dnl (c) Index Data 1996-2000
dnl See the file LICENSE for details.
dnl $Id: configure.in,v 1.6 2001/01/23 12:05:07 adam Exp $
AC_INIT(hswitch.c)
dnl ------ Substitutions
AC_SUBST(CC)
AC_SUBST(TCLLIB)
AC_SUBST(TCLINC)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(SHLIB_LD)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(SHLIB_VERSION)
AC_PROG_INSTALL
dnl
dnl ------ look for Tcl
tclconfig=NONE
tryprefix=NONE
AC_ARG_WITH(tclconfig, [  --with-tclconfig        Path for tclConfig.sh/tkConfig.sh], [tclconfig=$withval])
if test "x$tclconfig" = xNONE; then
        saveprefix=${prefix}
	AC_PREFIX_PROGRAM(tclsh)
	if test "x$prefix" = xNONE; then
		AC_PREFIX_PROGRAM(tclsh8.3)
	fi
	if test "x$prefix" = xNONE; then
		AC_PREFIX_PROGRAM(tclsh8.2)
	fi
	if test "x$prefix" = xNONE; then
		AC_PREFIX_PROGRAM(tclsh8.1)
	fi
	if test "x$prefix" = xNONE; then
		AC_PREFIX_PROGRAM(tclsh8.0)
	fi
	if test "x$prefix" = xNONE; then
		AC_PREFIX_PROGRAM(tclsh7.6)
	fi
	if test "x$prefix" = xNONE; then
		AC_PREFIX_PROGRAM(tclsh7.5)
	fi
	if test "x$prefix" = xNONE; then
		prefix=/usr/local
	fi
        tclconfig=${prefix}/lib
	tryprefix=${prefix}
        prefix=${saveprefix}
fi
if test -r ${tclconfig}/tclConfig.sh; then
	AC_MSG_CHECKING(for Tcl)
	. ${tclconfig}/tclConfig.sh
	TCLLIB="${TCL_LIB_SPEC} ${TCL_LIBS}"
	TCLINC=-I${TCL_PREFIX}/include
	RANLIB=$TCL_RANLIB
        SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
	SHLIB_LD=$TCL_SHLIB_LD
	SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
	SHLIB_VERSION=$TCL_SHLIB_VERSION
	AC_MSG_RESULT($TCL_VERSION)
	CC=$TCL_CC
else
	AC_PROG_CC
        SHLIB_CFLAGS=""
	SHLIB_LD="shared-linker"
	SHLIB_SUFFIX=""
	SHLIB_VERSION=""
	AC_PROG_RANLIB
	AC_MSG_CHECKING(for Tcl)
	TCL_VERSION=nope
	for i in "" 7.4 7.5 7.6 8.0; do
		if test -r ${tryprefix}/lib/libtcl${i}.a; then
			TCL_VERSION=$i
		fi
	done
	if test "$TCL_VERSION" = nope; then
		AC_MSG_WARN(Didn't find Tcl)
		TCL_LIB_SPEC=-ltcl
		TCLINC=" # -I.. Tcl/Tk include path"
	else
		if test "$TCL_VERSION" = ""; then
			AC_MSG_RESULT(7.3)
		else
			AC_MSG_RESULT($TCL_VERSION)
		fi
		TCL_LIB_SPEC=${tryprefix}/lib/libtcl${TCL_VERSION}.a
		TCLINC=-I${tryprefix}/include
	fi
	TCLLIB="${TCL_LIB_SPEC} ${LIBS} -lm"
fi
AC_OUTPUT(Makefile)