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neovim/CMakeLists.txt

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CMake
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cmake_minimum_required(VERSION 2.8.7)
project(NEOVIM)
# Point CMake at any custom modules we may ship
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
# Prefer our bundled versions of dependencies.
set(DEPS_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}/.deps/usr" CACHE PATH "Path prefix for finding dependencies")
list(INSERT CMAKE_PREFIX_PATH 0 ${DEPS_PREFIX})
set(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:${DEPS_PREFIX}/lib/pkgconfig")
# used for check_c_compiler_flag
include(CheckCCompilerFlag)
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
# CMake tries to treat /sw and /opt/local as extension of the system path, but
# that doesn't really work out very well. Once you have a dependency that
# resides there and have to add it as an include directory, then any other
# dependency that could be satisfied from there must be--otherwise you can end
# up with conflicting versions. So, let's make them more of a priority having
# them be included as one of the first places to look for dependencies.
list(APPEND CMAKE_PREFIX_PATH /sw /opt/local)
# Work around some old, broken detection by CMake for knowing when to use the
# isystem flag. Apple's compilers have supported this for quite some time
# now.
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem ")
endif()
# Enable fixing case-insensitive filenames for Mac.
set(USE_FNAME_CASE TRUE)
endif()
# Set available build types for CMake GUIs.
# A different build type can still be set by -DCMAKE_BUILD_TYPE=...
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
STRINGS "Debug" "Dev" "Release" "MinSizeRel" "RelWithDebInfo")
# Set default build type.
if(NOT CMAKE_BUILD_TYPE)
message(STATUS "CMAKE_BUILD_TYPE not given, defaulting to 'Dev'.")
set(CMAKE_BUILD_TYPE "Dev" CACHE STRING "Choose the type of build." FORCE)
endif()
# Version tokens
# - In a git repo, these tokens are _ignored_.
# - If the current HEAD is tagged, the tag name is used.
# - Otherwise the result of `git describe` is used.
# - If not in a git repo (e.g. a tarball) these tokens set the version string.
set(NVIM_VERSION_MAJOR 0)
set(NVIM_VERSION_MINOR 1)
set(NVIM_VERSION_PATCH 0)
set(NVIM_VERSION_PRERELEASE "-dev")
file(TO_CMAKE_PATH ${CMAKE_CURRENT_LIST_DIR}/.git FORCED_GIT_DIR)
include(GetGitRevisionDescription)
get_git_head_revision(GIT_REFSPEC NVIM_VERSION_COMMIT)
if(NVIM_VERSION_COMMIT) # is a git repo
git_get_exact_tag(NVIM_VERSION_MEDIUM)
if(NVIM_VERSION_MEDIUM) # is a tagged release
unset(NVIM_VERSION_COMMIT)
else() # is a dev build
git_describe(NVIM_VERSION_MEDIUM)
get_git_head_revision(GIT_REFSPEC NVIM_VERSION_COMMIT)
endif()
endif()
set(NVIM_VERSION_BUILD_TYPE "${CMAKE_BUILD_TYPE}")
# NVIM_VERSION_CFLAGS set further below.
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# Default to -O2 on release builds.
if(CMAKE_C_FLAGS_RELEASE MATCHES "-O3")
message(STATUS "Replacing -O3 in CMAKE_C_FLAGS_RELEASE with -O2.")
string(REPLACE "-O3" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
endif()
# Disable logging for release-type builds.
if(NOT CMAKE_C_FLAGS_RELEASE MATCHES DDISABLE_LOG)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DDISABLE_LOG")
endif()
if(NOT CMAKE_C_FLAGS_MINSIZEREL MATCHES DDISABLE_LOG)
set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -DDISABLE_LOG")
endif()
if(NOT CMAKE_C_FLAGS_RELWITHDEBINFO MATCHES DDISABLE_LOG)
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -DDISABLE_LOG")
endif()
# Enable assertions for RelWithDebInfo.
if(CMAKE_C_FLAGS_RELWITHDEBINFO MATCHES DNDEBUG)
string(REPLACE "-DNDEBUG" "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
endif()
# Set build flags for custom Dev build type.
# -DNDEBUG purposely omitted because we want assertions.
if(MSVC)
SET(CMAKE_C_FLAGS_DEV ""
CACHE STRING "Flags used by the compiler during development (optimized, but with debug info and logging) builds."
