dnl Process this file with autoconf to produce a configure script.

AC_INIT(src/main.c)

AC_CONFIG_HEADER(src/config.h)

AM_SANITY_CHECK

AC_PROG_CC

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h unistd.h string.h sys/varargs.h stdarg.h sys/time.h signal.h netinet/in.h sys/types.h arpa/inet.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST

dnl Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(memmove socket gettimeofday setsockopt inet_aton)

AC_FUNC_VPRINTF
AC_FUNC_STRFTIME

AC_PATH_X

AM_PATH_GTK(1.2.0, , AC_MSG_ERROR(GTK+ is not installed or badly configured on your system...))

AC_PATH_PROG(gmake, gmake)
AC_PROG_MAKE_SET

AC_PROG_INSTALL

dnl #####################################################################################################

dnl TCL Stuff... based on configure.in of eggdrop1.4.0 :/

AC_ARG_ENABLE(tcl, [  --disable-tcl           Do not try to find and use TCL], tclenable="$enableval")
AC_ARG_WITH(tcllib, [  --with-tcllib=PATH      full path to tcl library], tcllibname=$withval)
AC_ARG_WITH(tclinc, [  --with-tclinc=PATH      full path to tcl header], tclincname=$withval)

if test ! "_${tcllibname}" = "_"
then
	tcl_needed="yes"
elif test ! "_${tclincname}" = "_"
then
	tcl_needed="yes"
elif test "_$tclenable" = "_yes"
then
	tcl_needed="yes"
elif test "_$tclenable" = "_no"
then
	tcl_needed="no"
elif test "_$tclenable" = "_"
then
	tcl_needed="use_it_if_found"
else
	cat << 'EOF' >&2
configure: error:

   Please use --with-tcllib and --with-tclinc instead of --enable-tcl
   to specify the paths to the tcl library and the tcl header.

EOF
	exit 1
fi

if test ! "_$tcl_needed" = "_no"
then

dnl # dnl awk is needed for Tcl library stuff and version number checking.
dnl # 
dnl # AC_PROG_AWK
dnl # 
dnl # if test "_${AWK}" = "_"
dnl # then
dnl #   cat << 'EOF' >&2
dnl # configure: error:
dnl # 
dnl #   This system seems to lack a working 'awk' command.
dnl #   A working 'awk' command is required to compile Ol-Irc.
dnl # 
dnl # EOF
dnl #   exit 1
dnl # fi

tclrecommendver="8.2.1"

tcllibnames="tcl tcl8.3 tcl83 tcl8.2 tcl82 tcl8.1 tcl81 \
	tcl8.0 tcl80 tcl7.6 tcl76 tcl7.5 tcl75 tcl7.4 tcl74 \
	tcl7.3 tcl73 tcl7.2 tcl72 tcl7.1 tcl71 tcl7.0 tcl70"

tcllibextensions=".so .so.1 .so.1.0 .so.1.2 .a"

tcllibpaths="/usr/local/lib /usr/local/pkgs/tcl/lib \
	/usr/lib /lib /usr/i486-linuxaout/lib \
	$HOME/lib $HOME/tcl/lib $HOME"

tclheadernames="tcl.h"

tclheaderpaths="/usr/local/include /usr/local/pkgs/tcl/include \
	/usr/include $HOME/include $HOME/tcl/include $HOME"

# make sure either both or neither $tcllibname and $tclincname are set
if test ! "_${tcllibname}" = "_"
then
  if test "_${tclincname}" = "_"
  then
    cat << 'EOF' >&2
configure: warning:

  You must specify both --with-tcllib and --with-tclinc for them to work.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
    tcllibname=""
    TCLLIB=""
    TCLINC=""
  fi
else
  if test ! "_${tclincname}" = "_"
  then
    cat << 'EOF' >&2
configure: warning:

  You must specify both --with-tcllib and --with-tclinc for them to work.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
    tclincname=""
    TCLLIB=""
    TCLINC=""
  fi
fi

