Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -40,47 +40,20 @@
endif()
endif()
-# Top level target used to build all compiler-rt libraries.
-add_custom_target(compiler-rt ALL)
+# Add path for custom compiler-rt modules.
+list(INSERT CMAKE_MODULE_PATH 0
+ "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
+ "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
+ )
+
+include(base-config-ix)
option(COMPILER_RT_BUILD_BUILTINS "Build builtins" ON)
mark_as_advanced(COMPILER_RT_BUILD_BUILTINS)
option(COMPILER_RT_BUILD_SANITIZERS "Build sanitizers" ON)
mark_as_advanced(COMPILER_RT_BUILD_SANITIZERS)
-if (NOT COMPILER_RT_STANDALONE_BUILD)
- # Compute the Clang version from the LLVM version.
- # FIXME: We should be able to reuse CLANG_VERSION variable calculated
- # in Clang cmake files, instead of copying the rules here.
- string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
- ${PACKAGE_VERSION})
- # Setup the paths where compiler-rt runtimes and headers should be stored.
- set(COMPILER_RT_OUTPUT_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION})
- set(COMPILER_RT_EXEC_OUTPUT_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
- set(COMPILER_RT_INSTALL_PATH lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
- option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests."
- ${LLVM_INCLUDE_TESTS})
- option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered"
- ${LLVM_ENABLE_WERROR})
- # Use just-built Clang to compile/link tests on all platforms, except for
- # Windows where we need to use clang-cl instead.
- if(NOT MSVC)
- set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
- else()
- set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang.exe)
- endif()
-else()
- # Take output dir and install path from the user.
- set(COMPILER_RT_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH
- "Path where built compiler-rt libraries should be stored.")
- set(COMPILER_RT_EXEC_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}/bin CACHE PATH
- "Path where built compiler-rt executables should be stored.")
- set(COMPILER_RT_INSTALL_PATH ${CMAKE_INSTALL_PREFIX} CACHE PATH
- "Path where built compiler-rt libraries should be installed.")
- option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests." OFF)
- option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered" OFF)
- # Use a host compiler to compile/link tests.
- set(COMPILER_RT_TEST_COMPILER ${CMAKE_C_COMPILER} CACHE PATH "Compiler to use for testing")
+if (COMPILER_RT_STANDALONE_BUILD)
if (NOT LLVM_CONFIG_PATH)
find_program(LLVM_CONFIG_PATH "llvm-config"
@@ -129,14 +102,6 @@
set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
endif()
-if("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang[+]*$")
- set(COMPILER_RT_TEST_COMPILER_ID Clang)
-elseif("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang.*.exe$")
- set(COMPILER_RT_TEST_COMPILER_ID Clang)
-else()
- set(COMPILER_RT_TEST_COMPILER_ID GNU)
-endif()
-
set(COMPILER_RT_DEFAULT_TARGET_TRIPLE ${TARGET_TRIPLE} CACHE STRING
"Default triple for which compiler-rt runtimes will be built.")
if(DEFINED COMPILER_RT_TEST_TARGET_TRIPLE)
@@ -156,23 +121,6 @@
else()
set(COMPILER_RT_HAS_EXPLICIT_DEFAULT_TARGET_TRIPLE FALSE)
endif()
-
-if ("${COMPILER_RT_DEFAULT_TARGET_ABI}" STREQUAL "androideabi")
- set(ANDROID 1)
-endif()
-
-string(TOLOWER ${CMAKE_SYSTEM_NAME} COMPILER_RT_OS_DIR)
-set(COMPILER_RT_LIBRARY_OUTPUT_DIR
- ${COMPILER_RT_OUTPUT_DIR}/lib/${COMPILER_RT_OS_DIR})
-set(COMPILER_RT_LIBRARY_INSTALL_DIR
- ${COMPILER_RT_INSTALL_PATH}/lib/${COMPILER_RT_OS_DIR})
-
-# Add path for custom compiler-rt modules.
-set(CMAKE_MODULE_PATH
- "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
- "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
- ${CMAKE_MODULE_PATH}
- )
include(CompilerRTUtils)
set(COMPILER_RT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
@@ -318,6 +266,8 @@
add_subdirectory(lib)
if(COMPILER_RT_INCLUDE_TESTS)
+ # Building the tests requires LLVM's CMake modules for lit support
+ include(AddLLVM)
add_subdirectory(unittests)
add_subdirectory(test)
endif()
Index: cmake/Modules/AddCompilerRT.cmake
===================================================================
--- cmake/Modules/AddCompilerRT.cmake
+++ cmake/Modules/AddCompilerRT.cmake
@@ -1,4 +1,3 @@
-include(AddLLVM)
include(ExternalProject)
include(CompilerRTUtils)
Index: cmake/Modules/BuiltinTests.cmake
===================================================================
--- /dev/null
+++ cmake/Modules/BuiltinTests.cmake
@@ -0,0 +1,33 @@
+
+# This function takes an OS and a list of architectures and identifies the
+# subset of the architectures list that the installed toolchain can target.
