Handle changes caused by CMake minimum version bump (#10859)

fixes #10806

CMakeLists.txt

@@ -1,5 +1,7 @@
 cmake_minimum_required(VERSION 3.5)
 
+cmake_policy(SET CMP0025 OLD)
+
 # This can be read from ${PROJECT_NAME} after project() is called
 project(minetest)
 set(PROJECT_NAME_CAPITALIZED "Minetest")

src/CMakeLists.txt

@@ -532,7 +532,7 @@ set(EXECUTABLE_OUTPUT_PATH "${CMAKE_SOURCE_DIR}/bin")
 if(BUILD_CLIENT)
 	add_executable(${PROJECT_NAME} ${client_SRCS} ${extra_windows_SRCS})
 	add_dependencies(${PROJECT_NAME} GenerateVersion)
-	set(client_LIBS
+	target_link_libraries(
 		${PROJECT_NAME}
 		${ZLIB_LIBRARIES}
 		${IRRLICHT_LIBRARY}
@@ -548,9 +548,14 @@ if(BUILD_CLIENT)
 		${PLATFORM_LIBS}
 		${CLIENT_PLATFORM_LIBS}
 	)
-	target_link_libraries(
-		${client_LIBS}
-	)
+	if(NOT USE_LUAJIT)
+		set_target_properties(${PROJECT_NAME} PROPERTIES
+			# This is necessary for dynamic Lua modules
+			# to work when Lua is statically linked (issue #10806)
+			ENABLE_EXPORTS 1
+		)
+	endif()
+
 	if(ENABLE_GLES)
 		target_link_libraries(
 			${PROJECT_NAME}
@@ -621,7 +626,15 @@ if(BUILD_SERVER)
 		${PLATFORM_LIBS}
 	)
 	set_target_properties(${PROJECT_NAME}server PROPERTIES
-			COMPILE_DEFINITIONS "SERVER")
+		COMPILE_DEFINITIONS "SERVER")
+	if(NOT USE_LUAJIT)
+		set_target_properties(${PROJECT_NAME}server PROPERTIES
+			# This is necessary for dynamic Lua modules
+			# to work when Lua is statically linked (issue #10806)
+			ENABLE_EXPORTS 1
+		)
+	endif()
+
 	if (USE_GETTEXT)
 		target_link_libraries(${PROJECT_NAME}server ${GETTEXT_LIBRARY})
 	endif()
@@ -666,7 +679,7 @@ option(APPLY_LOCALE_BLACKLIST "Use a blacklist to avoid broken locales" TRUE)
 if (GETTEXTLIB_FOUND AND APPLY_LOCALE_BLACKLIST)
 	set(GETTEXT_USED_LOCALES "")
 	foreach(LOCALE ${GETTEXT_AVAILABLE_LOCALES})
-		if (NOT ";${GETTEXT_BLACKLISTED_LOCALES};" MATCHES ";${LOCALE};")
+		if (NOT "${LOCALE}" IN_LIST GETTEXT_BLACKLISTED_LOCALES)
 			list(APPEND GETTEXT_USED_LOCALES ${LOCALE})
 		endif()
 	endforeach()