diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 132 |
1 files changed, 73 insertions, 59 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 04d6e9763bf8c..a57751ce6f61b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -15,6 +15,19 @@ include(LLVMParseArguments) # runtime libraries. cmake_minimum_required(VERSION 2.8.8) +# 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}) +set(COMPILER_RT_LIBRARY_INSTALL_DIR + ${LIBCLANG_INSTALL_PATH}/lib/${LIBCLANG_OS_DIR}) + # Add path for custom modules set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} @@ -23,6 +36,9 @@ set(CMAKE_MODULE_PATH include(AddCompilerRT) set(COMPILER_RT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_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) # 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. @@ -37,15 +53,8 @@ else() set(TARGET_32_BIT_CFLAGS "-m32") endif() -# FIXME: Below we assume that the target build of LLVM/Clang is x86, which is -# not at all valid. Much of this can be fixed just by switching to use -# a just-built-clang binary for the compiles. - -set(TARGET_x86_64_CFLAGS ${TARGET_64_BIT_CFLAGS}) -set(TARGET_i386_CFLAGS ${TARGET_32_BIT_CFLAGS}) - -set(COMPILER_RT_SUPPORTED_ARCH - x86_64 i386) +# List of architectures we can target. +set(COMPILER_RT_SUPPORTED_ARCH) function(get_target_flags_for_arch arch out_var) list(FIND COMPILER_RT_SUPPORTED_ARCH ${arch} ARCH_INDEX) @@ -60,27 +69,45 @@ endfunction() # 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_SOURCE64 ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple64.c) -file(WRITE ${SIMPLE_SOURCE64} "#include <stdlib.h>\nint main() {}") -try_compile(CAN_TARGET_x86_64 ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE64} - COMPILE_DEFINITIONS "${TARGET_x86_64_CFLAGS}" - CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${TARGET_x86_64_CFLAGS}") - -set(SIMPLE_SOURCE32 ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple32.c) -file(WRITE ${SIMPLE_SOURCE32} "#include <stdlib.h>\nint main() {}") -try_compile(CAN_TARGET_i386 ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE32} - COMPILE_DEFINITIONS "${TARGET_i386_CFLAGS}" - CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${TARGET_i386_CFLAGS}") +set(SIMPLE_SOURCE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/simple.c) +file(WRITE ${SIMPLE_SOURCE} "#include <stdlib.h>\nint main() {}") + +# test_target_arch(<arch> <target flags...>) +# Sets the target flags for a given architecture and determines if this +# architecture is supported by trying to build a simple file. +macro(test_target_arch arch) + set(TARGET_${arch}_CFLAGS ${ARGN}) + try_compile(CAN_TARGET_${arch} ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE} + COMPILE_DEFINITIONS "${TARGET_${arch}_CFLAGS}" + CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${TARGET_${arch}_CFLAGS}") + if(${CAN_TARGET_${arch}}) + list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch}) + endif() +endmacro() + +if("${LLVM_NATIVE_ARCH}" STREQUAL "X86") + test_target_arch(x86_64 ${TARGET_64_BIT_CFLAGS}) + test_target_arch(i386 ${TARGET_32_BIT_CFLAGS}) +elseif("${LLVM_NATIVE_ARCH}" STREQUAL "PowerPC") + # Explicitly set -m flag on powerpc, because on ppc64 defaults for gcc and + # clang are different. + test_target_arch(powerpc64 "-m64") + test_target_arch(powerpc "-m32") +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) - set(COMPILER_RT_CAN_EXECUTE_TESTS TRUE) + option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" ON) else() - set(COMPILER_RT_CAN_EXECUTE_TESTS FALSE) + option(COMPILER_RT_CAN_EXECUTE_TESTS "Can we execute instrumented tests" OFF) endif() - + +# Check if compiler-rt is built with libc++. +find_flag_in_string("${CMAKE_CXX_FLAGS}" "-stdlib=libc++" + COMPILER_RT_USES_LIBCXX) + function(filter_available_targets out_var) set(archs) foreach(arch ${ARGN}) @@ -99,6 +126,8 @@ set(SANITIZER_COMMON_CFLAGS -fno-exceptions -fomit-frame-pointer -funwind-tables + -fno-stack-protector + -Wno-gnu # Variadic macros with 0 arguments for ... -O3 ) if(NOT WIN32) @@ -120,51 +149,36 @@ check_cxx_compiler_flag(-Wno-c99-extensions SUPPORTS_NO_C99_EXTENSIONS_FLAG) if(SUPPORTS_NO_C99_EXTENSIONS_FLAG) list(APPEND SANITIZER_COMMON_CFLAGS -Wno-c99-extensions) endif() +# Sanitizer may not have libstdc++, so we can have problems with virtual +# destructors. +check_cxx_compiler_flag(-Wno-non-virtual-dtor SUPPORTS_NO_NON_VIRTUAL_DTOR_FLAG) +if (SUPPORTS_NO_NON_VIRTUAL_DTOR_FLAG) + list(APPEND SANITIZER_COMMON_CFLAGS -Wno-non-virtual-dtor) +endif() + +# Setup min Mac OS X version. if(APPLE) - list(APPEND SANITIZER_COMMON_CFLAGS -mmacosx-version-min=10.5) + if(COMPILER_RT_USES_LIBCXX) + set(SANITIZER_MIN_OSX_VERSION 10.7) + else() + set(SANITIZER_MIN_OSX_VERSION 10.5) + endif() + list(APPEND SANITIZER_COMMON_CFLAGS + -mmacosx-version-min=${SANITIZER_MIN_OSX_VERSION}) endif() # 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) - -# 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) - -# Install compiler-rt headers. -install(DIRECTORY include/ - DESTINATION ${LIBCLANG_INSTALL_PATH}/include - FILES_MATCHING - PATTERN "*.h" - PATTERN ".svn" EXCLUDE - ) - -# Call add_clang_compiler_rt_libraries to make sure that targets are built -# and installed in the directories where Clang driver expects to find them. -macro(add_clang_compiler_rt_libraries) - # Setup output directories so that clang in build tree works. - set_target_properties(${ARGN} PROPERTIES - ARCHIVE_OUTPUT_DIRECTORY - ${LLVM_BINARY_DIR}/lib/clang/${CLANG_VERSION}/lib/${LIBCLANG_OS_DIR} - LIBRARY_OUTPUT_DIRECTORY - ${LLVM_BINARY_DIR}/lib/clang/${CLANG_VERSION}/lib/${LIBCLANG_OS_DIR} - ) - # Add installation command. - install(TARGETS ${ARGN} - ARCHIVE DESTINATION ${LIBCLANG_INSTALL_PATH}/lib/${LIBCLANG_OS_DIR} - LIBRARY DESTINATION ${LIBCLANG_INSTALL_PATH}/lib/${LIBCLANG_OS_DIR} - ) -endmacro(add_clang_compiler_rt_libraries) + x86_64 i386 powerpc64 powerpc) # Add the public header's directory to the includes for all of compiler-rt. include_directories(include) +add_subdirectory(include) + +set(SANITIZER_COMMON_LIT_TEST_DEPS + clang clang-headers FileCheck count not llvm-nm llvm-symbolizer + compiler-rt-headers) add_subdirectory(lib) |