mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-12-09 07:09:01 +00:00
8e0dec7c80
llvm-svn: 227139
296 lines
11 KiB
CMake
296 lines
11 KiB
CMake
# See www/CMake.html for instructions on how to build libcxx with CMake.
|
|
|
|
#===============================================================================
|
|
# Setup Project
|
|
#===============================================================================
|
|
|
|
project(libcxx CXX C)
|
|
cmake_minimum_required(VERSION 2.8)
|
|
|
|
if(POLICY CMP0042)
|
|
cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default
|
|
endif()
|
|
|
|
set(PACKAGE_NAME libcxx)
|
|
set(PACKAGE_VERSION trunk-svn)
|
|
set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
|
|
set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
|
|
|
|
# Add path for custom modules
|
|
set(CMAKE_MODULE_PATH
|
|
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
|
|
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
|
|
${CMAKE_MODULE_PATH}
|
|
)
|
|
|
|
# Require out of source build.
|
|
include(MacroEnsureOutOfSourceBuild)
|
|
MACRO_ENSURE_OUT_OF_SOURCE_BUILD(
|
|
"${PROJECT_NAME} requires an out of source build. Please create a separate
|
|
build directory and run 'cmake /path/to/${PROJECT_NAME} [options]' there."
|
|
)
|
|
|
|
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
|
|
set(LIBCXX_LIBDIR_SUFFIX "" CACHE STRING
|
|
"Define suffix of library directory name (32/64)")
|
|
|
|
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
|
|
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
|
|
|
|
set(LIBCXX_BUILT_STANDALONE 1)
|
|
else()
|
|
set(LIBCXX_LIBDIR_SUFFIX ${LLVM_LIBDIR_SUFFIX})
|
|
endif()
|
|
|
|
#===============================================================================
|
|
# Setup CMake Options
|
|
#===============================================================================
|
|
|
|
# Define options.
|
|
option(LIBCXX_ENABLE_EXCEPTIONS "Use exceptions." ON)
|
|
option(LIBCXX_ENABLE_RTTI "Use run time type information." ON)
|
|
option(LIBCXX_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON)
|
|
option(LIBCXX_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
|
|
option(LIBCXX_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
|
|
option(LIBCXX_ENABLE_CXX1Y "Enable -std=c++1y and use of c++1y language features if the compiler supports it." OFF)
|
|
option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON)
|
|
option(LIBCXX_ENABLE_THREADS "Build libc++ with support for threads." ON)
|
|
option(LIBCXX_BUILD_32_BITS "Build 32 bit libc++" OFF)
|
|
option(LIBCXX_ENABLE_MONOTONIC_CLOCK
|
|
"Build libc++ with support for a monotonic clock.
|
|
This option may only be used when LIBCXX_ENABLE_THREADS=OFF." ON)
|
|
option(LIBCXX_INSTALL_HEADERS "Install the libc++ headers." ON)
|
|
option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support headers." ON)
|
|
set(LIBCXX_SYSROOT "" CACHE STRING "Use alternate sysroot.")
|
|
set(LIBCXX_GCC_TOOLCHAIN "" CACHE STRING "Use alternate GCC toolchain.")
|
|
if (LIBCXX_BUILT_STANDALONE)
|
|
set(LLVM_USE_SANITIZER "" CACHE STRING
|
|
"Define the sanitizer used to build the library and tests")
|
|
endif()
|
|
|
|
set(CXXABIS none libcxxabi libcxxrt libstdc++ libsupc++)
|
|
if (NOT LIBCXX_CXX_ABI)
|
|
if (NOT DEFINED LIBCXX_BUILT_STANDALONE AND
|
|
IS_DIRECTORY "${CMAKE_SOURCE_DIR}/projects/libcxxabi")
|
|
set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
|
|
set(LIBCXX_LIBCXXABI_INCLUDE_PATHS "${CMAKE_SOURCE_DIR}/projects/libcxxabi/include")
|
|
set(LIBCXX_CXX_ABI_INTREE 1)
|
|
else ()
|
|
set(LIBCXX_CXX_ABI_LIBNAME "none")
|
|
endif ()
|
|
else ()
|
|
set(LIBCXX_CXX_ABI_LIBNAME "${LIBCXX_CXX_ABI}")
|
|
endif ()
|
|
set(LIBCXX_CXX_ABI "${LIBCXX_CXX_ABI}" CACHE STRING
|
|
"Specify C++ ABI library to use." FORCE)
|
|
set_property(CACHE LIBCXX_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
|
|
|
|
#===============================================================================
|
|
# Configure System
|
|
#===============================================================================
|
|
|
|
set(LIBCXX_COMPILER ${CMAKE_CXX_COMPILER})
