build

fabrics: add additional error messages for --concat #3635

Job	Run time
muon minimal static	37s
build libnvme and nvme-cli separately	38s
libnvme (gcc, debug)	40s
cross (ppc64le)	47s
make static	37s
cross (s390x)	51s
cross (armhf)	51s
libnvme (gcc, release)	45s
libnvme (clang, release)	43s
libnvme (clang, debug)	41s
nvme-cli (clang, debug)	49s
nvme-cli (clang, release)	53s
nvme-cli (gcc, debug)	44s
nvme-cli (gcc, release)	54s
fallback shared libraries	0s
	10m 30s

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