CMake

Merge pull request #893 from chayleaf/gnu-install-dirs #512

Job	Run time
coverage	5m 53s
test-install-release (macos-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-un...	15m 18s
test-install-release (macos-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-un...	13m 1s
test-install-release (ubuntu-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-u...	8m 6s
test-install-release (ubuntu-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-u...	10m 0s
test-install-release (windows-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-...	17m 2s
test-install-release (windows-latest, -Wall -Wno-unused-dummy-argument -Wno-unused-variable -Wno-...	15m 59s
	1h 25m 19s

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