diff options
Diffstat (limited to 'm4/macros/struct_field_nfs_fh.m4')
-rw-r--r-- | m4/macros/struct_field_nfs_fh.m4 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/m4/macros/struct_field_nfs_fh.m4 b/m4/macros/struct_field_nfs_fh.m4 new file mode 100644 index 000000000000..5bada3081e35 --- /dev/null +++ b/m4/macros/struct_field_nfs_fh.m4 @@ -0,0 +1,35 @@ +dnl ###################################################################### +dnl Find the name of the nfs filehandle field in nfs_args_t. +AC_DEFUN([AMU_STRUCT_FIELD_NFS_FH], +[ +dnl make sure this is called before macros which depend on it +AC_BEFORE([$0], [AC_TYPE_NFS_FH]) +AC_CACHE_CHECK(for the name of the nfs filehandle field in nfs_args_t, +ac_cv_struct_field_nfs_fh, +[ +# set to a default value +ac_cv_struct_field_nfs_fh=notfound +# look for name "fh" (most systems) +if test "$ac_cv_struct_field_nfs_fh" = notfound +then +AC_TRY_COMPILE_NFS( +[ nfs_args_t nat; + char *cp = (char *) &(nat.fh); +], ac_cv_struct_field_nfs_fh=fh, ac_cv_struct_field_nfs_fh=notfound) +fi + +# look for name "root" (for example Linux) +if test "$ac_cv_struct_field_nfs_fh" = notfound +then +AC_TRY_COMPILE_NFS( +[ nfs_args_t nat; + char *cp = (char *) &(nat.root); +], ac_cv_struct_field_nfs_fh=root, ac_cv_struct_field_nfs_fh=notfound) +fi +]) +if test "$ac_cv_struct_field_nfs_fh" != notfound +then + AC_DEFINE_UNQUOTED(NFS_FH_FIELD, $ac_cv_struct_field_nfs_fh) +fi +]) +dnl ====================================================================== |