what's %(var) mean in vs2010 Project settings pages?

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VS2010

Like the title mentioned.
e.g
Project settings/configure properties/Linker/general/additional Library Directories->%(AdditionalLibraryDirectories)

But many properties use variable "$(SourcePath)",so what's the different between them.(%(var)<->$(var))

BTW,How can i determine the %(AdditionalLibraryDirectories) 's value?

regards!

Posted 12-Feb-15 22:48pm

jiazhiqiang

Updated 12-Feb-15 22:50pm

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Richard MacCutchan · Accepted Answer · 2015-02-12T23:21:00

Solution 1

These variables are all declared in the Macros section in the project's properties. You can see what they are set to. Similarly with AdditionalLibraryDirectories.

Posted 12-Feb-15 23:21pm

Richard MacCutchan

Comments

jiazhiqiang 24-Feb-15 9:36am

so what's the different between them.(%(var)<->$(var))

Richard MacCutchan 24-Feb-15 9:53am

I have never bothered to find out. Maybe the VS Help will explain it.

jiazhiqiang 25-Feb-15 20:02pm

no where to find it in vs help.
But the reality is the Macros section really contain both %(var) ,$(var).
thanks anyway.

Richard MacCutchan 26-Feb-15 4:29am

I have just had another look at these and it would appear that:
The the variables preceded by the $ sign are global variables; that is they are common to each section of the project.
Those preceded by the % sign apply only to that section of the project being checked. For example Compiler, Linker etc.

jiazhiqiang 26-Feb-15 4:48am

thanks!so kind of you!

Richard MacCutchan 26-Feb-15 4:50am

No problem. It has helped me understand something I occasionally wondered about.