Update compiler-rt aosp/master for 3.5 (r209699) rebase.
Change-Id: I158a30186f0faea2e2400e9dfdd878db2eb40e90
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a442408..da49e5e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,49 +1,169 @@
# CMake build for CompilerRT.
#
# This build assumes that CompilerRT is checked out into the
-# 'projects/compiler-rt' inside of an LLVM tree, it is not a stand-alone build
-# system.
+# 'projects/compiler-rt' inside of an LLVM tree.
+# Standalone build system for CompilerRT is not yet ready.
#
# An important constraint of the build is that it only produces libraries
# based on the ability of the host toolchain to target various platforms.
-include(LLVMParseArguments)
+# Check if compiler-rt is built as a standalone project.
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+ project(CompilerRT)
+ set(COMPILER_RT_STANDALONE_BUILD TRUE)
+else()
+ set(COMPILER_RT_STANDALONE_BUILD FALSE)
+endif()
# 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.
-cmake_minimum_required(VERSION 2.8.8)
+if (NOT MSVC)
+ cmake_minimum_required(VERSION 2.8.8)
+else()
+ # Version 2.8.12.1 is required to build with Visual Studion 2013.
+ cmake_minimum_required(VERSION 2.8.12.1)
+endif()
+
+# FIXME: It may be removed when we use 2.8.12.
+if(CMAKE_VERSION VERSION_LESS 2.8.12)
+ # Invalidate a couple of keywords.
+ set(cmake_2_8_12_INTERFACE)
+ set(cmake_2_8_12_PRIVATE)
+else()
+ # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries().
+ set(cmake_2_8_12_INTERFACE INTERFACE)
+ set(cmake_2_8_12_PRIVATE PRIVATE)
+ if(POLICY CMP0022)
+ cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
+ endif()
+endif()
# Top level target used to build all compiler-rt libraries.
-add_custom_target(compiler-rt)
+add_custom_target(compiler-rt ALL)
-# 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
- ${PACKAGE_VERSION})
-# Setup the paths where compiler-rt runtimes and headers should be stored.
-set(LIBCLANG_INSTALL_PATH lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
-string(TOLOWER ${CMAKE_SYSTEM_NAME} LIBCLANG_OS_DIR)
-set(CLANG_RESOURCE_DIR ${LLVM_BINARY_DIR}/lib/clang/${CLANG_VERSION})
-set(COMPILER_RT_LIBRARY_OUTPUT_DIR ${CLANG_RESOURCE_DIR}/lib/${LIBCLANG_OS_DIR})
+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)
+ set(COMPILER_RT_TEST_COMPILER_EXE "-o")
+ set(COMPILER_RT_TEST_COMPILER_OBJ "-o")
+ else()
+ set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang-cl.exe)
+ set(COMPILER_RT_TEST_COMPILER_EXE "-Fe")
+ set(COMPILER_RT_TEST_COMPILER_OBJ "-Fo")
+ 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")
+ set(COMPILER_RT_TEST_COMPILER_EXE "-o")
+ set(COMPILER_RT_TEST_COMPILER_OBJ "-o")
+
+ if (NOT LLVM_CONFIG_PATH)
+ find_program(LLVM_CONFIG_PATH "llvm-config"
+ DOC "Path to llvm-config binary")
+ if (NOT LLVM_CONFIG_PATH)
+ message(FATAL_ERROR "llvm-config not found: specify LLVM_CONFIG_PATH")
+ endif()
+ endif()
+ execute_process(
+ COMMAND ${LLVM_CONFIG_PATH} "--obj-root" "--bindir" "--libdir" "--src-root"
+ RESULT_VARIABLE HAD_ERROR
+ OUTPUT_VARIABLE CONFIG_OUTPUT)
+ if (HAD_ERROR)
+ message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
+ endif()
+ string(REGEX REPLACE "[ \t]*[\r\n]+[ \t]*" ";" CONFIG_OUTPUT ${CONFIG_OUTPUT})
+ list(GET CONFIG_OUTPUT 0 LLVM_BINARY_DIR)
+ list(GET CONFIG_OUTPUT 1 LLVM_TOOLS_BINARY_DIR)
+ list(GET CONFIG_OUTPUT 2 LLVM_LIBRARY_DIR)
+ list(GET CONFIG_OUTPUT 3 LLVM_MAIN_SRC_DIR)
+
+ # Make use of LLVM CMake modules.
+ file(TO_CMAKE_PATH ${LLVM_BINARY_DIR} LLVM_BINARY_DIR_CMAKE_STYLE)
+ set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR_CMAKE_STYLE}/share/llvm/cmake")
+ list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
+ # Get some LLVM variables from LLVMConfig.
