cmake/DaemonGame: do not reset BUILD_GAME_NACL in cmake subproject

Fixup for #1555

Author: illwieckz

cmake/DaemonGame.cmake

@@ -68,40 +68,42 @@ set(SHAREDLIST_sgame
 include(CMakeParseArguments)
 
 # The NaCl SDK only runs on amd64 or i686.
-if (CMAKE_SYSTEM_NAME STREQUAL CMAKE_HOST_SYSTEM_NAME
-AND (ARCH STREQUAL "amd64" OR ARCH STREQUAL "i686"))
-	# can be loaded by daemon with vm.[sc]game.type 0 or 1
-	option(BUILD_GAME_NACL "Build the NaCl \"pexe\" and \"nexe\" gamelogic modules for enabled architecture targets, required to host mods." OFF)
-
-	set(NACL_ALL_TARGETS "amd64;i686;armhf")
-	set(BUILD_GAME_NACL_TARGETS "all" CACHE STRING "Enabled NaCl \"nexe\" architecture targets, values: ${NACL_ALL_TARGETS}, all, native, none.")
-	mark_as_advanced(BUILD_GAME_NACL_TARGETS)
-
-	if (BUILD_GAME_NACL_TARGETS STREQUAL "all")
-		set(NACL_TARGETS "${NACL_ALL_TARGETS}")
-	elseif (BUILD_GAME_NACL_TARGETS STREQUAL "native")
-		set(NACL_TARGETS "${ARCH}")
-	elseif (BUILD_GAME_NACL_TARGETS STREQUAL "none")
-		set(NACL_TARGETS "")
-	else()
-		set(NACL_TARGETS "${BUILD_GAME_NACL_TARGETS}")
-	endif()
+if (NOT FORK EQUAL 2)
+	if (CMAKE_SYSTEM_NAME STREQUAL CMAKE_HOST_SYSTEM_NAME
+	AND (ARCH STREQUAL "amd64" OR ARCH STREQUAL "i686"))
+		# can be loaded by daemon with vm.[sc]game.type 0 or 1
+		option(BUILD_GAME_NACL "Build the NaCl \"pexe\" and \"nexe\" gamelogic modules for enabled architecture targets, required to host mods." OFF)
+
+		set(NACL_ALL_TARGETS "amd64;i686;armhf")
+		set(BUILD_GAME_NACL_TARGETS "all" CACHE STRING "Enabled NaCl \"nexe\" architecture targets, values: ${NACL_ALL_TARGETS}, all, native, none.")
+		mark_as_advanced(BUILD_GAME_NACL_TARGETS)
+
+		if (BUILD_GAME_NACL_TARGETS STREQUAL "all")
+			set(NACL_TARGETS "${NACL_ALL_TARGETS}")
+		elseif (BUILD_GAME_NACL_TARGETS STREQUAL "native")
+			set(NACL_TARGETS "${ARCH}")
+		elseif (BUILD_GAME_NACL_TARGETS STREQUAL "none")
+			set(NACL_TARGETS "")
+		else()
+			set(NACL_TARGETS "${BUILD_GAME_NACL_TARGETS}")
+		endif()
+
+		foreach(NACL_TARGET ${NACL_TARGETS})
+			set(IS_NACL_VALID_TARGET OFF)
+			foreach(NACL_VALID_TARGET ${NACL_ALL_TARGETS})
+				if(NACL_TARGET STREQUAL NACL_VALID_TARGET)
+					set(IS_NACL_VALID_TARGET ON)
+				endif()
+			endforeach()
 
-	foreach(NACL_TARGET ${NACL_TARGETS})
-		set(IS_NACL_VALID_TARGET OFF)
-		foreach(NACL_VALID_TARGET ${NACL_ALL_TARGETS})
-			if(NACL_TARGET STREQUAL NACL_VALID_TARGET)
-				set(IS_NACL_VALID_TARGET ON)
+			if (NOT IS_NACL_VALID_TARGET)
+				message(FATAL_ERROR "Invalid NaCl target ${NACL_TARGET}, must be one of ${NACL_ALL_TARGETS}")
 			endif()
 		endforeach()
-
-		if (NOT IS_NACL_VALID_TARGET)
-			message(FATAL_ERROR "Invalid NaCl target ${NACL_TARGET}, must be one of ${NACL_ALL_TARGETS}")
-		endif()
-	endforeach()
-else()
-	set(BUILD_GAME_NACL OFF)
-	set(NACL_TARGETS "")
+	else()
+		set(BUILD_GAME_NACL OFF)
+		set(NACL_TARGETS "")
+	endif()
 endif()
 
 daemon_write_buildinfo("Game")