# make sure either both or neither $TCLLIB and $TCLINC are set
if test ! "_${TCLLIB}" = "_"
then
  if test "_${TCLINC}" = "_"
  then
    cat << 'EOF' >&2
configure: warning:

  Environment variable TCLLIB was set, but I did not detect TCLINC.
  Please set both TCLLIB and TCLINC correctly if you wish to use them.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
    TCLLIB=""
  fi
else
  if test ! "_${TCLINC}" = "_"
  then
    cat << 'EOF' >&2
configure: warning:

  Environment variable TCLINC was set, but I did not detect TCLLIB.
  Please set both TCLLIB and TCLINC correctly if you wish to use them.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
    TCLINC=""
  fi
fi

# look for Tcl library: if $tcllibname is set, check there first
if test ! "_${tcllibname}" = "_"
then
  if test -f "$tcllibname" && test -r "$tcllibname"
  then
    TCLLIB=`$DIRNAME $tcllibname`
    TCLLIBFN=`$BASENAME $tcllibname | cut -c4-`
changequote(,)dnl
    TCLLIBEXT=".`echo $TCLLIBFN | $AWK '{j=split($1, i, "."); print i[j]}'`"
changequote([, ])dnl
    TCLLIBFNS=`$BASENAME $tcllibname $TCLLIBEXT | cut -c4-`
  else
    cat << EOF >&2
configure: warning:

  The file '$tcllibname' given to option --with-tcllib is not valid.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
    tcllibname=""
    tclincname=""
    TCLLIB=""
    TCLLIBFN=""
    TCLINC=""
    TCLINCFN=""
  fi
fi

# look for Tcl header: if $tclincname is set, check there first
if test ! "_${tclincname}" = "_"
then
  if test -f "$tclincname" && test -r "$tclincname"
  then
    TCLINC=`$DIRNAME $tclincname`
    TCLINCFN=`$BASENAME $tclincname`
  else
    cat << EOF >&2
configure: warning:

  The file '$tclincname' given to option --with-tclinc is not valid.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
    tcllibname=""
    tclincname=""
    TCLLIB=""
    TCLLIBFN=""
    TCLINC=""
    TCLINCFN=""
  fi
fi

# look for Tcl library: if $TCLLIB is set, check there first
if test "_${TCLLIBFN}" = "_"
then
  if test ! "_${TCLLIB}" = "_"
  then
    if test -d "${TCLLIB}"
    then
      for tcllibfns in $tcllibnames
      do
	for tcllibext in $tcllibextensions
	do
	  if test -r "$TCLLIB/lib$tcllibfns$tcllibext"
	  then
	    TCLLIBFN=$tcllibfns$tcllibext
	    TCLLIBEXT=$tcllibext
	    TCLLIBFNS=$tcllibfns
	    break 2
	  fi
	done
      done
    fi
    if test "_${TCLLIBFN}" = "_"
    then
      cat << 'EOF' >&2
configure: warning:

  Environment variable TCLLIB was set, but incorrect.
  Please set both TCLLIB and TCLINC correctly if you wish to use them.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
      TCLLIB=""
      TCLLIBFN=""
      TCLINC=""
      TCLINCFN=""
    fi
  fi
fi

# look for Tcl header: if $TCLINC is set, check there first
if test "_${TCLINCFN}" = "_"
then
  if test ! "_${TCLINC}" = "_"
  then
    if test -d "${TCLINC}"
    then
      for tclheaderfn in $tclheadernames
      do
	if test -r "$TCLINC/$tclheaderfn"
	then
	  TCLINCFN=$tclheaderfn
	fi
      done
    fi
    if test "_${TCLINCFN}" = "_"
    then
      cat << 'EOF' >&2
configure: warning:

  Environment variable TCLINC was set, but incorrect.
  Please set both TCLLIB and TCLINC correctly if you wish to use them.
  configure will now attempt to autodetect both the Tcl library and header...