+ include("${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
+
+ set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib)
+
+ # Find Python interpreter.
+ set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5)
+ include(FindPythonInterp)
+ if(NOT PYTHONINTERP_FOUND)
+ message(FATAL_ERROR "
+ Unable to find Python interpreter required testing. Please install Python
+ or specify the PYTHON_EXECUTABLE CMake variable.")
+ endif()
+
+ # Define default arguments to lit.
+ set(LIT_ARGS_DEFAULT "-sv")
+ if (MSVC OR XCODE)
+ set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
+ endif()
+ set(LLVM_LIT_ARGS "${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("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang-cl.exe$")
+ set(COMPILER_RT_TEST_COMPILER_ID Clang)
+else()
+ set(COMPILER_RT_TEST_COMPILER_ID GNU)
+endif()
+
+# Tests using XFAIL use the first value in COMPILER_RT_TEST_TARGET_TRIPLE
+set(COMPILER_RT_TEST_TARGET_TRIPLE ${TARGET_TRIPLE} CACHE STRING
+ "Default triple for cross-compiled executables")
+string(REPLACE "-" ";" TARGET_TRIPLE_LIST ${COMPILER_RT_TEST_TARGET_TRIPLE})
+list(GET TARGET_TRIPLE_LIST 0 COMPILER_RT_TEST_TARGET_ARCH)
+
+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
- ${LIBCLANG_INSTALL_PATH}/lib/${LIBCLANG_OS_DIR})
+ ${COMPILER_RT_INSTALL_PATH}/lib/${COMPILER_RT_OS_DIR})
-# Add path for custom modules
+# Add path for custom compiler-rt modules.
set(CMAKE_MODULE_PATH
- ${CMAKE_MODULE_PATH}
+ "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
+ ${CMAKE_MODULE_PATH}
)
-include(AddCompilerRT)
+include(CompilerRTUtils)
set(COMPILER_RT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(COMPILER_RT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
# Setup custom SDK sysroots.
set(COMPILER_RT_DARWIN_SDK_SYSROOT ${COMPILER_RT_SOURCE_DIR}/SDKs/darwin)
set(COMPILER_RT_LINUX_SDK_SYSROOT ${COMPILER_RT_SOURCE_DIR}/SDKs/linux)
-include(SanitizerUtils)
+
+set(COMPILER_RT_EXTRA_ANDROID_HEADERS ${COMPILER_RT_SOURCE_DIR}/android/include)
# Detect whether the current target platform is 32-bit or 64-bit, and setup
# the correct commandline flags needed to attempt to target 32-bit and 64-bit.
@@ -75,8 +195,8 @@
# platform. We use the results of these tests to build only the various target
# runtime libraries supported by our current compilers cross-compiling
# abilities.
-set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.c)
-file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\nint main() {}")
+set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.cc)
+file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\n#include <limits>\nint main() {}\n")
# test_target_arch(<arch> <target flags...>)
# Sets the target flags for a given architecture and determines if this
@@ -91,19 +211,26 @@
endif()
endmacro()
-if("${LLVM_NATIVE_ARCH}" STREQUAL "X86")
- if (NOT MSVC)
- test_target_arch(x86_64 ${TARGET_64_BIT_CFLAGS})
+if(ANDROID_COMMON_FLAGS)
+ test_target_arch(arm_android "${ANDROID_COMMON_FLAGS}")
+else()
+ if("${LLVM_NATIVE_ARCH}" STREQUAL "X86")
+ if (NOT MSVC)
+ test_target_arch(x86_64 ${TARGET_64_BIT_CFLAGS})
+ endif()
+ test_target_arch(i386 ${TARGET_32_BIT_CFLAGS})
+ elseif("${LLVM_NATIVE_ARCH}" STREQUAL "PowerPC")
+ test_target_arch(powerpc64 ${TARGET_64_BIT_CFLAGS})
+ elseif("${LLVM_NATIVE_ARCH}" STREQUAL "ARM")
+ test_target_arch(arm "")
endif()
- test_target_arch(i386 ${TARGET_32_BIT_CFLAGS})
-elseif("${LLVM_NATIVE_ARCH}" STREQUAL "PowerPC")
- test_target_arch(powerpc64 ${TARGET_64_BIT_CFLAGS})
endif()
-# We only support running instrumented tests when we're not cross compiling
-# and target a unix-like system. On Android we define the rules for building
-# unit tests, but don't execute them.
-if("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND UNIX AND NOT ANDROID)
+# We support running instrumented tests when we're not cross compiling
+# and target a UNIX-like system or Windows.
+# We can run tests on Android even when we are cross-compiling.
