weechat/configure.in

# Copyright (c) 2003-2005 FlashCode <flashcode@flashtux.org>
#
# 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
#

#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.56)
AC_INIT(WeeChat, 0.1.7-cvs, flashcode@flashtux.org)
AC_CONFIG_SRCDIR([src/common/weechat.c])
AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE([weechat], [0.1.7-cvs])

# Checks for programs
AC_PROG_CC
AC_PROG_MAKE_SET
AM_PROG_LIBTOOL

# Add some flags for some OS
case "$host_os" in
freebsd* | openbsd*)
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
        ;;
netbsd*)
	CFLAGS="$CFLAGS -I/usr/pkg/include"
	LDFLAGS="$LDFLAGS -L/usr/pkg/lib"
        ;;
*)
        ;;
esac

# Gettext
ALL_LINGUAS="fr es cs"
AM_GNU_GETTEXT

# Checks for libraries
AC_CHECK_LIB(ncurses, initscr, LIBNCURSES_FOUND=1, LIBNCURSES_FOUND=0)
AC_CHECK_LIB(ncursesw, initscr, LIBNCURSESW_FOUND=1, LIBNCURSESW_FOUND=0)

# Checks for header files
AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h libintl.h limits.h locale.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h sys/time.h sys/types.h unistd.h pwd.h errno.h])

# Checks for typedefs, structures, and compiler characteristics
AC_HEADER_TIME
AC_STRUCT_TM

AC_MSG_CHECKING([for socklen_t])
AC_CACHE_VAL(ac_cv_type_socklen_t,
[AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t t;],
ac_cv_type_socklen_t=yes,
ac_cv_type_socklen_t=no,
)])
if test $ac_cv_type_socklen_t = no; then
AC_DEFINE(socklen_t, int, Define to 'int' if <sys/socket.h> doesn't define.)
fi
AC_MSG_RESULT($ac_cv_type_socklen_t)

# Checks for library functions.
AC_FUNC_SELECT_ARGTYPES
AC_TYPE_SIGNAL
AC_CHECK_FUNCS([gethostbyname gethostname getsockname gettimeofday inet_ntoa memset mkdir select setlocale socket strcasecmp strchr strdup strncasecmp strpbrk strrchr strstr uname])

# Variables in config.h

AH_VERBATIM([PREFIX], [#undef PREFIX])
AH_VERBATIM([WEECHAT_LIBDIR], [#undef WEECHAT_LIBDIR])
AH_VERBATIM([WEECHAT_SHAREDIR], [#undef WEECHAT_SHAREDIR])
AH_VERBATIM([PLUGINS], [#undef PLUGINS])
AH_VERBATIM([PLUGIN_PERL], [#undef PLUGIN_PERL])
AH_VERBATIM([PLUGIN_PYTHON], [#undef PLUGIN_PYTHON])
AH_VERBATIM([PLUGIN_RUBY], [#undef PLUGIN_RUBY])
AH_VERBATIM([HAVE_GNUTLS], [#undef HAVE_GNUTLS])
AH_VERBATIM([DEBUG], [#undef DEBUG])

