diff options
Diffstat (limited to 'config/kernel-d-obtain-alias.m4')
| -rw-r--r-- | config/kernel-d-obtain-alias.m4 | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/config/kernel-d-obtain-alias.m4 b/config/kernel-d-obtain-alias.m4 index d80a1c89c..2b4b11ecc 100644 --- a/config/kernel-d-obtain-alias.m4 +++ b/config/kernel-d-obtain-alias.m4 @@ -2,11 +2,17 @@ dnl # dnl # 2.6.28 API change dnl # Added d_obtain_alias() helper function. dnl # -AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], [ - ZFS_CHECK_SYMBOL_EXPORT( - [d_obtain_alias], - [fs/dcache.c], - [AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1, - [d_obtain_alias() is available])], - []) +AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], + [AC_MSG_CHECKING([whether d_obtain_alias() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include <linux/dcache.h> + ], [ + d_obtain_alias(NULL); + ], [d_obtain_alias], [fs/dcache.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1, + [d_obtain_alias() is available]) + ], [ + AC_MSG_RESULT(no) + ]) ]) |