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CMakeLists.txt
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# Daemon BSD Source Code
# Copyright (c) 2013-2016, Daemon Developers
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the <organization> nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cmake_minimum_required (VERSION 3.12)
# Choose Python versions by location instead of getting whatever is in PYTHON_EXECUTABLE
# Can be removed once we require CMake 3.15
if (POLICY CMP0094)
cmake_policy(SET CMP0094 NEW)
endif()
if (POLICY CMP0072)
cmake_policy(SET CMP0072 NEW)
endif()
if(NOT DAEMON_DIR)
set(DAEMON_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
get_directory_property(DAEMON_PARENT_SCOPE_DIR PARENT_DIRECTORY)
if (DAEMON_PARENT_SCOPE_DIR)
# Append Daemon module path to parent project's one only when Daemon is subproject.
# See https://stackoverflow.com/questions/25199677/how-to-detect-if-current-scope-has-a-parent-in-cmake
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake PARENT_SCOPE)
endif()
include(CMakeDependentOption)
# This line has to appear before 'PROJECT' in order to be able to disable incremental linking
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)
# 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)
endif()
# 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.
# FIXME: this reports an unused compiler if only vms are built.
# We cannot avoid this for now without doing a huge rewrite of this files
# since we also set useless flags using informations provided by this.
if (NOT (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP))
message(NOTICE "You can safely ignore the following reported architecture, it is not used.")
message(NOTICE "You can safely ignore the following reported compilers, they are unused.")
endif()
if (Daemon_OUT)
set(CMAKE_CURRENT_BINARY_DIR ${Daemon_OUT})
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${Daemon_OUT})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${Daemon_OUT})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${Daemon_OUT})
endif()
include(DaemonBuildInfo)
include(DaemonPlatform)
################################################################################
# Configuration options
################################################################################
if(NOT DAEMON_EXTERNAL_APP)
option(BUILD_CLIENT "Engine client executable, required to play" ON)
option(BUILD_SERVER "Engine server executable, required to host servers" ON)
option(BUILD_TTY_CLIENT "Engine client with no graphical display" ON)
option(BUILD_DUMMY_APP "Stripped-down engine executable, mostly used to ease incremental porting and debugging" OFF)
mark_as_advanced(BUILD_DUMMY_APP)
set(NACL_RUNTIME_PATH "" CACHE STRING "Directory containing the NaCl binaries")
if (WIN32)
# The alternative code is based on non-curses unix terminal functions.
set(USE_CURSES ON)
else()
if (NOT APPLE)
# Not supported on macOS because the included version is too old.
option(USE_CURSES_NCURSES "Use ncurses instead of PDCursesMod" ON)
endif()
option(USE_CURSES "Enable fancy colors in terminal's output" ON)
endif()
if (BUILD_CLIENT OR BUILD_TTY_CLIENT)
option(USE_MUMBLE "Build Daemon with mumblelink sumpport" ON)
endif()
cmake_dependent_option(USE_SMP "Compile with support for running the renderer in a separate thread" 1 BUILD_CLIENT 0)
option(USE_BREAKPAD "Generate Daemon crash dumps (which require Breakpad tools to read)" OFF)
endif()
option(BUILD_TESTS "Build unit test applications" OFF)
option(USE_LTO "Use link-time optimization for release builds" OFF)
cmake_dependent_option(USE_SLIM_LTO "Generate slim LTO objects, improves build times" 1 "USE_LTO AND \"${CMAKE_CXX_COMPILER_ID}\" STREQUAL GNU" 0)
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)
if (CMAKE_GENERATOR MATCHES "^Ninja")
# It isn't currently supported with Ninja yet:
#
# > Note that the IMPLICIT_DEPENDS option is currently supported only for
# > Makefile generators and will be ignored by other generators. Note that
# > the IMPLICIT_DEPENDS option is currently supported only for Makefile
# > generators and will be ignored by other generators.
# > -- https://cmake.org/cmake/help/latest/command/add_custom_command.html
#
# It would be better to be able to know if IMPLICIT_DEPENDS is supported
# by the current generator instead of comparing generator name.
option(USE_PRECOMPILED_HEADER "Improve build times by using a precompiled header" OFF)
else()
option(USE_PRECOMPILED_HEADER "Improve build times by using a precompiled header" ON)
endif()
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
BE_VERBOSE
BUILD_CGAME
BUILD_SGAME
CMAKE_BUILD_TYPE
DAEMON_CBSE_PYTHON_PATH
USE_ARCH_INTRINSICS
USE_COMPILER_CUSTOMIZATION
USE_COMPILER_INTRINSICS
USE_DEBUG_OPTIMIZE
USE_HARDENING
USE_PEDANTIC
USE_PRECOMPILED_HEADER
USE_RECOMMENDED_C_STANDARD
USE_RECOMMENDED_CXX_STANDARD
USE_WERROR
)
set(NACL_VM_INHERITED_OPTIONS "${DEFAULT_NACL_VM_INHERITED_OPTIONS}" CACHE STRING
"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)
################################################################################
# Directories
################################################################################
set(MOUNT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
if (DAEMON_PARENT_SCOPE_DIR)
set(MOUNT_DIR ${MOUNT_DIR} PARENT_SCOPE)
endif()
include_directories(${MOUNT_DIR})
set(OBJ_DIR ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY})
if (DAEMON_PARENT_SCOPE_DIR)
set(OBJ_DIR ${OBJ_DIR} PARENT_SCOPE)
endif()
set(ENGINE_DIR ${MOUNT_DIR}/engine)
if (DAEMON_PARENT_SCOPE_DIR)
set(ENGINE_DIR ${ENGINE_DIR} PARENT_SCOPE)
endif()
set(COMMON_DIR ${MOUNT_DIR}/common)
if (DAEMON_PARENT_SCOPE_DIR)
set(COMMON_DIR ${COMMON_DIR} PARENT_SCOPE)
endif()
set(LIB_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libs)
if (DAEMON_PARENT_SCOPE_DIR)
set(LIB_DIR ${LIB_DIR} PARENT_SCOPE)
endif()
include_directories(${LIB_DIR})
if (CMAKE_CFG_INTDIR STREQUAL ".")