# Arguments for ./configure

AC_ARG_ENABLE(ncurses,       [  --disable-ncurses       Turn off ncurses interface (default=compiled if found)],enable_ncurses=$enableval,enable_ncurses=yes)
AC_ARG_ENABLE(wxwidgets,     [  --enable-wxwidgets      Turn on WxWidgets interface (default=no wxwidgets)],enable_wxwidgets=$enableval,enable_wxwidgets=no)
AC_ARG_ENABLE(gtk,           [  --enable-gtk            Turn on Gtk+ interface (default=no Gtk+)],enable_gtk=$enableval,enable_gtk=no)
AC_ARG_ENABLE(qt,            [  --enable-qt             Turn on Qt interface (default=no Qt)],enable_qt=$enableval,enable_qt=no)
AC_ARG_ENABLE(plugins,       [  --disable-plugins       Turn off plugins support (default=plugins enabled)],enable_plugins=$enableval,enable_plugins=yes)
AC_ARG_ENABLE(perl,          [  --enable-perl           Turn on Perl script plugin (default=no Perl plugin)],enable_perl=$enableval,enable_perl=no)
AC_ARG_ENABLE(python,        [  --enable-python         Turn on Python script plugin (default=no Python plugin)],enable_python=$enableval,enable_python=no)
AC_ARG_ENABLE(ruby,          [  --enable-ruby           Turn on Ruby script plugin (default=no Ruby script)],enable_ruby=$enableval,enable_ruby=no)
AC_ARG_ENABLE(gnutls,        [  --disable-gnutls        Turn off gnutls support (default=compiled if found)],enable_gnutls=$enableval,enable_gnutls=yes)
AC_ARG_WITH(debug,           [  --with-debug            Debugging: 0=no debug, 1=debug compilation, 2=debug compilation + verbose msgs (default=0)],debug=$withval,debug=0)

AM_CONDITIONAL(GUI_NCURSES,          test "$enable_ncurses" = "yes")
AM_CONDITIONAL(GUI_WXWIDGETS,        test "$enable_wxwidgets" = "yes")
AM_CONDITIONAL(GUI_GTK,              test "$enable_gtk" = "yes")
AM_CONDITIONAL(GUI_QT,               test "$enable_qt" = "yes")
AM_CONDITIONAL(PLUGINS,              test "$enable_plugins" = "yes")
AM_CONDITIONAL(PLUGIN_PERL,          test "$enable_perl" = "yes")
AM_CONDITIONAL(PLUGIN_PYTHON,        test "$enable_python" = "yes")
AM_CONDITIONAL(PLUGIN_RUBY,          test "$enable_ruby" = "yes")
AM_CONDITIONAL(HAVE_GNUTLS,          test "$enable_gnutls" = "yes")

# ------------------------------------------------------------------------------
#                                    GUI
# ------------------------------------------------------------------------------

if test "x$enable_ncurses" = "xyes" ; then
    if test "$LIBNCURSESW_FOUND" = "0" ; then
        if test "$LIBNCURSES_FOUND" = "0" ; then
            AC_MSG_ERROR([
*** ncurses library not found!
*** Please install ncurses library or run ./configure with --disable-ncurses parameter.])
        fi
        AC_MSG_WARN([
*** ncursesw library not found! Falling back to "ncurses"
*** Be careful, UTF-8 display may not work properly if your locale is UTF-8.])
        NCURSES_LIBS="-lncurses"
    else
        NCURSES_LIBS="-lncursesw"
        AC_CHECK_HEADERS(ncursesw/curses.h)
    fi
    AC_SUBST(NCURSES_LIBS)
fi

#if test "x$enable_wxwidgets" = "xyes" ; then
#    AM_OPTIONS_WXCONFIG
#    AM_PATH_WXCONFIG(2.3.4, wxWin=1)
#
#    if test "$wxWin" != 1; then
#        AC_MSG_ERROR([
#*** wxWindows must be installed on your system
#*** but wx-config script couldn't be found.
#
#*** Please check that wx-config is in path, the directory
#*** where wxWindows libraries are installed (returned by
#*** 'wx-config --libs' command) is in LD_LIBRARY_PATH or
#*** equivalent variable and wxWindows version is 2.3.4 or above.
#        ])
#    fi
#
#    CPPFLAGS="$CPPFLAGS $WX_CPPFLAGS"
#    CXXFLAGS="$CXXFLAGS $WX_CXXFLAGS_ONLY"
#    CFLAGS="$CFLAGS $WX_CFLAGS_ONLY"
#    LDFLAGS="$LDFLAGS $WX_LIBS"
#
#    WXWIDGETS_CFLAGS=""
#    WXWIDGETS_LIBS=""
#fi

if test "x$enable_gtk" = "xyes" ; then
    #if test "$LIBGTK_FOUND" = "0" ; then
    #    AC_MSG_ERROR([Gtk+ library not found! Install Gtk+ (2.0 or higher) library or run ./configure without --enable-gtk parameter.])
    #fi
    GTK_CFLAGS=`pkg-config --cflags gtk+-2.0`
    GTK_LIBS=`pkg-config --libs gtk+-2.0`
    AC_SUBST(GTK_CFLAGS)
    AC_SUBST(GTK_LIBS)
fi