FORCE)
else()
if(CMAKE_COMPILER_IS_GNUCC)
check_c_compiler_flag(-Og HAS_OG_FLAG)
else()
set(HAS_OG_FLAG 0)
endif()
if(HAS_OG_FLAG)
set(CMAKE_C_FLAGS_DEV "-Og -g"
CACHE STRING "Flags used by the compiler during development (optimized, but with debug info and logging) builds."
FORCE)
else()
set(CMAKE_C_FLAGS_DEV "-O2 -g"
CACHE STRING "Flags used by the compiler during development (optimized, but with debug info and logging) builds."
FORCE)
endif()
endif()
SET(CMAKE_EXE_LINKER_FLAGS_DEV ""
CACHE STRING "Flags used for linking binaries during development (optimized, but with debug info and logging) builds."
FORCE)
SET(CMAKE_SHARED_LINKER_FLAGS_DEV ""
CACHE STRING "Flags used by the shared libraries linker during development (optimized, but with debug info and logging) builds."
FORCE)
MARK_AS_ADVANCED(
CMAKE_C_FLAGS_DEV
CMAKE_EXE_LINKER_FLAGS_DEV
CMAKE_SHARED_LINKER_FLAGS_DEV)
# Enable -Wconversion.
if(NOT MSVC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wconversion")
endif()
# gcc 4.0 and better turn on _FORTIFY_SOURCE=2 automatically. This currently
# does not work with Neovim due to some uses of dynamically-sized structures.
# See https://github.com/neovim/neovim/issues/223 for details.
include(CheckCSourceCompiles)
# Include the build type's default flags in the check for _FORTIFY_SOURCE,
# otherwise we may incorrectly identify the level as acceptable and find out
# later that it was not when optimizations were enabled. CFLAGS is applied
# even though you don't see it in CMAKE_REQUIRED_FLAGS.
set(INIT_FLAGS_NAME CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE})
string(TOUPPER ${INIT_FLAGS_NAME} INIT_FLAGS_NAME)
if(${INIT_FLAGS_NAME})
set(CMAKE_REQUIRED_FLAGS "${${INIT_FLAGS_NAME}}")
endif()
check_c_source_compiles("
#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 1
#error \"_FORTIFY_SOURCE > 1\"
#endif
int
main(void)
{
return 0;
}
" HAS_ACCEPTABLE_FORTIFY)
if(NOT HAS_ACCEPTABLE_FORTIFY)
message(STATUS "Unsupported _FORTIFY_SOURCE found, forcing _FORTIFY_SOURCE=1.")
# Extract possible prefix to _FORTIFY_SOURCE (e.g. -Wp,-D_FORTIFY_SOURCE).
STRING(REGEX MATCH "[^\ ]+-D_FORTIFY_SOURCE" _FORTIFY_SOURCE_PREFIX "${CMAKE_C_FLAGS}")
STRING(REPLACE "-D_FORTIFY_SOURCE" "" _FORTIFY_SOURCE_PREFIX "${_FORTIFY_SOURCE_PREFIX}" )
if(NOT _FORTIFY_SOURCE_PREFIX STREQUAL "")
message(STATUS "Detected _FORTIFY_SOURCE Prefix=${_FORTIFY_SOURCE_PREFIX}.")
