| # Toolchain-only build products |
| |
| set(CXX_COMPILE_FLAGS) |
| set(CXX_LINK_FLAGS) |
| |
| |
| set(compile_flags |
| # Build the runtime with -Wall to catch, e.g., uninitialized variables |
| # warnings. |
| "-Wall" |
| |
| # C++ code in the runtime and standard library should generally avoid |
| # introducing static constructors or destructors. |
| "-Wglobal-constructors" |
| "-Wexit-time-destructors" |
| |
| # We don't want runtime C++ code to export symbols we didn't explicitly |
| # choose to. |
| "-fvisibility=hidden") |
| |
| |
| # Build the runtime with -Wall to catch, e.g., uninitialized variables |
| # warnings. |
| if(SWIFT_COMPILER_IS_MSVC_LIKE) |
| list(APPEND compile_flags "/W3") |
| else() |
| list(APPEND compile_flags "-Wall") |
| endif() |
| |
| |
| foreach(flag ${compile_flags}) |
| check_cxx_compiler_flag("${flag}" is_supported) |
| if(is_supported) |
| list(APPEND CXX_COMPILE_FLAGS "${flag}") |
| endif() |
| endforeach() |
| unset(compile_flags) |
| |
| |
| if("Thread" IN_LIST SWIFT_RUNTIME_USE_SANITIZERS) |
| list(APPEND CXX_LINK_FLAGS "-fsanitize=thread") |
| endif() |
| |
| # Do not enforce checks for LLVM's ABI-breaking build settings. |
| # The Swift runtime uses some header-only code from LLVM's ADT classes, |
| # but we do not want to link libSupport into the runtime. These checks rely |
| # on the presence of symbols in libSupport to identify how the code was |
| # built and cause link failures for mismatches. Without linking that library, |
| # we get link failures regardless, so instead, this just disables the checks. |
| if(CMAKE_VERSION VERSION_LESS 3.12) |
| append("-DLLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING=1" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) |
| else() |
| add_compile_definitions(LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING=1) |
| endif() |
| |
| |
| add_subdirectory(legacy_layouts) |
| add_subdirectory(Compatibility50) |
| add_subdirectory(CompatibilityDynamicReplacements) |