EOF
      TCLLIB=""
      TCLLIBFN=""
      TCLINC=""
      TCLINCFN=""
    fi
  fi
fi

dnl # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #

AC_MSG_CHECKING(for Tcl library)

# attempt autodetect for $TCLLIBFN if it's not set
if test ! "_${TCLLIBFN}" = "_"
then
  AC_MSG_RESULT(using $TCLLIB/lib$TCLLIBFN)
else
  for tcllibfns in $tcllibnames
  do
    for tcllibext in $tcllibextensions
    do
      for tcllibpath in $tcllibpaths
      do
	if test -r "$tcllibpath/lib$tcllibfns$tcllibext"
	then
	  AC_MSG_RESULT(found $tcllibpath/lib$tcllibfns$tcllibext)
	  TCLLIB=$tcllibpath
	  TCLLIBFN=$tcllibfns$tcllibext
	  TCLLIBEXT=$tcllibext
	  TCLLIBFNS=$tcllibfns
	  break 3
	fi
      done
    done
  done
fi

# show if $TCLLIBFN wasn't found
if test "_${TCLLIBFN}" = "_"
then
  AC_MSG_RESULT(not found)
fi

dnl # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #

AC_MSG_CHECKING(for Tcl header)

# attempt autodetect for $TCLINCFN if it's not set
if test ! "_${TCLINCFN}" = "_"
then
  AC_MSG_RESULT(using $TCLINC/$TCLINCFN)
else
  for tclheaderpath in $tclheaderpaths
  do
    for tclheaderfn in $tclheadernames
    do
      if test -r "$tclheaderpath/$tclheaderfn"
      then
	AC_MSG_RESULT(found $tclheaderpath/$tclheaderfn)
	TCLINC=$tclheaderpath
	TCLINCFN=$tclheaderfn
	break 2
      fi
    done
  done
  # FreeBSD hack ...
  if test "_${TCLINCFN}" = "_"
  then
    for tcllibfns in $tcllibnames
    do
      for tclheaderpath in $tclheaderpaths
      do
	for tclheaderfn in $tclheadernames
	do
	  if test -r "$tclheaderpath/$tcllibfns/$tclheaderfn"
	  then
	    AC_MSG_RESULT(found $tclheaderpath/$tcllibfns/$tclheaderfn)
	    TCLINC=$tclheaderpath/$tcllibfns
	    TCLINCFN=$tclheaderfn
	    break 3
	  fi
	done
      done
    done
  fi
fi

# show if $TCLINCFN wasn't found
if test "_${TCLINCFN}" = "_"
then
  AC_MSG_RESULT(not found)
fi

dnl # # # # # # # # # # # # # # # # # # # # # ## # # # # # # # # # # # # # # # # # # # # # # # # # # # # 

if test "_${TCLLIBFN}" = "_" || test "_${TCLINCFN}" = "_"
then

	if test "_$tcl_needed" = "_yes"
	then

	cat << 'EOF' >&2
configure: error:

   I can't find Tcl on this system.

   If you already have Tcl installed on this system, and I just wasn't
	looking in the right place for it, set the environment variables
	TCLLIB and TCLINC so I will know where to find 'libtcl.a'
	(or 'libtcl.so') and 'tcl.h' (respectively).
	Then please run 'configure' again.

	If you don't want TCL support in Ol-Irc, just type :
	./configure --disable-tcl

EOF

	exit 1

	fi

	if test "_${TCLLIBFN}" = "_" && test "_${TCLINCFN}" = "_"
	then
		TCL_SUP="no (TCL not found)"
	elif test "_${TCLLIBFN}" = "_"
	then
		TCL_SUP="no (TCL library not found)"
	else
		TCL_SUP="no (TCL header not found)"
	fi
else

