mirror of
https://github.com/SerenityOS/serenity.git
synced 2025-01-23 01:41:59 -05:00
137 lines
5.1 KiB
CMake
137 lines
5.1 KiB
CMake
cmake_minimum_required(VERSION 3.16)
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project(
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SerenitySuperbuild
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DESCRIPTION "Orchestrate host and target builds in a single build"
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LANGUAGES NONE
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)
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# NOTE: Before CMake 3.19, if a custom command is attached to multiple step targets for Makefile and Visual Studio generators,
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# it might be run multiple times during the build. Enable new behavior of policy CMP0114 to avoid this, or apply the
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# workaround from https://gitlab.kitware.com/cmake/cmake/-/issues/18663#note_489967
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if(NOT CMAKE_VERSION VERSION_LESS "3.19")
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cmake_policy(SET CMP0114 NEW)
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macro(ensure_dependencies)
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endmacro()
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else()
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macro(ensure_dependencies proj)
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foreach(step IN ITEMS configure build install)
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if(NOT TARGET "${proj}-${step}")
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ExternalProject_Add_StepTargets("${proj}" "${step}")
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endif()
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if(step STREQUAL "install")
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ExternalProject_Add_StepDependencies("${proj}" install "${proj}-build")
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elseif(step STREQUAL "build")
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ExternalProject_Add_StepDependencies("${proj}" build "${proj}-configure")
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endif()
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endforeach()
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endmacro()
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endif()
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get_filename_component(
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SERENITY_SOURCE_DIR "${PROJECT_SOURCE_DIR}/../../.."
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ABSOLUTE CACHE
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)
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set(SERENITY_ARCH "i686" CACHE STRING "Target architecture for SerenityOS.")
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set(SERENITY_TOOLCHAIN "GNU" CACHE STRING "Compliler toolchain to use for Serenity (GNU or Clang)")
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# FIXME: It is preferred to keep all the sub-build artifacts below the binary directory for the superbuild
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# However, this has an impact on developer's IDE settings and more significantly, the Ports tree.
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# See https://github.com/SerenityOS/serenity/pull/9297#discussion_r697877603
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set(SERENITY_BUILD_DIR_SUFFIX "")
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if(NOT SERENITY_TOOLCHAIN STREQUAL "GNU")
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string(TOLOWER "${SERENITY_TOOLCHAIN}" SERENITY_BUILD_DIR_SUFFIX)
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endif()
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set(SERENITY_BUILD_DIR "${PROJECT_BINARY_DIR}/../${SERENITY_ARCH}${SERENITY_BUILD_DIR_SUFFIX}")
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if (CMAKE_HOST_SYSTEM_NAME MATCHES "SerenityOS")
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message(STATUS "Good job on building cmake!")
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else()
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configure_file("${SERENITY_SOURCE_DIR}/Toolchain/CMake/${SERENITY_TOOLCHAIN}Toolchain.txt.in" "${SERENITY_BUILD_DIR}/CMakeToolchain.txt" @ONLY)
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set(SERENITY_TOOLCHAIN_FILE "${SERENITY_BUILD_DIR}/CMakeToolchain.txt" CACHE PATH "Toolchain file to use for cross-compilation")
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# Support non-cross builds by stuffing this in a variable
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set(SERENITY_TOOLCHAIN_FILE_ARG "-DCMAKE_TOOLCHAIN_FILE:STRING=${SERENITY_TOOLCHAIN_FILE}")
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endif()
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# Allow the Ninja generators to output messages as they happen by assigning
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# these jobs to the 'console' job pool
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set(console_access "")
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if(CMAKE_GENERATOR MATCHES "^Ninja")
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set(
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console_access
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USES_TERMINAL_CONFIGURE YES
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USES_TERMINAL_BUILD YES
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USES_TERMINAL_INSTALL YES
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)
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endif()
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include(ExternalProject)
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# Collect options for Lagom build
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set(lagom_options "")
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macro(serenity_option name)
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set(${ARGV})
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list(APPEND lagom_options "-D${name}:STRING=${${name}}")
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endmacro()
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include("${SERENITY_SOURCE_DIR}/Meta/CMake/lagom_options.cmake")
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# Forward user defined host toolchain to lagom build
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if (DEFINED CMAKE_C_COMPILER)
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set(CMAKE_C_COMPILER "${CMAKE_C_COMPILER}" CACHE STRING "C Compiler to use for host builds")
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list(APPEND lagom_options "-DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}")
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endif()
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if (DEFINED CMAKE_CXX_COMPILER)
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set(CMAKE_CXX_COMPILER "${CMAKE_CXX_COMPILER}" CACHE STRING "C++ Compiler to use for host builds")
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list(APPEND lagom_options "-DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}")
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endif()
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ExternalProject_Add(
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lagom
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SOURCE_DIR "${SERENITY_SOURCE_DIR}/Meta/Lagom"
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BINARY_DIR "${PROJECT_BINARY_DIR}/../lagom"
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INSTALL_DIR "${PROJECT_BINARY_DIR}/../lagom-install"
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EXCLUDE_FROM_ALL YES
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CMAKE_CACHE_ARGS
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"-DCMAKE_INSTALL_PREFIX:STRING=<INSTALL_DIR>"
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"-DUCD_PATH:STRING=${SERENITY_BUILD_DIR}/UCD"
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"-DCLDR_PATH:STRING=${SERENITY_BUILD_DIR}/CLDR"
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${lagom_options}
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# Always call the build step of tools, so keeping things up-to-date is easy
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BUILD_ALWAYS YES
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# Expose install step as a target, so it can be depended on
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STEP_TARGETS install
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${console_access}
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)
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ensure_dependencies(lagom)
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# Collect options for serenity build
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set(serenity_options "")
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macro(serenity_option name)
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set(${ARGV})
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list(APPEND serenity_options "-D${name}:STRING=${${name}}")
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endmacro()
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include("${SERENITY_SOURCE_DIR}/Meta/CMake/serenity_options.cmake")
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ExternalProject_Add(
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serenity
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SOURCE_DIR "${SERENITY_SOURCE_DIR}"
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BINARY_DIR "${SERENITY_BUILD_DIR}"
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CMAKE_CACHE_ARGS
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# Tell the find_package(Lagom REQUIRED) command call where to find
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# the CMake package
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"-DCMAKE_PREFIX_PATH:STRING=${PROJECT_BINARY_DIR}/../lagom-install"
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"-DUCD_PATH:STRING=${SERENITY_BUILD_DIR}/UCD"
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"-DCLDR_PATH:STRING=${SERENITY_BUILD_DIR}/CLDR"
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"-DSERENITY_ARCH:STRING=${SERENITY_ARCH}"
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"${SERENITY_TOOLCHAIN_FILE_ARG}"
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${serenity_options}
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# Always call the build step
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BUILD_ALWAYS YES
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# Host tools must be built and installed before the OS can be built
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DEPENDS lagom-install
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STEP_TARGETS configure install
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${console_access}
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)
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ensure_dependencies(serenity)
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