+function(try_compile_only output)
+ set(SIMPLE_C ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/src.c)
+ file(WRITE ${SIMPLE_C} "int foo(int x, int y) { return x + y; }\n")
+
+ execute_process(
+ COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_FLAGS} "${ARGN}" -c ${SIMPLE_C}
+ RESULT_VARIABLE result
+ OUTPUT_VARIABLE TEST_OUTPUT
+ ERROR_VARIABLE TEST_ERROR
+ )
+ if(result EQUAL 0)
+ set(${output} True PARENT_SCOPE)
+ else()
+ file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Testing compiler for supporting ${ARGN}:\n"
+ "${TEST_OUTPUT}\n${TEST_ERROR}\n")
+ set(${output} False PARENT_SCOPE)
+ endif()
+endfunction()
+
+function(builtin_check_c_compiler_flag flag output)
+ message(STATUS "Performing Test ${output}")
+ try_compile_only(result ${flag})
+ set(${output} ${result} PARENT_SCOPE)
+ if(${result})
+ message(STATUS "Performing Test ${output} - Success")
+ else()
+ message(STATUS "Performing Test ${output} - Failed")
+ endif()
+endfunction()
Index: cmake/Modules/CompilerRTDarwinUtils.cmake
===================================================================
--- cmake/Modules/CompilerRTDarwinUtils.cmake
+++ cmake/Modules/CompilerRTDarwinUtils.cmake
@@ -1,3 +1,5 @@
+include(CMakeParseArguments)
+
# On OS X SDKs can be installed anywhere on the base system and xcode-select can
# set the default Xcode to use. This function finds the SDKs that are present in
# the current Xcode.
@@ -88,6 +90,36 @@
CACHE STRING "List of valid architectures for platform ${os}.")
endfunction()
+# This function takes an OS and a list of architectures and identifies the
+# subset of the architectures list that the installed toolchain can target.
+# This variant of the function is specifically for generating builtin libraries
+# where we don't need a fully functioning sysroot.
+function(darwin_builtin_test_archs os valid_archs)
+ if(${valid_archs})
+ message(STATUS "Using cached valid architectures for ${os}.")
+ return()
+ endif()
+
+ set(archs ${ARGN})
+
+ # The simple program will build for x86_64h on the simulator because it is
+ # compatible with x86_64 libraries (mostly), but since x86_64h isn't actually
+ # a valid or useful architecture for the iOS simulator we should drop it.
+ if(${os} STREQUAL "iossim")
+ list(REMOVE_ITEM archs "x86_64h")
+ endif()
+
+ set(working_archs)
+ foreach(arch ${archs})
+ set(arch_linker_flags "-arch ${arch} ${os_linker_flags}")
+ try_compile_only(CAN_TARGET_${os}_${arch} -v -arch ${arch} ${DARWIN_${os}_CFLAGS})
+ if(CAN_TARGET_${os}_${arch})
+ list(APPEND working_archs ${arch})
+ endif()
+ endforeach()
+ set(${valid_archs} ${working_archs} PARENT_SCOPE)
+endfunction()
+
# This function checks the host cpusubtype to see if it is post-haswell. Haswell
# and later machines can run x86_64h binaries. Haswell is cpusubtype 8.
function(darwin_filter_host_archs input output)
Index: cmake/Modules/CompilerRTUtils.cmake
===================================================================
--- cmake/Modules/CompilerRTUtils.cmake
+++ cmake/Modules/CompilerRTUtils.cmake
@@ -1,3 +1,6 @@
+include(CMakePushCheckState)
+include(CheckSymbolExists)
+
# Because compiler-rt spends a lot of time setting up custom compile flags,
# define a handy helper function for it. The compile flags setting in CMake
# has serious issues that make its syntax challenging at best.
@@ -67,3 +70,28 @@
endif()
endforeach()
endmacro()
+
+# Takes ${ARGN} and puts only supported architectures in @out_var list.
+function(filter_available_targets out_var)
+ set(archs ${${out_var}})
+ foreach(arch ${ARGN})
+ list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX)
+ if(NOT (ARCH_INDEX EQUAL -1) AND CAN_TARGET_${arch})
+ list(APPEND archs ${arch})
+ endif()
+ endforeach()
+ set(${out_var} ${archs} PARENT_SCOPE)
+endfunction()
+
+function(check_compile_definition def argstring out_var)
+ if("${def}" STREQUAL "")
+ set(${out_var} TRUE PARENT_SCOPE)
+ return()
+ endif()
+ cmake_push_check_state()
+ set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${argstring}")
+ check_symbol_exists(${def} "" ${out_var})
+ cmake_pop_check_state()
+endfunction()
+
+
Index: cmake/base-config-ix.cmake
===================================================================
--- /dev/null
+++ cmake/base-config-ix.cmake
@@ -0,0 +1,156 @@
+# The CompilerRT build system requires CMake version 2.8.8 or higher in order
+# to use its support for building convenience "libraries" as a collection of
+# .o files. This is particularly useful in producing larger, more complex
+# runtime libraries.
+
+# Top level target used to build all compiler-rt libraries.
+add_custom_target(compiler-rt ALL)
+
+if (NOT COMPILER_RT_STANDALONE_BUILD)
+ # Compute the Clang version from the LLVM version.
