$NetBSD$

The static version of libtgf also needs to link against expat.
--- src/libs/tgf/CMakeLists.txt.orig	2022-08-01 21:18:33.842144114 -0700
+++ src/libs/tgf/CMakeLists.txt	2022-08-01 21:17:58.736560315 -0700
@@ -43,6 +43,7 @@
 
 IF(CMAKE_SKIP_RPATH OR CMAKE_SKIP_BUILD_RPATH)
     SD_ADD_LIBRARY(tgf_static STATIC ${TGF_HEADERS} ${TGF_SOURCES})
+    ADD_EXPAT_LIBRARY(tgf_static)
 ENDIF(CMAKE_SKIP_RPATH OR CMAKE_SKIP_BUILD_RPATH)
 
 ADD_SDLIB_LIBRARY(tgf portability txml) # txml ignored if OPTION_3RDPARTY_EXPAT