TCL_SUP="yes"

fi

dnl # # # # # # # # # # # # # # # # # # # # # ## # # # # # # # # # # # # # # # # # # # # # # # # # # # # 
dnl 
dnl # done looking, now either TCLLIBFN & TCLINCFN are both set, or we bail
dnl #	if test ! "_${TCLLIBFN}" = "_" && test ! "_${TCLINCFN}" = "_"
dnl #	then
dnl #	
dnl #	  # find Tcl's version
dnl #	  TCL_VERSION=`grep TCL_VERSION $TCLINC/$TCLINCFN | head -1 | $AWK '{gsub(/\"/, "", $3); print $3}'`
dnl #	  TCL_PATCH_LEVEL=`grep TCL_PATCH_LEVEL $TCLINC/$TCLINCFN | head -1 | $AWK '{gsub(/\"/, "", $3); print $3}'`
dnl #	fi
dnl #	
dnl #	# check if we found Tcl's version
dnl #	AC_MSG_CHECKING(for Tcl version)
dnl #	if test ! "_${TCL_VERSION}" = "_"
dnl #	then
dnl #	  if test ! "_${TCL_PATCH_LEVEL}" = "_"
dnl #	  then
dnl #	    AC_MSG_RESULT($TCL_PATCH_LEVEL)
dnl #	    TCL_FOUND=1
dnl #	  else
dnl #	    AC_MSG_RESULT($TCL_VERSION)
dnl #	    TCL_FOUND=1
dnl #	  fi
dnl #	else
dnl #	  AC_MSG_RESULT(not found)
dnl #	  TCL_FOUND=0
dnl #	fi
dnl #	
dnl #	if test $TCL_FOUND = 0
dnl #	then
dnl #	  cat << 'EOF' >&2
dnl #	configure: error:
dnl #	
dnl #	  I can't find Tcl on this system.
dnl #	
dnl #	  Eggdrop now requires Tcl to compile.  If you already have Tcl
dnl #	  installed on this system, and I just wasn't looking in the right
dnl #	  place for it, set the environment variables TCLLIB and TCLINC so
dnl #	  I will know where to find 'libtcl.a' (or 'libtcl.so') and 'tcl.h'
dnl #	  (respectively).  Then run 'configure' again.
dnl #	
dnl #	  Read the README file if you don't know what Tcl is or how to get
dnl #	  it and install it.
dnl #	
dnl #	EOF
dnl #	  exit 1
dnl #	fi
dnl #	
dnl #	# is this Tcl version too old for us to use ?
dnl #	TCL_VER_PRE70=`echo $TCL_VERSION | $AWK '{split($1, i, "."); if (i[1] < 7) print "yes"; else print "no"}'`
dnl #	if test "$TCL_VER_PRE70" = "_yes"
dnl #	then
dnl #	  cat << EOF >&2
dnl #	configure: error:
dnl #	
dnl #	  Your Tcl version is much too old for eggdrop to use.
dnl #	  I suggest you download and complie a more recent version.
dnl #	  The most reliable current version is $tclrecommendver
dnl #	
dnl #	EOF
dnl #	  exit 1
dnl #	fi
dnl #	
dnl #	# are we using a pre 7.5 Tcl version ?
dnl #	changequote(,)dnl
dnl #	TCL_VER_PRE75=`echo $TCL_VERSION | $AWK '{split($1, i, "."); if (((i[1] == 7) && (i[2] < 5)) || (i[1] < 7)) print "yes"; else print "no"}'`
dnl #	changequote([, ])dnl
dnl #	if test "_${TCL_VER_PRE75}" = "_yes"
dnl #	then
dnl #	  AC_DEFINE(HAVE_PRE7_5_TCL)
dnl #	fi
dnl #	
dnl #	# set TCL_TESTLIBS for Tcl library tests
dnl #	if test ! "_${TCLLIBEXT}" = "_.a"
dnl #	then
