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lndpj wants to merge 5 commits into from
+167 −31
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update CMake build #1994

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a2317a1
update CMake build
lndpj Jul 13, 2026
ad74e83
update OpenMP
lndpj Jul 13, 2026
122930c
update OpenMP
lndpj Jul 13, 2026
80d638e
update OpenMP
lndpj Jul 13, 2026
ebcdfcc
update unreachable
lndpj Jul 13, 2026
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198 changes: 167 additions & 31 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -45,18 +45,27 @@ set(MSVC_INCREMENTAL_DEFAULT ON)
# Enable the creation of project folders for Visual Studio projects
set_property(GLOBAL PROPERTY USE_FOLDERS ON)

project(Daemon C CXX)
project(Daemon LANGUAGES C CXX)

set(CMAKE_C_STANDARD 23)
set(CMAKE_C_EXTENSIONS ON)
set(CMAKE_C_STANDARD_REQUIRED OFF)

set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_EXTENSIONS ON)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Default to Release builds. To use system CFLAGS only (for distro builds), set CMAKE_BUILD_TYPE to None
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif()

# On Mac, default to x86_64 unless user requests something else
if (NOT CMAKE_OSX_ARCHITECTURES)
set(CMAKE_OSX_ARCHITECTURES x86_64)
if(NOT CMAKE_GENERATOR MATCHES "^Visual Studio")
include(GNUInstallDirs)
include(FindPkgConfig)
endif()

message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
# FIXME: this reports an unused architecture if only vms are built.
# We may not be able to avoid this for now without doing a huge rewrite
# of this file.
Expand All @@ -81,12 +90,23 @@ include(DaemonNaclHost)
################################################################################
# Configuration options
################################################################################
option(USE_DEBUG_OPTIMIZE "Try to optimize the debug build" ON)
option(USE_STATIC_LIBS "Tries to use static libs where possible. Only works for Linux" OFF)

option(BUILD_TESTS "Build unit test applications" OFF)

option(USE_HARDENING "Use stack protection and other hardening flags" OFF)
option(USE_WERROR "Tell the compiler to make the build fail when warnings are present" OFF)
option(USE_PEDANTIC "Tell the compiler to be pedantic" OFF)
option(USE_PRECOMPILED_HEADER "Improve build times by using a precompiled header" OFF)
option(USE_ADDRESS_SANITIZER "Try to use the address sanitizer" OFF)
option(BE_VERBOSE "Tell the compiler to report all warnings" OFF)

if(NOT DAEMON_EXTERNAL_APP)
option(BUILD_CLIENT "Engine client executable, required to play" ON)
option(BUILD_SERVER "Engine server executable, required to host servers" ON)
option(BUILD_TTY_CLIENT "Engine client with no graphical display" ON)
option(BUILD_DUMMY_APP "Stripped-down engine executable, mostly used to ease incremental porting and debugging" OFF)
option(BUILD_DUMMY_APP "Stripped-down engine executable, mostly used to ease incremental porting and debugging" ON)
mark_as_advanced(BUILD_DUMMY_APP)

set(NACL_RUNTIME_PATH "" CACHE STRING "Directory containing the NaCl binaries")
Expand Down Expand Up @@ -115,25 +135,6 @@ if(NOT DAEMON_EXTERNAL_APP)
option(USE_BREAKPAD "Generate Daemon crash dumps (which require Breakpad tools to read)" OFF)
endif()

option(BUILD_TESTS "Build unit test applications" OFF)

option(USE_LTO "Use link-time optimization for release builds" OFF)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL GNU)
option(USE_SLIM_LTO "Generate slim LTO objects, improves build times" OFF)
endif()
option(USE_HARDENING "Use stack protection and other hardening flags" OFF)
option(USE_WERROR "Tell the compiler to make the build fail when warnings are present" OFF)
option(USE_PEDANTIC "Tell the compiler to be pedantic" OFF)
option(USE_DEBUG_OPTIMIZE "Try to optimize the debug build" ON)
option(USE_PRECOMPILED_HEADER "Improve build times by using a precompiled header" ON)
option(USE_ADDRESS_SANITIZER "Try to use the address sanitizer" OFF)
option(BE_VERBOSE "Tell the compiler to report all warnings" OFF)
option(USE_STATIC_LIBS "Tries to use static libs where possible. Only works for Linux" OFF)

if (NOT DAEMON_PARENT_SCOPE_DIR)
option(BUILD_DUMMY_GAMELOGIC "Build dummy cgame" OFF)
endif()

