dnl -*- autoconf -*-
dnl FILE: "/home/joze/src/tclreadline/configure.in"
dnl LAST MODIFICATION: "Thu Dec 16 22:01:33 1999 (joze)"
dnl (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
dnl $Id$
dnl ---
dnl
dnl tclreadline -- gnu readline for tcl
dnl Copyright (C) 1999 Johannes Zellner
dnl
dnl This program is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU General Public License
dnl as published by the Free Software Foundation; either version 2
dnl of the License, or (at your option) any later version.
dnl
dnl This program 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
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
dnl
dnl johannes@zellner.org
dnl http://www.zellner.org/tclreadline/
dnl
dnl ================================================================== */
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_INIT(tclreadline.c)
AC_CONFIG_HEADER(config.h)
AC_PREREQ(2.13)
AC_REVISION($Revision$)
AC_CONFIG_AUX_DIR(./aux)
TCLREADLINE_MAJOR_VERSION=1
TCLREADLINE_MINOR_VERSION=0
TCLREADLINE_PATCHLEVEL=5
TCLREADLINE_VERSION=$TCLREADLINE_MAJOR_VERSION.$TCLREADLINE_MINOR_VERSION
TCLREADLINE_PATCHLEVEL_STR=${TCLREADLINE_VERSION}.${TCLREADLINE_PATCHLEVEL}
VERSION=$TCLREADLINE_VERSION
dnl AM_INIT_AUTOMAKE(tclreadline, $VERSION)
AC_CANONICAL_HOST
TCLREADLINE_LPATH=`echo $LD_LIBRARY_PATH $LD_RUN_PATH $LPATH | sed 's/:/ /g'`
TCLREADLINE_LPATH="$TCLREADLINE_LPATH /usr/local/lib /lib /usr/lib /usr/shlib"
#--------------------------------------------------------------------
# See if there was a command-line option for where Tcl is; if
# not, search for Tcl.
#--------------------------------------------------------------------
AC_ARG_WITH(
tcl,
[ --with-tcl=DIR where to look for tclConfig.sh],
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 /opt/tcl/lib; 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
. $TCL_LIB_DIR/tclConfig.sh
AC_MSG_RESULT($TCL_LIB_DIR/tclConfig.sh)
AC_MSG_CHECKING([for your tcl version])
AC_MSG_RESULT([$TCL_VERSION, patchlevel $TCL_PATCH_LEVEL])
fi
#--------------------------------------------------------------------
# eventually check for tkConfig.sh
#--------------------------------------------------------------------
tk_search="no"
AC_ARG_WITH(
tk,
[ --with-tk=DIR where to look for tclConfig.sh],
tk_search=$withval,
tk_search="yes"
)
if test "$tk_search" != "no"; then
AC_MSG_CHECKING([which tkConfig.sh to use])
TK_LIB_DIR=""
for dir in $tk_search /usr/lib /usr/local/lib $exec_prefix/lib /usr/local/lib/unix /opt/tcl/lib; do
if test -r $dir/tkConfig.sh; then
TK_LIB_DIR=$dir
break
fi
done
if test -z "$TK_LIB_DIR"; then
AC_MSG_ERROR(Can't find Tk libraries.)
else
. $TK_LIB_DIR/tkConfig.sh
AC_MSG_RESULT($TK_LIB_DIR/tkConfig.sh)
AC_MSG_CHECKING([for your tk version])
AC_MSG_RESULT([$TK_VERSION, patchlevel $TK_PATCH_LEVEL])
fi
AC_SUBST(TK_LIB_SPEC)
fi
#--------------------------------------------------------------------
# Read in configuration information generated by Tcl for shared
# libraries, and arrange for it to be substituted into our
# Makefile.
#--------------------------------------------------------------------
SHLIB_CFLAGS=$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 $TCL_MAJOR_VERSION -lt 8; then
AC_MSG_ERROR(need tcl 8.0 or higher.)
fi
# -----------------------------------------------------------------------
# Set up a new default --prefix.
# -----------------------------------------------------------------------
# this is the default anyway:
# AC_PREFIX_DEFAULT(/usr/local)
if test "${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=${exec_prefix}/lib/tclreadline$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 $TCL_CC"
echo ""
