Hi Thomas, According to the documentation CMAKE_SIZEOF_VOID_P it is determined by > running the compiler. However it seems that it is not using pertinent flags > from the configuration, in particular CMAKE_C_FLAGS and CMAKE_CXX_FLAGS. >
It is but the results from type size checking get saved in cache variables so when run a second time, even though specifying extra CMAKE_CXX_FLAGS, the CMAKE_SIZEOF_VOID_P variable already exists in cache so it's not checked again. If you clear your build directory before each invocation of CMake then you should see it switch between 4 and 8 as expected. ---------- Chuck Atkins Staff R&D Engineer, Scientific Computing Kitware, Inc.
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