urho3d/CMakeLists.txt

# Copyright (c) 2008-2022 the Urho3D project
# License: MIT

# Set CMake minimum version
cmake_minimum_required (VERSION 3.15)

# Set project name
project (Urho3D)

# Show command line options
get_cmake_property (CACHE_VARS CACHE_VARIABLES)
foreach (CACHE_VAR ${CACHE_VARS})
  get_property(CACHE_VAR_HELPSTRING CACHE ${CACHE_VAR} PROPERTY HELPSTRING)
  if (CACHE_VAR_HELPSTRING STREQUAL "No help, variable specified on the command line.")
    get_property(CACHE_VAR_TYPE CACHE ${CACHE_VAR} PROPERTY TYPE)
    if (CACHE_VAR_TYPE STREQUAL "UNINITIALIZED")
      set (CACHE_VAR_TYPE)
    else ()
      set (CACHE_VAR_TYPE ":${CACHE_VAR_TYPE}")
    endif()
    set (CMAKE_ARGS "${CMAKE_ARGS} -D ${CACHE_VAR}${CACHE_VAR_TYPE}=\"${${CACHE_VAR}}\"")
  endif ()
endforeach ()
message ("!! CMAKE_ARGS: ${CMAKE_ARGS}")

# Set CMake modules search path
set (CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)

# Include UrhoCommon.cmake module after setting project name
include (UrhoCommon)

# Setup SDK install destinations
set (PATH_SUFFIX Urho3D)
if (WIN32)
    set (SCRIPT_EXT .bat)
    if (CMAKE_HOST_WIN32)
        set (PATH_SUFFIX .)
        if (URHO3D_64BIT AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
            string (REPLACE " (x86)" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
        endif ()
    endif ()
else ()
    set (SCRIPT_EXT .sh)
endif ()
if (URHO3D_64BIT)
    # Install to 'lib64' when one of these conditions is true
    if ((MINGW AND CMAKE_CROSSCOMPILING) OR URHO3D_USE_LIB64_RPM OR (HAS_LIB64 AND NOT URHO3D_USE_LIB_DEB))
        set (LIB_SUFFIX 64)
    endif ()
endif ()
set (DEST_INCLUDE_DIR include/Urho3D)    # The include directory path contains the 'Urho3D' suffix regardless of PATH_SUFFIX variable
set (DEST_SHARE_DIR share/${PATH_SUFFIX})
set (DEST_BUNDLE_DIR ${DEST_SHARE_DIR}/Applications)
# Note to package maintainer: ${PATH_SUFFIX} for library could be removed if the extra path is not desired, but if so then the RPATH setting in Source's CMakeLists.txt needs to be adjusted accordingly
set (DEST_LIBRARY_DIR lib${LIB_SUFFIX}/${PATH_SUFFIX})
set (DEST_PKGCONFIG_DIR lib${LIB_SUFFIX}/pkgconfig)
# Install application launcher scripts
file (GLOB APP_SCRIPTS ${CMAKE_SOURCE_DIR}/bin/*${SCRIPT_EXT})
install (PROGRAMS ${APP_SCRIPTS} DESTINATION ${DEST_RUNTIME_DIR})   # DEST_RUNTIME_DIR variable is set by the set_output_directories() macro call in the UrhoCommon module
# Install CMake modules and toolchains provided by and for Urho3D
install (DIRECTORY ${CMAKE_SOURCE_DIR}/cmake/ DESTINATION ${DEST_SHARE_DIR}/cmake)    # Note: the trailing slash is significant
# Install CMake build scripts and rakefile
file (GLOB CMAKE_SCRIPTS ${CMAKE_SOURCE_DIR}/script/*${SCRIPT_EXT})
install (PROGRAMS ${CMAKE_SCRIPTS} DESTINATION ${DEST_SHARE_DIR}/scripts)
install (FILES rakefile DESTINATION ${DEST_SHARE_DIR})