# ------------------------------------------------------------------------------
#                                   plugins
# ------------------------------------------------------------------------------

PLUGINS_LIBS=

if test "x$enable_perl" = "xyes" ; then
    enable_plugins="yes"
    
    AC_PATH_PROG(PERL, perl perl5)
    if test -z $PERL ; then
        AC_MSG_ERROR([
*** Perl must be installed on your system
*** but perl interpreter couldn't be found in path.

Please check that perl is in path, or install
it with your software package manager.])
    fi
    
    AC_MSG_CHECKING(for Perl headers files)
    
    PERL_HEADER_TEST=`PT=perltest.c ; echo "#include <EXTERN.h>" > $PT;  echo "#include <perl.h>" >> $PT;  echo "#include <XSUB.h>" >> $PT ;  echo "int main() { return 0; }" >> $PT ; $CC -Wall $PT -o $PT.out $($PERL -MExtUtils::Embed -e ccopts) 1>/dev/null 2>&1; echo $?; rm -f $PT $PT.out 1>/dev/null 2>&1`

    if test "x$PERL_HEADER_TEST" = "x0" ; then
	PERL_CFLAGS=`$PERL -MExtUtils::Embed -e ccopts`
    else
        AC_MSG_ERROR([
*** Perl headers couldn't be found in your system.
*** Try to install it with your software package manager.])
    fi
    AC_MSG_RESULT(found)
    
    AC_MSG_CHECKING(for Perl library)

    PERL_LIB_TEST=`PT=perltest.c ; echo "int main() { return 0; }" > $PT ; $CC -Wall $PT -o $PT.out $($PERL -MExtUtils::Embed -e ldopts) 1>/dev/null 2>&1; echo $?; rm -f $PT $PT.out 1>/dev/null 2>&1`

    if test "x$PERL_LIB_TEST" = "x0" ; then
        PERL_LFLAGS=`$PERL -MExtUtils::Embed -e ldopts`
    else
        AC_MSG_ERROR([
*** Perl library couldn't be found in your system.
*** Try to install it with your software package manager.])
    fi
    AC_MSG_RESULT(found)
	    
    AC_SUBST(PERL_CFLAGS)
    AC_SUBST(PERL_LFLAGS)
    AC_DEFINE(PLUGIN_PERL)
fi

if test "x$enable_python" = "xyes" ; then
    enable_plugins="yes"
    
    AC_PATH_PROG(PYTHON, python python2.4 python2.3 python2.2)
    if test -z $PYTHON ; then
        AC_MSG_ERROR([
*** Python must be installed on your system
*** but python interpreter couldn't be found in path.

*** Please check that python is in path, or install
*** it with your software package manager.])
    fi
    
    PYTHON_SYSPREFIX=`$PYTHON -c 'import sys; print "%s" % sys.prefix'`
    PYTHON_VERSION=`$PYTHON -c 'import sys ; print sys.version[[:3]]'`
    PYTHON_INCLUDE=`$PYTHON -c "import distutils.sysconfig,string; print distutils.sysconfig.get_config_var('CONFINCLUDEPY')"`
    
    AC_MSG_CHECKING(for Python header files)
    if test -r "$PYTHON_INCLUDE/Python.h"; then
        PYTHON_CFLAGS="-I$PYTHON_INCLUDE"
    else
        AC_MSG_ERROR([
*** Python header files couldn't be found in your system.
*** Try to install them with your software package manager.])
    fi
    AC_MSG_RESULT(found)
    
