|
Hi all. I know that when you open cmd.exe, it loads all of the
environment variables and caches them. If you were to navigate to System ->
Advanced -> Environment Variables and add a new System variable named “testvar”,
typing “cd %testvar%” in the existing cmd.exe wouldn’t work.
You’d need to open a new cmd.exe instance for it to know about the new environment
variable. This doesn’t seem be to true for candle.exe, which I
assume uses what Visual Studio 2005 caches from Environment Variables when it
starts. I was working on a project and wanted all of my File sources to inherit
from a parent directory that will be different on the Team Foundation Build system
and developer workstations. Leaving Visual Studio 2005 open, I created a new
Environment Variable named “BuildPath” with the value “C:\Build”.
I then referenced this path for each File in my .WXS, for example: <File Id=”test.exe”
Name=”test.exe” KeyPath=”yes”
Source=”$(env.BuildPath)\TestFolder\test.exe” /> Upon pressing F7 (Build Solution), it returns the error “Error
CNDL0150: Undefined preprocessor variable ‘$(env.BuildPath)’.”
On a hunch I closed Visual Studio 2005, opened the Solution, and pressed F7 again
to it have it work perfectly. I’m having a hard time understanding why this would be
different from my cmd.exe example, if each time I press F7 (Build Solution), a
new instance of candle.exe is starting. I’m not familiar with all of the
nuances of Visual Studio; is it standard for compilers and linkers to use environment
variables cached by Visual Studio? If not, should I file this as a bug? Thank you. Joel Peterson |
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