set(FULL_OUTPUT_DIR ${CMAKE_BINARY_DIR})
else()
set(FULL_OUTPUT_DIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR})
endif()
# Dependencies version, this must match the number in external_deps/build.sh
set(DEPS_VERSION 10)
option(USE_EXTERNAL_DEPS "Download or reuse dependencies from EXTERNAL_DEPS_DIR (mandatory for building and running NaCl .nexe binaries)." ON)
if (USE_EXTERNAL_DEPS AND NOT NACL)
set(EXTERNAL_DEPS_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external_deps" CACHE STRING "Directory in which to store the downloaded dependencies.")
set(DEPS_EXT ".tar.xz")
if (WIN32)
set(DEPS_SYSTEM windows)
set(SUPPORTED_${DEPS_SYSTEM}_ARCH amd64 i686)
elseif (APPLE)
set(DEPS_SYSTEM macos)
set(SUPPORTED_${DEPS_SYSTEM}_ARCH amd64)
elseif (LINUX OR FREEBSD)
set(DEPS_SYSTEM linux)
set(SUPPORTED_${DEPS_SYSTEM}_ARCH amd64 i686 arm64 armhf)
endif()
if (MSVC)
set(DEPS_COMPILER msvc)
elseif (WIN32)
set(DEPS_COMPILER mingw)
else()
set(DEPS_COMPILER default)
endif()
if (DEPS_SYSTEM AND ARCH IN_LIST SUPPORTED_${DEPS_SYSTEM}_ARCH)
set(DEPS_DIR ${EXTERNAL_DEPS_DIR}/${DEPS_SYSTEM}-${ARCH}-${DEPS_COMPILER}_${DEPS_VERSION})
if (DAEMON_PARENT_SCOPE_DIR)
set(DEPS_DIR ${DEPS_DIR} PARENT_SCOPE)
endif()
else()
message(WARNING "No dependencies are provided for this system, Native Client is likely unsupported.")
endif()
endif()
################################################################################
# Compile and link flags
################################################################################
# FIXME: This sets unused flags for an unused compiler if only nacl vms
# are built and we are not yet running the chainloaded build. We cannot
# avoid this for now or we would have to do a large rewrite of that file.
# FIXME: This defines the try_flag function that is used in
# Unvanquished CMakeLists.txt even if the engine is not built,
# meaning we have to detect useless engine compiler to set
# useless engine flags when only building vms.
include(DaemonFlags)
# FIXME: Once engine flags would be only set when building the engine
# this would be likely unused by vms as they are built by DaemonGame.
# Warning options (for Daemon only)
# Note the different scopes used for warning options:
# * set_c_cxx_flag(xxx) or try_c_cxx_flag(xxx) sets it for all code including dependencies
# * try_flag(WARNINGS xxx) in DaemonFlags.cmake sets it for Daemon and Unvanquished but not deps
# * try_flag(WARNINGS xxx) below sets it for Daemon only
try_flag(WARNINGS "-Wshadow=local")
try_flag(WARNINGS "-Wno-pragmas")
try_flag(WARNINGS "-Wno-unknown-pragmas")
try_flag(WARNINGS "-W${WARNMODE}old-style-cast")
try_flag(WARNINGS "-Woverloaded-virtual")
try_flag(WARNINGS "-Wstrict-null-sentinel")
try_flag(WARNINGS "-W${WARNMODE}sign-compare")
# MSVC /wd = warning disable
try_flag(WARNINGS "/wd4127") # conditional expression is constant
try_flag(WARNINGS "/wd4324") # 'XXX': structure was padded due to alignment specifier
try_flag(WARNINGS "/wd4458") # declaration of 'XXX' hides class member
try_flag(WARNINGS "/wd4459") # declaration of 'XXX' hides global declaration
try_flag(WARNINGS "/wd4701") # potentially uninitialized local variable 'XXX' used
try_flag(WARNINGS "/wd26495") # Variable 'XXX' is uninitialized. Always initialize a member variable.