fi
#--------------------------------------------------------------------
# The statements below define a collection of symbols related to
# building libtclreadline as a shared library instead of a static library.
# (static is not implemented yet anyway).
#--------------------------------------------------------------------
AC_ARG_ENABLE(shared,
[ --disable-shared don't build libtclreadline as a shared library.],
[ok=$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) ${SHLIB_LD_LIBS}"
RANLIB=":"
else
SHLIB_CFLAGS=""
eval "TCLREADLINE_LIB_FILE=libtclreadline${VERSION}.a"
TCLREADLINE_PKG_FILE="[[file join [file dirname \$dir] ${TCLREADLINE_LIB_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="")
AC_MSG_CHECKING([where to look for readline.h])
READLINE_INCLUDE_DIR=""
for dir in $rl_includes /usr/local/include/readline /usr/local/include /usr/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)
base="`(basename ${READLINE_INCLUDE_DIR}) 2>/dev/null`"
if test "x${base}" != "xreadline"; then
AC_DEFINE_UNQUOTED(READLINE_LIBRARY, 1, [ Define if we have libreadline. ])
fi
fi
#--------------------------------------------------------------------
# Check for libreadline
#--------------------------------------------------------------------
AC_ARG_WITH(readline-library,
[ --with-readline-library=DIR
readline library files in DIR],
rl_library=$withval, rl_library="")
AC_MSG_CHECKING([where to look for libreadline$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.4.0; then
READLINE_VERSION_SUFFIX=".4.0"
READLINE_LIB_DIR=$dir
break
fi
if test -r $dir/libreadline$SHLIB_SUFFIX.3.0; then
READLINE_VERSION_SUFFIX=".3.0"
READLINE_LIB_DIR=$dir
break
fi
done
if test -z "$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}${READLINE_VERSION_SUFFIX})
fi
# ---
# check for the terminal library.
# ---
olibs=${LIBS}
AC_ARG_WITH(tlib-library,
[ --with-tlib-library=DIR
where to search for curses / termcap],
tlib_library=$withval, tlib_library="")
AC_MSG_CHECKING([where to look for the terminal library])
TERMLIB_DIR=""
TERMLIB_VERSION_SUFFIX=""
for dir in $tlib_library $TCLREADLINE_LPATH $prefix/lib/; do
for tlib in ncurses termlib termcap curses; do
dnl It's possible that a library is found but it doesn't work
dnl e.g., shared library that cannot be found
dnl compile and run a test program to be sure
dnl echo ""
dnl echo ""
LIBS="-L${dir} -l${tlib}"
AC_TRY_RUN([
#ifdef HAVE_TERMCAP_H
# include <termcap.h>
#endif
main() {char *s; s=(char *)tgoto("%p1%d", 0, 1); exit(0); }],
res="OK", res="FAIL", res="FAIL")
if test "$res" = "OK"; then
TERMLIB_DIR=-L${dir}
if test "`(uname) 2>/dev/null`" = SunOS &&
uname -r | grep '^5' >/dev/null; then
TERMLIB_DIR_R="${TERMLIB_DIR} -R${dir}"
fi
TERMLIB=-l${tlib}
break
fi
if test "x${TERMLIB_DIR}" = "x"; then
AC_MSG_RESULT($LIBS is unusable)
else
break
fi
done
if test "x${TERMLIB_DIR}" != "x"; then
break
fi
done
if test "x$TERMLIB_DIR" = "x"; then
AC_MSG_ERROR([
no terminal library found. Please retry with the --with-tlib argument.])
else
AC_MSG_RESULT(${TERMLIB_DIR} ${TERMLIB})
fi
#--------------------------------------------------------------------
# Check for appropriate version of gnu readline
# (older versions of gnu readline don't have
# rl_callback_read_char ()).
#--------------------------------------------------------------------
LIBS="-L$READLINE_LIB_DIR ${TERMLIB_DIR} -lreadline $TERMLIB $olibs"
alternate=no
AC_CHECK_FUNC(
rl_callback_read_char, alternate=yes, alternate=no
)
if test "$alternate" = "no"; then
AC_MSG_ERROR(alternate interface not supported by this readline version.)
fi
# check for readline's (macro.c) private variable
# _rl_executing_macro.
AC_MSG_CHECKING([for _rl_executing_macro in -lreadline])
AC_TRY_LINK(,[
extern char* _rl_executing_macro;
_rl_executing_macro = (char*) 0;
],
AC_MSG_RESULT(yes); AC_DEFINE_UNQUOTED(EXECUTING_MACRO_HACK, 1, [define, if _rl_executing_macro is resolved in libreadline]),
AC_MSG_RESULT(no))
# check for readline's rl_cleanup_after_signal
AC_MSG_CHECKING([for rl_cleanup_after_signal() in -lreadline])
AC_TRY_LINK(,[
extern void rl_cleanup_after_signal();
rl_cleanup_after_signal();
],
AC_MSG_RESULT(yes); AC_DEFINE_UNQUOTED(CLEANUP_AFER_SIGNAL, 1, [define, if rl_cleanup_after_signal is resolved in libreadline]),
AC_MSG_RESULT(no))
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))
# 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(TCLREADLINE_PATCHLEVEL)
AC_SUBST(TCLREADLINE_LIBRARY)
AC_SUBST(TCLREADLINE_PATCHLEVEL_STR)
AC_SUBST(TCL_LIB_DIR)
AC_SUBST(TCL_LIB_SPEC)
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(TERMLIB)
AC_SUBST(TERMLIB_DIR)
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_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'