mirror of
https://github.com/shadowsocks/shadowsocks-libev.git
synced 2026-10-31 06:23:52 +00:00
Max LvandClaude
0343aa20f2
- Define _GLIBCXX_NO_ASSERTIONS: libstdc++ 15 enables assertions at -O0, which pulls __glibcxx_assert_fail (C++ runtime) into the programs. - test_redir_qemu: boot the guest with -cpu max so the runner's glibc loader runs under TCG. - find_program: std::string_view PATH splitting into a fixed buffer, no heap and no null snprintf destination (GCC -Wformat-truncation). - manager: parse /proc/net/udp numbers with strtoul (cert-err34-c); walk /proc/<pid>/cmdline with std::string_view. - ssurl: sanitise the tag through std::span. Co-Authored-By: Claude <noreply@anthropic.com>
79 lines
3.9 KiB
CMake
79 lines
3.9 KiB
CMake
include(CheckCCompilerFlag)
|
|
option(DISABLE_SSP "Disable stack protector" OFF)
|
|
if(NOT DISABLE_SSP AND NOT MSVC)
|
|
check_c_compiler_flag(-fstack-protector-strong HAS_STACK_PROTECTOR)
|
|
endif()
|
|
|
|
function(ss_project_options target)
|
|
set_property(TARGET ${target} PROPERTY NO_SYSTEM_FROM_IMPORTED TRUE)
|
|
target_include_directories(${target} BEFORE PRIVATE ${MBEDTLS_INCLUDE_DIRS})
|
|
if(WIN32)
|
|
target_compile_definitions(${target} PRIVATE WIN32_LEAN_AND_MEAN __USE_MINGW_ANSI_STDIO=1)
|
|
# MinGW can otherwise pull in libwinpthread/libgcc from the toolchain,
|
|
# even when all explicitly selected dependencies are static archives.
|
|
get_target_property(ss_target_type ${target} TYPE)
|
|
# Zig already supplies its own runtime for DLLs; its -static switch
|
|
# changes the output kind instead of just selecting static libraries.
|
|
if(NOT ss_target_type STREQUAL "SHARED_LIBRARY" OR CMAKE_C_COMPILER_ID STREQUAL "GNU")
|
|
target_link_options(${target} PRIVATE -static)
|
|
endif()
|
|
endif()
|
|
if(MSVC)
|
|
target_compile_options(${target} PRIVATE /W4)
|
|
if(SS_WARNINGS_AS_ERRORS)
|
|
target_compile_options(${target} PRIVATE /WX)
|
|
endif()
|
|
else()
|
|
target_compile_options(${target} PRIVATE -Wall -Wno-deprecated-declarations -fno-strict-aliasing)
|
|
# C++ sources: no exceptions or RTTI, and no locks around function
|
|
# statics (the event loop is single-threaded). New C++ code also opts
|
|
# into -Wextra through ss_strict_warnings(); modules ported from C get
|
|
# it when they are rewritten.
|
|
target_compile_options(${target} PRIVATE
|
|
$<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions -fno-rtti -fno-threadsafe-statics>)
|
|
# libstdc++ 15 enables its assertions at -O0, and they call
|
|
# __glibcxx_assert_fail from the C++ runtime, which the programs and
|
|
# libshadowsocks-c must not need (scripts/check_cxx_runtime.py).
|
|
target_compile_definitions(${target} PRIVATE $<$<COMPILE_LANGUAGE:CXX>:_GLIBCXX_NO_ASSERTIONS>)
|
|
# GCC's C++ -Wall adds -Wsign-compare and -Wclass-memaccess, which C's
|
|
# -Wall does not have. Modules converted from C keep the warning set
|
|
# they were written against; ss_strict_warnings() turns both back on.
|
|
target_compile_options(${target} PRIVATE
|
|
$<$<COMPILE_LANG_AND_ID:CXX,GNU>:-Wno-sign-compare -Wno-class-memaccess>)
|
|
if(SS_WARNINGS_AS_ERRORS)
|
|
target_compile_options(${target} PRIVATE -Werror)
|
|
endif()
|
|
if(HAS_STACK_PROTECTOR)
|
|
target_compile_options(${target} PRIVATE -fstack-protector-strong)
|
|
endif()
|
|
if(MINGW OR CYGWIN)
|
|
target_compile_options(${target} PRIVATE -mno-ms-bitfields)
|
|
endif()
|
|
endif()
|
|
if(LINUX)
|
|
target_compile_definitions(${target} PRIVATE _GNU_SOURCE)
|
|
endif()
|
|
if(ENABLE_SANITIZERS)
|
|
if(MSVC)
|
|
message(FATAL_ERROR "ASan + UBSan requires GCC or Clang")
|
|
endif()
|
|
target_compile_options(${target} PRIVATE -fsanitize=address,undefined -fno-sanitize-recover=all -fno-omit-frame-pointer)
|
|
target_link_options(${target} PRIVATE -fsanitize=address,undefined)
|
|
endif()
|
|
if(ENABLE_COVERAGE)
|
|
target_compile_options(${target} PRIVATE -O0 --coverage)
|
|
target_link_options(${target} PRIVATE --coverage)
|
|
endif()
|
|
endfunction()
|
|
|
|
# Extra warnings for source files written as C++ from the start (src/core,
|
|
# src/event, src/crypto and their tests). Per file, so targets that also
|
|
# compile converted C modules keep those at -Wall. Source properties are
|
|
# directory-scoped: call this from the directory that defines the targets.
|
|
function(ss_strict_warnings)
|
|
if(NOT MSVC)
|
|
set_source_files_properties(${ARGN} PROPERTIES COMPILE_OPTIONS
|
|
"-Wextra;$<$<CXX_COMPILER_ID:GNU>:-Wsign-compare>;$<$<CXX_COMPILER_ID:GNU>:-Wclass-memaccess>")
|
|
endif()
|
|
endfunction()
|