+ # FIXME: We should be able to reuse CLANG_VERSION variable calculated
+ # in Clang cmake files, instead of copying the rules here.
+ string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
+ ${PACKAGE_VERSION})
+ # Setup the paths where compiler-rt runtimes and headers should be stored.
+ set(COMPILER_RT_OUTPUT_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION})
+ set(COMPILER_RT_EXEC_OUTPUT_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
+ set(COMPILER_RT_INSTALL_PATH lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
+ option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests."
+ ${LLVM_INCLUDE_TESTS})
+ option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered"
+ ${LLVM_ENABLE_WERROR})
+ # Use just-built Clang to compile/link tests on all platforms, except for
+ # Windows where we need to use clang-cl instead.
+ if(NOT MSVC)
+ set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
+ else()
+ set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang.exe)
+ endif()
+else()
+ # Take output dir and install path from the user.
+ set(COMPILER_RT_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH
+ "Path where built compiler-rt libraries should be stored.")
+ set(COMPILER_RT_EXEC_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}/bin CACHE PATH
+ "Path where built compiler-rt executables should be stored.")
+ set(COMPILER_RT_INSTALL_PATH ${CMAKE_INSTALL_PREFIX} CACHE PATH
+ "Path where built compiler-rt libraries should be installed.")
+ option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests." OFF)
+ option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered" OFF)
+ # Use a host compiler to compile/link tests.
+ set(COMPILER_RT_TEST_COMPILER ${CMAKE_C_COMPILER} CACHE PATH "Compiler to use for testing")
+endif()
+
+if("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang[+]*$")
+ set(COMPILER_RT_TEST_COMPILER_ID Clang)
+elseif("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang.*.exe$")
+ set(COMPILER_RT_TEST_COMPILER_ID Clang)
+else()
+ set(COMPILER_RT_TEST_COMPILER_ID GNU)
+endif()
+
+if ("${COMPILER_RT_DEFAULT_TARGET_ABI}" STREQUAL "androideabi")
+ set(ANDROID 1)
+endif()
+
+string(TOLOWER ${CMAKE_SYSTEM_NAME} COMPILER_RT_OS_DIR)
+set(COMPILER_RT_LIBRARY_OUTPUT_DIR
+ ${COMPILER_RT_OUTPUT_DIR}/lib/${COMPILER_RT_OS_DIR})
+set(COMPILER_RT_LIBRARY_INSTALL_DIR
+ ${COMPILER_RT_INSTALL_PATH}/lib/${COMPILER_RT_OS_DIR})
+
+if(APPLE)
+ option(COMPILER_RT_ENABLE_IOS "Enable building for iOS - Experimental" Off)
+ option(COMPILER_RT_ENABLE_WATCHOS "Enable building for watchOS - Experimental" Off)
+ option(COMPILER_RT_ENABLE_TVOS "Enable building for tvOS - Experimental" Off)
+endif()
+
+# test_target_arch(<arch> <def> <target flags...>)
+# Checks if architecture is supported: runs host compiler with provided
+# flags to verify that:
+# 1) <def> is defined (if non-empty)
+# 2) simple file can be successfully built.
+# If successful, saves target flags for this architecture.
+macro(test_target_arch arch def)
+ set(TARGET_${arch}_CFLAGS ${ARGN})
+ set(argstring "")
+ foreach(arg ${ARGN})
+ set(argstring "${argstring} ${arg}")
+ endforeach()
+ check_compile_definition("${def}" "${argstring}" HAS_${arch}_DEF)
+ if(NOT HAS_${arch}_DEF)
+ set(CAN_TARGET_${arch} FALSE)
+ elseif(TEST_COMPILE_ONLY)
+ set(argstring "${CMAKE_EXE_LINKER_FLAGS} ${argstring}")
+ try_compile_only(CAN_TARGET_${arch} ${TARGET_${arch}_CFLAGS})
+ else()
+ set(argstring "${CMAKE_EXE_LINKER_FLAGS} ${argstring}")
+ try_compile(CAN_TARGET_${arch} ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE}
+ COMPILE_DEFINITIONS "${TARGET_${arch}_CFLAGS}"
+ OUTPUT_VARIABLE TARGET_${arch}_OUTPUT
+ CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${argstring}")
+ endif()
+ if(${CAN_TARGET_${arch}})
+ list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "${arch}" AND
+ COMPILER_RT_HAS_EXPLICIT_DEFAULT_TARGET_TRIPLE)
+ # Bail out if we cannot target the architecture we plan to test.
+ message(FATAL_ERROR "Cannot compile for ${arch}:\n${TARGET_${arch}_OUTPUT}")
+ endif()
+endmacro()
+
+macro(test_targets)
+ # Generate the COMPILER_RT_SUPPORTED_ARCH list.
+ if(ANDROID)
+ # Examine compiler output to determine target architecture.