+if(("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND (UNIX OR MSVC)) OR ANDROID
+ OR COMPILER_RT_EMULATOR)
option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" ON)
else()
option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" OFF)
@@ -125,60 +252,74 @@
endfunction()
option(COMPILER_RT_DEBUG "Build runtimes with full debug info" OFF)
-
# COMPILER_RT_DEBUG_PYBOOL is used by lit.common.configured.in.
pythonize_bool(COMPILER_RT_DEBUG)
-# Provide some common commmandline flags for Sanitizer runtimes.
-if (NOT MSVC)
- set(SANITIZER_COMMON_CFLAGS
- -fPIC
- -fno-builtin
- -fno-exceptions
- -fomit-frame-pointer
- -funwind-tables
- -fno-stack-protector
- -Wno-gnu # Variadic macros with 0 arguments for ...
- -fvisibility=hidden
- )
- if (NOT COMPILER_RT_DEBUG)
- list(APPEND SANITIZER_COMMON_CFLAGS -O3)
- endif()
+option(COMPILER_RT_BUILD_SHARED_ASAN "Build shared version of AddressSanitizer runtime" OFF)
+
+#================================
+# Setup Compiler Flags
+#================================
+include(config-ix)
+
+if(MSVC)
+ append_string_if(COMPILER_RT_HAS_W3_FLAG /W3 CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
else()
- set(SANITIZER_COMMON_CFLAGS
- /MT
- /Zi
- /Oy-
- /GS-
- /wd4722
- )
+ append_string_if(COMPILER_RT_HAS_WALL_FLAG -Wall CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
endif()
-# Build sanitizer runtimes with debug info. (MSVC gets /Zi above)
-if (NOT MSVC)
- check_cxx_compiler_flag(-gline-tables-only SUPPORTS_GLINE_TABLES_ONLY_FLAG)
- if(SUPPORTS_GLINE_TABLES_ONLY_FLAG AND NOT COMPILER_RT_DEBUG)
- list(APPEND SANITIZER_COMMON_CFLAGS -gline-tables-only)
- else()
- list(APPEND SANITIZER_COMMON_CFLAGS -g)
+if(COMPILER_RT_ENABLE_WERROR)
+ append_string_if(COMPILER_RT_HAS_WERROR_FLAG -Werror CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+ append_string_if(COMPILER_RT_HAS_WX_FLAG /WX CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+endif()
+
+append_string_if(COMPILER_RT_HAS_STD_CXX11_FLAG -std=c++11 CMAKE_CXX_FLAGS)
+
+# Emulate C99 and C++11's __func__ for MSVC prior to 2013 CTP.
+if(NOT COMPILER_RT_HAS_FUNC_SYMBOL)
+ add_definitions(-D__func__=__FUNCTION__)
+endif()
+
+# Provide some common commmandline flags for Sanitizer runtimes.
+append_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_FNO_BUILTIN_FLAG -fno-builtin SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG -fno-exceptions SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG -fomit-frame-pointer SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_FUNWIND_TABLES_FLAG -funwind-tables SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_FNO_STACK_PROTECTOR_FLAG -fno-stack-protector SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_FVISIBILITY_HIDDEN_FLAG -fvisibility=hidden SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_FNO_FUNCTION_SECTIONS_FLAG -fno-function-sections SANITIZER_COMMON_CFLAGS)
+
+if(MSVC)
+ # Remove /MD flag so that it doesn't conflict with /MT.
+ if(COMPILER_RT_HAS_MT_FLAG)
+ string(REGEX REPLACE "(^| ) */MDd? *( |$)" "\\1 \\2" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ list(APPEND SANITIZER_COMMON_CFLAGS /MT)
endif()
+ append_if(COMPILER_RT_HAS_Oy_FLAG /Oy- SANITIZER_COMMON_CFLAGS)
+ append_if(COMPILER_RT_HAS_GS_FLAG /GS- SANITIZER_COMMON_CFLAGS)
endif()
-# Warnings suppressions.
-check_cxx_compiler_flag(-Wno-variadic-macros SUPPORTS_NO_VARIADIC_MACROS_FLAG)
-if(SUPPORTS_NO_VARIADIC_MACROS_FLAG)
- list(APPEND SANITIZER_COMMON_CFLAGS -Wno-variadic-macros)
+
+# Build with optimization, unless we're in debug mode. If we're using MSVC,
+# always respect the optimization flags set by CMAKE_BUILD_TYPE instead.
+if(NOT COMPILER_RT_DEBUG AND NOT MSVC)
+ list(APPEND SANITIZER_COMMON_CFLAGS -O3)
endif()
-check_cxx_compiler_flag(-Wno-c99-extensions SUPPORTS_NO_C99_EXTENSIONS_FLAG)
-if(SUPPORTS_NO_C99_EXTENSIONS_FLAG)
- list(APPEND SANITIZER_COMMON_CFLAGS -Wno-c99-extensions)
+
+# Build sanitizer runtimes with debug info.