|
|
set(LIBCXX_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
|
|
set(LIBCXX_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
|
|
set(LIBCXX_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
|
|
|
|
# Declare libc++ configuration variables.
|
|
# They are intended for use as follows:
|
|
# LIBCXX_CXX_FLAGS: General flags for both the compiler and linker.
|
|
# LIBCXX_COMPILE_FLAGS: Compile only flags.
|
|
# LIBCXX_LINK_FLAGS: Linker only flags.
|
|
set(LIBCXX_CXX_FLAGS "")
|
|
set(LIBCXX_COMPILE_FLAGS "")
|
|
set(LIBCXX_LINK_FLAGS "")
|
|
|
|
# Configure compiler.
|
|
include(config-ix)
|
|
# Configure ABI library
|
|
include(HandleLibCXXABI)
|
|
|
|
#===============================================================================
|
|
# Setup Compiler Flags
|
|
#===============================================================================
|
|
|
|
# Get required flags.
|
|
# On all systems the system c++ standard library headers need to be excluded.
|
|
if (MSVC)
|
|
# MSVC only has -X, which disables all default includes; including the crt.
|
|
# Thus, we do nothing and hope we don't accidentally include any of the C++
|
|
# headers.
|
|
else()
|
|
if (LIBCXX_HAS_NOSTDINCXX_FLAG)
|
|
list(APPEND LIBCXX_COMPILE_FLAGS -nostdinc++)
|
|
string(REPLACE "-stdlib=libc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
string(REPLACE "-stdlib=libstdc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
|
endif()
|
|
# If c++1y has been enabled then attempt to use it. Fail if it is no supported
|
|
# by the compiler. Otherwise choose c++11 and ensure the compiler supports it.
|
|
if (LIBCXX_ENABLE_CXX1Y)
|
|
if (LIBCXX_HAS_STDCXX1Y_FLAG)
|
|
set(LIBCXX_STD_VERSION c++1y)
|
|
else()
|
|
message(FATAL_ERROR "c++1y was enabled but the compiler does not support it.")
|
|
endif()
|
|
else()
|
|
if (LIBCXX_HAS_STDCXX11_FLAG)
|
|
set(LIBCXX_STD_VERSION c++11)
|
|
else()
|
|
message(FATAL_ERROR "c++11 is required by libc++ but is not supported by the compiler")
|
|
endif()
|
|
endif()
|
|
# LIBCXX_STD_VERSION should always be set at this point.
|
|
list(APPEND LIBCXX_CXX_FLAGS "-std=${LIBCXX_STD_VERSION}")
|
|
endif()
|
|
|
|
macro(append_if list condition var)
|
|
if (${condition})
|
|
list(APPEND ${list} ${var})
|
|
endif()
|
|
endmacro()
|
|
|
|
# Get warning flags
|
|
if (NOT MSVC)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WALL_FLAG -Wall)
|
|
list(APPEND LIBCXX_COMPILE_FLAGS -Werror=return-type)
|
|
endif()
|
|
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_W_FLAG -W)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WNO_UNUSED_PARAMETER_FLAG -Wno-unused-parameter)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WNO_LONG_LONG_FLAG -Wno-long-long)
|
|
if (LIBCXX_ENABLE_WERROR)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WERROR_FLAG -Werror)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WX_FLAG -WX)
|
|
else()
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WNO_ERROR_FLAG -Wno-error)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_NO_WX_FLAG -WX-)
|
|
endif()
|
|
if (LIBCXX_ENABLE_PEDANTIC)
|
|
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_PEDANTIC_FLAG -pedantic)
|
|
endif()
|
|
|
|
# Get feature flags.
|
|
# Exceptions
|
|
if (LIBCXX_ENABLE_EXCEPTIONS)
|
|
# Catches C++ exceptions only and tells the compiler to assume that extern C
|
|
# functions never throw a C++ exception.
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_EHSC_FLAG -EHsc)
|
|
else()
|
|
list(APPEND LIBCXX_CXX_FLAGS -D_LIBCPP_NO_EXCEPTIONS)
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_NO_EHS_FLAG -EHs-)
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_NO_EHA_FLAG -EHa-)
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions)
|
|
endif()
|
|
# RTTI
|
|
if (NOT LIBCXX_ENABLE_RTTI)
|
|
list(APPEND LIBCXX_CXX_FLAGS -D_LIBCPP_NO_RTTI)
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_NO_GR_FLAG -GR-)
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_FNO_RTTI_FLAG -fno-rtti)
|
|
endif()
|
|
# Assert
|
|
string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
|
|
if (LIBCXX_ENABLE_ASSERTIONS)
|
|
# MSVC doesn't like _DEBUG on release builds. See PR 4379.
|
|
if (NOT MSVC)
|
|
list(APPEND LIBCXX_COMPILE_FLAGS -D_DEBUG)
|
|
endif()
|
|
# On Release builds cmake automatically defines NDEBUG, so we
|
|
# explicitly undefine it:
|
|
if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
|
|
list(APPEND LIBCXX_COMPILE_FLAGS -UNDEBUG)
|
|
endif()
|
|
else()
|
|
if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
|
|
list(APPEND LIBCXX_COMPILE_FLAGS -DNDEBUG)
|
|
endif()
|
|
endif()
|
|
# Static library
|
|
if (NOT LIBCXX_ENABLE_SHARED)
|
|
list(APPEND LIBCXX_COMPILE_FLAGS -D_LIBCPP_BUILD_STATIC)
|
|
endif()
|
|
|
|
if (CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32)
|
|
if (LIBCXX_BUILD_32_BITS)
|
|
message(STATUS "Building 32 bits executables and libraries.")
