dnl autoconf rules to find tcl
dnl $Header: /usr/src/mash/repository/common/conf/configure.in.tcl,v 1.26 1998/12/16 18:29:35 heideman Exp $ (LBL)

AC_ARG_WITH(tcl,	--with-tcl=path	specify a pathname for tcl, d=$withval, d="")

AC_ARG_WITH(tcl-ver, --with-tcl-ver=path specify the version of tcl/tk, TCL_VERS=$withval, TCL_VERS=8.0)

TCL_ALT_VERS=`echo $TCL_VERS | sed 's/\.//'`

dnl work with one version in the past
TCL_OLD_VERS=7.6
TCL_OLD_ALT_VERS=`echo $TCL_OLD_VERS | sed 's/\.//'`

dnl These paths are pretty hellish and should probably be pruned.
TCL_TCL_PLACES_D="$d \
		$d/lib/tcl$TCL_VERS \
		$d/lib/tcl$TCL_ALT_VERS \
		$d/lib/tcl \
		$d/../lib/tcl$TCL_VERS \
		$d/../lib/tcl$TCL_ALT_VERS \
		$d/lib/tcl$TCL_OLD_VERS \
		$d/lib/tcl$TCL_OLD_ALT_VERS \
		$d/../lib/tcl$TCL_OLD_VERS \
		$d/../lib/tcl$TCL_OLD_ALT_VERS \
		$d/lib \
		$d/library \
		"
TCL_TCL_PLACES="../tcl$TCL_VERS/library \
                ../tcl$TCL_ALT_VERS/library \
		/usr/lib/tcl$TCL_VERS \
		/usr/lib/tcl$TCL_ALT_VERS \
		/usr/lib/tcl \
		/lib/tcl$TCL_VERS \
		/lib/tcl$TCL_ALT_VERS \
		/usr/lib/tcl$TCL_OLD_VERS \
		/usr/lib/tcl$TCL_OLD_ALT_VERS \
		/lib/tcl$TCL_OLD_VERS \
		/lib/tcl$TCL_OLD_ALT_VERS \
		/usr/lib \
                /usr/src/local/tcl$TCL_VERS/library \
                /usr/src/local/tcl$TCL_ALT_VERS/library \
                /usr/local/lib/tcl$TCL_VERS \
                /usr/local/lib/tcl$TCL_ALT_VERS \
                /usr/local/include/tcl$TCL_VERS \
                /usr/local/include/tcl$TCL_ALT_VERS \
		../tcl$TCL_OLD_VERS/library \
                ../tcl$TCL_OLD_ALT_VERS/library \
                /usr/src/local/tcl$TCL_OLD_VERS/library \
                /usr/src/local/tcl$TCL_OLD_ALT_VERS/library \
                /usr/local/lib/tcl$TCL_OLD_VERS \
                /usr/local/lib/tcl$TCL_OLD_ALT_VERS \
                /usr/local/include/tcl$TCL_OLD_VERS \
                /usr/local/include/tcl$TCL_OLD_ALT_VERS \
                /usr/local/include \
                $prefix/include \
		$prefix/lib/tcl \
                $x_includes/tk \
                $x_includes \
                /usr/contrib/include \
                /usr/include"
TCL_H_PLACES_D="$d/generic \
		$d/unix \
		$d/include/tcl$TCL_VERS \
		$d/include/tcl$TCL_ALT_VERS \
		$d/include \
		"
TCL_H_PLACES="../tcl$TCL_VERS/generic \
		../tcl$TCL_ALT_VERS/generic \
		/usr/src/local/tcl$TCL_VERS/generic \
		/usr/src/local/tcl$TCL_ALT_VERS/generic \
		../tcl$TCL_VERS/unix \
		../tcl$TCL_ALT_VERS/unix \
		/usr/src/local/tcl$TCL_VERS/unix \
		/usr/src/local/tcl$TCL_ALT_VERS/unix \
		/usr/contrib/include \
		/usr/local/lib/tcl$TCL_VERS \
		/usr/local/lib/tcl$TCL_ALT_VERS \
		/usr/local/include/tcl$TCL_VERS \
		/usr/local/include/tcl$TCL_ALT_VERS \
		/usr/local/include \
		/import/tcl/include/tcl$TCL_VERS \
		/import/tcl/include/tcl$TCL_ALT_VERS \
		../tcl$TCL_OLD_VERS/generic \
		../tcl$TCL_OLD_ALT_VERS/generic \
		/usr/src/local/tcl$TCL_OLD_VERS/generic \
		/usr/src/local/tcl$TCL_OLD_ALT_VERS/generic \
		../tcl$TCL_OLD_VERS/unix \
		../tcl$TCL_OLD_ALT_VERS/unix \
		/usr/src/local/tcl$TCL_OLD_VERS/unix \
		/usr/src/local/tcl$TCL_OLD_ALT_VERS/unix \
		/usr/local/lib/tcl$TCL_OLD_VERS \
		/usr/local/lib/tcl$TCL_OLD_ALT_VERS \
		/usr/local/include/tcl$TCL_OLD_VERS \
		/usr/local/include/tcl$TCL_OLD_ALT_VERS \
		/import/tcl/include/tcl$TCL_OLD_VERS \
		/import/tcl/include/tcl$TCL_OLD_ALT_VERS \
		$prefix/include \
		$x_includes/tk \
		$x_includes \
		/usr/include \
		/usr/include/tcl"
dnl /usr/include/tcl is for Debian Linux
TCL_LIB_PLACES_D="$d \
		$d/lib \
		$d/unix"
TCL_LIB_PLACES=" \
		../tcl$TCL_VERS/unix \
                ../tcl$TCL_ALT_VERS/unix \
                /usr/src/local/tcl$TCL_VERS/unix \
                /usr/src/local/tcl$TCL_ALT_VERS/unix \
                /usr/contrib/lib \
                /usr/local/lib/tcl$TCL_VERS \
                /usr/local/lib/tcl$TCL_ALT_VERS \
		/usr/lib/tcl$TCL_VERS \
		/usr/lib/tcl$TCL_ALT_VERS \
		../tcl$TCL_OLD_VERS/unix \
                ../tcl$TCL_OLD_ALT_VERS/unix \
                /usr/src/local/tcl$TCL_OLD_VERS/unix \
                /usr/src/local/tcl$TCL_OLD_ALT_VERS/unix \
                /usr/local/lib/tcl$TCL_OLD_VERS \
                /usr/local/lib/tcl$TCL_OLD_ALT_VERS \
		/usr/lib/tcl$TCL_OLD_VERS \
		/usr/lib/tcl$TCL_OLD_ALT_VERS \
                /usr/local/lib \
                $prefix/lib \
                $x_libs/tk \
                $x_libs \
                /usr/lib \
		"