################################################################################
# Group the sources by folder to have folder show in Visual Studio
################################################################################
macro(group_dir_sources dir)
file(GLOB_RECURSE files ${dir}/*)
string(LENGTH ${dir}/ dir_length)
foreach(file ${files})
if (NOT IS_DIRECTORY ${dir}/${file})
get_filename_component(group_name ${file} DIRECTORY)
string(SUBSTRING ${group_name} ${dir_length} -1 group_name)
string(REPLACE "/" "\\" group_name ${group_name})
source_group(${group_name} FILES ${file})
endif()
endforeach()
endmacro()
if (MSVC)
group_dir_sources(${MOUNT_DIR})
endif()
################################################################################
# Support for precompiled headers
################################################################################
# MSVC requires that an extra file be added to a project
if (USE_PRECOMPILED_HEADER AND MSVC)
file(WRITE ${OBJ_DIR}/PrecompiledHeader.cpp "")
set(PCH_FILE ${OBJ_DIR}/PrecompiledHeader.cpp)
if (DAEMON_PARENT_SCOPE_DIR)
set(PCH_FILE ${PCH_FILE} PARENT_SCOPE)
endif()
endif()
function(ADD_PRECOMPILED_HEADER Target)
if (NOT USE_PRECOMPILED_HEADER OR CMAKE_VERSION VERSION_LESS 2.8.10)
return()
endif()
# Get the common compile flags
set(Flags ${CMAKE_CXX_FLAGS} ${WARNINGS})
get_target_property(Type ${Target} TYPE)
if (Type STREQUAL MODULE_LIBRARY)
set(Flags ${Flags} ${CMAKE_SHARED_MODULE_CXX_FLAGS})
endif()
separate_arguments(Flags)
# Get the per-configuration compile flags
foreach(Config DEBUG RELEASE RELWITHDEBINFO MINSIZEREL)
set(ConfigFlags ${CMAKE_CXX_FLAGS_${Config}})
separate_arguments(ConfigFlags)
foreach(Flag ${ConfigFlags})
set(Flags ${Flags} $<${${Config}_GENEXP_COND}:${Flag}>)
endforeach()
endforeach()
# Get preprocessor options for the target and directory (global)
get_directory_property(DirCompileDefs COMPILE_DEFINITIONS)
get_directory_property(DirIncludeDirs INCLUDE_DIRECTORIES)
get_target_property(TargetCompileDefs ${Target} COMPILE_DEFINITIONS)
get_target_property(TargetIncludeDirs ${Target} INCLUDE_DIRECTORIES)
set(Defs)
foreach(Def ${TargetCompileDefs})
set(Defs ${Defs} -D${Def})
endforeach()
foreach(Def ${DirCompileDefs})
set(Defs ${Defs} -D${Def})
endforeach()
foreach(Def ${DirIncludeDirs})
set(Defs ${Defs} -I${Def})
endforeach()
foreach(Def ${TargetIncludeDirs})
set(Defs ${Defs} -I${Def})
endforeach()
# Specify minimum OSX version
if (APPLE AND CMAKE_OSX_DEPLOYMENT_TARGET)
set(Flags ${Flags} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET})
endif()
set(Header ${COMMON_DIR}/Common.h)
# Compiler-specific PCH support
if ((DAEMON_CXX_COMPILER_GCC_COMPATIBILITY OR DAEMON_CXX_COMPILER_Clang_COMPATIBILITY)
AND NOT DAEMON_CXX_COMPILER_ICC)
# CMAKE_CXX_COMPILER_ARG1 is used with compilers using subcommands.
# For example when doing: cmake -D'CMAKE_CXX_COMPILER'='zig;c++'
# CMAKE_CXX_COMPILER will be "zig",
# CMAKE_CXX_COMPILER_ARG1 will be "c++".
add_custom_command(OUTPUT "${OBJ_DIR}/${Target}.h.gch"
COMMAND ${PNACLPYTHON_PREFIX2} ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}
${Defs} ${Flags} -x c++-header ${Header} -o "${OBJ_DIR}/${Target}.h.gch"
DEPENDS ${Header}
IMPLICIT_DEPENDS CXX ${Header}
)
add_custom_target(${Target}-pch DEPENDS "${OBJ_DIR}/${Target}.h.gch")
add_dependencies(${Target} ${Target}-pch)
# PNaCl clang doesn't support -include-pch properly
if (DAEMON_CXX_COMPILER_Clang_COMPATIBILITY
AND NOT DAEMON_CXX_COMPILER_PNaCl)
set_property(TARGET ${Target} APPEND PROPERTY COMPILE_OPTIONS "-include-pch;${OBJ_DIR}/${Target}.h.gch")
else()
set_property(TARGET ${Target} APPEND PROPERTY COMPILE_OPTIONS "-include;${OBJ_DIR}/${Target}.h;-Winvalid-pch")
endif()
elseif (MSVC)
