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Diffstat (limited to 'am/db2.m4')
-rw-r--r-- | am/db2.m4 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/am/db2.m4 b/am/db2.m4 new file mode 100644 index 000000000..64a8ba05c --- /dev/null +++ b/am/db2.m4 @@ -0,0 +1,42 @@ +dnl This file is part of GNU mailutils. +dnl Copyright (C) 2003, 2007 Free Software Foundation, Inc. +dnl +dnl GNU Mailutils is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 3, or (at your option) +dnl any later version. +dnl +dnl GNU Mailutils is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +dnl GNU General Public License for more details. +dnl +dnl You should have received a copy of the GNU General Public License along +dnl with GNU Mailutils; if not, write to the Free Software Foundation, +dnl Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +dnl + +AH_TEMPLATE(BDB2_CURSOR_LASTARG, + [Last argument to the cursor member of Berkeley 2 DB structure]) + +dnl The cursor member of DB structure used to take three arguments in older +dnl implementations of Berkeley DB. Newer versions (>= 4.0) declare +dnl it as taking four arguments. +dnl This macro checks which of the variants we have. +AC_DEFUN([MU_DB2_CURSOR], + [AC_CACHE_CHECK([whether db->cursor takes 4 arguments], + [mu_cv_bdb2_cursor_four_args], + [AC_TRY_COMPILE([#include <db.h>], + [ +DB *db; +db->cursor(NULL, NULL, NULL, 0) + ], + [mu_cv_bdb2_cursor_four_args=yes], + [mu_cv_bdb2_cursor_four_args=no])]) + if test $mu_cv_bdb2_cursor_four_args = yes; then + AC_DEFINE(BDB2_CURSOR_LASTARG,[,0]) + else + AC_DEFINE(BDB2_CURSOR_LASTARG,[]) + fi]) + + |