[WIP] Switch from autotools to CMake #195

Job	Run time
Build and test with clang	1m 18s
Build and test with ASAN enabled	47s
Build and test on macOS	34s
Build and test with gcc -m32	37s
Build and test with gcc	35s
Run shellcheck	10s
Build and test with UBSAN enabled	20s
Build on Windows (MINGW32, mingw-w64-i686-gcc mingw-w64-i686-cmake mingw-w64-i686-ninja)	1m 31s
Build on Windows (MINGW64, mingw-w64-x86_64-gcc mingw-w64-x86_64-cmake mingw-w64-x86_64-ninja)	1m 38s
Fuzz with libFuzzer (wim )	2m 25s
Build on Windows (CLANG32, mingw-w64-clang-i686-clang mingw-w64-clang-i686-cmake mingw-w64-clang-...	1m 31s
Fuzz with wlfuzz (Linux, none)	2m 34s
Fuzz with libFuzzer (wim --asan --ubsan)	2m 42s
Build on Windows (CLANG64, mingw-w64-clang-x86_64-clang mingw-w64-clang-x86_64-cmake mingw-w64-cl...	1m 32s
Fuzz with wlfuzz (Linux, ASAN)	2m 30s
Fuzz with libFuzzer (encoding --asan --ubsan)	2m 35s
Build on Windows (CLANGARM64, --install-prerequisites)	1m 24s
Fuzz with wlfuzz (Linux, UBSAN)	2m 29s
Fuzz with libFuzzer (xmlproc )	2m 3s
Fuzz with libFuzzer (xmlproc --asan --ubsan)	1m 58s
Fuzz with libFuzzer (xml_windows --asan --ubsan)	2m 40s
Fuzz with wlfuzz (Windows)	1m 48s
Run win32-test-imagex-capture_and_apply.bat	1m 39s
Fuzz with libFuzzer (compress )	3m 8s
Fuzz with libFuzzer (compress --asan --ubsan)	2m 41s
Fuzz with libFuzzer (decompress )	2m 53s
Fuzz with libFuzzer (decompress --asan --ubsan)	2m 44s
	48m 46s

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