Fix overlays for 2D-drawn items

[minetest.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31e914c768801ebcbd86bfe7ac8f397aa140d0da..1f90847eaa3cb070de9bf58a1e69cf6c5b0eeb99 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,5 @@
 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")
@@ -61,6 +59,29 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 
 # 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
@@ -169,7 +190,6 @@ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/devtest" DESTINATION "${SHA
 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")
@@ -214,7 +234,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
                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.")