File snack-tk-libs.patch of Package snack
--- unix/Makefile.in.orig
+++ unix/Makefile.in
@@ -36,7 +36,7 @@ CFLAGS = ${OPTFLAGS} @CFLAGS@ @AFLAG@
LIBSO = -lc @ALIB@ @TCL_LIB_SPEC@
-LIBSN = -lc @TK_LIBS@ @ALIB@ @TCL_LIB_SPEC@ @TK_LIB_SPEC@
+LIBSN = -lc @ALIB@ @TCL_LIB_SPEC@ @TK_LIB_SPEC@
SHLIB_LD = @SHLIB_LD@
SHLIB_SUFFIX = @SHLIB_SUFFIX@