dnl IR toolkit for tcl/tk
dnl (c) Index Data 1996
dnl See the file LICENSE for details.
dnl $Id: configure.in,v 1.14 1996-03-27 08:38:32 adam Exp $
AC_INIT(ir-tcl.h)
CC=${CC-cc}
dnl ------ Substitutions
AC_SUBST(CC)
AC_SUBST(TCLLIB)
AC_SUBST(TKLIB)
AC_SUBST(TCLINCLUDE)
AC_SUBST(YAZDIR)
AC_SUBST(MOSI)
AC_SUBST(MOSIDIR)
AC_SUBST(MOSILIB)
AC_SUBST(MOSIINC)
AC_SUBST(XINCLUDES)
AC_SUBST(XLIBSW)
dnl ------ Preliminary settings
AC_PROG_INSTALL
AC_PREFIX_PROGRAM(tclsh)
AC_STDC_HEADERS
if test "$ac_cv_header_stdc" = no; then
	AC_MSG_WARN(Your system doesn't seem to support ANSI C)
fi
dnl ------ look for YAZ/XTImOSI
AC_MSG_CHECKING(for YAZ directory)
AC_ARG_WITH(yazdir,[  --with-yazdir           Yaz directory], [YAZDIR=$withval])
if test "$YAZDIR" = "yes"; then
	YAZDIR="../yaz-1.0"
elif test "$YAZDIR" = ""; then
        YAZDIR="../yaz"
        for i in ../yaz-1.0pl3 ../yaz-1.0pl4 ../yaz-1.0pl5 ../yaz; do
            if test -d $i; then
                YAZDIR=$i
            fi
        done
fi
AC_MSG_RESULT($YAZDIR)
if test ! -d $YAZDIR; then
	AC_MSG_WARN(YAZ directory doesnt exist)
fi
AC_MSG_CHECKING(for MOSI)
AC_ARG_WITH(mosidir, [  --with-mosidir          MOSI directory], [MOSIDIR=$withval])
if test "$MOSIDIR" = "yes"; then
	MOSIDIR="../xtimosi/src"
elif test "$MOSIDIR" = ""; then
	MOSIDIR="../xtimosi/src"
fi
if test -r ${YAZDIR}/lib/librfc.a; then
	MOSI=1
	MOSIDIR=$MOSIDIR
	MOSILIB='$(MOSIDIR)/libmosi.a $(YAZDIR)/lib/librfc.a'
	MOSIINC='-I$(MOSIDIR)'
        MOSITELL=yes
else
	MOSI=0
	MOSIDIR=$MOSIDIR
        MOSILIB='# $(MOSIDIR)/libmosi.a $(YAZDIR)/lib/librfc.a'
	MOSIINC='# -I$(MOSIDIR)'
        MOSITELL=no
fi
AC_MSG_RESULT($MOSITELL)
dnl ------ look for Tcl
if test "x$prefix" = xNONE; then
	trylib=/usr/local/lib
else
	trylib=${prefix}/lib
fi
if test -r ${trylib}/tclConfig.sh; then
	AC_MSG_CHECKING(for Tcl)
	source ${trylib}/tclConfig.sh
	LIBS=$TCL_LIBS
	if test "$TCL_LIB_VERSIONS_OK" = "yes"; then
		TCLLIB="-L${TCL_PREFIX}/lib -ltcl${TCL_VERSION}"
	else
		TCLLIB=${TCL_PREFIX}/lib/${TCL_LIB_FILE}
	fi
	TCLINCLUDE=-I${TCL_PREFIX}/include
	RANLIB=$TCL_RANLIB
	AC_MSG_RESULT($TCL_VERSION)
else
	AC_PROG_RANLIB
	checkBoth=0
	AC_CHECK_FUNC(connect, tk_checkSocket=0, tk_checkSocket=1)
	if test "$tk_checkSocket" = 1; then
	AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", checkBoth=1)
	fi
	if test "$checkBoth" = 1; then
		tk_oldLibs=$LIBS
		LIBS="$LIBS -lsocket -lnsl"
		AC_CHECK_FUNC(accept, , [LIBS=$tk_oldLibs])
	fi
	AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"]))
	AC_MSG_CHECKING(for Tcl)
	TCL_VERSION=nope
	for i in "" 7.4 7.5; do
		if test -r ${trylib}/libtcl${i}.a; then
			TCL_VERSION=$i
		fi
	done
	if test "$TCL_VERSION" = nope; then
		AC_MSG_WARN(Didn't find Tcl)
		TCLLIB=-ltcl
		TCLINCLUDE=" # -I.. Tcl/Tk include path"
	else
		AC_MSG_RESULT($TCL_VERSION)
		TCLLIB=${trylib}/libtcl${TCL_VERSION}.a
		TCLINCLUDE=-I${trylib}
	fi
	LIBS="${LIBS} -lm"
fi
dnl ------ look for Tk
TKLIB=-ltk
for i in .a 4.0.a 4.1.a; do
	if test -r /usr/local/lib/libtk$i; then
		TKLIB=/usr/local/lib/libtk$i
	fi
done
dnl ------ look for X11
AC_PATH_X
not_really_there=""
if test "$no_x" = ""; then
    if test "$x_includes" = ""; then
	AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
    else
	if test ! -r $x_includes/X11/Intrinsic.h; then
	    not_really_there="yes"
	fi
    fi
fi
if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
    echo checking for X11 header files
    XINCLUDES="# no special path needed"
    AC_TRY_CPP([#include <X11/Intrinsic.h>], , XINCLUDES="nope")
    if test "$XINCLUDES" = nope; then
        dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/include/X11R4 /usr/X11R5/include /usr/include/X11R5 /usr/openwin/include /usr/X11/include /usr/sww/include"
        for i in $dirs ; do
	    if test -r $i/X11/Intrinsic.h; then
	        XINCLUDES=" -I$i"
	    fi
        done
    fi
else
    if test "$x_includes" != ""; then
	XINCLUDES=-I$x_includes
    else
	XINCLUDES="# no special path needed"
    fi
fi
if test "$XINCLUDES" = nope; then
  echo "Warning:  couldn't find any X11 include files."
  XINCLUDES="# no include files found"
fi
if test "$no_x" = yes; then
    XLIBSW=nope
    if test "$XLIBSW" = nope; then
	dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/lib/X11R4 /usr/X11R5/lib /usr/lib/X11R5 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
	for i in $dirs ; do
	    if test -r $i/libX11.a; then
		XLIBSW="-L$i -lX11"
	    fi
	done
    fi
else
    if test "$x_libraries" = ""; then
	XLIBSW=-lX11
    else
	XLIBSW="-L$x_libraries -lX11"
    fi
fi
if test "$XLIBSW" = nope ; then
    AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow)
fi
if test "$XLIBSW" = nope ; then
    echo "Warning:  couldn't find the X11 library archive.  Using -lX11."
    XLIBSW=-lX11
fi
AC_OUTPUT(Makefile)