    PYTHON_LIB=`$PYTHON -c "import distutils.sysconfig; print distutils.sysconfig.get_config_var('LIBPL')"`
    PYTHON_LFLAGS="-lpython$PYTHON_VERSION "`$PYTHON -c "import distutils.sysconfig; print distutils.sysconfig.get_config_var('LIBS')+' '+distutils.sysconfig.get_config_var('SYSLIBS')+' '+distutils.sysconfig.get_config_var('LINKFORSHARED')"`
    
    AC_MSG_CHECKING(for Python library)
    if test -r "$PYTHON_LIB/libpython$PYTHON_VERSION.so"; then
       PYTHON_LFLAGS="-L$PYTHON_LIB $PYTHON_LFLAGS"
    elif test -r "$PYTHON_LIB/libpython$PYTHON_VERSION.a"; then
       PYTHON_LFLAGS="-L$PYTHON_LIB $PYTHON_LFLAGS"
    elif test -r "$PYTHON_SYSPREFIX/lib/libpython$PYTHON_VERSION.so"; then
       PYTHON_LFLAGS="-L$PYTHON_SYSPREFIX/lib/ $PYTHON_LFLAGS"
    else
        AC_MSG_ERROR([
*** Python library couldn't be found in your system.            
*** Try to install it with your software package manager.])
    fi
    AC_MSG_RESULT(found)
    
    AC_SUBST(PYTHON_CFLAGS)
    AC_SUBST(PYTHON_LFLAGS)
    AC_DEFINE(PLUGIN_PYTHON)
fi

if test "x$enable_ruby" = "xyes" ; then
    enable_plugins="yes"
    
    # TODO: check that ruby lib and headers are installed
    
    RUBY_CFLAGS=-I`ruby -rrbconfig -e "puts Config::CONFIG[['archdir']]"`
    RUBY_LFLAGS=`ruby -rrbconfig -e "puts Config::CONFIG[['LIBRUBYARG_SHARED']]"`
    AC_SUBST(RUBY_CFLAGS)
    AC_SUBST(RUBY_LFLAGS)
    AC_DEFINE(PLUGIN_RUBY)
fi

if test "x$enable_plugins" = "xyes" ; then
    AC_CHECK_FUNCS(dlopen, LIBDL_FOUND=yes, LIBDL_FOUND=no)
    if test "$LIBDL_FOUND" != "yes"; then
        AC_CHECK_LIB(dl, dlopen, LIBDL_FOUND=yes, LIBDL_FOUND=no)
        if test "$LIBDL_FOUND" = "yes"; then
            PLUGINS_LIBS="-ldl"
        else
            AC_MSG_ERROR([
*** "dl" library (dynamic library loader) couldn't be found in your system.
*** Try to install it with your software package manager or disable plugins.])
        fi
    fi
    AC_DEFINE(PLUGINS)
fi

AC_SUBST(PLUGINS_LIBS)

# ------------------------------------------------------------------------------
#                                   gnutls
# ------------------------------------------------------------------------------

if test "x$enable_gnutls" = "xyes" ; then
    found_gnutls="no"
    AM_PATH_LIBGNUTLS( 1.0.0, found_gnutls=yes, AC_MSG_WARN([[
*** libgnutls was not found. You may want to get it from
*** ftp://ftp.gnutls.org/pub/gnutls/
*** WeeChat will be built without GnuTLS support.]]))
    if test "x$found_gnutls" = "xyes" ; then
       GNUTLS_CFLAGS=`libgnutls-config --cflags`
       GNUTLS_LFLAGS=`libgnutls-config --libs`
       AC_SUBST(GNUTLS_CFLAGS)
       AC_SUBST(GNUTLS_LFLAGS)
       AC_DEFINE(HAVE_GNUTLS)
    else
        enable_gnutls="no"
    fi
fi

# ------------------------------------------------------------------------------
#                                general vars
# ------------------------------------------------------------------------------

if test "x$prefix" = "xNONE" ; then
   prefix="$ac_default_prefix"
fi

if test "x$exec_prefix" = "xNONE" ; then
   exec_prefix="$prefix"
fi

AC_DEFINE_UNQUOTED(PREFIX, "${prefix}")

