diff options
Diffstat (limited to 'chromium/buildtools/third_party/libc++/trunk/cmake/Modules/HandleLibCXXABI.cmake')
-rw-r--r-- | chromium/buildtools/third_party/libc++/trunk/cmake/Modules/HandleLibCXXABI.cmake | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/chromium/buildtools/third_party/libc++/trunk/cmake/Modules/HandleLibCXXABI.cmake b/chromium/buildtools/third_party/libc++/trunk/cmake/Modules/HandleLibCXXABI.cmake new file mode 100644 index 00000000000..d9c652d87ba --- /dev/null +++ b/chromium/buildtools/third_party/libc++/trunk/cmake/Modules/HandleLibCXXABI.cmake @@ -0,0 +1,108 @@ + +#=============================================================================== +# Add an ABI library if appropriate +#=============================================================================== + +# +# _setup_abi: Set up the build to use an ABI library +# +# Parameters: +# abidefines: A list of defines needed to compile libc++ with the ABI library +# abilib : The ABI library to link against. +# abifiles : A list of files (which may be relative paths) to copy into the +# libc++ build tree for the build. These files will also be +# installed alongside the libc++ headers. +# abidirs : A list of relative paths to create under an include directory +# in the libc++ build directory. +# +macro(setup_abi_lib abidefines abilib abifiles abidirs) + list(APPEND LIBCXX_COMPILE_FLAGS ${abidefines}) + set(LIBCXX_CXX_ABI_INCLUDE_PATHS "${LIBCXX_CXX_ABI_INCLUDE_PATHS}" + CACHE PATH + "Paths to C++ ABI header directories separated by ';'." FORCE + ) + + set(LIBCXX_CXX_ABI_LIBRARY ${abilib}) + + set(LIBCXX_ABILIB_FILES ${abifiles}) + + file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include") + foreach(_d ${abidirs}) + file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include/${_d}") + endforeach() + + foreach(fpath ${LIBCXX_ABILIB_FILES}) + set(found FALSE) + foreach(incpath ${LIBCXX_CXX_ABI_INCLUDE_PATHS}) + if (EXISTS "${incpath}/${fpath}") + set(found TRUE) + get_filename_component(dstdir ${fpath} PATH) + get_filename_component(ifile ${fpath} NAME) + file(COPY "${incpath}/${fpath}" + DESTINATION "${CMAKE_BINARY_DIR}/include/${dstdir}" + ) + if (LIBCXX_INSTALL_HEADERS) + install(FILES "${CMAKE_BINARY_DIR}/include/${fpath}" + DESTINATION include/c++/v1/${dstdir} + COMPONENT libcxx + PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ + ) + endif() + list(APPEND abilib_headers "${CMAKE_BINARY_DIR}/include/${fpath}") + endif() + endforeach() + if (NOT found) + message(WARNING "Failed to find ${fpath}") + endif() + endforeach() + + add_custom_target(LIBCXX_CXX_ABI_DEPS DEPENDS ${abilib_headers}) + include_directories("${CMAKE_BINARY_DIR}/include") + +endmacro() + + +# Configure based on the selected ABI library. +if ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libstdc++" OR + "${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libsupc++") + set(_LIBSUPCXX_INCLUDE_FILES + cxxabi.h bits/c++config.h bits/os_defines.h bits/cpu_defines.h + bits/cxxabi_tweaks.h bits/cxxabi_forced.h + ) + if ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libstdc++") + set(_LIBSUPCXX_DEFINES "-DLIBSTDCXX") + set(_LIBSUPCXX_LIBNAME stdc++) + else() + set(_LIBSUPCXX_DEFINES "") + set(_LIBSUPCXX_LIBNAME supc++) + endif() + setup_abi_lib( + "-D__GLIBCXX__ ${_LIBSUPCXX_DEFINES}" + "${_LIBSUPCXX_LIBNAME}" "${_LIBSUPCXX_INCLUDE_FILES}" "bits" + ) +elseif ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libcxxabi") + if (LIBCXX_CXX_ABI_INTREE) + # Link against just-built "cxxabi" target. + if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY) + set(CXXABI_LIBNAME cxxabi_static) + else() + set(CXXABI_LIBNAME cxxabi_shared) + endif() + set(LIBCXX_LIBCPPABI_VERSION "2" PARENT_SCOPE) + else() + # Assume c++abi is installed in the system, rely on -lc++abi link flag. + set(CXXABI_LIBNAME "c++abi") + endif() + setup_abi_lib("-DLIBCXX_BUILDING_LIBCXXABI" + ${CXXABI_LIBNAME} "cxxabi.h;__cxxabi_config.h" "" + ) +elseif ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libcxxrt") + setup_abi_lib("-DLIBCXXRT" + "cxxrt" "cxxabi.h;unwind.h;unwind-arm.h;unwind-itanium.h" "" + ) +elseif (NOT "${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "none") + message(FATAL_ERROR + "Currently libstdc++, libsupc++, libcxxabi, libcxxrt and none are " + "supported for c++ abi." + ) +endif () |