diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 96 |
1 files changed, 80 insertions, 16 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 807f6a55..22692dae 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,10 +1,5 @@ cmake_minimum_required(VERSION 3.15) # minimum version required by QuaZip -if(WIN32) - # In Qt 5.1+ we have our own main() function, don't autolink to qtmain on Windows - cmake_policy(SET CMP0020 OLD) -endif() - project(Launcher) string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BUILD_DIR}" IS_IN_SOURCE_BUILD) @@ -32,11 +27,42 @@ set(CMAKE_C_STANDARD_REQUIRED true) set(CMAKE_CXX_STANDARD 17) set(CMAKE_C_STANDARD 11) include(GenerateExportHeader) -set(CMAKE_CXX_FLAGS "-Wall -pedantic -fstack-protector-strong --param=ssp-buffer-size=4 ${CMAKE_CXX_FLAGS}") +if(MSVC) + # Use /W4 as /Wall includes unnesserey warnings such as added padding to structs + # /permissive- specify standards-conforming compiler behavior, also enabled by Qt6, default on with std:c++20 + # /GS Adds buffer security checks, default on but incuded anyway to mirror gcc's fstack-protector flag + set(CMAKE_CXX_FLAGS "/W4 /permissive- /GS ${CMAKE_CXX_FLAGS}") + + # LINK accepts /SUBSYSTEM whics sets if we are a WINDOWS (gui) or a CONSOLE programs + # This implicitly selects an entrypoint specific to the subsystem selected + # qtmain/QtEntryPointLib provides the correct entrypoint (wWinMain) for gui programs + # Additinaly LINK autodetects we use a GUI so we can omit /SUBSYSTEM + # This allows tests to still use have console without using seperate linker flags + # /MANIFEST:NO disables generating a manifest file, we instead provide our own + # /STACK sets the stack reserve size, ATL's pack list needs 3-4 MiB as of November 2022, provide 8 MiB + set(CMAKE_EXE_LINKER_FLAGS "/MANIFEST:NO /STACK:8388608 ${CMAKE_EXE_LINKER_FLAGS}") + + # See https://github.com/ccache/ccache/issues/1040 + # Note, CMake 3.25 replaces this with CMAKE_MSVC_DEBUG_INFORMATION_FORMAT + # See https://cmake.org/cmake/help/v3.25/variable/CMAKE_MSVC_DEBUG_INFORMATION_FORMAT.html + foreach(config DEBUG RELWITHDEBINFO) + foreach(lang C CXX) + set(flags_var "CMAKE_${lang}_FLAGS_${config}") + string(REGEX REPLACE "/Z[Ii]" "/Z7" ${flags_var} "${${flags_var}}") + endforeach() + endforeach() + + if(CMAKE_MSVC_RUNTIME_LIBRARY STREQUAL "MultiThreadedDLL") + set(CMAKE_MAP_IMPORTED_CONFIG_DEBUG Release "") + set(CMAKE_MAP_IMPORTED_CONFIG_RELWITHDEBINFO Release "") + endif() +else() + set(CMAKE_CXX_FLAGS "-Wall -pedantic -fstack-protector-strong --param=ssp-buffer-size=4 ${CMAKE_CXX_FLAGS}") -# ATL's packlist needs more than the default 1 Mib stack on windows -if(WIN32) - set(CMAKE_EXE_LINKER_FLAGS "-Wl,--stack,8388608 ${CMAKE_EXE_LINKER_FLAGS}") + # ATL's pack list needs more than the default 1 Mib stack on windows + if(WIN32) + set(CMAKE_EXE_LINKER_FLAGS "-Wl,--stack,8388608 ${CMAKE_EXE_LINKER_FLAGS}") + endif() endif() # Fix build with Qt 5.13 @@ -53,11 +79,18 @@ if(ENABLE_LTO) include(CheckIPOSupported) check_ipo_supported(RESULT ipo_supported OUTPUT ipo_error) - if(ipo_supported AND (CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "MinSizeRel")) - message(STATUS "IPO / LTO enabled") - set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE) - elseif(ipo_supported) - message(STATUS "Not enabling IPO / LTO on debug builds") + if(ipo_supported) + set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE) + set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_MINSIZEREL TRUE) + if(CMAKE_BUILD_TYPE) + if(CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "MinSizeRel") + message(STATUS "IPO / LTO enabled") + else() + message(STATUS "Not enabling IPO / LTO on debug builds") + endif() + else() + message(STATUS "IPO / LTO will only be enabled for release builds") + endif() else() message(STATUS "IPO / LTO not supported: <${ipo_error}>") endif() @@ -65,8 +98,20 @@ endif() option(BUILD_TESTING "Build the testing tree." ON) -find_package(ECM REQUIRED NO_MODULE) -set(CMAKE_MODULE_PATH "${ECM_MODULE_PATH};${CMAKE_MODULE_PATH}") +find_package(ECM QUIET NO_MODULE) +if(NOT ECM_FOUND) + if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/libraries/extra-cmake-modules/CMakeLists.txt") + message(STATUS "Using bundled ECM") + set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/libraries/extra-cmake-modules/modules;${CMAKE_MODULE_PATH}") + else() + message(FATAL_ERROR + " Could not find ECM\n \n" + " Either install ECM using the system package manager or clone submodules\n" + " Submodules can be cloned with 'git submodule update --init --recursive'") + endif() +else() + set(CMAKE_MODULE_PATH "${ECM_MODULE_PATH};${CMAKE_MODULE_PATH}") +endif() include(CTest) include(ECMAddTests) if(BUILD_TESTING) @@ -151,6 +196,10 @@ set(Launcher_BUILD_TIMESTAMP "${TODAY}") ################################ 3rd Party Libs ################################ +if(NOT Launcher_FORCE_BUNDLED_LIBS) + find_package(ZLIB QUIET) +endif() + # Find the required Qt parts include(QtVersionlessBackport) if(Launcher_QT_VERSION_MAJOR EQUAL 5) @@ -310,6 +359,21 @@ add_subdirectory(libraries/systeminfo) # system information library add_subdirectory(libraries/hoedown) # markdown parser add_subdirectory(libraries/launcher) # java based launcher part for Minecraft add_subdirectory(libraries/javacheck) # java compatibility checker +if(NOT ZLIB_FOUND) + message(STATUS "Using bundled zlib") + set(CMAKE_POLICY_DEFAULT_CMP0069 NEW) # Suppress cmake warnings and allow INTERPROCEDURAL_OPTIMIZATION for zlib + set(SKIP_INSTALL_ALL ON) + add_subdirectory(libraries/zlib EXCLUDE_FROM_ALL) + + set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/libraries/zlib" "${CMAKE_CURRENT_BINARY_DIR}/libraries/zlib") + set_target_properties(zlibstatic PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${ZLIB_INCLUDE_DIR}") + add_library(ZLIB::ZLIB ALIAS zlibstatic) + set(ZLIB_LIBRARY ZLIB::ZLIB) + set(ZLIB_FOUND true) + find_package(ZLIB REQUIRED) +else() + message(STATUS "Using system zlib") +endif() if (FORCE_BUNDLED_QUAZIP) message(STATUS "Using bundled QuaZip") set(BUILD_SHARED_LIBS 0) # link statically to avoid conflicts. |