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-rw-r--r--contrib/amd/m4/macros/type_tmpfs_args.m423
1 files changed, 23 insertions, 0 deletions
diff --git a/contrib/amd/m4/macros/type_tmpfs_args.m4 b/contrib/amd/m4/macros/type_tmpfs_args.m4
new file mode 100644
index 000000000000..79383524e6d7
--- /dev/null
+++ b/contrib/amd/m4/macros/type_tmpfs_args.m4
@@ -0,0 +1,23 @@
+dnl ######################################################################
+dnl Find the correct type for TMPFS mount(2) arguments structure
+AC_DEFUN(AMU_TYPE_TMPFS_ARGS,
+[
+AC_CACHE_CHECK(for structure type of tmpfs mount(2) arguments,
+ac_cv_type_tmpfs_args,
+[
+# set to a default value
+ac_cv_type_tmpfs_args=notfound
+# look for "struct tmpfs_args"
+if test "$ac_cv_type_tmpfs_args" = notfound
+then
+AC_TRY_COMPILE_ANYFS(
+[ struct tmpfs_args a;
+], ac_cv_type_tmpfs_args="struct tmpfs_args", ac_cv_type_tmpfs_args=notfound)
+fi
+])
+if test "$ac_cv_type_tmpfs_args" != notfound
+then
+ AC_DEFINE_UNQUOTED(tmpfs_args_t, $ac_cv_type_tmpfs_args)
+fi
+])
+dnl ======================================================================