A handful of improvements related to cross compiling #163

Job	Run time
build-test (ubuntu-latest, gcc, amd64)	20m 27s
build-test (ubuntu-latest, gcc, c)	26m 33s
build-test (ubuntu-latest, clang, amd64)	20m 56s
build-test (ubuntu-latest, clang, c)	29m 17s
build-test (ubuntu-latest, clang, llvm)	30m 34s
build-test (macos-13, gcc, amd64)	47m 28s
build-test (macos-13, gcc, c)	49m 10s
build-test (macos-13, clang, amd64)	52m 4s
build-test (macos-13, clang, c)	49m 16s
build-test (macos-13, clang, llvm)	50m 21s
build-test (windows-latest, gcc, amd64)	41m 29s
	6h 57m 35s

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