[CMake] variables from configuration file

[EXT-Harris, Scott H]

Hi,
I am using cmake-2.8.6-rc4.

In my configuration file, config/cmake/linux.cmake, I have:
set ( COMPILER_HOME /home/harris_s/cots/linux/v12.1/SunStudio12u1-Linux-x86-tar-ML/sunstudio12.1 )

and generated my makefiles like:
cmake -C config/cmake/linux.cmake .

and I would like to use ${COMPILER_HOME} in my CMakeList.txt files but it appears to not be defined.
For example:
install (FILES ${COMPILER_HOME}/lib/rw7/std/amd64/librwtool.so.2 DESTINATION ${TLMDISTRO_CLIENT_INSTALL_TOP}/lib)

but I get this error running gmake:
CMake Error at cmake_install.cmake:106 (FILE):
  file INSTALL cannot find "/lib/rw7/std/amd64/librwtool.so.2".

How can use the COMPILER_HOME value in my CMakeLists.txt files?

Thanks,
Scott

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