dnl #	  TCL_TESTLIBS="-L$TCLLIB -l$TCLLIBFNS -lm $LIBS"
dnl #	else
dnl #	  if test ! "_${tcllibname}" = "_"
dnl #	  then
dnl #	    TCL_TESTLIBS="$TCLLIB/lib$TCLLIBFN -lm $LIBS"
dnl #	  else
dnl #	    TCL_TESTLIBS="-L$TCLLIB -l$TCLLIBFNS -lm $LIBS"
dnl #	  fi
dnl #	fi
dnl #	if test "_${ac_cv_lib_pthread_pthread_mutex_init}" = "_yes"
dnl #	then
dnl #	  TCL_TESTLIBS="-lpthread $TCL_TESTLIBS"
dnl #	fi
dnl #	
dnl #	# check for Tcl_Free()
dnl #	AC_MSG_CHECKING(if Tcl library has Tcl_Free)
dnl #	if eval "test \"`echo '$''{'ac_cv_var_tcl_free'+set}'`\" = set"
dnl #	then
dnl #	  echo $ac_n "(cached) $ac_c" 1>&6
dnl #	else
dnl #	  ac_save_LIBS="$LIBS"
dnl #	  LIBS="$TCL_TESTLIBS"
dnl #	  cat > conftest.$ac_ext << EOF
dnl #	#include "confdefs.h"
dnl #	char Tcl_Free();
dnl #	
dnl #	int main() {
dnl #	  Tcl_Free();
dnl #	  return 0;
dnl #	}
dnl #	EOF
dnl #	  if { (eval echo configure: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}
dnl #	  then
dnl #	    rm -rf conftest*
dnl #	    eval "ac_cv_var_tcl_free=yes"
dnl #	  else
dnl #	    echo "configure: failed program was:" >&5
dnl #	    cat conftest.$ac_ext >&5
dnl #	    rm -rf conftest*
dnl #	    eval "ac_cv_var_tcl_free=no"
dnl #	  fi
dnl #	  rm -f conftest*
dnl #	  LIBS="$ac_save_LIBS"
dnl #	fi
dnl #	
dnl #	if test "_${ac_cv_var_tcl_free}" = "_yes"
dnl #	then
dnl #	  AC_MSG_RESULT(yes)
dnl #	  AC_DEFINE(HAVE_TCL_FREE)
dnl #	else
dnl #	  AC_MSG_RESULT(no)
dnl #	fi
dnl #	
dnl #	# check for TclpFinalizeThreadData()
dnl #	AC_MSG_CHECKING(if Tcl library has threads)
dnl #	if eval "test \"`echo '$''{'ac_cv_var_tcl_threads'+set}'`\" = set"
dnl #	then
dnl #	  echo $ac_n "(cached) $ac_c" 1>&6
dnl #	else
dnl #	  ac_save_LIBS="$LIBS"
dnl #	  LIBS="$TCL_TESTLIBS"
dnl #	  cat > conftest.$ac_ext << EOF
dnl #	#include "confdefs.h"
dnl #	char TclpFinalizeThreadData();
dnl #	
dnl #	int main() {
dnl #	  TclpFinalizeThreadData();
dnl #	  return 0;
dnl #	}
dnl #	EOF
dnl #	  if { (eval echo configure: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}
dnl #	  then
dnl #	    rm -rf conftest*
dnl #	    eval "ac_cv_var_tcl_threads=yes"
dnl #	  else
dnl #	    echo "configure: failed program was:" >&5
dnl #	    cat conftest.$ac_ext >&5
dnl #	    rm -rf conftest*
dnl #	    eval "ac_cv_var_tcl_threads=no"
dnl #	  fi
dnl #	  rm -f conftest*
dnl #	  LIBS="$ac_save_LIBS"
dnl #	fi
dnl #	
dnl #	if test "_${ac_cv_var_tcl_threads}" = "_yes"
dnl #	then
dnl #	  AC_MSG_RESULT(yes)
dnl #	  cat << 'EOF' >&2
dnl #	configure: warning:
dnl #	
dnl #	  Your Tcl library is compiled with threads.
dnl #	  There are known problems, but we will attempt to work around them.
