Build

fixes and improvements for nvme_copy_test #4425

Job	Run time
libnvme (debian, gcc, release)	55s
muon minimal static	35s
musl libc minimal static build on Debian	29s
cross (ppc64le)	47s
build libnvme and nvme-cli separately	49s
musl libc build on Alpine	38s
cross (s390x)	43s
musl libc build on Debian	39s
windows-msys2-ucrt64	2m 2s
make static	53s
cross (armhf)	45s
nvme-cli (debian, gcc, release)	1m 4s
nvme-cli (debian, clang, debug)	54s
nvme-cli (debian, gcc, debug)	1m 1s
nvme-cli (debian, clang, release)	1m 12s
nvme-cli (fedora, gcc, debug)	53s
nvme-cli (fedora, gcc, release)	1m 6s
nvme-cli (fedora, clang, release)	55s
nvme-cli (tumbleweed, clang, debug)	51s
nvme-cli (tumbleweed, gcc, release)	1m 20s
nvme-cli (tumbleweed, gcc, debug)	58s
nvme-cli (tumbleweed, clang, release)	1m 2s
nvme-cli (fedora, clang, debug)	48s
fallback shared libraries	0s
	21m 19s

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