# -*- autoconf -*-
# FILE: "/diska/home/joze/src/tclreadline/configure.in"
# LAST MODIFICATION: "Fri Aug 20 15:35:10 1999 (joze)"
# (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
# $Id$
# ---
#
# tclreadline -- gnu readline for tcl
# Copyright (C) 1999 Johannes Zellner
#
# This program 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
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# johannes@zellner.org
# http://www.zellner.org/tclreadline/
#
# ================================================================== */
dnl This file is an input file used by the GNU "autoconf" program to
dnl generate the file "configure", which is run during Tk installation
dnl to configure the system for the local environment.
AC_REVISION($Revision$)
AC_INIT(tclreadline.c)
TCLREADLINE_MAJOR_VERSION=0
TCLREADLINE_MINOR_VERSION=8
TCLREADLINE_VERSION=$TCLREADLINE_MAJOR_VERSION.$TCLREADLINE_MINOR_VERSION
VERSION=$TCLREADLINE_VERSION
AC_PREREQ(2.13)
AC_CONFIG_AUX_DIR(./aux)
AC_CANONICAL_HOST
TCLREADLINE_LPATH=`echo $LD_LIBRARY_PATH $LD_RUN_PATH $LPATH | sed 's/:/ /g'`
TCLREADLINE_LPATH="$TCLREADLINE_LPATH /lib /usr/lib /usr/local/lib"
#--------------------------------------------------------------------
# See if there was a command-line option for where Tcl is; if
# not, search for Tcl.
#--------------------------------------------------------------------
AC_ARG_WITH(
tcl,
[ --with-tcl=DIR use Tcl 8.x binaries from DIR],
tcl_search=$withval,
tcl_search=""
)
AC_MSG_CHECKING([which tclConfig.sh to use])
TCL_LIB_DIR=""
for dir in $tcl_search /usr/lib /usr/local/lib $exec_prefix/lib /usr/local/lib/unix; do
if test -r $dir/tclConfig.sh; then
TCL_LIB_DIR=$dir
break
fi
done
if test -z "$TCL_LIB_DIR"; then
AC_MSG_ERROR(Can't find Tcl libraries. Use --with-tcl to specify the directory containing tclConfig.sh on your system.)
else
AC_MSG_RESULT($TCL_LIB_DIR/tclConfig.sh)
fi
#--------------------------------------------------------------------
# Read in configuration information generated by Tcl for shared
# libraries, and arrange for it to be substituted into our
# Makefile.
#--------------------------------------------------------------------
file=$TCL_LIB_DIR/tclConfig.sh
. $file
SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
SHLIB_LD=$TCL_SHLIB_LD
if test $TCL_SHLIB_SUFFIX = ""; then
AC_MSG_ERROR(TCL_SHLIB_SUFFIX not defined -- should be something like .so or .sl on unix.)
else
SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
fi
DL_LIBS=$TCL_DL_LIBS
LD_FLAGS=$TCL_LD_FLAGS
SHLIB_LD_LIBS=$TCL_SHLIB_LD_LIBS
TCLREADLINE_PACKAGE_PATH=$TCL_PACKAGE_PATH
#--------------------------------------------------------------------
# Check, if tcl_version is > 8.0
#--------------------------------------------------------------------
if test $TCL_MAJOR_VERSION -lt 8; then
AC_MSG_ERROR(need tcl 8.0 or higher.)
