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  • Brad King's avatar
    FindBoost: Restore finding without CXX language enabled · 03693621
    Brad King authored
    Since commit v3.13.0~7^2 (FindBoost: Improve compiler prefix
    detection for GCC 5+ and clang 4+, 2018-11-07) we run the internal
    `_Boost_COMPILER_DUMPVERSION` macro on all UNIX platforms.  Teach
    the macro to tolerate missing `CMAKE_CXX_COMPILER_VERSION`, which
    occurs when the CXX language is not enabled.
    
    Fixes: #18624
    03693621