2004-01-20 Marcel Telka <marcel@telka.sk>
* acinclude.m4: File removed. * autogen.sh: Added acinclude call. git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@597 b68d4a1b-bc3d-0410-92ed-d4ac073336b7master
Marcel Telka
21 years ago
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81f8952b3d
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@ -1,91 +0,0 @@
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dnl @synopsis VL_LIB_READLINE
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dnl
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dnl Searches for a readline compatible library. If found, defines
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dnl `HAVE_LIBREADLINE'. If the found library has the `add_history'
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dnl function, sets also `HAVE_READLINE_HISTORY'. Also checks for the
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dnl locations of the necessary include files and sets `HAVE_READLINE_H'
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dnl or `HAVE_READLINE_READLINE_H' and `HAVE_READLINE_HISTORY_H' or
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dnl 'HAVE_HISTORY_H' if the corresponding include files exists.
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dnl
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dnl The libraries that may be readline compatible are `libedit',
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dnl `libeditline' and `libreadline'. Sometimes we need to link a termcap
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dnl library for readline to work, this macro tests these cases too by
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dnl trying to link with `libtermcap', `libcurses' or `libncurses' before
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dnl giving up.
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dnl
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dnl Here is an example of how to use the information provided by this
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dnl macro to perform the necessary includes or declarations in a C file:
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dnl
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dnl #ifdef HAVE_LIBREADLINE
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dnl # if defined(HAVE_READLINE_READLINE_H)
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dnl # include <readline/readline.h>
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dnl # elif defined(HAVE_READLINE_H)
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dnl # include <readline.h>
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dnl # else /* !defined(HAVE_READLINE_H) */
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dnl extern char *readline ();
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dnl # endif /* !defined(HAVE_READLINE_H) */
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dnl char *cmdline = NULL;
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dnl #else /* !defined(HAVE_READLINE_READLINE_H) */
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dnl /* no readline */
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dnl #endif /* HAVE_LIBREADLINE */
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dnl
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dnl #ifdef HAVE_READLINE_HISTORY
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dnl # if defined(HAVE_READLINE_HISTORY_H)
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dnl # include <readline/history.h>
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dnl # elif defined(HAVE_HISTORY_H)
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dnl # include <history.h>
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dnl # else /* !defined(HAVE_HISTORY_H) */
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dnl extern void add_history ();
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dnl extern int write_history ();
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dnl extern int read_history ();
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dnl # endif /* defined(HAVE_READLINE_HISTORY_H) */
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dnl /* no history */
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dnl #endif /* HAVE_READLINE_HISTORY */
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dnl
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dnl
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dnl @version 1.1
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dnl @author Ville Laurikari <vl@iki.fi>
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dnl
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AC_DEFUN([VL_LIB_READLINE], [
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AC_CACHE_CHECK([for a readline compatible library],
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vl_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 $TRY_LIB"
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AC_TRY_LINK_FUNC(readline, vl_cv_lib_readline="$TRY_LIB")
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if test -n "$vl_cv_lib_readline"; then
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break
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fi
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done
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if test -n "$vl_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 "$vl_cv_lib_readline"; then
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vl_cv_lib_readline="no"
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LIBS="$ORIG_LIBS"
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fi
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])
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if test "$vl_cv_lib_readline" != "no"; then
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AC_DEFINE(HAVE_LIBREADLINE, 1,
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[Define if you have a readline compatible library])
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AC_CHECK_HEADERS(readline.h readline/readline.h)
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AC_CACHE_CHECK([whether readline supports history],
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vl_cv_lib_readline_history, [
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vl_cv_lib_readline_history="no"
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AC_TRY_LINK_FUNC(add_history, vl_cv_lib_readline_history="yes")
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])
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if test "$vl_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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