+if(COMPILER_RT_HAS_GLINE_TABLES_ONLY_FLAG)
+ list(APPEND SANITIZER_COMMON_CFLAGS -gline-tables-only)
+elseif(COMPILER_RT_HAS_G_FLAG)
+ list(APPEND SANITIZER_COMMON_CFLAGS -g)
+elseif(COMPILER_RT_HAS_Zi_FLAG)
+ list(APPEND SANITIZER_COMMON_CFLAGS /Zi)
endif()
-# Sanitizer may not have libstdc++, so we can have problems with virtual
-# destructors.
-check_cxx_compiler_flag(-Wno-non-virtual-dtor SUPPORTS_NO_NON_VIRTUAL_DTOR_FLAG)
-if (SUPPORTS_NO_NON_VIRTUAL_DTOR_FLAG)
- list(APPEND SANITIZER_COMMON_CFLAGS -Wno-non-virtual-dtor)
-endif()
-check_cxx_compiler_flag(-Wglobal-constructors SUPPORTS_GLOBAL_CONSTRUCTORS_FLAG)
-# Not all sanitizers forbid global constructors.
+
+# Turn off several warnings.
+append_if(COMPILER_RT_HAS_WNO_GNU_FLAG -Wno-gnu SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_WNO_VARIADIC_MACROS_FLAG -Wno-variadic-macros SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_WNO_C99_EXTENSIONS_FLAG -Wno-c99-extensions SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_WNO_NON_VIRTUAL_DTOR_FLAG -Wno-non-virtual-dtor SANITIZER_COMMON_CFLAGS)
+append_if(COMPILER_RT_HAS_WD4722_FLAG /wd4722 SANITIZER_COMMON_CFLAGS)
if(APPLE)
# Obtain the iOS Simulator SDK path from xcodebuild.
@@ -187,8 +328,10 @@
OUTPUT_VARIABLE IOSSIM_SDK_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
+ string(REGEX MATCH "-mmacosx-version-min="
+ MACOSX_VERSION_MIN_FLAG "${CMAKE_CXX_FLAGS}")
set(SANITIZER_COMMON_SUPPORTED_DARWIN_OS osx)
- if (IOSSIM_SDK_DIR)
+ if (IOSSIM_SDK_DIR AND NOT MACOSX_VERSION_MIN_FLAG)
list(APPEND SANITIZER_COMMON_SUPPORTED_DARWIN_OS iossim)
endif()
@@ -210,23 +353,27 @@
# Architectures supported by Sanitizer runtimes. Specific sanitizers may
# support only subset of these (e.g. TSan works on x86_64 only).
filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH
- x86_64 i386 powerpc64)
+ x86_64 i386 powerpc64 arm)
+filter_available_targets(ASAN_SUPPORTED_ARCH x86_64 i386 powerpc64)
+filter_available_targets(DFSAN_SUPPORTED_ARCH x86_64)
+filter_available_targets(LSAN_SUPPORTED_ARCH x86_64)
+filter_available_targets(MSAN_SUPPORTED_ARCH x86_64)
+filter_available_targets(PROFILE_SUPPORTED_ARCH x86_64 i386 arm)
+filter_available_targets(TSAN_SUPPORTED_ARCH x86_64)
+filter_available_targets(UBSAN_SUPPORTED_ARCH x86_64 i386)
add_subdirectory(include)
-set(SANITIZER_COMMON_LIT_TEST_DEPS
- clang clang-headers FileCheck count not llvm-nm llvm-symbolizer
- compiler-rt-headers)
-# Check code style when running lit tests for sanitizers.
-if(UNIX)
- list(APPEND SANITIZER_COMMON_LIT_TEST_DEPS SanitizerLintCheck)
+set(COMPILER_RT_LIBCXX_PATH ${LLVM_MAIN_SRC_DIR}/projects/libcxx)
+if(EXISTS ${COMPILER_RT_LIBCXX_PATH}/)
+ set(COMPILER_RT_HAS_LIBCXX_SOURCES TRUE)
+else()
+ set(COMPILER_RT_HAS_LIBCXX_SOURCES FALSE)
endif()
add_subdirectory(lib)
-if(LLVM_INCLUDE_TESTS)
- # Currently the tests have not been ported to CMake, so disable this
- # directory.
- #
- #add_subdirectory(test)
+if(COMPILER_RT_INCLUDE_TESTS)
+ add_subdirectory(unittests)
endif()
+add_subdirectory(test)