|
|
list(APPEND LIBCXX_CXX_FLAGS "-m32")
|
|
endif()
|
|
elseif(LIBCXX_BUILD_32_BITS)
|
|
message(FATAL_ERROR "LIBCXX_BUILD_32_BITS=ON is not supported on this platform.")
|
|
endif()
|
|
# This is the _ONLY_ place where add_definitions is called.
|
|
if (MSVC)
|
|
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
|
|
endif()
|
|
|
|
# LIBCXX_ENABLE_THREADS configuration
|
|
if (NOT LIBCXX_ENABLE_THREADS)
|
|
add_definitions(-D_LIBCPP_HAS_NO_THREADS)
|
|
if (NOT LIBCXX_ENABLE_MONOTONIC_CLOCK)
|
|
add_definitions(-D_LIBCPP_HAS_NO_MONOTONIC_CLOCK)
|
|
endif()
|
|
# Ensure LIBCXX_ENABLE_MONOTONIC_CLOCK is set to ON.
|
|
elseif(NOT LIBCXX_ENABLE_MONOTONIC_CLOCK)
|
|
message(FATAL_ERROR "LIBCXX_ENABLE_MONOTONIC_CLOCK can only be set to OFF"
|
|
" when LIBCXX_ENABLE_THREADS is also set to OFF.")
|
|
endif()
|
|
|
|
# Configure for sanitizers. If LIBCXX_BUILT_STANDALONE then we have to do
|
|
# the flag translation ourselves. Othewise LLVM's CMakeList.txt will handle it.
|
|
if (LIBCXX_BUILT_STANDALONE)
|
|
# NOTE: LLVM_USE_SANITIZER checks for a UNIX like system instead of MSVC.
|
|
# But we don't have LLVM_ON_UNIX so checking for MSVC is the best we can do.
|
|
if (LLVM_USE_SANITIZER AND NOT MSVC)
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_FNO_OMIT_FRAME_POINTER_FLAG
|
|
"-fno-omit-frame-pointer")
|
|
if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" AND
|
|
NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_GLINE_TABLES_ONLY_FLAG
|
|
"-gline-tables-only")
|
|
endif()
|
|
if (LLVM_USE_SANITIZER STREQUAL "Address")
|
|
list(APPEND LIBCXX_CXX_FLAGS "-fsanitize=address")
|
|
elseif (LLVM_USE_SANITIZER MATCHES "Memory(WithOrigins)?")
|
|
list(APPEND LIBCXX_CXX_FLAGS "-fsanitize=memory")
|
|
if (LLVM_USE_SANITIZER STREQUAL "MemoryWithOrigins")
|
|
list(APPEND LIBCXX_CXX_FLAGS "-fsanitize-memory-track-origins")
|
|
endif()
|
|
elseif (LLVM_USE_SANITIZER STREQUAL "Undefined")
|
|
list(APPEND LIBCXX_CXX_FLAGS
|
|
"-fsanitize=undefined -fno-sanitize=vptr,function -fno-sanitize-recover")
|
|
elseif (LLVM_USE_SANITIZER STREQUAL "Thread")
|
|
list(APPEND LIBCXX_CXX_FLAGS "-fsanitize=thread")
|
|
else()
|
|
message(WARNING "Unsupported value of LLVM_USE_SANITIZER: ${LLVM_USE_SANITIZER}")
|
|
endif()
|
|
elseif(MSVC)
|
|
message(WARNING "LLVM_USE_SANITIZER is not supported with MSVC")
|
|
endif()
|
|
endif()
|
|
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_TARGET_TRIPLE
|
|
"-target ${LIBCXX_TARGET_TRIPLE}")
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_SYSROOT "--sysroot ${LIBCXX_SYSROOT}")
|
|
append_if(LIBCXX_CXX_FLAGS LIBCXX_GCC_TOOLCHAIN
|
|
"-gcc-toolchain ${LIBCXX_GCC_TOOLCHAIN}")
|
|
|
|
string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS}")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXX_CXX_FLAGS}")
|
|
|
|
#===============================================================================
|
|
# Setup Source Code
|
|
#===============================================================================
|
|
|
|
include_directories(include)
|
|
add_subdirectory(include)
|
|
|
|
# Add source code. This also contains all of the logic for deciding linker flags
|
|
# soname, etc...
|
|
add_subdirectory(lib)
|
|
|
|
#===============================================================================
|
|
# Setup Tests
|
|
#===============================================================================
|
|
|
|
add_subdirectory(test)
|