$NetBSD$

Use pkgsrc sqlite3

--- auxil/broker/CMakeLists.txt.orig	2021-09-22 16:48:27.000000000 +0000
+++ auxil/broker/CMakeLists.txt
@@ -272,13 +272,13 @@ configure_file(${CMAKE_CURRENT_SOURCE_DI
                ${CMAKE_CURRENT_BINARY_DIR}/include/broker/config.hh)
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/include/broker/config.hh DESTINATION include/broker)
 
-if (NOT BROKER_EXTERNAL_SQLITE_TARGET)
+if (NOT TARGET PkgConfig::SQLITE3)
   include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty)
   set_source_files_properties(3rdparty/sqlite3.c PROPERTIES COMPILE_FLAGS
                               -DSQLITE_OMIT_LOAD_EXTENSION)
   list(APPEND OPTIONAL_SRC 3rdparty/sqlite3.c)
 else()
-  list(APPEND LINK_LIBS ${BROKER_EXTERNAL_SQLITE_TARGET})
+  list(APPEND LINK_LIBS PkgConfig::SQLITE3)
 endif()
 
 set(BROKER_SRC