endif()
# -U in add_definitions doesn't end up in the correct spot, so we add it to
# the flags variable instead.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FORTIFY_SOURCE_PREFIX}-U_FORTIFY_SOURCE ${_FORTIFY_SOURCE_PREFIX}-D_FORTIFY_SOURCE=1")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_FORTIFY_SOURCE_PREFIX}-U_FORTIFY_SOURCE ${_FORTIFY_SOURCE_PREFIX}-D_FORTIFY_SOURCE=1")
endif()
# Remove --sort-common from linker flags, as this seems to cause bugs (see #2641, #3374).
# TODO: Figure out the root cause.
if(CMAKE_EXE_LINKER_FLAGS MATCHES "--sort-common" OR
CMAKE_SHARED_LINKER_FLAGS MATCHES "--sort-common" OR
CMAKE_MODULE_LINKER_FLAGS MATCHES "--sort-common")
message(STATUS "Removing --sort-common from linker flags.")
string(REGEX REPLACE ",--sort-common(=[^,]+)?" "" CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
string(REGEX REPLACE ",--sort-common(=[^,]+)?" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
string(REGEX REPLACE ",--sort-common(=[^,]+)?" "" CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
# If no linker flags remain for a -Wl argument, remove it.
# '-Wl$' will match LDFLAGS="-Wl,--sort-common",
# '-Wl ' will match LDFLAGS="-Wl,--sort-common -Wl,..."
string(REGEX REPLACE "-Wl($| )" "" CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
string(REGEX REPLACE "-Wl($| )" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
string(REGEX REPLACE "-Wl($| )" "" CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
endif()
if(MSVC)
# XXX: /W4 gives too many warnings. #3241
add_definitions(/W3 -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE)
else()
add_definitions(-Wall -Wextra -pedantic -Wno-unused-parameter
-Wstrict-prototypes -std=gnu99)
endif()
if(MINGW)
# Use POSIX compatible stdio in Mingw
add_definitions(-D__USE_MINGW_ANSI_STDIO)
endif()
# OpenBSD's GCC (4.2.1) doesn't have -Wvla
check_c_compiler_flag(-Wvla HAS_WVLA_FLAG)
if(HAS_WVLA_FLAG)
add_definitions(-Wvla)
endif()
check_c_compiler_flag(-fstack-protector-strong HAS_FSTACK_PROTECTOR_STRONG_FLAG)
check_c_compiler_flag(-fstack-protector HAS_FSTACK_PROTECTOR_FLAG)
if(HAS_FSTACK_PROTECTOR_STRONG_FLAG)
add_definitions(-fstack-protector-strong)
elseif(HAS_FSTACK_PROTECTOR_FLAG)
add_definitions(-fstack-protector --param ssp-buffer-size=4)
endif()
check_c_compiler_flag(-fdiagnostics-color=auto HAS_DIAG_COLOR_FLAG)
if(HAS_DIAG_COLOR_FLAG)
add_definitions(-fdiagnostics-color=auto)
endif()
option(
TRAVIS_CI_BUILD "Travis CI build. Extra compilation flags will be set." OFF)
if(TRAVIS_CI_BUILD)
message(STATUS "Travis CI build enabled.")
add_definitions(-Werror)
endif()
if(CMAKE_BUILD_TYPE MATCHES Debug)
set(DEBUG 1)
else()
set(DEBUG 0)
endif()
add_definitions(-DINCLUDE_GENERATED_DECLARATIONS)
add_definitions(-DHAVE_CONFIG_H)
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-undefined")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined")
endif()
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_NAME STREQUAL "SunOS")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-undefined -lsocket")
