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view modules/postgresql/configure.ac @ 4407:4ee73bbe4f8e
Always use boyer_moore in ASCII or Latin-1 buffers with ASCII search strings.
2007-12-26 Aidan Kehoe <kehoea@parhasard.net>
* casetab.c:
Extend and correct some case table documentation.
* search.c (search_buffer):
Correct a bug where only the first entry for a character in the
case equivalence table was examined in determining if the
Boyer-Moore search algorithm is appropriate.
If there are case mappings outside of the charset and row of the
characters specified in the search string, those case mappings can
be safely ignored (and Boyer-Moore search can be used) if we know
from the buffer statistics that the corresponding characters cannot
occur.
* search.c (boyer_moore):
Assert that we haven't been passed a string with varying
characters sets or rows within character sets. That's what
simple_search is for.
In the very rare event that a character in the search string has a
canonical case mapping that is not in the same character set and
row, don't try to search for the canonical character, search for
some other character that is in the the desired character set and
row. Assert that the case table isn't corrupt.
Do not search for any character case mappings that cannot possibly
occur in the buffer, given the buffer metadata about its
contents.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Wed, 26 Dec 2007 17:30:16 +0100 |
| parents | 184461bc8de4 |
| children | 56b64a055043 |
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# Process this file with autoconf to produce a configure script. # This is only used for independent module building. AC_INIT([PostgreSQL module], [1.0], [xemacs-beta@xemacs.org]) AC_PREREQ(2.53) AC_REVISION($Revision: 1.2 $) AC_COPYRIGHT([Configuration script for the PostgreSQL module. Copyright (C) 2002 Jerry James. This file is part of XEmacs. XEmacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. XEmacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.]) AC_CONFIG_SRCDIR([postgresql.c]) m4_include([../common/configure-pre.ac]) dnl On many Linux systems, PostgreSQL is packaged to be installed in /usr; dnl in this case, configure will easily detect it there. dnl dnl If PostgreSQL is installed into a different prefix, dnl (such as the default /usr/local/pgsql when building from source), dnl then specify CPPFLAGS and LDFLAGS when configuring. dnl dnl Look for these standard header file locations, known to be used on Linux for header_dir in "" "pgsql/" "postgresql/"; do AC_CHECK_HEADER([${header_dir}libpq-fe.h], [libpq_fe_h_file=${header_dir}libpq-fe.h; break]) done test -z "$libpq_fe_h_file" && AS_ERROR([Cannot find the PostgresQL header files; try specifying CPPFLAGS.]) AC_DEFINE_UNQUOTED(LIBPQ_FE_H_FILE, "$libpq_fe_h_file") AC_CHECK_LIB(pq,PQconnectdb,, AS_ERROR([Cannot find the PostgresQL library. Try specifying LDFLAGS.])) AC_CHECK_LIB(pq,PQconnectStart, [ with_postgresqlv7=yes; AC_DEFINE(HAVE_POSTGRESQLV7)]) AC_SUBST(postgresql_libs, "$LIBS") m4_include([../common/configure-post.ac])