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import("//clang/runtimes.gni")
declare_args() {
# Build libunwind as a shared library.
libunwind_enable_shared = true
# Build libunwind as a static library.
libunwind_enable_static = true
# Do not export any symbols from the static library.
libunwind_hermetic_static_library = true
}
unwind_headers = [
"../include/libunwind.h",
"../include/unwind.h",
]
if (target_os == "mac") {
unwind_headers += [
# This comment prevents `gn format` from putting the file on the same line
# as `sources +=`, for sync_source_lists_from_cmake.py.
"../include/mach-o/compact_unwind_encoding.h",
]
}
unwind_sources = [
"libunwind.cpp",
"Unwind-EHABI.cpp",
"Unwind-seh.cpp",
"UnwindLevel1.c",
"UnwindLevel1-gcc-ext.c",
"Unwind-sjlj.c",
"UnwindRegistersRestore.S",
"UnwindRegistersSave.S",
"AddressSpace.hpp",
"assembly.h",
"CompactUnwinder.hpp",
"config.h",
"dwarf2.h",
"DwarfInstructions.hpp",
"DwarfParser.hpp",
"libunwind_ext.h",
"Registers.hpp",
"RWMutex.hpp",
"UnwindCursor.hpp",
]
if (target_os == "mac") {
unwind_sources += [
# This comment prevents `gn format` from putting the file on the same line
# as `sources +=`, for sync_source_lists_from_cmake.py.
"Unwind_AppleExtras.cpp",
]
}
config("unwind_config") {
cflags = []
cflags_c = [ "-std=c99" ]
cflags_cc = [ "-fno-rtti" ]
include_dirs = [ "//libunwind/include" ]
if (target_os == "mac") {
cflags += [ "-U__STRICT_ANSI__" ]
}
}
if (libunwind_enable_shared) {
shared_library("unwind_shared") {
output_dir = runtimes_dir
output_name = "unwind"
if (target_os == "linux" || target_os == "mac") {
cflags = [ "-fPIC" ]
ldflags = [ "-nostdlib++" ]
libs = [
"dl",
"pthread",
]
}
if (target_os == "mac") {
ldflags += [
"-compatibility_version 1",
"-install_name /usr/lib/libunwind.1.dylib",
]
}
sources = unwind_sources
public = unwind_headers
deps = [
"//compiler-rt/lib/builtins",
]
configs += [ ":unwind_config" ]
configs -= [
"//llvm/utils/gn/build:no_exceptions",
"//llvm/utils/gn/build:no_rtti",
]
}
}
if (libunwind_enable_static) {
static_library("unwind_static") {
output_dir = runtimes_dir
output_name = "unwind"
complete_static_lib = true
configs -= [ "//llvm/utils/gn/build:thin_archive" ]
sources = unwind_sources
public = unwind_headers
if (libunwind_hermetic_static_library) {
cflags = [ "-fvisibility=hidden" ]
cflags_cc = [ "-fvisibility-global-new-delete-hidden" ]
defines = [ "_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS" ]
}
deps = [
"//compiler-rt/lib/builtins",
]
configs += [ ":unwind_config" ]
configs -= [
"//llvm/utils/gn/build:no_exceptions",
"//llvm/utils/gn/build:no_rtti",
]
}
}
group("src") {
deps = []
if (libunwind_enable_shared) {
deps += [ ":unwind_shared" ]
}
if (libunwind_enable_static) {
deps += [ ":unwind_static" ]
}
}
|
