Kefu Chai d81478b569 cmake: add an option "WITH_FMT_HEADER_ONLY" ... in this change: * an interface library named "fmt-header-only" is introduced. it brings the support to the header only fmt library. * fmt::fmt is renamed to fmt * an option named "WITH_FMT_HEADER_ONLY" is introduced * fmt::fmt is an alias of "fmt-header-only" if "WITH_FMT_HEADER_ONLY" is "ON", and an alias of "fmt" otherwise. because fmt is packaged in EPEL, while librados is packaged in RHEL, so we cannot have fmt as a runtime dependency of librados. to address this issue an option "WITH_FMT_HEADER_ONLY" is introduced, so that we can enable it when building Ceph with the header version of fmt. and the built packages won't have runtime dependency of fmt. Signed-off-by: Kefu Chai <kchai@redhat.com>		2021-07-24 02:26:45 +08:00
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modules	cmake: add an option "WITH_FMT_HEADER_ONLY"	2021-07-24 02:26:45 +08:00