Work on check-macos. #11

Job	Run time
build-tarball	4m 56s
make check on Cygwin (32)	54m 38s
make check on CentOS GNU/Linux	3m 26s
make check on FreeBSD	4m 59s
make check on Cygwin (64)	1h 22m 29s
make check on Alpine Linux	9m 32s
make check on Ubuntu GNU/Linux	3m 16s
make check on macOS (macos-11)	10m 38s
make check on mingw (32)	40m 30s
make check on MSVC (32)	24m 0s
make check on macOS (macos-12)	7m 45s
make check on mingw (64)	44m 51s
make check on MSVC (64)	23m 29s
make check on NetBSD	5m 40s
make check on macOS (macos-13)	9m 11s
make check on OpenBSD	11m 2s
make check with sanitizers	5m 8s
make check on macOS (macos-14)	4m 13s
make check on Solaris 11	10m 0s
make check on Solaris 11 OmniOS	9m 53s
	6h 9m 36s

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