fi
# -----------------------------------------------------------------------
# Set up a new default --prefix.
# -----------------------------------------------------------------------
# AC_PREFIX_DEFAULT(/usr/local)
if test "${prefix}" = "NONE"; then
prefix=$TCL_PREFIX
fi
if test "${exec_prefix}" = "NONE"; then
exec_prefix=$TCL_EXEC_PREFIX
else
TCLREADLINE_PACKAGE_PATH=${exec_prefix}/lib
fi
TCLREADLINE_LIBRARY=$TCLREADLINE_PACKAGE_PATH/tclreadline$TCLREADLINE_VERSION
# -----------------------------------------------------------------------
# Check for some programs here.
# -----------------------------------------------------------------------
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_PROG_LN_S
# -----------------------------------------------------------------------
# Prefer the compiler, which was used
# to build tcl.
# -----------------------------------------------------------------------
AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available],
[gcc_ok=$enableval], [gcc_ok=no])
if test "$gcc_ok" = "yes"; then
AC_PROG_CC
else
CC=$TCL_CC
AC_SUBST(CC)
fi
# -----------------------------------------------------------------------
# checking for the preprocessor.
# FIXME: do we need this ?
# -----------------------------------------------------------------------
AC_PROG_CPP
#--------------------------------------------------------------------
# If this is gcc, add some extra compile flags.
#--------------------------------------------------------------------
AC_MSG_CHECKING([whether C compiler is gcc])
AC_CACHE_VAL(tclreadline_cv_prog_gcc,
AC_EGREP_CPP(_cc_is_gcc_, [
#ifdef __GNUC__
_cc_is_gcc_
#endif
], [tclreadline_cv_prog_gcc=yes], [tclreadline_cv_prog_gcc=no]))
AC_MSG_RESULT([$tclreadline_cv_prog_gcc])
if test -z "$CFLAGS" ; then
CFLAGS=$TCL_CFLAGS_OPTIMIZE
fi
if test "$tclreadline_cv_prog_gcc" = "yes" ; then
CFLAGS="$CFLAGS -Wshadow -Wtraditional -Wall"
fi
AC_MSG_CHECKING([default compiler flags])
AC_ARG_WITH(cflags, [ --with-cflags=FLAGS set compiler flags to FLAGS],
[CFLAGS="$with_cflags"])
AC_MSG_RESULT([$CFLAGS])
if test "$TCL_CC" != "$CC" ; then
echo ""
echo "WARNING: Compiler is $CC but Tcl was compiled with $TCL_CC"
echo ""
fi
#--------------------------------------------------------------------
# The statements below define a collection of symbols related to
# building libtclreadline as a shared library instead of a static library.
# (static is not implemented yet anyway).
#--------------------------------------------------------------------
AC_ARG_ENABLE(shared,
[ --disable-shared don't build libtclreadline as a shared library
(not implemented -- probably never).],
[ok=$enableval], [ok=yes])
if test "$ok" = "yes"; then
if test ${TCL_SHARED_BUILD} = 0; then
AC_MSG_ERROR(Tcl was not built with --enable-shared, so you can't use shared libraries.)
fi
SHLIB_CFLAGS="${SHLIB_CFLAGS}"
eval "TCLREADLINE_LIB_FILE=libtclreadline${VERSION}${SHLIB_SUFFIX}"
TCLREADLINE_PKG_FILE="[[file join [file dirname \$dir] ${TCLREADLINE_LIB_FILE}]]"
MAKE_LIB="\$(SHLIB_LD) -o ${TCLREADLINE_LIB_FILE} \$(OBJS) ${SHLIB_LD_LIBS}"
RANLIB=":"
else
AC_MSG_ERROR(non-shared not implemented yet. (probably never))
SHLIB_CFLAGS=""
eval "TCLREADLINE_LIB_FILE=libtclreadline${VERSION}.a"
TCLREADLINE_PKG_FILE=""
MAKE_LIB="ar cr ${TCLREADLINE_LIB_FILE} \${OBJS}"
fi
# Note: in the following variable, it's important to use the absolute
# path name of the Tcl directory rather than "..": this is because
# AIX remembers this path and will attempt to use it at run-time to look
# up the Tcl library.
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
TCLREADLINE_BUILD_LIB_SPEC="-L`pwd` -ltclreadline${VERSION}"
TCLREADLINE_LIB_SPEC="-L${TCLREADLINE_LIBRARY} -ltclreadline${VERSION}"
else
TCLREADLINE_BUILD_LIB_SPEC="-L`pwd` -ltclreadline`echo ${VERSION} | tr -d .`"
TCLREADLINE_LIB_SPEC="-L${TCLREADLINE_LIBRARY} -ltclreadline`echo ${VERSION} | tr -d .`"
fi
# HEADER CHECKS
#
AC_HEADER_STDC
#--------------------------------------------------------------------
# Check for tcl.h
#--------------------------------------------------------------------
AC_ARG_WITH(tcl-includes,
[ --with-tcl-includes=DIR where to look for tcl.h],
tcl_includes=$withval, tcl_includes=$prefix/include)
AC_MSG_CHECKING([where to look for tcl.h])
TCL_INCLUDE_DIR=""
for dir in $tcl_includes $prefix/include/ /usr/include; do
if test -r $dir/tcl.h; then
TCL_INCLUDE_DIR=$dir
break
fi
done
if test -z "$TCL_INCLUDE_DIR"; then
AC_MSG_ERROR([
Can't find tcl.h. Use --with-tcl-includes to specify the directory
containing tcl.h on your system.])