+ detect_target_arch()
+ set(COMPILER_RT_OS_SUFFIX "-android")
+ elseif(NOT APPLE) # Supported archs for Apple platforms are generated later
+ if("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "i[2-6]86|x86|amd64")
+ if(NOT MSVC)
+ test_target_arch(x86_64 "" "-m64")
+ # FIXME: We build runtimes for both i686 and i386, as "clang -m32" may
+ # target different variant than "$CMAKE_C_COMPILER -m32". This part should
+ # be gone after we resolve PR14109.
+ test_target_arch(i686 __i686__ "-m32")
+ test_target_arch(i386 __i386__ "-m32")
+ else()
+ if (CMAKE_SIZEOF_VOID_P EQUAL 4)
+ test_target_arch(i386 "" "")
+ else()
+ test_target_arch(x86_64 "" "")
+ endif()
+ endif()
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
+ TEST_BIG_ENDIAN(HOST_IS_BIG_ENDIAN)
+ if(HOST_IS_BIG_ENDIAN)
+ test_target_arch(powerpc64 "" "-m64")
+ else()
+ test_target_arch(powerpc64le "" "-m64")
+ endif()
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "mipsel|mips64el")
+ # Gcc doesn't accept -m32/-m64 so we do the next best thing and use
+ # -mips32r2/-mips64r2. We don't use -mips1/-mips3 because we want to match
+ # clang's default CPU's. In the 64-bit case, we must also specify the ABI
+ # since the default ABI differs between gcc and clang.
+ # FIXME: Ideally, we would build the N32 library too.
+ test_target_arch(mipsel "" "-mips32r2" "--target=mipsel-linux-gnu")
+ test_target_arch(mips64el "" "-mips64r2" "--target=mips64el-linux-gnu" "-mabi=n64")
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "mips")
+ test_target_arch(mips "" "-mips32r2" "--target=mips-linux-gnu")
+ test_target_arch(mips64 "" "-mips64r2" "--target=mips64-linux-gnu" "-mabi=n64")
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "arm")
+ test_target_arch(arm "" "-march=armv7-a" "-mfloat-abi=soft" "-target=arm")
+ test_target_arch(armhf "" "-march=armv7-a" "-mfloat-abi=hard" "-target=arm")
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch32")
+ test_target_arch(aarch32 "" "-march=armv8-a" "-target" "arm")
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch64")
+ test_target_arch(aarch64 "" "-march=armv8-a" "-target" "aarch64")
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "wasm32")
+ test_target_arch(wasm32 "" "--target=wasm32-unknown-unknown")
+ elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "wasm64")
+ test_target_arch(wasm64 "" "--target=wasm64-unknown-unknown")
+ endif()
+ set(COMPILER_RT_OS_SUFFIX "")
+ endif()
+endmacro()
Index: cmake/builtin-config-ix.cmake
===================================================================
--- /dev/null
+++ cmake/builtin-config-ix.cmake
@@ -0,0 +1,182 @@
+include(BuiltinTests)
+
+builtin_check_c_compiler_flag(-fPIC COMPILER_RT_HAS_FPIC_FLAG)
+builtin_check_c_compiler_flag(-fPIE COMPILER_RT_HAS_FPIE_FLAG)
+builtin_check_c_compiler_flag(-fno-builtin COMPILER_RT_HAS_FNO_BUILTIN_FLAG)
+builtin_check_c_compiler_flag(-std=c99 COMPILER_RT_HAS_STD_C99_FLAG)
+builtin_check_c_compiler_flag(-fvisibility=hidden COMPILER_RT_HAS_VISIBILITY_HIDDEN_FLAG)
+builtin_check_c_compiler_flag(-fomit-frame-pointer COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG)
+builtin_check_c_compiler_flag(-ffreestanding COMPILER_RT_HAS_FREESTANDING_FLAG)
+builtin_check_c_compiler_flag(-mfloat-abi=soft COMPILER_RT_HAS_FLOAT_ABI_SOFT_FLAG)
+builtin_check_c_compiler_flag(-mfloat-abi=hard COMPILER_RT_HAS_FLOAT_ABI_HARD_FLAG)
+builtin_check_c_compiler_flag(-static COMPILER_RT_HAS_STATIC_FLAG)
+
+set(ARM64 aarch64)
+set(ARM32 arm armhf)
+set(X86 i386 i686)
+set(X86_64 x86_64)
+set(MIPS32 mips mipsel)
+set(MIPS64 mips64 mips64el)
+set(PPC64 powerpc64 powerpc64le)
+set(WASM32 wasm32)
+set(WASM64 wasm64)
+
+if(APPLE)
+ set(ARM64 arm64)
+ set(ARM32 armv7 armv7s)
+ set(X86_64 x86_64 x86_64h)
+endif()
+
+set(ALL_BUILTIN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
+ ${MIPS32} ${MIPS64} ${WASM32} ${WASM64})
+
+include(CompilerRTUtils)
+include(CompilerRTDarwinUtils)
+
+if(APPLE)
+ # On Darwin if /usr/include doesn't exist, the user probably has Xcode but not
+ # the command line tools. If this is the case, we need to find the OS X
+ # sysroot to pass to clang.