# /Fp sets the PCH path used by either of the /Yc and /Yu options.
# /Yc overrides /Yu.
set_source_files_properties(${PCH_FILE} PROPERTIES COMPILE_FLAGS "/Yc${Header}")
target_compile_options(${Target} PRIVATE "/Yu${Header}" "/Fp${OBJ_DIR}/${Target}_$<CONFIG>.pch" "/FI${Header}")
endif()
endfunction()
################################################################################
# File lists
################################################################################
include(srclibs.cmake)
include(src.cmake)
# tinyformat is a header-only library
set(COMMONLIST ${COMMONLIST} ${TINYFORMATLIST})
################################################################################
# Libraries
################################################################################
# Import external dependencies
if (DEPS_DIR)
# Warn on old version of deps
get_cmake_property(cacheVariableNames CACHE_VARIABLES)
foreach(cacheVariableName ${cacheVariableNames})
set(OLD_VERSION "NOTFOUND")
set(cacheVariableValue "${${cacheVariableName}}")
if (cacheVariableValue MATCHES "/(linux64|macosx64|mingw32|mingw64|msvc32|msvc64)-([0-9]+)/")
if (NOT ${CMAKE_MATCH_2} EQUAL ${DEPS_VERSION})
set(OLD_VERSION ${CMAKE_MATCH_2})
endif()
endif()
if (cacheVariableValue MATCHES "/(linux|windows|macos)-(i686|amd64)-(default|mingw|msvc)_([0-9]+)/")
if (NOT ${CMAKE_MATCH_4} EQUAL ${DEPS_VERSION})
set(OLD_VERSION ${CMAKE_MATCH_4})
endif()
endif()
if(OLD_VERSION)
message(WARNING "You seem to be using a dependency from version ${OLD_VERSION}"
" of the external_deps package, but the latest version is"
" ${DEPS_VERSION}. Please delete the build directory (${CMAKE_BINARY_DIR})"
" and reconfigure to upgrade to the latest dependencies. (Based on"
" ${cacheVariableName}=${cacheVariableValue})")
break()
endif()
endforeach()
# Download them if they not available
if (NOT EXISTS ${DEPS_DIR})
file(MAKE_DIRECTORY ${EXTERNAL_DEPS_DIR})
get_filename_component(BASENAME ${DEPS_DIR} NAME)
set(REMOTE "https://dl.unvanquished.net/deps/${BASENAME}${DEPS_EXT}")
message(STATUS "Downloading dependencies from '${REMOTE}'")
file(DOWNLOAD ${REMOTE} ${OBJ_DIR}/${BASENAME}${DEPS_EXT}
SHOW_PROGRESS
STATUS DOWNLOAD_RESULT
LOG DOWNLOAD_LOG
)
list(GET DOWNLOAD_RESULT 0 DOWNLOAD_STATUS)
list(GET DOWNLOAD_RESULT 1 DOWNLOAD_STRING)
if (NOT DOWNLOAD_STATUS EQUAL 0)
message(FATAL_ERROR "Error downloading '${REMOTE}':
Status code: ${DOWNLOAD_STATUS}
Error string: ${DOWNLOAD_STRING}
Download log: ${DOWNLOAD_LOG}"
)
endif()
message(STATUS "Download completed successfully")
# Extract the downloaded archive
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar xJf ${OBJ_DIR}/${BASENAME}${DEPS_EXT}
WORKING_DIRECTORY ${EXTERNAL_DEPS_DIR}
RESULT_VARIABLE EXTRACT_RESULT
)
if (NOT EXTRACT_RESULT EQUAL 0)
message(FATAL_ERROR "Could not extract ${BASENAME}${DEPS_EXT}")
endif()
endif()
# Add to paths
set(CMAKE_FIND_ROOT_PATH ${DEPS_DIR} ${CMAKE_FIND_ROOT_PATH})
set(CMAKE_INCLUDE_PATH ${DEPS_DIR} ${DEPS_DIR}/include ${CMAKE_INCLUDE_PATH})
set(CMAKE_FRAMEWORK_PATH ${DEPS_DIR} ${CMAKE_FRAMEWORK_PATH})
set(CMAKE_PREFIX_PATH ${DEPS_DIR} ${CMAKE_PREFIX_PATH})
if (DAEMON_PARENT_SCOPE_DIR)
# Also set parent scope so the top level CMakeLists can find precompiled deps
set(CMAKE_FIND_ROOT_PATH ${DEPS_DIR} ${CMAKE_FIND_ROOT_PATH} PARENT_SCOPE)
set(CMAKE_INCLUDE_PATH ${DEPS_DIR} ${DEPS_DIR}/include ${CMAKE_INCLUDE_PATH} PARENT_SCOPE)
set(CMAKE_FRAMEWORK_PATH ${DEPS_DIR} ${CMAKE_FRAMEWORK_PATH} PARENT_SCOPE)
set(CMAKE_PREFIX_PATH ${DEPS_DIR} ${CMAKE_PREFIX_PATH} PARENT_SCOPE)
endif()
endif()
# These variables are defined:
# LIBS_BASE, LIBS_ENGINE_BASE LIBS_ENGINE, LIBS_BASECLIENT, LIBS_CLIENT
# Native client
include(DaemonNacl)
if (NACL)
add_library(srclibs-nacl-module EXCLUDE_FROM_ALL ${NACLLIST_MODULE})
set_target_properties(srclibs-nacl-module PROPERTIES POSITION_INDEPENDENT_CODE ${GAME_PIE} FOLDER "libs")
set(LIBS_BASE ${LIBS_BASE} srclibs-nacl-module)
else()
add_library(srclibs-nacl-native EXCLUDE_FROM_ALL ${NACLLIST_NATIVE})
set_target_properties(srclibs-nacl-native PROPERTIES POSITION_INDEPENDENT_CODE 1 FOLDER "libs")
if (APPLE)
# Do not error for OSAtomic* deprecation notices
target_compile_options(srclibs-nacl-native PRIVATE "-Wno-error=deprecated-declarations")
endif()
set(LIBS_BASE ${LIBS_BASE} srclibs-nacl-native)
endif()
# Base OS libs
if (WIN32)
set(LIBS_BASE ${LIBS_BASE} winmm ws2_32)
elseif (NACL)
if (NOT USE_NACL_SAIGO)
find_library(NACL_EXCEPTION nacl_exception)
find_library(NACL_MINIDUMP minidump_generator)
set(LIBS_BASE ${LIBS_BASE} ${NACL_MINIDUMP} ${NACL_EXCEPTION})
endif()
else()
find_library(LIBM m)
if (LIBM)
set(LIBS_BASE ${LIBS_BASE} ${LIBM})
endif()
find_library(LIBRT rt)
if (LIBRT)
set(LIBS_BASE ${LIBS_BASE} ${LIBRT})
endif()
find_library(LIBICONV iconv)
if (LIBICONV)
set(LIBS_ENGINE ${LIBS_ENGINE} ${LIBICONV})
endif()
mark_as_advanced(LIBM LIBRT LIBICONV)
set(LIBS_BASE ${LIBS_BASE} ${CMAKE_DL_LIBS})
find_package(Threads REQUIRED)
set(LIBS_BASE ${LIBS_BASE} ${CMAKE_THREAD_LIBS_INIT})
if (APPLE)
set(LIBS_CLIENT ${LIBS_CLIENT} "-framework Carbon" "-framework IOKit" "-framework Cocoa")
endif()
endif()
# Minizip
if (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP)
add_library(srclibs-minizip EXCLUDE_FROM_ALL ${MINIZIPLIST})
set_target_properties(srclibs-minizip PROPERTIES POSITION_INDEPENDENT_CODE 1 FOLDER "libs")
set(LIBS_BASE ${LIBS_BASE} srclibs-minizip)
if (MSVC)
target_compile_options(srclibs-minizip PRIVATE "/wd4100") # disable "unreferenced formal parameter"
endif()
endif()
# Look for OpenGL here before we potentially switch to looking for static libs.
if (BUILD_CLIENT)
if (LINUX OR FREEBSD)
