Merge pull request ceph#4834 from liewegas/wip-11461

fix build on arm w/ old kernels Signed-off-by: Noah Watkins <[email protected]>
osynge · Jun 5, 2015 · a8500ce · a8500ce
2 parents 905a867 + fdcc007
commit a8500ce
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/arch/arm.c b/src/arch/arm.c
@@ -48,7 +48,11 @@ int ceph_arch_arm_probe(void)
 	ceph_arch_neon = (get_hwcap() & HWCAP_NEON) == HWCAP_NEON;
 #elif __aarch64__ && __linux__
 	ceph_arch_neon = (get_hwcap() & HWCAP_ASIMD) == HWCAP_ASIMD;
+# ifdef HWCAP_CRC32
 	ceph_arch_aarch64_crc32 = (get_hwcap() & HWCAP_CRC32) == HWCAP_CRC32;
+# else
+	ceph_arch_aarch64_crc32 = false;  // sorry!
+# endif
 #else
 	if (0)
 		get_hwcap();  // make compiler shut up