Fix unrecognized flags and barrage of warnings with clang-cl

bombela / backward-cpp

A beautiful stack trace pretty printer for C++

MIT License

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Fix unrecognized flags and barrage of warnings with clang-cl #222

Open oold opened 3 years ago

oold commented 3 years ago

clang-cl needs special handling for non-MSVC options. Also bumping CMake version to 3.1 to avoid CMP0054 OLD behavior. "-Wall" causes the MSVC-compatible driver to do the equivalent of "-Weverything." "-g" was entirely unrecognized.