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
# Required for luajit.
set(CMAKE_EXE_LINKER_FLAGS
"${CMAKE_EXE_LINKER_FLAGS} -pagezero_size 10000 -image_base 100000000")
set(CMAKE_SHARED_LINKER_FLAGS
"${CMAKE_SHARED_LINKER_FLAGS} -image_base 100000000")
set(CMAKE_MODULE_LINKER_FLAGS
"${CMAKE_MODULE_LINKER_FLAGS} -image_base 100000000")
endif()
include_directories("${PROJECT_BINARY_DIR}/config")
include_directories("${PROJECT_SOURCE_DIR}/src")
# Modules used by platform auto-detection
include(CheckLibraryExists)
find_package(LibUV REQUIRED)
include_directories(SYSTEM ${LIBUV_INCLUDE_DIRS})
find_package(Msgpack REQUIRED)
include_directories(SYSTEM ${MSGPACK_INCLUDE_DIRS})
find_package(LuaJit REQUIRED)
include_directories(SYSTEM ${LUAJIT_INCLUDE_DIRS})
find_package(Unibilium REQUIRED)
include_directories(SYSTEM ${UNIBILIUM_INCLUDE_DIRS})
find_package(LibTermkey REQUIRED)
include_directories(SYSTEM ${LIBTERMKEY_INCLUDE_DIRS})
find_package(LibVterm REQUIRED)
include_directories(SYSTEM ${LIBVTERM_INCLUDE_DIRS})
option(CLANG_ASAN_UBSAN "Enable Clang address & undefined behavior sanitizer for nvim binary." OFF)
option(CLANG_MSAN "Enable Clang memory sanitizer for nvim binary." OFF)
option(CLANG_TSAN "Enable Clang thread sanitizer for nvim binary." OFF)
if((CLANG_ASAN_UBSAN AND CLANG_MSAN)
OR (CLANG_ASAN_UBSAN AND CLANG_TSAN)
OR (CLANG_MSAN AND CLANG_TSAN))
message(FATAL_ERROR "Sanitizers cannot be enabled simultaneously.")
endif()
if((CLANG_ASAN_UBSAN OR CLANG_MSAN OR CLANG_TSAN) AND NOT CMAKE_C_COMPILER_ID MATCHES "Clang")
message(FATAL_ERROR "Sanitizers are only supported for Clang.")
endif()
option(ENABLE_JEMALLOC "enable jemalloc" ON)
if (ENABLE_JEMALLOC)
if(CLANG_ASAN_UBSAN OR CLANG_MSAN OR CLANG_TSAN)
message(STATUS "Sanitizers have been enabled; don't use jemalloc.")
else()
find_package(JeMalloc)
if(JEMALLOC_FOUND)
include_directories(SYSTEM ${JEMALLOC_INCLUDE_DIRS})
endif()
endif()
endif()
find_package(LibIntl)
if(LibIntl_FOUND)
include_directories(SYSTEM ${LibIntl_INCLUDE_DIRS})
endif()
find_package(Iconv)
if(Iconv_FOUND)
include_directories(SYSTEM ${Iconv_INCLUDE_DIRS})
endif()
# Determine platform's threading library. Set CMAKE_THREAD_PREFER_PTHREAD
# explicitly to indicate a strong preference for pthread.
set(CMAKE_THREAD_PREFER_PTHREAD ON)
find_package(Threads REQUIRED)
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)
# Find Lua interpreter
include(LuaHelpers)
set(LUA_DEPENDENCIES lpeg MessagePack bit)
if(NOT LUA_PRG)
foreach(CURRENT_LUA_PRG luajit lua)
# If LUA_PRG is set find_program() will not search
unset(LUA_PRG CACHE)
unset(LUA_PRG_WORKS)
find_program(LUA_PRG ${CURRENT_LUA_PRG})
if(LUA_PRG)
check_lua_deps(${LUA_PRG} "${LUA_DEPENDENCIES}" LUA_PRG_WORKS)
if(LUA_PRG_WORKS)
break()
endif()
endif()
endforeach()
else()
check_lua_deps(${LUA_PRG} "${LUA_DEPENDENCIES}" LUA_PRG_WORKS)
endif()
if(NOT LUA_PRG_WORKS)
message(FATAL_ERROR "A suitable Lua interpreter was not found.")
endif()
message(STATUS "Using the Lua interpreter ${LUA_PRG}.")
