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import("//clang/runtimes.gni")
declare_args() {
# Use exceptions.
libcxxabi_enable_exceptions = true
# Build libc++abi with definitions for operator new/delete.
libcxxabi_enable_new_delete_definitions = true
# Build libcxxabi as a shared library.
libcxxabi_enable_shared = true
# Build libcxxabi as a static library.
libcxxabi_enable_static = true
# Do not export any symbols from the static library.
libcxxabi_hermetic_static_library = true
}
cxxabi_headers = [
# Make `gn format` not collapse this, for sync_source_lists_from_cmake.py.
"../include/cxxabi.h",
]
cxxabi_sources = [
# C++ABI files
"cxa_aux_runtime.cpp",
"cxa_default_handlers.cpp",
"cxa_demangle.cpp",
"cxa_exception_storage.cpp",
"cxa_guard.cpp",
"cxa_handlers.cpp",
"cxa_vector.cpp",
"cxa_virtual.cpp",
# C++ STL files
"stdlib_exception.cpp",
"stdlib_stdexcept.cpp",
"stdlib_typeinfo.cpp",
# Internal files
"abort_message.cpp",
"fallback_malloc.cpp",
"private_typeinfo.cpp",
]
if (libcxxabi_enable_new_delete_definitions) {
cxxabi_sources += [ "stdlib_new_delete.cpp" ]
}
if (libcxxabi_enable_exceptions) {
cxxabi_sources += [
"cxa_exception.cpp",
"cxa_personality.cpp",
]
} else {
cxxabi_sources += [ "cxa_noexception.cpp" ]
}
if (target_os == "linux" || target_os == "fuchsia") {
cxxabi_sources += [ "cxa_thread_atexit.cpp" ]
}
config("cxxabi_config") {
include_dirs = [
"//libcxxabi/include",
# Some files depend on libc++ internals.
"//libcxx/src",
]
cflags_cc = [
"-std=c++20",
"-nostdinc++",
]
defines = [
"_LIBCXXABI_BUILDING_LIBRARY",
"_LIBCPP_BUILDING_LIBRARY",
]
if (target_os == "win") {
defines += [ "_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS" ]
}
}
if (libcxxabi_enable_shared) {
shared_library("cxxabi_shared") {
output_dir = runtimes_dir
output_name = "c++abi"
if (target_os == "linux" || target_os == "mac") {
cflags = [ "-fPIC" ]
ldflags = [ "-nostdlib++" ]
libs = [
"dl",
"pthread",
]
}
sources = cxxabi_sources
public = cxxabi_headers
deps = [
"//compiler-rt/lib/builtins",
"//libcxx/include",
"//libunwind/src:unwind_shared",
]
configs += [ ":cxxabi_config" ]
configs -= [
"//llvm/utils/gn/build:no_exceptions",
"//llvm/utils/gn/build:no_rtti",
]
}
}
if (libcxxabi_enable_static) {
static_library("cxxabi_static") {
output_dir = runtimes_dir
output_name = "c++abi"
complete_static_lib = true
configs -= [ "//llvm/utils/gn/build:thin_archive" ]
sources = cxxabi_sources
public = cxxabi_headers
if (libcxxabi_hermetic_static_library) {
cflags = [ "-fvisibility=hidden" ]
if (libcxxabi_enable_new_delete_definitions) {
cflags_cc = [ "-fvisibility-global-new-delete-hidden" ]
}
defines = [
"_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS",
"_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS",
]
}
deps = [
"//compiler-rt/lib/builtins",
"//libcxx/include",
"//libunwind/src:unwind_static",
]
configs += [ ":cxxabi_config" ]
configs -= [
"//llvm/utils/gn/build:no_exceptions",
"//llvm/utils/gn/build:no_rtti",
]
}
}
group("src") {
deps = []
if (libcxxabi_enable_shared) {
deps += [ ":cxxabi_shared" ]
}
if (libcxxabi_enable_static) {
deps += [ ":cxxabi_static" ]
}
}
|
