\Symantec\pcAnywhere\;C:\Program Files\Nestle\MSTools\;C:\PROGRA~1\
Special\IBM\IMNNQ;C:\Program Files\Special\SQLLIB\BIN;C:\Program Files\Special\SQLLIB\FUNCTION;C:\Program Files\Special\SQLLIB\SAMPLES\REPL;C:\Pr
ogram Files\Special\SQLLIB\HELP;C:\Program Files\Special\IBM\WebSphere MQ\bin;C:\Program Files\Special\IBM\WebSphere MQ\tools\c\samples\bin;C:\Pr
ogram Files\Special\JProbe Suite 5.2.0\bin;C:\Program Files\Special\Lotus\Notes;c:\source\utility\sndmail;c:\Program Files\Microsoft SQL Server\9
0\Tools\binn\;C:\Program Files\Special\apache-ant-1.6.5\bin;C:\Program Files\Special\TortoiseCVS;C:\Program Files\QuickTime\QTSystem\;C:\Program
Files\Special\Rational\common;C:\Program Files\Common Files\Adaptec Shared\System;C:\Program Files\Remote Desktop
jribbleAsked:
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jose_juanCommented:
Hi,

all VS versions have a command line shortcut (to a batch file), this batch set all concrete variables for your VS version.

Try check it (is in VC directory).

Good luck!
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jribbleAuthor Commented:
I see what you are saying, but it seems I am missing something.  I would expect the build PATH being used to be the same as the PATH from a command line with the extra items added, but that is not the case (see below).  Do you know any reason why this would be so?

Performing Custom Build Step on .\Debug\PathTest.exe
PATH=
C:\Program Files\Microsoft Visual Studio\Common\MSDev98\Bin;
C:\Program Files\Microsoft Visual Studio\VC98\BIN;
C:\Program Files\Microsoft Visual Studio\Common\TOOLS;
C:\Program Files\Microsoft Visual Studio\Common\TOOLS\WINNT;
C:\Program Files\Special\IBM\WebSphere MQ\Java\lib;
C:\Oracle\ora920\bin;
C:\Program Files\Oracle\jre\1.1.8\bin;
C:\WINNT\system32;
C:\WINNT;
C:\WINNT\System32\Wbem;
C:\Program Files\Symantec\pcAnywhere;
C:\Program Files\Nestle\MSTools;
C:\PROGRA~1\Special\IBM\IMNNQ;
C:\Program Files\Special\SQLLIB\BIN;
C:\Program Files\Special\SQLLIB\FUNCTION;
C:\Program Files\Special\SQLLIB\SAMPLES\REPL;
C:\Program Files\Special\SQLLIB\HELP;
C:\Program Files\Special\IBM\WebSphere MQ\bin;
C:\Program Files\Special\IBM\WebSphere MQ\tools\c\samples\bin;
C:\Program Files\special\Rational\common;
C:\Program Files\special\Rational\ClearCase\bin;
C:\Program Files\Special\Rogue Wave\Stingray Studio\Bin;
C:\Program Files\Special\Rogue Wave\Stingray Studio\Lib;
C:\Program Files\Special\Rogue Wave\Stingray Studio\Regex\Lib\VC6

PATH from command line:

H:\>PATH
PATH=
C:\Program Files\SAP\FrontEnd\SAPgui\wwi\;
C:\Program Files\Special\IBM\WebSphere MQ\Java\lib;
C:\Oracle\ora920\bin;
C:\Program Files\Oracle\jre\1.1.8\bin;
C:\WINNT\system32;
C:\WINNT;
C:\WINNT\System32\Wbem;
C:\Program Files\Symantec\pcAnywhere\;
C:\Program Files\Nestle\MSTools\;
C:\PROGRA~1\Special\IBM\IMNNQ;
C:\Program Files\Special\SQLLIB\BIN;
C:\Program Files\Special\SQLLIB\FUNCTION;
C:\Program Files\Special\SQLLIB\SAMPLES\REPL;
C:\Program Files\Special\SQLLIB\HELP;
C:\Program Files\Special\IBM\WebSphere MQ\bin;
C:\Program Files\Special\IBM\WebSphere MQ\tools\c\samples\bin;
C:\Program Files\Special\JProbe Suite 5.2.0\bin;
C:\Program Files\Special\Lotus\Notes;
c:\source\utility\sndmail;
c:\Program Files\Microsoft SQL Server\90\Tools\binn\;
C:\Program Files\Special\apache-ant-1.6.5\bin;
C:\Program Files\Special\TortoiseCVS;
C:\Program Files\QuickTime\QTSystem\;
C:\Program Files\Special\Rational\common;
C:\Program Files\Common Files\Adaptec Shared\System;
C:\Program Files\Remote Desktop

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jose_juanCommented:
Uhm...

the PATH is set for each user account...

Check your own PATH.

Check what user are in build step.

What type project you are using?

Also, you can try to debug all process (childs from your execution) and subprocess (e.g. file I/O access) to check all process and possible access to PATH environment variable.

Good luck!
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