--- subversion-1.8.1/build/ac-macros/berkeley-db.m4
+++ subversion-1.8.1/build/ac-macros/berkeley-db.m4
@@ -48,7 +48,7 @@
   AC_ARG_WITH(berkeley-db, [AS_HELP_STRING(
                                            [[--with-berkeley-db[=HEADER:INCLUDES:LIB_SEARCH_DIRS:LIBS]]], [
                           The Subversion Berkeley DB based filesystem library 
-                          requires Berkeley DB $db_version or $db_alt_version.  If you
+                          requires Berkeley DB $db_version or newer.  If you
                           specify `--without-berkeley-db', that library will
                           not be built.  If you omit the argument of this option
                           completely, the configure script will use Berkeley DB
@@ -126,35 +126,22 @@
     svn_lib_berkeley_db=no
   else
     AC_MSG_CHECKING([for availability of Berkeley DB])
-    AC_ARG_ENABLE(bdb6,
-      AS_HELP_STRING([--enable-bdb6],
-                     [Allow building against BDB 6+.
-                      See --with-berkeley-db for specifying the location of
-                      the Berkeley DB installation.  Using BDB 6 will fail if
-                      this option is not used.]),
-      [enable_bdb6=$enableval],[enable_bdb6=unspecified])
-
-    SVN_LIB_BERKELEY_DB_TRY($1, $2, $3, $enable_bdb6)
+    SVN_LIB_BERKELEY_DB_TRY($1, $2, $3)
     if test "$svn_have_berkeley_db" = "yes"; then
       AC_MSG_RESULT([yes])
       svn_lib_berkeley_db=yes
     else
-      if test "$svn_have_berkeley_db" = "no6"; then
-        AC_MSG_RESULT([no (found version 6, but --enable-bdb6 not specified)])
-        # A warning will be printed at the end of configure.ac.
-      else
-        AC_MSG_RESULT([no])
-      fi
+      AC_MSG_RESULT([no])
       svn_lib_berkeley_db=no
       if test "$bdb_status" = "required"; then
-        AC_MSG_ERROR([Berkeley DB $db_version or $db_alt_version wasn't found.])
+        AC_MSG_ERROR([Berkeley DB $db_version or newer't found.])
       fi
     fi
   fi
 ])
 
 
-dnl   SVN_LIB_BERKELEY_DB_TRY(major, minor, patch, enable_bdb6)
+dnl   SVN_LIB_BERKELEY_DB_TRY(major, minor, patch)
 dnl
 dnl   A subroutine of SVN_LIB_BERKELEY_DB.
 dnl
@@ -187,7 +174,6 @@
     svn_check_berkeley_db_major=$1
     svn_check_berkeley_db_minor=$2
     svn_check_berkeley_db_patch=$3
-    enable_bdb6=$4
 
    if test -z "$SVN_DB_LIBS"; then
       # We pass --dbm-libs here since Debian has modified apu-config not
@@ -245,12 +231,6 @@
       || patch != DB_VERSION_PATCH)
     exit (1);
 
-  /* Block Berkeley DB 6, because (a) we haven't tested with it, (b) 6.0.20
-     and newer are under the AGPL, and we want use of AGPL dependencies to be
-     opt-in. */
-  if (major >= 6 && strcmp("$enable_bdb6", "yes"))
-    exit(2);
-
   /* Run-time check:  ensure the library claims to be the correct version. */
 
   if (major < $svn_check_berkeley_db_major)
@@ -270,11 +250,7 @@
 }
       ]])],
       [svn_have_berkeley_db=yes],
-      [rc=$?
-       svn_have_berkeley_db=no
-       if test $rc = 2; then
-         svn_have_berkeley_db=no6
-       fi],
+      [svn_have_berkeley_db=no],
       [svn_have_berkeley_db=yes]
     )