# Set LEGACY OpenGL ABI if the variable is not explictly set.
# The backward-incompatible GLVND OpenGL ABI should only be used
# by developers who have a good reason to require it.
# See: https://github.com/DaemonEngine/Daemon/issues/945#issuecomment-1835091256
set(OpenGL_GL_PREFERENCE "LEGACY" CACHE STRING "Linux OpenGL ABI (LEGACY or GLVND).")
endif()
find_package(OpenGL REQUIRED)
include_directories(${OPENGL_INCLUDE_DIR})
set(LIBS_CLIENT ${LIBS_CLIENT} OpenGL::GL)
# When OpenGL_GL_PREFERENCE is set but neither GLVND nor LEGACY are available,
# This code is unreachable since it already errored out at find_package time.
# This code only executes if OpenGL is supported, either because the GLVND ABI
# is available, either because the LEGACY ABI is available.
if (LINUX OR FREEBSD)
if (NOT OPENGL_gl_LIBRARY)
# When OpenGL_GL_PREFERENCE is supported and GLVND is available
# OPENGL_gl_LIBRARY is expected to be empty. So we can use the
# emptyness of OPENGL_gl_LIBRARY to detect that CMake supports
# OpenGL_GL_PREFERENCE and GLVND is used:
# > If the GLVND OpenGL and GLX libraries are available, prefer them.
# > This forces OPENGL_gl_LIBRARY to be empty.
# -- https://cmake.org/cmake/help/latest/module/FindOpenGL.html
set(OpenGL_selected_ABI "GLVND")
set(OpenGL_selected_LIBRARY "${OPENGL_opengl_LIBRARY}")
else()
# When OpenGL_GL_PREFERENCE is not supported or GLVND is not available
# the OPENGL_gl_LIBRARY is always set, so if it is set, it means the ABI
# is the LEGACY one.
set(OpenGL_selected_ABI "LEGACY")
set(OpenGL_selected_LIBRARY "${OPENGL_gl_LIBRARY}")
endif()
if (OpenGL_selected_ABI STREQUAL "GLVND")
message(WARNING "The GLVND OpenGL ABI is backward incompatible with legacy drivers.\nSee https://github.com/DaemonEngine/Daemon/issues/945")
endif()
if (OpenGL_GL_PREFERENCE STREQUAL "GLVND")
if (NOT OPENGL_opengl_LIBRARY)
message(WARNING "GLVND OpenGL ABI not available but LEGACY is.\nTry OpenGL_GL_PREFERENCE=LEGACY")
message(FATAL_ERROR "Could NOT find GLVND libOpenGL.so")
endif()
else()
if (NOT OPENGL_gl_LIBRARY)
message(WARNING "LEGACY OpenGL ABI not available but GLVND is.\nTry OpenGL_GL_PREFERENCE=GLVND")
message(FATAL_ERROR "Could NOT find LEGACY libGL.so")
endif()
endif()
message(STATUS "Found OpenGL ABI: ${OpenGL_selected_ABI}")
message(STATUS "Found OpenGL library: ${OpenGL_selected_LIBRARY}")
daemon_add_buildinfo("char*" "DAEMON_OPENGL_ABI_STRING" "\"${OpenGL_selected_ABI}\"")
add_definitions("-DDAEMON_OPENGL_ABI_${OpenGL_selected_ABI}")
add_definitions("-DDAEMON_OPENGL_ABI")
endif()
endif()
# Prefer static libs
if ( USE_STATIC_LIBS )
if (LINUX OR FREEBSD)
set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
endif()
# zlib
if (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP)
find_package(ZLIB REQUIRED)
set(LIBS_BASE ${LIBS_BASE} ${ZLIB_LIBRARIES})
include_directories(${ZLIB_INCLUDE_DIRS})
endif()
if (DAEMON_PARENT_SCOPE_DIR)
set(LIBS_BASE ${LIBS_BASE} PARENT_SCOPE)
endif()
# Curses, pdcurses on Windows and ncursesw on Unix
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)
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})
else ()
if (WIN32)
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} gdi32 comdlg32)
endif()
add_definitions(-DPDC_WIDE -DPDC_FORCE_UTF8 -DPDC_RGB -DUSE_CURSES)
add_library(srclibs-pdcurses EXCLUDE_FROM_ALL ${PDCURSESLIST})
set_target_properties(srclibs-pdcurses PROPERTIES POSITION_INDEPENDENT_CODE 1 FOLDER "libs")
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} srclibs-pdcurses)
include_directories(${LIB_DIR}/pdcursesmod)
endif()
endif()
endif()
if (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP)
if (NACL_RUNTIME_PATH)
daemon_add_buildinfo("char*" "DAEMON_NACL_RUNTIME_PATH_STRING" "\"${NACL_RUNTIME_PATH}\"")
add_definitions("-DDAEMON_NACL_RUNTIME_PATH")
endif()