+ if(NOT EXISTS /usr/include)
+ execute_process(COMMAND xcodebuild -version -sdk macosx Path
+ OUTPUT_VARIABLE OSX_SYSROOT
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+ set(OSX_SYSROOT_FLAG "-isysroot${OSX_SYSROOT}")
+ endif()
+
+ option(COMPILER_RT_ENABLE_IOS "Enable building for iOS - Experimental" Off)
+ option(COMPILER_RT_ENABLE_WATCHOS "Enable building for watchOS - Experimental" Off)
+ option(COMPILER_RT_ENABLE_TVOS "Enable building for tvOS - Experimental" Off)
+
+ find_darwin_sdk_dir(DARWIN_osx_SYSROOT macosx)
+ find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
+ find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
+ find_darwin_sdk_dir(DARWIN_watchossim_SYSROOT watchsimulator)
+ find_darwin_sdk_dir(DARWIN_watchos_SYSROOT watchos)
+ find_darwin_sdk_dir(DARWIN_tvossim_SYSROOT appletvsimulator)
+ find_darwin_sdk_dir(DARWIN_tvos_SYSROOT appletvos)
+
+ set(DARWIN_EMBEDDED_PLATFORMS)
+
+ if(COMPILER_RT_ENABLE_IOS)
+ list(APPEND DARWIN_EMBEDDED_PLATFORMS ios)
+ set(DARWIN_ios_MIN_VER_FLAG -miphoneos-version-min)
+ set(DARWIN_ios_BUILTIN_MIN_VER 6.0)
+ set(DARWIN_ios_BUILTIN_MIN_VER_FLAG
+ ${DARWIN_ios_MIN_VER_FLAG}=${DARWIN_ios_BUILTIN_MIN_VER})
+ endif()
+ if(COMPILER_RT_ENABLE_WATCHOS)
+ list(APPEND DARWIN_EMBEDDED_PLATFORMS watchos)
+ set(DARWIN_watchos_MIN_VER_FLAG -mwatchos-version-min)
+ set(DARWIN_watchos_BUILTIN_MIN_VER 2.0)
+ set(DARWIN_watchos_BUILTIN_MIN_VER_FLAG
+ ${DARWIN_watchos_MIN_VER_FLAG}=${DARWIN_watchos_BUILTIN_MIN_VER})
+ endif()
+ if(COMPILER_RT_ENABLE_TVOS)
+ list(APPEND DARWIN_EMBEDDED_PLATFORMS tvos)
+ set(DARWIN_tvos_MIN_VER_FLAG -mtvos-version-min)
+ set(DARWIN_tvos_BUILTIN_MIN_VER 9.0)
+ set(DARWIN_tvos_BUILTIN_MIN_VER_FLAG
+ ${DARWIN_tvos_MIN_VER_FLAG}=${DARWIN_tvos_BUILTIN_MIN_VER})
+ endif()
+
+ set(BUILTIN_SUPPORTED_OS osx)
+
+ # We're setting the flag manually for each target OS
+ set(CMAKE_OSX_DEPLOYMENT_TARGET "")
+
+ if(NOT DARWIN_osx_ARCHS)
+ set(DARWIN_osx_ARCHS i386 x86_64 x86_64h)
+ endif()
+
+ set(DARWIN_sim_ARCHS i386 x86_64)
+ set(DARWIN_device_ARCHS armv7 armv7s armv7k arm64)
+
+ message(STATUS "OSX supported arches: ${DARWIN_osx_ARCHS}")
+ foreach(arch ${DARWIN_osx_ARCHS})
+ list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
+ set(CAN_TARGET_${arch} 1)
+ endforeach()
+
+ # Need to build a 10.4 compatible libclang_rt
+ set(DARWIN_10.4_SYSROOT ${DARWIN_osx_SYSROOT})
+ set(DARWIN_10.4_BUILTIN_MIN_VER 10.4)
+ set(DARWIN_10.4_BUILTIN_MIN_VER_FLAG
+ -mmacosx-version-min=${DARWIN_10.4_BUILTIN_MIN_VER})
+ set(DARWIN_10.4_SKIP_CC_KEXT On)
+ darwin_builtin_test_archs(10.4 DARWIN_10.4_ARCHS i386 x86_64)
+ message(STATUS "OSX 10.4 supported builtin arches: ${DARWIN_10.4_ARCHS}")
+ if(DARWIN_10.4_ARCHS)
+ # don't include the Haswell slice in the 10.4 compatibility library
+ list(REMOVE_ITEM DARWIN_10.4_ARCHS x86_64h)
+ list(APPEND BUILTIN_SUPPORTED_OS 10.4)
+ endif()
+
+ foreach(platform ${DARWIN_EMBEDDED_PLATFORMS})
+
+ if(DARWIN_${platform}sim_SYSROOT)
+ set(DARWIN_${platform}sim_BUILTIN_MIN_VER
+ ${DARWIN_${platform}_BUILTIN_MIN_VER})
+ set(DARWIN_${platform}sim_BUILTIN_MIN_VER_FLAG
+ ${DARWIN_${platform}_BUILTIN_MIN_VER_FLAG})
+
+ set(DARWIN_${platform}sim_SKIP_CC_KEXT On)
+
+ set(test_arches ${DARWIN_sim_ARCHS})
+ if(DARWIN_${platform}sim_ARCHS)
+ set(test_arches DARWIN_${platform}sim_ARCHS)
+ endif()
+
+ darwin_builtin_test_archs(${platform}sim
+ DARWIN_${platform}sim_ARCHS
+ ${test_arches})
+ message(STATUS "${platform} Simulator supported builtin arches: ${DARWIN_${platform}sim_ARCHS}")
+ if(DARWIN_iossim_ARCHS)
+ list(APPEND BUILTIN_SUPPORTED_OS ${platform}sim)
+ endif()
+ foreach(arch ${DARWIN_${platform}sim_ARCHS})
