http://bugs.gentoo.org/442226
--- a/progsreiserfs.m4+++ b/progsreiserfs.m4@@ -10,7 +10,7 @@dnl Adds the required libraries to $REISERFS_LIBS and does an
dnl AC_SUBST(REISERFS_LIBS)
-AC_DEFUN(AC_CHECK_LIBREISERFS,+AC_DEFUN([AC_CHECK_LIBREISERFS],[
dnl save LIBS