Description: Fix build on GNU/Hurd and GNU/kFreeBSD

--- pgtcl-1.5.orig/tclconfig/tcl.m4
+++ pgtcl-1.5/tclconfig/tcl.m4
@@ -1218,7 +1218,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	        fi
 	    fi
 	    ;;
-	Linux*)
+	Linux*|GNU*|NetBSD-Debian)
 	    SHLIB_CFLAGS="-fPIC"
 	    SHLIB_LD_LIBS='${LIBS}'
 	    SHLIB_SUFFIX=".so"