>
> This works:
> set( project_count 0 CACHE INTERNAL "")
> function( define_project )
> math( EXPR count "${project_count}+1" )
> set( project_count ${count} CACHE INTERNAL "")
> endfunction()
> define_project()
> message(${project_count})
> define_project()
> message(${project_count})
> define_project()
> message(${project_count})
> It prints out
> 1
2
> 3
Unfortunately this isn't a valid test case.
You need to add each call to define_project() into a CMakeLists.txt script
in a subdirectory, and then call add_subdirectory() from the root script. It
won't work in that case in my tests.
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