3) Have CMake generate VC Solutions with the same GUIDs each time
I think you want that CMake generates the same GUIDs each time -and- on
any computer.
We had this problem here, it's a common issue when you have to source
controlled your projects.
You have 2 possibilities:
1) Use the same CMakeLists.txt on each computer. It works but it is very
limited.
2) Patch CMake to support this feature. This is what we've done here.
So, we implemented a GUID macro for the CMakeLists.txt command:
MACRO(GUID guid)
# for Visual Studio
IF(CMAKE_GENERATOR MATCHES "Visual Studio")
STRING(TOUPPER ${PROJECT_NAME} UPPER_PROJECT_NAME)
SET(${UPPER_PROJECT_NAME}_GUID ${guid})
ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio")
ENDMACRO(GUID)
The result is a variable called NAMEPROJECT_GUID.
The idea is to get this variable if it exists in the CMakeCache.txt
instead of the variable named CMAKE_PROJECTNAME_GUID which is different
when you generate project files on two different computers.
So you have to patch the following methods:
-cmGlobalVisualStudio71Generator::CreateGUID : to adds your GUID to
the cache
-cmGlobalVisualStudio71Generator::GetGUID : to get your GUID
I can't submit a patch since this feature is implemented in a custom
generator and it is embedded in a lot of customizations.
CMake is the first open source program I am working with and I made some
mistakes that prevent me from sharing our custom features to the community.
I will act differently next time.
Sylvain
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