# FindLocale
add_library(srclibs-findlocale EXCLUDE_FROM_ALL ${FINDLOCALELIST})
set_target_properties(srclibs-findlocale PROPERTIES POSITION_INDEPENDENT_CODE 1 FOLDER "libs")
set(LIBS_ENGINE ${LIBS_ENGINE} srclibs-findlocale)
# Nettle
find_package(Nettle REQUIRED)
include_directories(${NETTLE_INCLUDE_DIR})
set(LIBS_ENGINE ${LIBS_ENGINE} ${NETTLE_LIBRARIES})
# GMP
find_package(GMP REQUIRED)
include_directories(${GMP_INCLUDE_DIR})
set(LIBS_ENGINE ${LIBS_ENGINE} ${GMP_LIBRARIES})
endif()
if (BUILD_CLIENT OR BUILD_TTY_CLIENT)
# CURL
find_package(CURL REQUIRED)
include_directories(${CURL_INCLUDE_DIRS})
set(LIBS_CLIENTBASE ${LIBS_CLIENTBASE} ${CURL_LIBRARIES})
if (USE_MUMBLE)
# Mumble link
add_library(srclibs-mumblelink EXCLUDE_FROM_ALL ${MUMBLELINKLIST})
set_target_properties(srclibs-mumblelink PROPERTIES POSITION_INDEPENDENT_CODE 1 FOLDER "libs")
set(LIBS_CLIENTBASE ${LIBS_CLIENTBASE} srclibs-mumblelink)
endif()
endif()
# SDL, required for all targets on win32 because of iconv and SDL_SetHint(SDL_TIMER_RESOLUTION, 0)
if (BUILD_CLIENT OR WIN32)
find_package(SDL2 CONFIG)
if (SDL2_SDL2main_FOUND)
mark_as_advanced(SDL2_DIR)
else()
# We cannot use REQUIRED because it would look
# for OldSDL2_FOUND instead of SDL2_FOUND.
find_package(OldSDL2)
if (NOT SDL2_FOUND)
message(FATAL_ERROR "Could NOT find SDL2")
endif()
include_directories(${SDL2_INCLUDE_DIR})
mark_as_advanced(SDL2MAIN_LIBRARY SDL2_LIBRARY SDL2_INCLUDE_DIR)
endif ()
if (WIN32)
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE}
$<$<TARGET_EXISTS:SDL2::SDL2main>:SDL2::SDL2main> SDL2::SDL2)
else()
set(LIBS_CLIENT ${LIBS_CLIENT}
$<$<TARGET_EXISTS:SDL2::SDL2main>:SDL2::SDL2main> SDL2::SDL2)
endif()
endif()
# Breakpad
if (USE_BREAKPAD)
add_definitions(-DUSE_BREAKPAD)
include_directories(${LIB_DIR}/breakpad/src)
if (WIN32)
add_library(srclibs-breakpad-common EXCLUDE_FROM_ALL ${BREAKPAD_COMMON_LIST})
add_library(srclibs-breakpad-crash_generation_server EXCLUDE_FROM_ALL ${BREAKPAD_CRASHGENERATIONSERVER_LIST})
add_library(srclibs-breakpad-exception_handler EXCLUDE_FROM_ALL ${BREAKPAD_EXCEPTIONHANDLER_LIST})
add_library(srclibs-breakpad-crash_generation_client EXCLUDE_FROM_ALL ${BREAKPAD_CRASHGENERATIONCLIENT_LIST})
set(BREAKPAD_LIBRARIES
srclibs-breakpad-common
srclibs-breakpad-crash_generation_server
srclibs-breakpad-exception_handler
srclibs-breakpad-crash_generation_client
)
foreach(breaklib ${BREAKPAD_LIBRARIES})
set_target_properties(${breaklib} PROPERTIES POSITION_INDEPENDENT_CODE 1 FOLDER "libs")
# Breakpad library assumes wide char versions of Windows API functions
target_compile_definitions(${breaklib} PRIVATE UNICODE)
target_compile_definitions(${breaklib} PRIVATE $<$<CONFIG:Debug>:_DEBUG>)
endforeach(breaklib)
# WIN32 option prevents a console from being created for the process
add_executable(crash_server WIN32 src/engine/crash_server/crash_server_windows.cpp)
target_link_libraries(crash_server
srclibs-breakpad-crash_generation_server srclibs-breakpad-common)
target_compile_definitions(crash_server PRIVATE UNICODE)
set(LIBS_ENGINE_BASE ${LIBS_ENGINE_BASE} srclibs-breakpad-exception_handler
srclibs-breakpad-crash_generation_client srclibs-breakpad-common)
elseif (LINUX)
add_library(srclibs-breakpad EXCLUDE_FROM_ALL ${BREAKPAD_LIST})
set_target_properties(srclibs-breakpad PROPERTIES POSITION_INDEPENDENT_CODE 1 FOLDER "libs")
set(LIBS_ENGINE ${LIBS_ENGINE} srclibs-breakpad)
add_executable(crash_server src/engine/crash_server/crash_server_linux.cpp)
target_link_libraries(crash_server srclibs-breakpad)
endif()
endif()
option(PREFER_EXTERNAL_LIBS "Tries to use system libs where possible." ON)
macro(prefer_package LIB_NAME LIB_CMAKE)
if (PREFER_EXTERNAL_LIBS AND NOT NACL)
find_package(${LIB_NAME})
if (NOT ${LIB_NAME}_FOUND)
message(WARNING "PREFER_EXTERNAL_LIBS is enabled but external ${LIB_NAME} is not found, falling back to vendored ${LIB_NAME}.")
