CMake refactoring and subproject friendliness #1304
Merged
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Modeled after recent similar changes in OIIO.
Detect if OSL is being built as a subproject, and if so, set
OSL_IS_SUBPROJECT
(a.k.a.${PROJECT_NAME}_IS_SUBPROJECT
).Move all the testing logic out of the main CMakeLists.txt (and a few
testing-related macros from oiio_macros.cmake) and into a new
src/cmake/testing.cmake.
Move all of the packaging logic out of the main CMakeLists.txt and
into a new src/cmake/packaging.cmake.
Make all the testing and packaging inactive if this is being built
as a subproject. Also disable the clang-format target for subprojects.
Signed-off-by: Larry Gritz [email protected]