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neovim/CMakeLists.txt
dundargoc bf0be0f63e build: various improvements 
- Use `#pragma once` for `cmake.config/config.h.in`
- Remove unused variable `CACHED_GENERATED_DIR`
- Reorganize and sort variables
- Introduce `STYLUA_DIRS` variable to ensure the `formatlua` and
  `lintlua-stylua` operates on the same files.
- Adjust variable scope to avoid using hacky directory properties.
- Add more necessary runtime files as test dependencies
2023-12-30 14:22:25 +01:00

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CMake
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# CMAKE REFERENCE
# intro: https://codingnest.com/basic-cmake/
# best practices (3.0+): https://gist.github.com/mbinna/c61dbb39bca0e4fb7d1f73b0d66a4fd1
# pitfalls: https://izzys.casa/2019/02/everything-you-never-wanted-to-know-about-cmake/
# Version should match the tested CMAKE_URL in .github/workflows/build.yml.
cmake_minimum_required(VERSION 3.13)
# Can be removed once minimum version is at least 3.15
if(POLICY CMP0092)
cmake_policy(SET CMP0092 NEW)
endif()
project(nvim C)
if(POLICY CMP0135)
cmake_policy(SET CMP0135 NEW)
endif()
# Point CMake at any custom modules we may ship
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
include(CheckCCompilerFlag)
include(CheckCSourceCompiles)
include(CheckLibraryExists)
include(ExternalProject)
include(FindPackageHandleStandardArgs)
include(GNUInstallDirs)
include(Deps)
include(Find)
include(InstallHelpers)
include(PreventInTreeBuilds)
include(Util)
#-------------------------------------------------------------------------------
# Variables
#-------------------------------------------------------------------------------
set(FUNCS_DATA ${PROJECT_BINARY_DIR}/funcs_data.mpack)
set(GENERATED_RUNTIME_DIR ${PROJECT_BINARY_DIR}/runtime)
set(TOUCHES_DIR ${PROJECT_BINARY_DIR}/touches)
# GENERATED_RUNTIME_DIR
set(GENERATED_HELP_TAGS ${GENERATED_RUNTIME_DIR}/doc/tags)
set(GENERATED_SYN_VIM ${GENERATED_RUNTIME_DIR}/syntax/vim/generated.vim)
set_directory_properties(PROPERTIES
EP_PREFIX "${DEPS_BUILD_DIR}")
find_program(CCACHE_PRG ccache)
if(CCACHE_PRG)
set(CMAKE_C_COMPILER_LAUNCHER ${CMAKE_COMMAND} -E env CCACHE_SLOPPINESS=pch_defines,time_macros ${CCACHE_PRG})
endif()
if(NOT CI_BUILD)
set(CMAKE_INSTALL_MESSAGE NEVER)
endif()
if(${CMAKE_VERSION} VERSION_LESS 3.20)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
endif()
# Prefer our bundled versions of dependencies.
if(DEFINED ENV{DEPS_BUILD_DIR})
set(DEPS_PREFIX "$ENV{DEPS_BUILD_DIR}/usr" CACHE PATH "Path prefix for finding dependencies")
else()
set(DEPS_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}/.deps/usr" CACHE PATH "Path prefix for finding dependencies")
# When running from within CLion or Visual Studio,
# build bundled dependencies automatically.
if(NOT EXISTS ${DEPS_PREFIX}
AND (DEFINED ENV{CLION_IDE}
OR DEFINED ENV{VisualStudioEdition}))
message(STATUS "Building dependencies...")
set(DEPS_BUILD_DIR ${PROJECT_BINARY_DIR}/.deps)
file(MAKE_DIRECTORY ${DEPS_BUILD_DIR})
execute_process(
COMMAND ${CMAKE_COMMAND} -G ${CMAKE_GENERATOR}
-D CMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
-D CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-D CMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-D CMAKE_C_FLAGS=${CMAKE_C_FLAGS}
-D CMAKE_C_FLAGS_DEBUG=${CMAKE_C_FLAGS_DEBUG}
-D CMAKE_C_FLAGS_MINSIZEREL=${CMAKE_C_FLAGS_MINSIZEREL}
-D CMAKE_C_FLAGS_RELWITHDEBINFO=${CMAKE_C_FLAGS_RELWITHDEBINFO}
-D CMAKE_C_FLAGS_RELEASE=${CMAKE_C_FLAGS_RELEASE}
-D CMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}
${PROJECT_SOURCE_DIR}/cmake.deps
WORKING_DIRECTORY ${DEPS_BUILD_DIR})
execute_process(
COMMAND ${CMAKE_COMMAND} --build ${DEPS_BUILD_DIR}
--config ${CMAKE_BUILD_TYPE})
set(DEPS_PREFIX ${DEPS_BUILD_DIR}/usr)
endif()
endif()
list(INSERT CMAKE_PREFIX_PATH 0 ${DEPS_PREFIX})
if(APPLE)
