[CMake] windowsproblem with backslashes in path variables - h ow to avoid?

[Dekeyser, Kris]

Hi,

STRING(REGEX REPLACE "\\\\" "/" CORBA_ROOT_DIR ${CORBA_ROOT_DIR}) 

Works for me.

HTH, Kris

-----Original Message-----
From: Sören Freudiger [mailto:muffmolch at gmx.de] 
Sent: Tuesday, 30 August, 2005 11:49
To: cmake at cmake.org
Subject: [CMake] windowsproblem with backslashes in path variables - how to avoid?

Within windows we have this stupid problem with the backslash character
instead of slash character for seperate folders:

Enviroment variabels often are something like "C:\Programs\MPI"

If I do something like:
INCLUDE_DIRECTORIES( $ENV{MPI_DIR}/include )
Then folowing error occurs:
"Cmake Error: Invalid escape sequence \P"

Yeah that's right, because it should be "C:\\Programs\\MPI"       
Or better: "C:/Programs/MPI" 

I tried 
STRING(REGEX REPLACE "\" "/" TEST_VARIABLE "${TEST_VARIABLE}")
and
STRING(REGEX REPLACE "\\" "/" TEST_VARIABLE "${TEST_VARIABLE}")  
but all of this ends up in an error.

But if I'm doing:
SET(TEST1 $ENV{MPI_DIR})
MESSAGE(&{TEST1 }) --> C:\Programs\MPI
SET(TEST1 ${EMPTY})  --> EMPTY wasn't defined before
MESSAGE(&{TEST1 }) --> C:/Programs/MPI

So what's the standard way to avoid this problem?

Best regards,
SirAnn	 


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