# Setup busted.
find_program(BUSTED_PRG busted)
if(NOT BUSTED_OUTPUT_TYPE)
set(BUSTED_OUTPUT_TYPE "utfTerminal")
endif()
include(InstallHelpers)
file(GLOB MANPAGES
RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
man/nvim.1)
install_helper(
FILES ${MANPAGES}
DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
# Go down the tree.
add_subdirectory(src/nvim)
# Read compilation flags from src/nvim,
# used in config subdirectory below.
include(GetCompileFlags)
get_compile_flags(NVIM_VERSION_CFLAGS)
add_subdirectory(test/includes)
add_subdirectory(config)
add_subdirectory(test/functional/fixtures) # compile pty/shell test programs
add_subdirectory(runtime)
# Setup some test-related bits. We do this after going down the tree because we
# need some of the targets.
if(BUSTED_PRG)
get_property(TEST_INCLUDE_DIRS DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
PROPERTY INCLUDE_DIRECTORIES)
# Set policy CMP0026 to OLD so we avoid CMake warnings on newer
# versions of cmake.
if(POLICY CMP0026)
cmake_policy(SET CMP0026 OLD)
endif()
get_target_property(TEST_LIBNVIM_PATH nvim-test LOCATION)
configure_file(
test/config/paths.lua.in
${CMAKE_BINARY_DIR}/test/config/paths.lua)
set(UNITTEST_PREREQS nvim-test unittest-headers)
set(FUNCTIONALTEST_PREREQS nvim tty-test shell-test)
set(BENCHMARK_PREREQS nvim tty-test)
# Useful for automated build systems, if they want to manually run the tests.
add_custom_target(unittest-prereqs
DEPENDS ${UNITTEST_PREREQS})
add_custom_target(functionaltest-prereqs
DEPENDS ${FUNCTIONALTEST_PREREQS})
add_custom_target(benchmark-prereqs
DEPENDS ${BENCHMARK_PREREQS})
add_custom_target(unittest
COMMAND ${CMAKE_COMMAND}
-DBUSTED_PRG=${BUSTED_PRG}
-DLUA_PRG=${LUA_PRG}
-DWORKING_DIR=${CMAKE_CURRENT_SOURCE_DIR}
-DBUSTED_OUTPUT_TYPE=${BUSTED_OUTPUT_TYPE}
-DTEST_DIR=${CMAKE_CURRENT_SOURCE_DIR}/test
-DBUILD_DIR=${CMAKE_BINARY_DIR}
-DTEST_TYPE=unit
-P ${PROJECT_SOURCE_DIR}/cmake/RunTests.cmake
DEPENDS ${UNITTEST_PREREQS})
add_custom_target(functionaltest
COMMAND ${CMAKE_COMMAND}
-DBUSTED_PRG=${BUSTED_PRG}
-DNVIM_PRG=$<TARGET_FILE:nvim>
-DWORKING_DIR=${CMAKE_CURRENT_SOURCE_DIR}
-DBUSTED_OUTPUT_TYPE=${BUSTED_OUTPUT_TYPE}
-DTEST_DIR=${CMAKE_CURRENT_SOURCE_DIR}/test
-DBUILD_DIR=${CMAKE_BINARY_DIR}
-DTEST_TYPE=functional
-P ${PROJECT_SOURCE_DIR}/cmake/RunTests.cmake
DEPENDS ${FUNCTIONALTEST_PREREQS})
add_custom_target(benchmark
COMMAND ${CMAKE_COMMAND}
-DBUSTED_PRG=${BUSTED_PRG}
-DNVIM_PRG=$<TARGET_FILE:nvim>
-DWORKING_DIR=${CMAKE_CURRENT_SOURCE_DIR}
-DBUSTED_OUTPUT_TYPE=${BUSTED_OUTPUT_TYPE}
-DTEST_DIR=${CMAKE_CURRENT_SOURCE_DIR}/test
-DBUILD_DIR=${CMAKE_BINARY_DIR}
-DTEST_TYPE=benchmark
-P ${PROJECT_SOURCE_DIR}/cmake/RunTests.cmake
DEPENDS ${BENCHMARK_PREREQS})
endif()
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