dnl Decide which set of .tcl library files to use
dnl XXX: This is a hack

if test "$TCL_VERS" = "8.0" ; then 
	V_TCL_LIBRARY_FILES="\$(TCL_80_LIBRARY_FILES)"
else
	V_TCL_LIBRARY_FILES="\$(TCL_76_LIBRARY_FILES)"
fi
AC_SUBST(V_TCL_LIBRARY_FILES)


NS_BEGIN_PACKAGE(tcl)
NS_CHECK_HEADER_PATH(tcl.h,$TCL_H_PLACES,$d,$TCL_H_PLACES_D,V_INCLUDE_TCL,tcl)
NS_CHECK_LIB_PATH(tcl$TCL_VERS,$TCL_LIB_PLACES,$d,$TCL_LIB_PLACES_D,V_LIB_TCL,tcl)
NS_CHECK_ANY_PATH(init.tcl,$TCL_TCL_PLACES,$d,$TCL_TCL_PLACES_D,V_LIBRARY_TCL,tcl)

#
# check for tclsh
#
oldpath=$PATH
# $d/unix works if $d is the 8.0 distribution
# $d/bin is for the ns-allinone distribution (kind of hacky, isn't it?)
PATH=$PATH:$d/unix:$d/bin
AC_PATH_PROGS(V_TCLSH,tclsh$TCL_VERS tclsh tclsh$TCL_OLD_VERS,no)
if test x"$V_TCLSH" = xno
then
	# out of luck
	NS_PACKAGE_NOT_COMPLETE(tcl)
fi
PATH=$oldpath

NS_END_PACKAGE(tcl,yes)

AC_SUBST(V_LIBRARY_TCL)
