diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 42b343540..fe508ffdb 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -68,34 +68,25 @@ if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/lib/irrlichtmt") if(NOT TARGET IrrlichtMt) message(FATAL_ERROR "IrrlichtMt project is missing a CMake target?!") endif() - - # set include dir the way it would normally be - set(IRRLICHT_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/lib/irrlichtmt/include") - set(IRRLICHT_LIBRARY IrrlichtMt) else() - 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() -endif() + find_package(IrrlichtMt QUIET) + if(NOT TARGET IrrlichtMt::IrrlichtMt) + string(CONCAT explanation_msg + "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 "IrrlichtMt is required to build the client, but it was not found.\n${explanation_msg}") + 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.") + include(MinetestFindIrrlichtHeaders) + if(NOT IRRLICHT_INCLUDE_DIR) + message(FATAL_ERROR "Irrlicht or IrrlichtMt headers are required to build the server, but none found.\n${explanation_msg}") + endif() + message(STATUS "Found Irrlicht headers: ${IRRLICHT_INCLUDE_DIR}") + add_library(IrrlichtMt::IrrlichtMt INTERFACE IMPORTED) + target_include_directories(IrrlichtMt::IrrlichtMt INTERFACE "${IRRLICHT_INCLUDE_DIR}") else() - message(WARNING "${EXPLANATION_MSG}\n" - "The server can still be built with upstream Irrlicht but this is DISCOURAGED.") + message(STATUS "Found IrrlichtMt ${IrrlichtMt_VERSION}") endif() endif() |