# Game VM modules are built with a recursive invocation of CMake, by which all the configuration
# options are lost, except ones we explicitly choose to pass.
set(DEFAULT_NACL_VM_INHERITED_OPTIONS
Expand All @@ -157,6 +158,136 @@ set(NACL_VM_INHERITED_OPTIONS "${DEFAULT_NACL_VM_INHERITED_OPTIONS}" CACHE STRIN
"Semicolon-separated list of options for which NaCl game VMs should use the same value as the other binaries")
mark_as_advanced(NACL_VM_INHERITED_OPTIONS)


if (NOT DAEMON_PARENT_SCOPE_DIR)
option(BUILD_DUMMY_GAMELOGIC "Build dummy cgame" OFF)
endif()

add_compile_definitions(_FILE_OFFSET_BITS=64)
add_compile_definitions($<$<CONFIG:Debug>:DEBUG=1> $<$<NOT:$<CONFIG:Debug>>:NDEBUG=1>)
add_compile_definitions($<$<CONFIG:Debug>:_DEBUG=1> $<$<NOT:$<CONFIG:Debug>>:_NDEBUG=1>)

if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
add_compile_options(-Wno-gnu-alignof-expression)
endif()

find_package(OpenMP)
if(OpenMP_FOUND)
include_directories(OpenMP::OpenMP_CXX)
include_directories(OpenMP::OpenMP_C)
link_libraries(OpenMP::OpenMP_CXX)
link_libraries(OpenMP::OpenMP_C)
endif()


if (CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "GNU|AppleClang")
if( NOT CMAKE_BUILD_OPTLEVEL )
set( CMAKE_BUILD_OPTLEVEL 3 CACHE STRING "Choose the optimization level." FORCE )
endif()
add_compile_options(-O${CMAKE_BUILD_OPTLEVEL})
if (NOT CMAKE_CROSSCOMPILING)
add_compile_options(-march=native)

if (${SYSTEM_PROCESSOR_UPPER} MATCHES "X64|X86_64|AMD64")
add_compile_options(-mfpmath=sse)
if (NOT CMAKE_OSX_ARCHITECTURES)
set(CMAKE_OSX_ARCHITECTURES x86_64)
endif()
endif()
if (${SYSTEM_PROCESSOR_UPPER} MATCHES "PPC|POWERPC|PPC64|PPC64LE")
if (NOT CMAKE_OSX_ARCHITECTURES)
set(CMAKE_OSX_ARCHITECTURES ${CMAKE_SYSTEM_PROCESSOR})
endif()
include(CheckCXXSourceCompiles)

set(CMAKE_REQUIRED_FLAGS "-maltivec")
check_cxx_source_compiles("#include <altivec.h> int main() { vector int v = (vector int){0}; return 0; }" HAVE_ALTIVEC)

