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[ upstream commit e0473c6 ] In musl libc, cpu_set_t is defined only if _GNU_SOURCE is defined. In case _GNU_SOURCE is undefined, as in eal_common_errno.c, it was not possible to include rte_os.h which uses cpu_set_t. This limitation is removed: if CPU_SETSIZE is not defined, cpu_set_t related definitions and functions are skipped. Note: such definitions are unneeded in eal_common_errno.c. Applications which do not define _GNU_SOURCE may miss cpu_set_t related features on musl. Such case is detected by RTE_HAS_CPUSET being undefined, so functions which depend on rte_cpuset_t will be unavailable. A missing include of fcntl.h is also added. Bugzilla ID: 35 Fixes: 11b57c6 ("eal: fix error string function") Fixes: 176bb37 ("eal: introduce internal wrappers for file operations") Signed-off-by: Thomas Monjalon <thomas@monjalon.net> Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru> Acked-by: David Marchand <david.marchand@redhat.com>
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