[CMake] Problems with parsing and CMAKE_MODULE_PATH

[Jesse Perla]

I am running cmake 2.6.3 on vista32 1. Is there any way to add a path for
cmake to permanently look for modules/packages in? I am writing a package,
which I have in SVN, and I really don't want to copy it back and forth to
the cmake folder or I will get out of whack. And when I set the
CMAKE_MODULE_PATH path in the CMakeLists.txt file, it (sometimes) works but
this is a pain to do for every single project that uses my package. 2. When
I do set the CMAKE_MODULE_PATH, I am having strange parsing errors when
expanding environment variables.
I have the following environment variables set in vista:
%ETK_LIBRARIES% = C:\working\libraries\trunk %ETK_BUILD% =
c:/working/libraries/trunk/build
Note that I really don't want "build", I just have it in here for a test.

I have a module called FindETK.cmake in the C:\working\libraries\trunk\build
directory.

In one of my projects using this package, things work fine with:

cmake_minimum_required(VERSION 2.6) set(CMAKE_MODULE_PATH
$ENV{ETK_LIBRARIES}/build ) find_package(ETK)
...

But the EXACT same 3 lines at the top of another project give:
CMake Warning (dev) at CMakeLists.txt:2 (SET): Syntax error in cmake code at
C:/working/libraries/trunk/examples/cmake_example2/build_nmake_debug/CMakeFi
les/CMakeTmp/CMakeLists.txt:2 when parsing string
C:\working\libraries\trunk/build Invalid escape sequence \w

After I set the ETK_BUILD as above (with the / in the wrong direction for
windows), both worked with:
cmake_minimum_required(VERSION 2.6) set(CMAKE_MODULE_PATH $ENV{ETK_BUILD})
find_package(ETK)
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