else
AC_MSG_RESULT($TCL_INCLUDE_DIR/tcl.h)
fi
#--------------------------------------------------------------------
# Check for readline.h
#--------------------------------------------------------------------
AC_ARG_WITH(readline-includes,
[ --with-readline-includes=DIR
readline include files in DIR],
rl_includes=$withval, rl_includes=$prefix/include)
AC_MSG_CHECKING([where to look for readline.h])
READLINE_INCLUDE_DIR=""
for dir in $rl_includes $prefix/include/readline /usr/include; do
if test -r $dir/readline.h; then
READLINE_INCLUDE_DIR=$dir
break
fi
done
if test -z "$READLINE_INCLUDE_DIR"; then
AC_MSG_ERROR([
Can't find readline.h.
Use --with-readline-includes to specify the directory
containing readline.h on your system.])
else
AC_MSG_RESULT($READLINE_INCLUDE_DIR/readline.h)
fi
#--------------------------------------------------------------------
# Check for libreadline
#--------------------------------------------------------------------
AC_ARG_WITH(readline-library,
[ --with-readline-library=DIR
readline library files in DIR],
rl_library=$withval, rl_library=$exec_prefix/lib)
AC_MSG_CHECKING([where to look for libreadline$SHLIB_SUFFIX])
READLINE_LIB_DIR=""
READLINE_VERSION_SUFFIX=""
for dir in $rl_library $TCLREADLINE_LPATH $prefix/lib/readline; do
if test -r $dir/libreadline$SHLIB_SUFFIX; then
READLINE_LIB_DIR=$dir
break
fi
if test -r $dir/libreadline$SHLIB_SUFFIX.3.0; then
READLINE_VERSION_SUFFIX=".3.0"
READLINE_LIB_DIR=$dir
break
fi
if test -r $dir/libreadline$SHLIB_SUFFIX.4.0; then
READLINE_VERSION_SUFFIX=".4.0"
READLINE_LIB_DIR=$dir
break
fi
done
if test -z "$READLINE_LIB_DIR"; then
AC_MSG_ERROR([
Can't find libreadline$SHLIB_SUFFIX.
Use --with-readline-library to specify the directory
containing libreadline$SHLIB_SUFFIX on your system.])
else
AC_MSG_RESULT({READLINE_LIB_DIR}/libreadline${SHLIB_SUFFIX}${READLINE_VERSION_SUFFIX})
fi
#--------------------------------------------------------------------
# Specify termlib or curses library
#--------------------------------------------------------------------
opt_curses=no
AC_ARG_WITH(curses,
[ --with-curses force using the curses library instead of termcap],
opt_curses=$withval)
if test "$opt_curses" = "yes"; then
TERMCAP_CHECK="curses ncurses"
else
TERMCAP_CHECK="termcap curses ncurses"
fi
#--------------------------------------------------------------------
# Check for termlib / curses / ncurses library.
#--------------------------------------------------------------------
AC_ARG_WITH(termcap-library,
[ --with-termcap-library=DIR
search termcap (or curses / ncurses) library in DIR],
termcap_lib=$withval, termcap_lib=$exec_prefix/lib)
tcheck_path="$termcap_lib $TCLREADLINE_LPATH $prefix/lib"
for tcheck in $TERMCAP_CHECK; do
AC_MSG_CHECKING([whether we use lib$tcheck$SHLIB_SUFFIX])
TERMCAP_LIB_DIR=""
for dir in $tcheck_path; do
if test -r $dir/lib$tcheck$SHLIB_SUFFIX; then
TERMCAP_LIB_DIR=$dir
break
fi
done
if test -z "$TERMCAP_LIB_DIR"; then
AC_MSG_RESULT(no)
else
TERMCAP_LIB=$tcheck
TERMCAP_LOAD_PATH=${TERMCAP_LIB_DIR}/lib${tcheck}${SHLIB_SUFFIX}
AC_MSG_RESULT(yes: $TERMCAP_LOAD_PATH)
break
fi
done
if test -z "$TERMCAP_LIB_DIR"; then
AC_MSG_ERROR([
None of "$TERMCAP_CHECK" found in:
$tcheck_path
Use --with-termcap-library to specify the directory containing
lib$TERMCAP_LIB$SHLIB_SUFFIX on your system.])