dnl #	
dnl #	EOF
dnl #	  AC_DEFINE(HAVE_TCL_THREADS)
dnl #	
dnl #	  # add -lpthread to $LIBS if we have it
dnl #	  if test "_${ac_cv_lib_pthread_pthread_mutex_init}" = "_yes"
dnl #	  then
dnl #	    LIBS="-lpthread $LIBS"
dnl #	  fi
dnl #	else
dnl #	  AC_MSG_RESULT(no)
dnl #	fi
dnl #	
dnl #	if test ! "_${TCLLIBEXT}" = "_.a"
dnl #	then
dnl #	  TCL_REQS="$TCLLIB/lib$TCLLIBFN"
dnl #	  TCL_LIBS="-L$TCLLIB -l$TCLLIBFNS -lm"
dnl #	else
dnl #	
dnl #	  # set default make as static for unshared Tcl library
dnl #	  if test ! "$DEFAULT_MAKE" = "static"
dnl #	  then
dnl #	    cat << 'EOF' >&2
dnl #	configure: warning:
dnl #	
dnl #	  Your Tcl library is not a shared lib.
dnl #	  configure will now set default make type to static...
dnl #	
dnl #	EOF
dnl #	    DEFAULT_MAKE=static
dnl #	  fi
dnl #	
dnl #	  # are we using a pre 7.4 Tcl version ?
dnl #	changequote(,)dnl
dnl #	  TCL_VER_PRE74=`echo $TCL_VERSION | $AWK '{split($1, i, "."); if (((i[1] == 7) && (i[2] < 4)) || (i[1] < 7)) print "yes"; else print "no"}'`
dnl #	changequote([, ])dnl
dnl #	  if test "_${TCL_VER_PRE74}" = "_no"
dnl #	  then
dnl #	
dnl #	    # was the --with-tcllib option given ?
dnl #	    if test ! "_${tcllibname}" = "_"
dnl #	    then
dnl #	      TCL_REQS="$TCLLIB/lib$TCLLIBFN"
dnl #	      TCL_LIBS="$TCLLIB/lib$TCLLIBFN -lm"
dnl #	    else
dnl #	      TCL_REQS="$TCLLIB/lib$TCLLIBFN"
dnl #	      TCL_LIBS="-L$TCLLIB -l$TCLLIBFNS -lm"
dnl #	    fi
dnl #	  else
dnl #	    cat << EOF >&2
dnl #	configure: warning:
dnl #	
dnl #	  Your Tcl version ($TCL_VERSION) is older than 7.4.
dnl #	  There are known problems, but we will attempt to work around them.
dnl #	
dnl #	EOF
dnl #	    TCL_REQS="libtcle.a"
dnl #	    TCL_LIBS="-L. -ltcle -lm"
dnl #	  fi
dnl #	fi
dnl 
dnl # AC_SUBST(TCLLIB)
dnl # AC_SUBST(TCLLIBFN)
dnl # AC_SUBST(TCLINC)
dnl # AC_SUBST(TCLINCFN)
dnl # AC_SUBST(TCL_REQS)
dnl # AC_SUBST(TCL_LIBS)

	TCL_CFLAGS="-DUSE_TCL -I$TCLINC"
	TCL_LIBS="-L$TCLLIB -l$TCLLIBFNS"

else

	TCL_CFLAGS=""
	TCL_LIBS=""
	TCL_SUP="disabled"

fi

AC_SUBST(TCL_CFLAGS)
AC_SUBST(TCL_LIBS)

dnl #####################################################################################################

AC_OUTPUT(Makefile src/Makefile)

echo ""
echo "Ol-Irc configuration :"
echo ""
echo "GTK+ version                 `gtk-config --version`"
echo "TCL scripting                $TCL_SUP"

echo ""
echo "Configuration complete."
echo ""

if test "_$gmake" = "_" ; then
	echo "You can now type 'make' to compile ol-irc."
else
	echo "You can now type 'gmake' to compile ol-irc."
fi

echo ""