# Setup package variables
set (URHO3D_DESCRIPTION "Urho3D is a free lightweight, cross-platform 2D and 3D game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE (http://www.ogre3d.org) and Horde3D (http://www.horde3d.org).")
set (CPACK_PACKAGE_DESCRIPTION_SUMMARY ${URHO3D_DESCRIPTION})
set (URHO3D_URL "https://github.com/urho3d/Urho3D")
set (CPACK_PACKAGE_VENDOR ${URHO3D_URL})
set (CPACK_PACKAGE_CONTACT ${URHO3D_URL})
execute_process (COMMAND ${CMAKE_COMMAND} -P ${CMAKE_SOURCE_DIR}/cmake/Modules/GetUrhoRevision.cmake WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE URHO3D_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
set (CPACK_PACKAGE_VERSION ${URHO3D_VERSION})
string (REGEX MATCH "([^.]+)\\.([^.]+)\\.(.+)" MATCHED ${URHO3D_VERSION})
if (MATCHED)
    set (CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
    set (CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
    set (CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
endif ()
set (CPACK_RESOURCE_FILE_LICENSE ${CMAKE_SOURCE_DIR}/licenses/urho3d/LICENSE)
set (CPACK_SYSTEM_NAME ${CMAKE_SYSTEM_NAME})
set (CPACK_GENERATOR TGZ)
if (ANDROID)
    set (CPACK_SYSTEM_NAME Android)
elseif (IOS)
    set (CPACK_SYSTEM_NAME iOS)
elseif (TVOS)
    set (CPACK_SYSTEM_NAME tvOS)
elseif (APPLE)
    set (CPACK_SYSTEM_NAME macOS)
elseif (WIN32)
    if (MINGW)
        set (CPACK_SYSTEM_NAME MinGW)   # MinGW implies Windows platform
    endif ()
    if (CMAKE_HOST_WIN32)
        set (CPACK_GENERATOR ZIP)       # Differentiate artifacts generated from Windows host system
    endif ()
elseif (WEB)
    set (CPACK_SYSTEM_NAME Web)
elseif (CPACK_SYSTEM_NAME STREQUAL Linux)
    if (RPI)
        set (CPACK_SYSTEM_NAME Raspberry-Pi)
        set (CPACK_DEBIAN_PACKAGE_ARCHITECTURE armhf)
    elseif (ARM)
        set (CPACK_SYSTEM_NAME ARM)     # Generic ARM
        if (URHO3D_64BIT)
            set (CPACK_DEBIAN_PACKAGE_ARCHITECTURE arm64)
        else ()
            set (CPACK_DEBIAN_PACKAGE_ARCHITECTURE armhf)
        endif ()
    elseif (NOT URHO3D_64BIT)
        set (CPACK_DEBIAN_PACKAGE_ARCHITECTURE i386)
        set (CPACK_RPM_PACKAGE_ARCHITECTURE i686)       # The 'package' target should be built with the help of 'setarch i686' command on a 64-bit host system
    endif ()
    # TODO: Temporary disable RPM and DEB package generation for CI as it has run out of disk space for a few of the target platforms.
    if (NOT DEFINED ENV{CI})
        if (NOT URHO3D_64BIT OR HAS_LIB64)
            list (APPEND CPACK_GENERATOR RPM)
        endif ()
        if (NOT URHO3D_64BIT OR NOT HAS_LIB64)
            list (APPEND CPACK_GENERATOR DEB)
        endif ()
        if (URHO3D_64BIT)
            if (URHO3D_USE_LIB64_RPM AND NOT HAS_LIB64)
                set (CPACK_GENERATOR RPM)
            elseif (URHO3D_USE_LIB_DEB AND HAS_LIB64)
                set (CPACK_GENERATOR DEB)
            endif ()
        endif ()
    endif ()
endif ()
if (URHO3D_64BIT)
    set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}-64bit)
endif ()
set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}-${URHO3D_LIB_TYPE})
if (WIN32 AND NOT URHO3D_OPENGL)
    if (URHO3D_D3D11)
        set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}-3D11)   # The artifact name has a space constraint on our website when viewed in a mobile browser, 3D11 stands for Direct3D 11
    else ()
        set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}-3D9)
    endif ()
elseif (ANDROID)
    set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}-${ANDROID_ABI})
elseif (RPI AND RPI_ABI MATCHES ^armeabi-v7a)
    set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}-v7a)
elseif (ARM_ABI_FLAGS)
    string (REGEX REPLACE "^.*mcpu=([^ ]+).*$" -\\1 CPU_NAME "${ARM_ABI_FLAGS}")
    string (REGEX REPLACE .*- - CPU_NAME "${CPU_NAME}")
    string (TOUPPER "${CPU_NAME}" CPU_NAME)
    set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}${CPU_NAME})
endif ()
if (NOT DEFINED ENV{RELEASE_TAG})
    set (CPACK_SYSTEM_NAME ${CPACK_SYSTEM_NAME}-snapshot)
endif ()
include (CPack)

# Setup macOS, iOS, and tvOS bundle variables
if (URHO3D_MACOSX_BUNDLE OR (APPLE AND ARM))
    if (NOT MACOSX_BUNDLE_ICON_FILE)
        set (MACOSX_BUNDLE_ICON_FILE UrhoIcon)
    endif ()
    if (NOT MACOSX_BUNDLE_BUNDLE_VERSION)
        set (MACOSX_BUNDLE_BUNDLE_VERSION ${URHO3D_VERSION})
    endif ()
    if (NOT MACOSX_BUNDLE_LONG_VERSION_STRING)
        set (MACOSX_BUNDLE_LONG_VERSION_STRING ${URHO3D_VERSION})
    endif ()
    if (NOT MACOSX_BUNDLE_SHORT_VERSION_STRING)
        set (MACOSX_BUNDLE_SHORT_VERSION_STRING ${URHO3D_VERSION})
    endif ()
    if (NOT MACOSX_BUNDLE_COPYRIGHT)
        set (MACOSX_BUNDLE_COPYRIGHT "Copyright (c) 2008-2022 the Urho3D project.")
    endif ()
endif ()

# Setup SDK-like include dir in the build tree for building the Urho3D library
set (THIRD_PARTY_INCLUDE_DIR ${CMAKE_BINARY_DIR}/${DEST_INCLUDE_DIR}/ThirdParty)
file (MAKE_DIRECTORY ${THIRD_PARTY_INCLUDE_DIR})

# Urho3D source
add_subdirectory (Source)

# Urho3D documentation
add_subdirectory (Docs)