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")
# This is done here so that relative search paths are more reasonable
find_package(Irrlicht)
+if(BUILD_CLIENT AND NOT IRRLICHT_FOUND)
+ message(FATAL_ERROR "IrrlichtMt is required to build the client, but it was not found.")
+elseif(NOT IRRLICHT_INCLUDE_DIR)
+ message(FATAL_ERROR "Irrlicht or IrrlichtMt headers are required to build the server, but none found.")
+endif()
+
+include(CheckSymbolExists)
+set(CMAKE_REQUIRED_INCLUDES ${IRRLICHT_INCLUDE_DIR})
+unset(HAS_FORKED_IRRLICHT CACHE)
+check_symbol_exists(IRRLICHT_VERSION_MT "IrrCompileConfig.h" HAS_FORKED_IRRLICHT)
+if(NOT HAS_FORKED_IRRLICHT)
+ string(CONCAT EXPLANATION_MSG
+ "Irrlicht found, but it is not IrrlichtMt (Minetest's Irrlicht fork). "
+ "The Minetest team has forked Irrlicht to make their own customizations. "
+ "It can be found here: https://github.com/minetest/irrlicht")
+ if(BUILD_CLIENT)
+ message(FATAL_ERROR "${EXPLANATION_MSG}\n"
+ "Building the client with upstream Irrlicht is no longer possible.")
+ else()
+ message(WARNING "${EXPLANATION_MSG}\n"
+ "The server can still be built with upstream Irrlicht but this is DISCOURAGED.")
+ endif()
+endif()
# Installation
if(BUILD_CLIENT)
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/client/shaders" DESTINATION "${SHAREDIR}/client")
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/textures/base/pack" DESTINATION "${SHAREDIR}/textures/base")
- install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/fonts" DESTINATION "${SHAREDIR}")
if(RUN_IN_PLACE)
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/clientmods" DESTINATION "${SHAREDIR}")
install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/client/serverlist" DESTINATION "${SHAREDIR}/client")
find_package(Json REQUIRED)
find_package(Lua REQUIRED)
-# JsonCPP doesn't compile well on GCC 4.8
-if(NOT ENABLE_SYSTEM_JSONCPP)
+# JsonCpp doesn't compile well on GCC 4.8
+if(NOT USE_SYSTEM_JSONCPP)
set(GCC_MINIMUM_VERSION "4.9")
endif()
message(FATAL_ERROR "Insufficient gcc version, found ${CMAKE_CXX_COMPILER_VERSION}. "
"Version ${GCC_MINIMUM_VERSION} or higher is required.")
endif()
-elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+elseif(CMAKE_CXX_COMPILER_ID MATCHES "(Apple)?Clang")
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${CLANG_MINIMUM_VERSION}")
message(FATAL_ERROR "Insufficient clang version, found ${CMAKE_CXX_COMPILER_VERSION}. "
"Version ${CLANG_MINIMUM_VERSION} or higher is required.")