cxx/lib/CMakeLists.txt
Eric Fiselier 938c96ef53 [libcxx] Add support for sanitizers on OS X.
Summary: This patch adds special configuration logic to find the compiler_rt libraries required by sanitizers on OS X. The supported sanitizers are Address and Undefined.

Reviewers: mclow.lists

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D11381

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@242858 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-22 00:33:36 +00:00

158 lines
5.6 KiB
CMake

set(LIBCXX_LIB_CMAKEFILES_DIR "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}" PARENT_SCOPE)
# Get sources
file(GLOB LIBCXX_SOURCES ../src/*.cpp)
if(WIN32)
file(GLOB LIBCXX_WIN32_SOURCES ../src/support/win32/*.cpp)
list(APPEND LIBCXX_SOURCES ${LIBCXX_WIN32_SOURCES})
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")
file(GLOB LIBCXX_SOLARIS_SOURCES ../src/support/solaris/*.c)
list(APPEND LIBCXX_SOURCES ${LIBCXX_SOLARIS_SOURCES})
endif()
# Add all the headers to the project for IDEs.
if (MSVC_IDE OR XCODE)
file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*)
if(WIN32)
file( GLOB LIBCXX_WIN32_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/support/win32/*.h)
list(APPEND LIBCXX_HEADERS ${LIBCXX_WIN32_HEADERS})
endif()
# Force them all into the headers dir on MSVC, otherwise they end up at
# project scope because they don't have extensions.
if (MSVC_IDE)
source_group("Header Files" FILES ${LIBCXX_HEADERS})
endif()
endif()
if (LIBCXX_ENABLE_SHARED)
add_library(cxx SHARED
${LIBCXX_SOURCES}
${LIBCXX_HEADERS}
)
else()
add_library(cxx STATIC
${LIBCXX_SOURCES}
${LIBCXX_HEADERS}
)
endif()
#if LIBCXX_CXX_ABI_LIBRARY_PATH is defined we want to add it to the search path.
if (DEFINED LIBCXX_CXX_ABI_LIBRARY_PATH)
target_link_libraries(cxx "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}")
endif()
if (DEFINED LIBCXX_CXX_ABI_DEPS)
add_dependencies(cxx LIBCXX_CXX_ABI_DEPS)
endif()
set(libraries "")
if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
# TODO(ericwf): Remove these GNU specific linker flags and let CMake do the
# configuration. This will be more portable.
list(APPEND libraries "-Wl,--whole-archive" "-Wl,-Bstatic")
list(APPEND libraries "${LIBCXX_CXX_ABI_LIBRARY}")
list(APPEND libraries "-Wl,-Bdynamic" "-Wl,--no-whole-archive")
else()
list(APPEND libraries "${LIBCXX_CXX_ABI_LIBRARY}")
endif()
# Generate library list.
append_if(libraries LIBCXX_HAS_PTHREAD_LIB pthread)
append_if(libraries LIBCXX_HAS_C_LIB c)
append_if(libraries LIBCXX_HAS_M_LIB m)
append_if(libraries LIBCXX_HAS_RT_LIB rt)
append_if(libraries LIBCXX_HAS_GCC_S_LIB gcc_s)
if (LIBCXX_COVERAGE_LIBRARY)
target_link_libraries(cxx ${LIBCXX_COVERAGE_LIBRARY})
endif()
target_link_libraries(cxx ${libraries})
if (APPLE AND LLVM_USE_SANITIZER)
if ("${LLVM_USE_SANITIZER}" STREQUAL "Address")
set(LIBFILE "libclang_rt.asan_osx_dynamic.dylib")
elseif("${LLVM_USE_SANITIZER}" STREQUAL "Undefined")
set(LIBFILE "libclang_rt.ubsan_osx_dynamic.dylib")
else()
message(WARNING "LLVM_USE_SANITIZER=${LLVM_USE_SANITIZER} is not supported on OS X")
endif()
if (LIBFILE)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=lib OUTPUT_VARIABLE LIBDIR RESULT_VARIABLE Result)
if (NOT ${Result} EQUAL "0")
message(FATAL "Failed to find library resource directory")
endif()
string(STRIP "${LIBDIR}" LIBDIR)
set(LIBDIR "${LIBDIR}/darwin/")
if (NOT IS_DIRECTORY "${LIBDIR}")
message(FATAL_ERROR "Cannot find compiler-rt directory on OS X required for LLVM_USE_SANITIZER")
endif()
set(LIBCXX_SANITIZER_LIBRARY "${LIBDIR}/${LIBFILE}")
set(LIBCXX_SANITIZER_LIBRARY "${LIBCXX_SANITIZER_LIBRARY}" PARENT_SCOPE)
message(STATUS "Manually linking compiler-rt library: ${LIBCXX_SANITIZER_LIBRARY}")
target_link_libraries(cxx "${LIBCXX_SANITIZER_LIBRARY}")
target_link_libraries(cxx "-Wl,-rpath,${LIBDIR}")
endif()
endif()
# Setup flags.
append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_FPIC_FLAG -fPIC)
append_if(LIBCXX_LINK_FLAGS LIBCXX_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs)
if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR
LIBCXX_CXX_ABI_LIBNAME STREQUAL "none"))
if (NOT DEFINED LIBCXX_LIBCPPABI_VERSION)
set(LIBCXX_LIBCPPABI_VERSION "2")
endif()
if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" )
list(APPEND LIBCXX_COMPILE_FLAGS "-U__STRICT_ANSI__")
list(APPEND LIBCXX_LINK_FLAGS
"-compatibility_version 1"
"-current_version 1"
"-install_name /usr/lib/libc++.1.dylib"
"-Wl,-reexport_library,/usr/lib/libc++abi.dylib"
"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
"/usr/lib/libSystem.B.dylib")
else()
if ( ${CMAKE_OSX_SYSROOT} )
list(FIND ${CMAKE_OSX_ARCHITECTURES} "armv7" OSX_HAS_ARMV7)
if (OSX_HAS_ARMV7)
set(OSX_RE_EXPORT_LINE
"${CMAKE_OSX_SYSROOT}/usr/lib/libc++abi.dylib"
"-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++sjlj-abi.exp")
else()
set(OSX_RE_EXPORT_LINE
"-Wl,-reexport_library,${CMAKE_OSX_SYSROOT}/usr/lib/libc++abi.dylib")
endif()
else()
set (OSX_RE_EXPORT_LINE "/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++abi${LIBCXX_LIBCPPABI_VERSION}.exp")
endif()
list(APPEND LIBCXX_LINK_FLAGS
"-compatibility_version 1"
"-install_name /usr/lib/libc++.1.dylib"
"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
"${OSX_RE_EXPORT_LINE}"
"-Wl,-force_symbols_not_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/notweak.exp"
"-Wl,-force_symbols_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/weak.exp")
endif()
endif()
string(REPLACE ";" " " LIBCXX_COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}")
string(REPLACE ";" " " LIBCXX_LINK_FLAGS "${LIBCXX_LINK_FLAGS}")
set_target_properties(cxx
PROPERTIES
COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}"
LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
OUTPUT_NAME "c++"
VERSION "1.0"
SOVERSION "1"
)
install(TARGETS cxx
LIBRARY DESTINATION lib${LIBCXX_LIBDIR_SUFFIX}
ARCHIVE DESTINATION lib${LIBCXX_LIBDIR_SUFFIX}
)