+ list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
+ set(CAN_TARGET_${arch} 1)
+ endforeach()
+ endif()
+
+ if(DARWIN_${platform}_SYSROOT)
+ set(test_arches ${DARWIN_device_ARCHS})
+ if(DARWIN_${platform}_ARCHS)
+ set(test_arches DARWIN_${platform}_ARCHS)
+ endif()
+
+ darwin_builtin_test_archs(${platform}
+ DARWIN_${platform}_ARCHS
+ ${test_arches})
+ message(STATUS "${platform} supported builtin arches: ${DARWIN_${platform}_ARCHS}")
+ if(DARWIN_${platform}_ARCHS)
+ list(APPEND BUILTIN_SUPPORTED_OS ${platform})
+ endif()
+ foreach(arch ${DARWIN_${platform}_ARCHS})
+ list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
+ set(CAN_TARGET_${arch} 1)
+ endforeach()
+ endif()
+ endforeach()
+
+ # for list_intersect
+ include(CompilerRTUtils)
+
+ list_intersect(BUILTIN_SUPPORTED_ARCH ALL_BUILTIN_SUPPORTED_ARCH COMPILER_RT_SUPPORTED_ARCH)
+
+else()
+ # If we're not building the builtins standalone, just rely on the tests in
+ # config-ix.cmake to tell us what to build. Otherwise we need to do some leg
+ # work here...
+ if(COMPILER_RT_BUILTINS_STANDALONE_BUILD)
+ set(TEST_COMPILE_ONLY On)
+ test_targets()
+ endif()
+ # Architectures supported by compiler-rt libraries.
+ filter_available_targets(BUILTIN_SUPPORTED_ARCH
+ ${ALL_BUILTIN_SUPPORTED_ARCH})
+endif()
+
+message(STATUS "Builtin supported architectures: ${BUILTIN_SUPPORTED_ARCH}")
Index: cmake/config-ix.cmake
===================================================================
--- cmake/config-ix.cmake
+++ cmake/config-ix.cmake
@@ -93,17 +93,6 @@
set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc)
file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <limits>\nint main() {}\n")
-function(check_compile_definition def argstring out_var)
- if("${def}" STREQUAL "")
- set(${out_var} TRUE PARENT_SCOPE)
- return()
- endif()
- cmake_push_check_state()
- set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${argstring}")
- check_symbol_exists(${def} "" ${out_var})
- cmake_pop_check_state()
-endfunction()
-
# test_target_arch(<arch> <def> <target flags...>)
# Checks if architecture is supported: runs host compiler with provided
# flags to verify that:
@@ -180,71 +169,7 @@
message(FATAL_ERROR "Please use architecture with 4 or 8 byte pointers.")
endif()
-# Generate the COMPILER_RT_SUPPORTED_ARCH list.
-if(ANDROID)
- # Examine compiler output to determine target architecture.
- detect_target_arch()
- set(COMPILER_RT_OS_SUFFIX "-android")
-elseif(NOT APPLE) # Supported archs for Apple platforms are generated later
- if("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "i[2-6]86|x86|amd64")
- if(NOT MSVC)
- test_target_arch(x86_64 "" "-m64")
- # FIXME: We build runtimes for both i686 and i386, as "clang -m32" may
- # target different variant than "$CMAKE_C_COMPILER -m32". This part should
- # be gone after we resolve PR14109.
- test_target_arch(i686 __i686__ "-m32")
- test_target_arch(i386 __i386__ "-m32")
- else()
- if (CMAKE_SIZEOF_VOID_P EQUAL 4)
- test_target_arch(i386 "" "")
- else()
- test_target_arch(x86_64 "" "")
- endif()
- endif()
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
- TEST_BIG_ENDIAN(HOST_IS_BIG_ENDIAN)
- if(HOST_IS_BIG_ENDIAN)
- test_target_arch(powerpc64 "" "-m64")
- else()
- test_target_arch(powerpc64le "" "-m64")
- endif()
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "mipsel|mips64el")
- # Gcc doesn't accept -m32/-m64 so we do the next best thing and use
- # -mips32r2/-mips64r2. We don't use -mips1/-mips3 because we want to match
- # clang's default CPU's. In the 64-bit case, we must also specify the ABI
- # since the default ABI differs between gcc and clang.
- # FIXME: Ideally, we would build the N32 library too.