WEECHAT_LIBDIR=`eval echo ${libdir}/weechat`
AC_DEFINE_UNQUOTED(WEECHAT_LIBDIR, "$WEECHAT_LIBDIR")

WEECHAT_SHAREDIR=`eval echo ${datadir}/weechat`
AC_DEFINE_UNQUOTED(WEECHAT_SHAREDIR, "$WEECHAT_SHAREDIR")

weechat_libdir=${libdir}/weechat
AC_SUBST(weechat_libdir)
 
CFLAGS=`echo $CFLAGS | sed s/-g//g`
if test "x$CFLAGS" = "x" ; then
    CFLAGS="-O2"
fi
if test "x$debug" = "x1" || test "x$debug" = "x2" ; then
    CFLAGS="-Wall -W $CFLAGS -pipe -g"
else
    CFLAGS="-Wall -W $CFLAGS -pipe"
fi

if test "x$debug" = "x2" ; then
    AC_DEFINE(DEBUG)
fi

LIBS="$LIBS $INTLLIBS"

case "$host_os" in
freebsd* | netbsd*)
        if test "x$enable_perl" = "xyes" -o "x$enable_python" = "xyes" ; then
	   CFLAGS="$CFLAGS -pthread"
        fi
        CFLAGS="$CFLAGS $CPPFLAGS"
        ;;
openbsd*)
        if test "x$enable_python" = "xyes" ; then
           CFLAGS="$CFLAGS -pthread"
        fi
        ;;
*)
        ;;
esac

# ------------------------------------------------------------------------------
#                                output Makefiles
# ------------------------------------------------------------------------------

AC_OUTPUT([Makefile
           doc/Makefile
           src/Makefile
           src/common/Makefile
           src/irc/Makefile
           src/plugins/Makefile
           src/plugins/scripts/Makefile
           src/plugins/scripts/perl/Makefile
           src/plugins/scripts/python/Makefile
           src/plugins/scripts/ruby/Makefile
           src/gui/Makefile
           src/gui/curses/Makefile
           src/gui/wxwidgets/Makefile
           src/gui/gtk/Makefile
           src/gui/qt/Makefile
           intl/Makefile
           po/Makefile.in])

# ------------------------------------------------------------------------------
#                                  end message
# ------------------------------------------------------------------------------

listgui=
if test "x$enable_ncurses" = "xyes" ; then
    listgui="$listgui ncurses"
fi
if test "x$enable_wxwidgets" = "xyes"; then
   listgui="$listgui WxWidgets"
fi
if test "x$enable_gtk" = "xyes" ; then
    listgui="$listgui Gtk+"
fi
if test "x$enable_qt" = "xyes" ; then
    listgui="$listgui Qt"
fi

if test "x$listgui" = "x" ; then
    AC_MSG_ERROR([
*** No interface specified...
*** Please specify at least ncurses, WxWidgets, Gtk or Qt.])
fi

msg_debug_compiler="no"
msg_debug_verbose="no"
if test "x$debug" = "x1" || test "x$debug" = "x2" ; then
    msg_debug_compiler="yes"
fi
if test "x$debug" = "x2" ; then
    msg_debug_verbose="yes"
fi

echo ""
echo "Interfaces.................................... :$listgui"
echo "Build with GNUtls support..................... : $enable_gnutls"
echo "Build with Plugin support..................... : $enable_plugins"
echo "              Perl plugin..................... : $enable_perl"
echo "              Python plugin................... : $enable_python"
echo "              Ruby plugin..................... : $enable_ruby"
echo "Compile with debug info....................... : $msg_debug_compiler"
echo "Print debugging messages...................... : $msg_debug_verbose"
echo ""
eval echo "WeeChat will be installed in $bindir."
echo ""
echo "configure complete, now type 'make' to build WeeChat $VERSION"
echo ""