1 files changed, 55 insertions, 0 deletions
diff --git a/m4/macros/struct_nfs_args.m4 b/m4/macros/struct_nfs_args.m4
new file mode 100644
index 000000000000..4e6600ff79e6
--- /dev/null
+++ b/m4/macros/struct_nfs_args.m4
@@ -0,0 +1,55 @@
+dnl ######################################################################
+dnl Find if struct nfs_args exists anywhere in typical headers
+AC_DEFUN([AMU_STRUCT_NFS_ARGS],
+[
+dnl make sure this is called before [AC_TYPE_NFS_FH]
+AC_BEFORE([$0], [AC_TYPE_NFS_FH])
+AC_BEFORE([$0], [AC_STRUCT_FIELD_NFS_FH])
+AC_CACHE_CHECK(for struct nfs_args,
+ac_cv_have_struct_nfs_args,
+[
+# try to compile a program which may have a definition for the structure
+# assume not found
+ac_cv_have_struct_nfs_args=notfound
+
+# look for "struct irix5_nfs_args" (specially set in conf/nfs_prot/)
+if test "$ac_cv_have_struct_nfs_args" = notfound
+then
+AC_TRY_COMPILE_NFS(
+[ struct irix5_nfs_args na;
+], ac_cv_have_struct_nfs_args="struct irix5_nfs_args", ac_cv_have_struct_nfs_args=notfound)
+fi
+
+# look for "struct aix5_nfs_args" (specially set in conf/nfs_prot/)
+if test "$ac_cv_have_struct_nfs_args" = notfound
+then
+AC_TRY_COMPILE_NFS(
+[ struct aix5_nfs_args na;
+], ac_cv_have_struct_nfs_args="struct aix5_nfs_args", ac_cv_have_struct_nfs_args=notfound)
+fi
+
+# look for "struct aix4_nfs_args" (specially set in conf/nfs_prot/)
+if test "$ac_cv_have_struct_nfs_args" = notfound
+then
+AC_TRY_COMPILE_NFS(
+[ struct aix4_nfs_args na;
+], ac_cv_have_struct_nfs_args="struct aix4_nfs_args", ac_cv_have_struct_nfs_args=notfound)
+fi
+
+# look for "struct nfs_args"
+if test "$ac_cv_have_struct_nfs_args" = notfound
+then
+AC_TRY_COMPILE_NFS(
+[ struct nfs_args na;
+], ac_cv_have_struct_nfs_args="struct nfs_args", ac_cv_have_struct_nfs_args=notfound)
+fi
+
+])
+
+if test "$ac_cv_have_struct_nfs_args" != notfound
+then
+  AC_DEFINE(HAVE_STRUCT_NFS_ARGS)
+  AC_DEFINE_UNQUOTED(nfs_args_t, $ac_cv_have_struct_nfs_args)
+fi
+])
+dnl ======================================================================