endif()
endif()
if (NOT ${LIB_NAME}_FOUND)
include(${LIB_CMAKE})
endif()
endmacro()
if (BUILD_CLIENT)
find_package(Ogg REQUIRED)
include_directories(${OGG_INCLUDE_DIRS})
set(LIBS_CLIENT ${LIBS_CLIENT} ${OGG_LIBRARIES})
find_package(Vorbis REQUIRED)
include_directories(${VORBIS_INCLUDE_DIRS})
set(LIBS_CLIENT ${LIBS_CLIENT} ${VORBIS_LIBRARIES})
find_package(Opus REQUIRED)
include_directories(${OPUS_INCLUDE_DIRS})
set(LIBS_CLIENT ${LIBS_CLIENT} ${OPUS_LIBRARIES})
find_package(WebP REQUIRED)
include_directories(${WEBP_INCLUDE_DIRS})
set(LIBS_CLIENT ${LIBS_CLIENT} ${WEBP_LIBRARIES})
find_package(JPEG REQUIRED)
include_directories(${JPEG_INCLUDE_DIR})
set(LIBS_CLIENT ${LIBS_CLIENT} ${JPEG_LIBRARIES})
find_package(PNG REQUIRED)
include_directories(${PNG_INCLUDE_DIRS})
set(LIBS_CLIENT ${LIBS_CLIENT} ${PNG_LIBRARIES})
prefer_package(Freetype ${DAEMON_DIR}/freetype.cmake)
include_directories(${FREETYPE_INCLUDE_DIRS})
set(LIBS_CLIENT ${LIBS_CLIENT} ${FREETYPE_LIBRARIES})
find_package(GLEW REQUIRED)
include_directories(${GLEW_INCLUDE_DIR})
set(LIBS_CLIENT ${LIBS_CLIENT} ${GLEW_LIBRARIES})
set(backup_find_framework ${CMAKE_FIND_FRAMEWORK})
set(CMAKE_FIND_FRAMEWORK NEVER) # Mac's system OpenAL doesn't have efx.h
find_package(OpenAL REQUIRED)
set(CMAKE_FIND_FRAMEWORK ${backup_find_framework})
include_directories(${OPENAL_INCLUDE_DIR})
set(LIBS_CLIENT ${LIBS_CLIENT} ${OPENAL_LIBRARY})
endif()
if (BUILD_TESTS)
set(BUILD_GMOCK ON)
set(INSTALL_GTEST OFF)
set(gtest_force_shared_crt ON)
add_subdirectory(${LIB_DIR}/googletest EXCLUDE_FROM_ALL)
unset(BUILD_GMOCK CACHE)
unset(INSTALL_GTEST CACHE)
set_target_properties(gmock PROPERTIES FOLDER "libs")
endif()
################################################################################
# Engine
################################################################################
macro(AddApplicationInternal Target Executable)
add_executable(${Target} ${Sources})
target_link_libraries(${Target} ${A_Target}-objects)
if (DEPS_DIR)
add_dependencies(${Target} runtime_deps)
endif()
set_property(TARGET ${Target} APPEND PROPERTY COMPILE_OPTIONS ${A_Flags})
set_property(TARGET ${Target} APPEND PROPERTY INCLUDE_DIRECTORIES ${ENGINE_DIR} ${MOUNT_DIR} ${LIB_DIR})
set_property(TARGET ${Target} APPEND PROPERTY COMPILE_DEFINITIONS ${A_Definitions})
set_target_properties(${Target} PROPERTIES OUTPUT_NAME "${Executable}" PREFIX "" FOLDER "engine")
# Append Windows specific manifests.
# Adding the .manifest as a source works better for MSVC, but it has no
# effect for MinGW (https://gitlab.kitware.com/cmake/cmake/-/issues/23244).
if (MINGW)
target_sources(${Target} PRIVATE ${ENGINE_DIR}/sys/windows-resource/manifest.rc)
elseif (WIN32)
target_sources(${Target} PRIVATE ${ENGINE_DIR}/sys/windows-resource/supported-os.manifest)
endif()
message(STATUS ${Target})
endmacro()
function(AddApplication)
set(oneValueArgs Target ExecutableName)
set(multiValueArgs ApplicationMain Definitions Flags Files Libs Tests)
cmake_parse_arguments(A "" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
# Reuse object files between the real application and the test one
add_library(${A_Target}-objects OBJECT EXCLUDE_FROM_ALL ${A_Files} ${PCH_FILE})
target_link_libraries(${A_Target}-objects engine-lib ${A_Libs} ${LIBS_BASE})
set_property(TARGET ${A_Target}-objects APPEND PROPERTY COMPILE_OPTIONS ${A_Flags})
set_property(TARGET ${A_Target}-objects APPEND PROPERTY INCLUDE_DIRECTORIES ${ENGINE_DIR} ${MOUNT_DIR} ${LIB_DIR})
set_property(TARGET ${A_Target}-objects APPEND PROPERTY COMPILE_DEFINITIONS ${A_Definitions})
set_target_properties(${A_Target}-objects PROPERTIES FOLDER "engine/objects")
set(Sources WIN32 ${A_ApplicationMain})
AddApplicationInternal(${A_Target} ${A_ExecutableName})
if (BUILD_TESTS)
# TODO disable dameon assert macros in test files
set(A_Definitions ${A_Definitions} PRODUCE_TEST_APPLICATION DAEMON_SKIP_ASSERT_SHORTHANDS)