# If the macOS deployment target is not set manually (via $MACOSX_DEPLOYMENT_TARGET),
# fall back to local system version. Needs to be done both here and in cmake.deps.
if(NOT CMAKE_OSX_DEPLOYMENT_TARGET)
execute_process(COMMAND sw_vers -productVersion
OUTPUT_VARIABLE MACOS_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_OSX_DEPLOYMENT_TARGET "${MACOS_VERSION}")
endif()
message(STATUS "Using deployment target ${CMAKE_OSX_DEPLOYMENT_TARGET}")
endif()
if(WIN32 OR APPLE)
# Ignore case when comparing filenames on Windows and Mac.
set(CASE_INSENSITIVE_FILENAME TRUE)
# Enable fixing case-insensitive filenames for Windows and Mac.
set(USE_FNAME_CASE TRUE)
endif()
if (MINGW)
# Disable LTO by default as it may not compile
# See https://github.com/Alexpux/MINGW-packages/issues/3516
# and https://github.com/neovim/neovim/pull/8654#issuecomment-402316672
option(ENABLE_LTO "enable link time optimization" OFF)
else()
option(ENABLE_LTO "enable link time optimization" ON)
endif()
option(ENABLE_LIBINTL "enable libintl" ON)
message(STATUS "CMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}")
set_default_buildtype()
get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(NOT isMultiConfig)
# Unlike build dependencies in cmake.deps, we assume we want dev dependencies
# such as Uncrustify to always be built with Release.
list(APPEND DEPS_CMAKE_ARGS -D CMAKE_BUILD_TYPE=Release)
endif()
# If not in a git repo (e.g., a tarball) these tokens define the complete
# version string, else they are combined with the result of `git describe`.
set(NVIM_VERSION_MAJOR 0)
set(NVIM_VERSION_MINOR 10)
set(NVIM_VERSION_PATCH 0)
set(NVIM_VERSION_PRERELEASE "-dev") # for package maintainers
# API level
set(NVIM_API_LEVEL 12) # Bump this after any API change.
set(NVIM_API_LEVEL_COMPAT 0) # Adjust this after a _breaking_ API change.
set(NVIM_API_PRERELEASE true)
# Build-type: RelWithDebInfo
# /Og means something different in MSVC
if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -Og -g")
endif()
# We _want_ assertions in RelWithDebInfo build-type.
if(CMAKE_C_FLAGS_RELWITHDEBINFO MATCHES DNDEBUG)
string(REPLACE "-DNDEBUG" "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/DNDEBUG" "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE " " " " CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}") # Remove duplicate whitespace
endif()
option(ENABLE_ASAN_UBSAN "Enable Clang address & undefined behavior sanitizer for nvim binary." OFF)
option(ENABLE_MSAN "Enable Clang memory sanitizer for nvim binary." OFF)
option(ENABLE_TSAN "Enable Clang thread sanitizer for nvim binary." OFF)
if((ENABLE_ASAN_UBSAN AND ENABLE_MSAN)
OR (ENABLE_ASAN_UBSAN AND ENABLE_TSAN)
OR (ENABLE_MSAN AND ENABLE_TSAN))
message(FATAL_ERROR "Sanitizers cannot be enabled simultaneously")
endif()
# Place targets in bin/ or lib/ for all build configurations
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
foreach(CFGNAME ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER ${CFGNAME} CFGNAME)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_${CFGNAME} ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY_${CFGNAME} ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY_${CFGNAME} ${CMAKE_BINARY_DIR}/lib)
endforeach()
if(NOT PREFER_LUA)
find_program(LUA_PRG NAMES luajit)
endif()
find_program(LUA_PRG NAMES lua5.1 lua5.2 lua)
if(NOT LUA_PRG)
message(FATAL_ERROR "Failed to find a Lua 5.1-compatible interpreter")
endif()
message(STATUS "Using Lua interpreter: ${LUA_PRG}")
# Some of the code generation still relies on stable table ordering in order to
# produce reproducible output - specifically the msgpack'ed data in
# funcs_metadata.generated.h and ui_events_metadata.generated.h. This should
# ideally be fixed in the generators, but until then as a workaround you may provide
# a specific lua implementation that provides the needed stability by setting LUA_GEN_PRG:
if(NOT LUA_GEN_PRG)
set(LUA_GEN_PRG "${LUA_PRG}" CACHE FILEPATH "Path to the lua used for code generation.")
