Andrzej Rybczak
10 years ago
parent
257f67c732
commit
320db64bb9
6 changed files with 159 additions and 12 deletions
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# =========================================================================== |
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# http://www.gnu.org/software/autoconf-archive/ax_lib_readline.html |
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# =========================================================================== |
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# |
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# SYNOPSIS |
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# |
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# AX_LIB_READLINE |
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# |
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# DESCRIPTION |
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# |
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# Searches for a readline compatible library. If found, defines |
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# `HAVE_LIBREADLINE'. If the found library has the `add_history' function, |
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# sets also `HAVE_READLINE_HISTORY'. Also checks for the locations of the |
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# necessary include files and sets `HAVE_READLINE_H' or |
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# `HAVE_READLINE_READLINE_H' and `HAVE_READLINE_HISTORY_H' or |
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# 'HAVE_HISTORY_H' if the corresponding include files exists. |
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# |
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# The libraries that may be readline compatible are `libedit', |
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# `libeditline' and `libreadline'. Sometimes we need to link a termcap |
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# library for readline to work, this macro tests these cases too by trying |
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# to link with `libtermcap', `libcurses' or `libncurses' before giving up. |
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# |
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# Here is an example of how to use the information provided by this macro |
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# to perform the necessary includes or declarations in a C file: |
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# |
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# #ifdef HAVE_LIBREADLINE |
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# # if defined(HAVE_READLINE_READLINE_H) |
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# # include <readline/readline.h> |
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# # elif defined(HAVE_READLINE_H) |
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# # include <readline.h> |
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# # else /* !defined(HAVE_READLINE_H) */ |
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# extern char *readline (); |
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# # endif /* !defined(HAVE_READLINE_H) */ |
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# char *cmdline = NULL; |
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# #else /* !defined(HAVE_READLINE_READLINE_H) */ |
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# /* no readline */ |
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# #endif /* HAVE_LIBREADLINE */ |
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# |
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# #ifdef HAVE_READLINE_HISTORY |
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# # if defined(HAVE_READLINE_HISTORY_H) |
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# # include <readline/history.h> |
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# # elif defined(HAVE_HISTORY_H) |
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# # include <history.h> |
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# # else /* !defined(HAVE_HISTORY_H) */ |
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# extern void add_history (); |
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# extern int write_history (); |
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# extern int read_history (); |
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# # endif /* defined(HAVE_READLINE_HISTORY_H) */ |
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# /* no history */ |
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# #endif /* HAVE_READLINE_HISTORY */ |
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# |
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# LICENSE |
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# |
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# Copyright (c) 2008 Ville Laurikari <vl@iki.fi> |
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# |
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# Copying and distribution of this file, with or without modification, are |
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# permitted in any medium without royalty provided the copyright notice |
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# and this notice are preserved. This file is offered as-is, without any |
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# warranty. |
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|
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#serial 6 |
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|
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AU_ALIAS([VL_LIB_READLINE], [AX_LIB_READLINE]) |
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AC_DEFUN([AX_LIB_READLINE], [ |
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AC_CACHE_CHECK([for a readline compatible library], |
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ax_cv_lib_readline, [ |
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ORIG_LIBS="$LIBS" |
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for readline_lib in readline edit editline; do |
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for termcap_lib in "" termcap curses ncurses; do |
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if test -z "$termcap_lib"; then |
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TRY_LIB="-l$readline_lib" |
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else |
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TRY_LIB="-l$readline_lib -l$termcap_lib" |
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fi |
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LIBS="$ORIG_LIBS $TRY_LIB" |
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AC_TRY_LINK_FUNC(readline, ax_cv_lib_readline="$TRY_LIB") |
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if test -n "$ax_cv_lib_readline"; then |
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break |
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fi |
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done |
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if test -n "$ax_cv_lib_readline"; then |
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break |
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fi |
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done |
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if test -z "$ax_cv_lib_readline"; then |
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ax_cv_lib_readline="no" |
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fi |
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LIBS="$ORIG_LIBS" |
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]) |
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if test "$ax_cv_lib_readline" != "no"; then |
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LIBS="$LIBS $ax_cv_lib_readline" |
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AC_DEFINE(HAVE_LIBREADLINE, 1, |
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[Define if you have a readline compatible library]) |
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AC_CHECK_HEADERS(readline.h readline/readline.h) |
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AC_CACHE_CHECK([whether readline supports history], |
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ax_cv_lib_readline_history, [ |
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ax_cv_lib_readline_history="no" |
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AC_TRY_LINK_FUNC(add_history, ax_cv_lib_readline_history="yes") |
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]) |
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if test "$ax_cv_lib_readline_history" = "yes"; then |
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AC_DEFINE(HAVE_READLINE_HISTORY, 1, |
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[Define if your readline library has \`add_history']) |
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AC_CHECK_HEADERS(history.h readline/history.h) |
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fi |
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fi |
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])dnl |
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@ -0,0 +1,38 @@ |
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/***************************************************************************
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* Copyright (C) 2008-2014 by Andrzej Rybczak * |
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* electricityispower@gmail.com * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * |
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***************************************************************************/ |
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#ifndef NCMPCPP_UTILITY_READLINE_H |
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#define NCMPCPP_UTILITY_READLINE_H |
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#include "config.h" |
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#if defined(HAVE_READLINE_HISTORY_H) |
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# include <readline/history.h> |
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#endif // HAVE_READLINE_HISTORY
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#if defined(HAVE_READLINE_H) |
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# include <readline.h> |
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#elif defined(HAVE_READLINE_READLINE_H) |
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# include <readline/readline.h> |
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#else |
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# error "readline is not available" |
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#endif |
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#endif // NCMPCPP_READLINE_UTILITY_H
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