+dnl ------ Look for Tcl
+dnl See if user has specified location of tclConfig.sh; otherwise
+dnl see if tclConfig.sh exists in same prefix lcoation as tclsh; otherwise
+dnl disable Tcl.
+TCL_LIB=""
+TCL_INCLUDE=""
+tclconfig=NONE
+AC_ARG_WITH(tclconfig, [ --with-tclconfig=DIR tclConfig.sh in DIR], [tclconfig=$withval])
+if test "x$tclconfig" = xNONE; then
+ saveprefix=${prefix}
+ AC_PREFIX_PROGRAM(tclsh)
+ tclconfig=${prefix}/lib
+ prefix=${saveprefix}
+fi
+AC_MSG_CHECKING(for Tcl)
+if test -r ${tclconfig}/tclConfig.sh; then
+ . ${tclconfig}/tclConfig.sh
+ if test -r ${tclconfig}/../generic/tcl.h; then
+ TCL_INCLUDE=-I${tclconfig}/../generic
+ TCL_LIB="$TCL_BUILD_LIB_SPEC $TCL_LIBS"
+ else
+ TCL_INCLUDE=-I${TCL_PREFIX}/include
+ TCL_LIB="$TCL_LIB_SPEC $TCL_LIBS"
+ fi
+ SHLIB_CFLAGS=$TCL_SHLIB_CFLAGS
+ SHLIB_LD=$TCL_SHLIB_LD
+ SHLIB_SUFFIX=$TCL_SHLIB_SUFFIX
+ SHLIB_VERSION=$TCL_SHLIB_VERSION
+ AC_MSG_RESULT($TCL_VERSION)
+ ODEFS="-DHAVE_TCL_H=1"
+else
+ AC_MSG_RESULT(Not found)
+ ODEFS="-DHAVE_TCL_H=0"
+fi
+dnl
+dnl ------ times
+AC_CHECK_HEADERS(sys/times.h)
+dnl
+dnl ------- BZIP2
+AC_CHECK_LIB(bz2,bzCompressInit)
+if test "$ac_cv_lib_bz2_bzCompressInit" = "yes"; then
+ AC_CHECK_HEADERS(bzlib.h)
+fi
+dnl
+dnl ------ ANSI C Header files