- test_target_arch(mipsel "" "-mips32r2" "--target=mipsel-linux-gnu")
- test_target_arch(mips64el "" "-mips64r2" "--target=mips64el-linux-gnu" "-mabi=n64")
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "mips")
- test_target_arch(mips "" "-mips32r2" "--target=mips-linux-gnu")
- test_target_arch(mips64 "" "-mips64r2" "--target=mips64-linux-gnu" "-mabi=n64")
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "arm")
- test_target_arch(arm "" "-march=armv7-a" "-mfloat-abi=soft")
- test_target_arch(armhf "" "-march=armv7-a" "-mfloat-abi=hard")
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch32")
- test_target_arch(aarch32 "" "-march=armv8-a")
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch64")
- test_target_arch(aarch64 "" "-march=armv8-a")
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "wasm32")
- test_target_arch(wasm32 "" "--target=wasm32-unknown-unknown")
- elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "wasm64")
- test_target_arch(wasm64 "" "--target=wasm64-unknown-unknown")
- endif()
- set(COMPILER_RT_OS_SUFFIX "")
-endif()
-
-# Takes ${ARGN} and puts only supported architectures in @out_var list.
-function(filter_available_targets out_var)
- set(archs ${${out_var}})
- foreach(arch ${ARGN})
- list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX)
- if(NOT (ARCH_INDEX EQUAL -1) AND CAN_TARGET_${arch})
- list(APPEND archs ${arch})
- endif()
- endforeach()
- set(${out_var} ${archs} PARENT_SCOPE)
-endfunction()
+test_targets()
# Returns a list of architecture specific target cflags in @out_var list.
function(get_target_flags_for_arch arch out_var)
@@ -279,8 +204,6 @@
set(X86_64 x86_64 x86_64h)
endif()
-set(ALL_BUILTIN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
- ${MIPS32} ${MIPS64} ${WASM32} ${WASM64})
set(ALL_SANITIZER_COMMON_SUPPORTED_ARCH ${X86} ${X86_64} ${PPC64}
${ARM32} ${ARM64} ${MIPS32} ${MIPS64})
set(ALL_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
@@ -310,10 +233,6 @@
set(OSX_SYSROOT_FLAG "-isysroot${OSX_SYSROOT}")
endif()
- option(COMPILER_RT_ENABLE_IOS "Enable building for iOS - Experimental" Off)
- option(COMPILER_RT_ENABLE_WATCHOS "Enable building for watchOS - Experimental" Off)
- option(COMPILER_RT_ENABLE_TVOS "Enable building for tvOS - Experimental" Off)
-
find_darwin_sdk_dir(DARWIN_osx_SYSROOT macosx)
find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
@@ -327,33 +246,23 @@
set(DARWIN_ios_MIN_VER_FLAG -miphoneos-version-min)
set(DARWIN_ios_SANITIZER_MIN_VER_FLAG
${DARWIN_ios_MIN_VER_FLAG}=7.0)
- set(DARWIN_ios_BUILTIN_MIN_VER 6.0)
- set(DARWIN_ios_BUILTIN_MIN_VER_FLAG
- ${DARWIN_ios_MIN_VER_FLAG}=${DARWIN_ios_BUILTIN_MIN_VER})
endif()
if(COMPILER_RT_ENABLE_WATCHOS)
list(APPEND DARWIN_EMBEDDED_PLATFORMS watchos)
set(DARWIN_watchos_MIN_VER_FLAG -mwatchos-version-min)
set(DARWIN_watchos_SANITIZER_MIN_VER_FLAG
${DARWIN_watchos_MIN_VER_FLAG}=2.0)
- set(DARWIN_watchos_BUILTIN_MIN_VER 2.0)
- set(DARWIN_watchos_BUILTIN_MIN_VER_FLAG
- ${DARWIN_watchos_MIN_VER_FLAG}=${DARWIN_watchos_BUILTIN_MIN_VER})
endif()
if(COMPILER_RT_ENABLE_TVOS)
list(APPEND DARWIN_EMBEDDED_PLATFORMS tvos)
set(DARWIN_tvos_MIN_VER_FLAG -mtvos-version-min)
set(DARWIN_tvos_SANITIZER_MIN_VER_FLAG
${DARWIN_tvos_MIN_VER_FLAG}=9.0)
- set(DARWIN_tvos_BUILTIN_MIN_VER 9.0)
- set(DARWIN_tvos_BUILTIN_MIN_VER_FLAG
- ${DARWIN_tvos_MIN_VER_FLAG}=${DARWIN_tvos_BUILTIN_MIN_VER})
endif()