fi
#--------------------------------------------------------------------
# Check for appropriate version of gnu readline
# (older versions of gnu readline don't have
# rl_callback_read_char ()).
#--------------------------------------------------------------------
save=$LIBS
LIBS="-L$READLINE_LIB_DIR -lreadline -L$TERMCAP_LIB_DIR -l$TERMCAP_LIB"
alternate=no
AC_CHECK_LIB(readline, rl_callback_read_char, alternate=yes, alternate=no, -l$TERMCAP_LIB)
if test $alternate = "no"; then
AC_MSG_ERROR(alternate interface not supported by this readline version.)
fi
AC_MSG_CHECKING([for the readline version number])
AC_TRY_RUN([
#include <stdio.h>
int main () {
FILE *fp = fopen ("conftestversion", "w");
extern char *rl_library_version;
fprintf (fp, "%s", rl_library_version);
close (fp);
return (0);
}],
READLINE_VERSION=`cat conftestversion`
AC_MSG_RESULT($READLINE_VERSION),
AC_MSG_RESULT(failed),
AC_MSG_RESULT(no cross compiling))
LIBS=$LIBS
# This is a test
#AC_C_BIGENDIAN
# TODO: check for readline version
# (link testprogram with -lreadline)
AC_SUBST(TCLREADLINE_MAJOR_VERSION)
AC_SUBST(TCLREADLINE_MINOR_VERSION)
AC_SUBST(TCLREADLINE_VERSION)
AC_SUBST(TCL_LIB_DIR)
AC_SUBST(TCL_INCLUDE_DIR)
AC_SUBST(READLINE_INCLUDE_DIR)
AC_SUBST(CFLAGS)
AC_SUBST(DL_LIBS)
AC_SUBST(LD_FLAGS)
AC_SUBST(RANLIB)
AC_SUBST(MAKE_LIB)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(SHLIB_LD)
AC_SUBST(SHLIB_LD_LIBS)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(TERMCAP_LIB_DIR)
AC_SUBST(TERMCAP_LIB)
AC_SUBST(READLINE_LIB_DIR)
AC_SUBST(TCLREADLINE_LIB_FILE)
AC_SUBST(TCLREADLINE_BUILD_LIB_SPEC)
AC_SUBST(TCLREADLINE_LIB_SPEC)
AC_SUBST(TCLREADLINE_LIB_DIR)
AC_SUBST(TCLREADLINE_PKG_FILE)
AC_SUBST(TCLREADLINE_PACKAGE_PATH)
AC_SUBST(TCLREADLINE_LIBRARY)
AC_OUTPUT(Makefile tclreadline.h tclreadlineInit.tcl tclreadlineSetup.tcl tclreadlineConfig.sh tclreadline.n pkgIndex.tcl)
#TCL_CC='cc'
#TCL_CFLAGS_DEBUG='-g'
#TCL_CFLAGS_OPTIMIZE='-O'
#TCL_SHARED_BUILD=1
#
#TCL_PREFIX='/usr/local'
#TCL_EXEC_PREFIX='/usr/local'
#
#TCL_SHLIB_CFLAGS='-fPIC'
#TCL_SHLIB_LD='cc -shared'
#TCL_SHLIB_SUFFIX='.so'
#TCL_DL_LIBS='-ldl'
#TCL_LD_FLAGS='-rdynamic'
#TCL_LD_SEARCH_FLAGS=''
#TCL_RANLIB=':'
#TCL_PACKAGE_PATH='/usr/local/lib'