--- unix/tcl.m4	2007-05-21 16:41:34 +0000
+++ unix/tcl.m4	2007-05-21 16:49:24 +0000
@@ -1340,7 +1340,7 @@
 	    #CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
 
 	    if test "$have_dl" = yes; then
-		SHLIB_LD="${CC} -shared"
+		SHLIB_LD='${CC} -shared -Wl,-soname,${@}'
 		DL_OBJS="tclLoadDl.o"
 		DL_LIBS="-ldl"
 		LDFLAGS="$LDFLAGS -Wl,--export-dynamic"