# Note: In order to target x86_64h on OS X the minimum deployment target must
# be 10.8 or higher.
set(SANITIZER_COMMON_SUPPORTED_OS osx)
- set(BUILTIN_SUPPORTED_OS osx)
set(PROFILE_SUPPORTED_OS osx)
set(TSAN_SUPPORTED_OS osx)
if(NOT SANITIZER_MIN_OSX_VERSION)
@@ -391,9 +300,6 @@
set(DARWIN_osx_LINKFLAGS
${DARWIN_COMMON_LINKFLAGS}
-mmacosx-version-min=${SANITIZER_MIN_OSX_VERSION})
- set(DARWIN_osx_BUILTIN_MIN_VER 10.5)
- set(DARWIN_osx_BUILTIN_MIN_VER_FLAG
- -mmacosx-version-min=${DARWIN_osx_BUILTIN_MIN_VER})
if(DARWIN_osx_SYSROOT)
list(APPEND DARWIN_osx_CFLAGS -isysroot ${DARWIN_osx_SYSROOT})
@@ -414,22 +320,6 @@
set(CAN_TARGET_${arch} 1)
endforeach()
- # Need to build a 10.4 compatible libclang_rt
- set(DARWIN_10.4_SYSROOT ${DARWIN_osx_SYSROOT})
- set(DARWIN_10.4_BUILTIN_MIN_VER 10.4)
- set(DARWIN_10.4_BUILTIN_MIN_VER_FLAG
- -mmacosx-version-min=${DARWIN_10.4_BUILTIN_MIN_VER})
- set(DARWIN_10.4_SKIP_CC_KEXT On)
- darwin_test_archs(10.4
- DARWIN_10.4_ARCHS
- ${toolchain_arches})
- message(STATUS "OSX 10.4 supported arches: ${DARWIN_10.4_ARCHS}")
- if(DARWIN_10.4_ARCHS)
- # don't include the Haswell slice in the 10.4 compatibility library
- list(REMOVE_ITEM DARWIN_10.4_ARCHS x86_64h)
- list(APPEND BUILTIN_SUPPORTED_OS 10.4)
- endif()
-
foreach(platform ${DARWIN_EMBEDDED_PLATFORMS})
if(DARWIN_${platform}sim_SYSROOT)
set(DARWIN_${platform}sim_CFLAGS
@@ -440,10 +330,6 @@
${DARWIN_COMMON_LINKFLAGS}
${DARWIN_${platform}_SANITIZER_MIN_VER_FLAG}
-isysroot ${DARWIN_${platform}sim_SYSROOT})
- set(DARWIN_${platform}sim_BUILTIN_MIN_VER
- ${DARWIN_${platform}_BUILTIN_MIN_VER})
- set(DARWIN_${platform}sim_BUILTIN_MIN_VER_FLAG
- ${DARWIN_${platform}_BUILTIN_MIN_VER_FLAG})
set(DARWIN_${platform}sim_SKIP_CC_KEXT On)
darwin_test_archs(${platform}sim
@@ -452,7 +338,6 @@
message(STATUS "${platform} Simulator supported arches: ${DARWIN_${platform}sim_ARCHS}")
if(DARWIN_iossim_ARCHS)
list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform}sim)
- list(APPEND BUILTIN_SUPPORTED_OS ${platform}sim)
list(APPEND PROFILE_SUPPORTED_OS ${platform}sim)
endif()
foreach(arch ${DARWIN_${platform}sim_ARCHS})
@@ -477,7 +362,6 @@
message(STATUS "${platform} supported arches: ${DARWIN_${platform}_ARCHS}")
if(DARWIN_${platform}_ARCHS)
list(APPEND SANITIZER_COMMON_SUPPORTED_OS ${platform})
- list(APPEND BUILTIN_SUPPORTED_OS ${platform})
list(APPEND PROFILE_SUPPORTED_OS ${platform})
endif()
foreach(arch ${DARWIN_${platform}_ARCHS})
@@ -491,7 +375,6 @@
# for list_intersect
include(CompilerRTUtils)
- list_intersect(BUILTIN_SUPPORTED_ARCH ALL_BUILTIN_SUPPORTED_ARCH toolchain_arches)
list_intersect(SANITIZER_COMMON_SUPPORTED_ARCH
ALL_SANITIZER_COMMON_SUPPORTED_ARCH
@@ -528,8 +411,6 @@
SANITIZER_COMMON_SUPPORTED_ARCH)
else()
# Architectures supported by compiler-rt libraries.
- filter_available_targets(BUILTIN_SUPPORTED_ARCH
- ${ALL_BUILTIN_SUPPORTED_ARCH})
filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH
${ALL_SANITIZER_COMMON_SUPPORTED_ARCH})
# LSan and UBSan common files should be available on all architectures
Index: lib/builtins/CMakeLists.txt
===================================================================
--- lib/builtins/CMakeLists.txt
+++ lib/builtins/CMakeLists.txt
@@ -4,6 +4,24 @@
# TODO: Need to add a mechanism for logging errors when builtin source files are
# added to a sub-directory and not this CMakeLists file.
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+ cmake_minimum_required(VERSION 3.2)
+
+ project(CompilerRTBuiltins C CXX ASM)
+ set(COMPILER_RT_STANDALONE_BUILD TRUE)
+ set(COMPILER_RT_BUILTINS_STANDALONE_BUILD TRUE)
+ list(INSERT CMAKE_MODULE_PATH 0
+ "${CMAKE_SOURCE_DIR}/../../cmake"
+ "${CMAKE_SOURCE_DIR}/../../cmake/Modules")
+ include(base-config-ix)
+ include(CompilerRTUtils)
+ if(APPLE)
+ include(CompilerRTDarwinUtils)
+ endif()
+ include(AddCompilerRT)
+endif()
+
+include(builtin-config-ix)
set(GENERIC_SOURCES
absvdi2.c