if(HAVE_ALTIVEC)
add_compile_options(-maltivec)
endif()
endif()
endif()
add_compile_options(-ftree-vectorize)
add_compile_options(-fopenmp ${OPENMP_CXX_FLAGS})
if(NOT CMAKE_C_COMPILER_FRONTEND_VARIANT MATCHES "AppleClang")
add_compile_options(-fopenmp-simd)
endif()
add_compile_options(-fno-asynchronous-unwind-tables)
if (CMAKE_BUILD_TYPE MATCHES Debug)
add_compile_options(-g)
else()
option(USE_LTO "Use link-time optimization for release builds" ON)
option(USE_SLIM_LTO "Generate slim LTO objects, improves build times" ON)
# Use IPO/LTO if available
if(USE_LTO AND NOT ${CMAKE_VERSION} VERSION_LESS "3.9.0")
cmake_policy(SET CMP0069 NEW)
include(CheckIPOSupported)
check_ipo_supported(RESULT result)
if(result)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
message(STATUS "Using IPO/LTO.")
endif()
if(USE_SLIM_LTO)
endif()
endif()
endif()
add_compile_options(-Wall)
add_compile_options(-Wextra)
add_compile_options(-Wno-write-strings)
add_compile_options(-Wno-unused-result)
add_compile_options(-Wno-unused-variable)
add_compile_options(-Wno-unused-but-set-variable)
# add_compile_options(-Wunreachable-code) # Warn about unreachable code paths
add_compile_options(-fpermissive)
add_compile_options(-ffunction-sections) # Put each function in its own section
add_compile_options(-fdata-sections) # Put each variable in its own section
if (CMAKE_BUILD_TYPE MATCHES ReleaseStrip)
add_link_options(-Wl,--gc-sections)
add_link_options(-Wl,-s)
endif()
link_libraries(m)
if (WIN32 AND MINGW)
link_libraries(mingw32)
endif()
else (CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
if( NOT CMAKE_BUILD_OPTLEVEL )
set( CMAKE_BUILD_OPTLEVEL 2 CACHE STRING "Choose the optimization level." FORCE )
endif()
add_compile_options(/O${CMAKE_BUILD_OPTLEVEL})
add_compile_options(/openmp:experimental)
add_compile_options(/Zc:__cplusplus)
add_compile_options(/std:c++23)
add_compile_options(/Zc:preprocessor)
add_compile_options(/W4)
add_compile_options(/Z7)
# add_compile_options(/w14702) # Force C4702 (Unreachable code) to be a Level 1 Warning
add_compile_options(/wd4996)
add_compile_options(/wd4244)
add_compile_options(/wd4113)
add_compile_options(/wd4047)
add_compile_options(/wd4024)
add_compile_options(/Gy) # Function-level linking (puts each function in its own section)
add_compile_options(/Gw) # Optimize global data (puts each variable in its own section)
if (NOT CMAKE_CROSSCOMPILING)
add_compile_definitions(_CRT_SECURE_NO_WARNINGS _WIN32)
if (CMAKE_VS_PLATFORM_NAME MATCHES "x64|Win32")
add_compile_options(/Gv)
endif()
endif()
if (CMAKE_BUILD_TYPE MATCHES ReleaseStrip)
add_link_options(/DEBUG:NONE)
add_link_options(/OPT:REF) # Eliminate unreferenced functions and data
add_link_options(/VERBOSE:REF) # Print out everything the linker throws away
endif()
if (CMAKE_BUILD_TYPE MATCHES Debug)
add_compile_options(/Zi)
add_link_options(/DEBUG:FULL)
endif()
add_link_options(/INCREMENTAL:NO)
link_libraries(ws2_32 winmm)
endif()

################################################################################
# Directories
################################################################################
Expand Down Expand Up @@ -618,12 +749,12 @@ if (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP)
if (USE_CURSES)
if (USE_CURSES_NCURSES)
# Tells FindCurses that ncurses is required.
set(CURSES_NEED_NCURSES 1)

set(CURSES_NEED_NCURSES TRUE)
set(CURSES_NEED_WIDE TRUE)
add_definitions(-DUSE_CURSES -DUSE_CURSES_NCURSES)
find_package(CursesW REQUIRED)
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} ${CURSESW_LIBRARIES})
include_directories(${CURSESW_INCLUDE_DIR})
find_package(Curses REQUIRED)
include_directories(${CURSES_INCLUDE_DIR})
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} ${CURSES_LIBRARIES})
else ()
if (YOKAI_TARGET_SYSTEM_WINDOWS)
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} gdi32 comdlg32)
Expand Down Expand Up @@ -689,12 +820,17 @@ if (BUILD_CLIENT OR YOKAI_TARGET_SYSTEM_WINDOWS)
endif()

find_package(SDL3 REQUIRED CONFIG)
message("Found SDL3 ${SDL3_VERSION}: ${SDL3_DIR}")

message(STATUS "Found SDL3 ${SDL3_VERSION}: ${SDL3_DIR}")
if (YOKAI_TARGET_SYSTEM_WINDOWS)
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} SDL3::SDL3)
if(SDL3_MAIN_LIBRARY OR SDL_MAIN_LIBRARY)
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} SDL3::SDL3main)
endif()
else()
set(LIBS_CLIENT ${LIBS_CLIENT} SDL3::SDL3)
if(SDL3_MAIN_LIBRARY OR SDL_MAIN_LIBRARY)
set(LIBS_CLIENT ${LIBS_CLIENT} SDL3::SDL3main)
endif()
endif()
endif()

Expand Down
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