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CMake improvements: ccache, bundled Qt, MoltenVK, LTO, and Linux deps #2622

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CamilleLaVey merged 6 commits from DraVee/eden:cmake/externals-fixup into master 2025-09-30 02:51:49 +02:00
Conversation 4 Commits 6 Files changed 5 +20 -16
1 changed files with 20 additions and 16 deletions
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36
CMakeLists.txt
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@ -178,7 +178,11 @@ cmake_dependent_option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence" OFF
option(YUZU_TESTS "Compile tests" "${BUILD_TESTING}")
option(YUZU_USE_PRECOMPILED_HEADERS "Use precompiled headers" ${EXT_DEFAULT})
option(YUZU_USE_PRECOMPILED_HEADERS "Use precompiled headers" OFF)
if (YUZU_USE_PRECOMPILED_HEADERS)
message(STATUS "Using Precompiled Headers.")
set(CMAKE_PCH_INSTANTIATE_TEMPLATES ON)
endif()
option(YUZU_ENABLE_LTO "Enable link-time optimization" OFF)
if(YUZU_ENABLE_LTO)
include(CheckIPOSupported)
@ -189,6 +193,21 @@ if(YUZU_ENABLE_LTO)
set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ${COMPILER_SUPPORTS_LTO})
endif()
option(USE_CCACHE "Use ccache for compilation" OFF)
set(CCACHE_PATH "ccache" CACHE STRING "Path to ccache binary")
if(USE_CCACHE)
find_program(CCACHE_BINARY ${CCACHE_PATH})
if(CCACHE_BINARY)
message(STATUS "Found ccache at: ${CCACHE_BINARY}")
set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_BINARY})
set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_BINARY})
if (YUZU_USE_PRECOMPILED_HEADERS)
message(FATAL_ERROR "Precompiled headers are incompatible with ccache. Re-run CMake with -DYUZU_USE_PRECOMPILED_HEADERS=OFF.")
endif()
else()
message(WARNING "USE_CCACHE enabled, but no executable found at: ${CCACHE_PATH}")
endif()
endif()
# TODO(crueter): CI this?
option(YUZU_DOWNLOAD_ANDROID_VVL "Download validation layer binary for android" ON)
@ -251,21 +270,6 @@ if (ANDROID)
set(CMAKE_POLICY_VERSION_MINIMUM 3.5) # Workaround for Oboe
endif()
if (YUZU_USE_PRECOMPILED_HEADERS)
if (MSVC AND CCACHE)
# buildcache does not properly cache PCH files, leading to compilation errors.
# See https://github.com/mbitsnbites/buildcache/discussions/230
message(WARNING "buildcache does not properly support Precompiled Headers. Disabling PCH")
set(DYNARMIC_USE_PRECOMPILED_HEADERS OFF CACHE BOOL "" FORCE)
set(YUZU_USE_PRECOMPILED_HEADERS OFF CACHE BOOL "" FORCE)
endif()
endif()
if (YUZU_USE_PRECOMPILED_HEADERS)
message(STATUS "Using Precompiled Headers.")
set(CMAKE_PCH_INSTANTIATE_TEMPLATES ON)
endif()
# Default to a Release build
get_property(IS_MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if (NOT IS_MULTI_CONFIG AND NOT CMAKE_BUILD_TYPE)