Work on check-macos. #14

Job	Run time
build-tarball	4m 56s
make check on Ubuntu GNU/Linux	7m 57s
make check on macOS (macos-11)	22m 39s
make check on macOS (macos-12)	16m 14s
make check on FreeBSD	3m 51s
make check on Cygwin (32)	53m 25s
make check on Alpine Linux	9m 34s
make check on Cygwin (64)	1h 23m 23s
make check on CentOS GNU/Linux	2m 15s
make check on macOS (macos-13)	19m 30s
make check on macOS (macos-14)	8m 32s
make check on NetBSD	12m 17s
make check on OpenBSD	8m 30s
make check on Solaris 11	22m 3s
make check on Solaris 11 OmniOS	13m 20s
make check on mingw (32)	39m 14s
make check on mingw (64)	45m 18s
make check on MSVC (32)	24m 5s
make check with sanitizers	11m 43s
make check on MSVC (64)	24m 51s
	7h 13m 37s

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