# Note that unit tests must be added directly as sources to the executable, not via
# a static library, because when GCC is linking a library, it drops
# object files without a referenced symbol, unless you prevent it with
# -Wl,--whole-archive -l<library path> -Wl,--no-whole-archive
set(Sources ${A_ApplicationMain} ${A_Tests})
AddApplicationInternal(test-${A_Target} test-${A_Target})
target_link_libraries(test-${A_Target} GTest::gmock)
endif()
ADD_PRECOMPILED_HEADER(${A_Target}-objects)
endfunction()
daemon_write_buildinfo()
if (NOT NACL)
add_library(engine-lib EXCLUDE_FROM_ALL ${PCH_FILE} ${BUILDINFOLIST} ${COMMONLIST} ${ENGINELIST})
target_link_libraries(engine-lib ${LIBS_BASE} ${LIBS_ENGINE_BASE})
set_property(TARGET engine-lib APPEND PROPERTY COMPILE_DEFINITIONS BUILD_ENGINE)
set_property(TARGET engine-lib APPEND PROPERTY INCLUDE_DIRECTORIES ${ENGINE_DIR} ${MOUNT_DIR} ${LIB_DIR})
set_property(TARGET engine-lib APPEND PROPERTY COMPILE_OPTIONS ${WARNINGS})
set_target_properties(engine-lib PROPERTIES FOLDER "engine/objects")
ADD_PRECOMPILED_HEADER(engine-lib)
if (BUILD_DUMMY_APP)
AddApplication(
Target dummyapp
ExecutableName dummyapp
Definitions USELESS_DEFINITION_TO_AVOID_PCH_ISSUE
ApplicationMain ${ENGINE_DIR}/null/NullApplication.cpp
Flags ${WARNINGS}
Files ${COMMON_DIR}/Util.h # must be nonempty
Tests ${ENGINETESTLIST}
)
endif()
endif()
if (BUILD_CLIENT)
set(Definitions
BUILD_ENGINE BUILD_GRAPHICAL_CLIENT
)
if (USE_SMP)
list(APPEND Definitions USE_SMP)
endif()
AddApplication(
Target client
ExecutableName daemon
ApplicationMain ${ENGINE_DIR}/client/ClientApplication.cpp
Definitions ${Definitions}
Flags ${WARNINGS}
Files ${WIN_RC} ${BUILDINFOLIST} ${QCOMMONLIST} ${SERVERLIST} ${CLIENTBASELIST} ${CLIENTLIST}
Libs ${LIBS_CLIENT} ${LIBS_CLIENTBASE} ${LIBS_ENGINE}
Tests ${ENGINETESTLIST}
)
# generate glsl include files
set(GLSL_SOURCE_DIR ${ENGINE_DIR}/renderer/glsl_source)
set(EMBED_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/embed_data)
file(MAKE_DIRECTORY ${EMBED_INCLUDE_DIR})
set_property(TARGET client-objects APPEND PROPERTY INCLUDE_DIRECTORIES ${EMBED_INCLUDE_DIR})
foreach(res ${GLSLSOURCELIST})
get_filename_component(filename_no_ext ${res} NAME_WE)
set(outpath ${EMBED_INCLUDE_DIR}/${filename_no_ext}.glsl.h)
add_custom_command(
OUTPUT ${outpath}
COMMAND ${CMAKE_COMMAND} "-DINPUT_FILE=${res}" "-DOUTPUT_FILE=${outpath}"
"-DVARIABLE_NAME=${filename_no_ext}_glsl" -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/EmbedText.cmake
MAIN_DEPENDENCY ${res}
)
set_property(TARGET client-objects APPEND PROPERTY SOURCES ${outpath})
endforeach()
endif()
if (BUILD_SERVER)
AddApplication(
Target server
ExecutableName daemonded
ApplicationMain ${ENGINE_DIR}/server/ServerApplication.cpp
Definitions BUILD_ENGINE BUILD_SERVER
Flags ${WARNINGS}
Files ${WIN_RC} ${BUILDINFOLIST} ${QCOMMONLIST} ${SERVERLIST} ${DEDSERVERLIST}
Libs ${LIBS_ENGINE}
Tests ${ENGINETESTLIST}
)
endif()
if (BUILD_TTY_CLIENT)
AddApplication(
Target ttyclient
ExecutableName daemon-tty
ApplicationMain ${ENGINE_DIR}/client/ClientApplication.cpp
Definitions BUILD_ENGINE BUILD_TTY_CLIENT
Flags ${WARNINGS}
Files ${WIN_RC} ${BUILDINFOLIST} ${QCOMMONLIST} ${SERVERLIST} ${CLIENTBASELIST} ${TTYCLIENTLIST}
Libs ${LIBS_CLIENTBASE} ${LIBS_ENGINE}
Tests ${ENGINETESTLIST}
)
endif()
################################################################################
# Runtime dependencies
################################################################################
if (DEPS_DIR AND (BUILD_CLIENT OR BUILD_TTY_CLIENT OR BUILD_SERVER OR BUILD_DUMMY_APP))
add_custom_target(runtime_deps)
set_target_properties(runtime_deps PROPERTIES FOLDER "CMakePlumbing")
# The NaCl loader and IRT are required to load .nexe files
add_custom_command(TARGET runtime_deps PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
${DEPS_DIR}/nacl_loader${CMAKE_EXECUTABLE_SUFFIX}
${FULL_OUTPUT_DIR}/nacl_loader${CMAKE_EXECUTABLE_SUFFIX}
)
add_custom_command(TARGET runtime_deps PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
${DEPS_DIR}/irt_core-${NACL_ARCH}.nexe
${FULL_OUTPUT_DIR}/irt_core-${NACL_ARCH}.nexe
)