--- configure.orig	2021-11-04 15:06:24 UTC
+++ configure
@@ -5223,8 +5223,12 @@ fi
 
 		    # The -pthread needs to go in the LDFLAGS, not LIBS
 		    LIBS=`echo $LIBS | sed s/-pthread//`
+		    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -Wl,-soname,\$@"
 		    CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 		    LDFLAGS="$LDFLAGS $PTHREAD_LIBS"
+		    UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
+		    SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1'
+		    TCL_LIB_VERSIONS_OK=nodots
 fi
 
 	    ;;