endif()
message(STATUS "Using Lua interpreter for code generation: ${LUA_GEN_PRG}")
option(COMPILE_LUA "Pre-compile Lua sources into bytecode (for sources that are included in the binary)" ON)
if(COMPILE_LUA AND NOT WIN32)
if(PREFER_LUA)
foreach(CURRENT_LUAC_PRG luac5.1 luac)
find_program(_CHECK_LUAC_PRG ${CURRENT_LUAC_PRG})
if(_CHECK_LUAC_PRG)
set(LUAC_PRG "${_CHECK_LUAC_PRG} -s -o - %s" CACHE STRING "Format for compiling to Lua bytecode")
break()
endif()
endforeach()
elseif(LUA_PRG MATCHES "luajit")
check_lua_module(${LUA_PRG} "jit.bcsave" LUAJIT_HAS_JIT_BCSAVE)
if(LUAJIT_HAS_JIT_BCSAVE)
set(LUAC_PRG "${LUA_PRG} -b -s %s -" CACHE STRING "Format for compiling to Lua bytecode")
endif()
endif()
endif()
if(LUAC_PRG)
message(STATUS "Using Lua compiler: ${LUAC_PRG}")
endif()
# Lint
option(CI_LINT "Abort if lint programs not found" OFF)
if(CI_LINT)
set(LINT_REQUIRED "REQUIRED")
endif()
find_program(SHELLCHECK_PRG shellcheck ${LINT_REQUIRED})
find_program(STYLUA_PRG stylua ${LINT_REQUIRED})
set(STYLUA_DIRS runtime scripts src test/unit)
add_glob_target(
TARGET lintlua-luacheck
COMMAND $<TARGET_FILE:nvim>
FLAGS -ll ${PROJECT_SOURCE_DIR}/test/lua_runner.lua ${CMAKE_BINARY_DIR}/usr luacheck -q
GLOB_DIRS runtime scripts src test
GLOB_PAT *.lua
TOUCH_STRATEGY SINGLE)
add_dependencies(lintlua-luacheck lua-dev-deps)
add_glob_target(
TARGET lintlua-stylua
COMMAND ${STYLUA_PRG}
FLAGS --color=always --check --respect-ignores
GLOB_DIRS ${STYLUA_DIRS}
GLOB_PAT *.lua
TOUCH_STRATEGY SINGLE)
add_custom_target(lintlua)
add_dependencies(lintlua lintlua-luacheck lintlua-stylua)
add_glob_target(
TARGET lintsh
COMMAND ${SHELLCHECK_PRG}
FLAGS -x -a
GLOB_DIRS scripts
GLOB_PAT *.sh
TOUCH_STRATEGY SINGLE)
add_custom_target(lintcommit
COMMAND $<TARGET_FILE:nvim> -u NONE -l ${PROJECT_SOURCE_DIR}/scripts/lintcommit.lua main)
add_dependencies(lintcommit nvim)
add_custom_target(lint)
add_dependencies(lint lintc lintlua lintsh lintcommit)
# Format
add_glob_target(
TARGET formatlua
COMMAND ${STYLUA_PRG}
FLAGS --respect-ignores
GLOB_DIRS ${STYLUA_DIRS}
GLOB_PAT *.lua)
add_custom_target(format)
add_dependencies(format formatc formatlua)
install_helper(
FILES ${CMAKE_SOURCE_DIR}/src/man/nvim.1
DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
add_subdirectory(src/nvim)
add_subdirectory(cmake.config)
add_subdirectory(runtime)
add_subdirectory(test)
add_custom_target(uninstall
COMMAND ${CMAKE_COMMAND} -P ${PROJECT_SOURCE_DIR}/cmake/UninstallHelper.cmake)
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
add_subdirectory(cmake.packaging)
endif()
ExternalProject_Add(uncrustify
URL https://github.com/uncrustify/uncrustify/archive/uncrustify-0.78.1.tar.gz
URL_HASH SHA256=ecaf4c0adca14c36dfffa30bc28e69865115ecd602c90eb16a8cddccb41caad2
DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/uncrustify
CMAKE_ARGS ${DEPS_CMAKE_ARGS}
CMAKE_CACHE_ARGS ${DEPS_CMAKE_CACHE_ARGS}
EXCLUDE_FROM_ALL TRUE
${EXTERNALPROJECT_OPTIONS})
option(USE_BUNDLED_BUSTED "Use bundled busted" ON)
if(USE_BUNDLED_BUSTED)
ExternalProject_Add(lua-dev-deps
URL https://github.com/neovim/deps/raw/5a1f71cceb24990a0b15fd9a472a5f549f019248/opt/lua-dev-deps.tar.gz
URL_HASH SHA256=27db2495f5eddc7fc191701ec9b291486853530c6125609d3197d03481e8d5a2
DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/lua-dev-deps
SOURCE_DIR ${DEPS_SHARE_DIR}
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ""
EXCLUDE_FROM_ALL TRUE
${EXTERNALPROJECT_OPTIONS})
else()
add_custom_target(lua-dev-deps)
endif()
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