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| author | Louis Dionne <ldionne.2@gmail.com> | 2023-12-19 09:05:32 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-12-19 09:05:32 -0500 |
| commit | ab41ea4be364dcac32d0c4ec990735c8adb279c8 (patch) | |
| tree | 530d529bd0879398f4d27ce4ba113f610f190e54 | |
| parent | e9af57dfea1637a3872052b317c9fe6c71b8d290 (diff) | |
| download | llvm-ab41ea4be364dcac32d0c4ec990735c8adb279c8.zip llvm-ab41ea4be364dcac32d0c4ec990735c8adb279c8.tar.gz llvm-ab41ea4be364dcac32d0c4ec990735c8adb279c8.tar.bz2 | |
[libunwind] Use -nostdlib++ when linking libunwind (#75646)
We shouldn't need to link against libc++ or libc++abi when building
libunwind, since that would otherwise be a circular dependency.
| -rw-r--r-- | libunwind/src/CMakeLists.txt | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/libunwind/src/CMakeLists.txt b/libunwind/src/CMakeLists.txt index abb019b..5708242 100644 --- a/libunwind/src/CMakeLists.txt +++ b/libunwind/src/CMakeLists.txt @@ -66,20 +66,24 @@ set(LIBUNWIND_SOURCES ${LIBUNWIND_ASM_SOURCES}) # Generate library list. -if (LIBUNWIND_USE_COMPILER_RT) - add_library_flags("${LIBUNWIND_BUILTINS_LIBRARY}") +if (CXX_SUPPORTS_NOSTDLIBXX_FLAG) + add_link_flags_if_supported(-nostdlib++) else() - add_library_flags_if(LIBUNWIND_HAS_GCC_S_LIB gcc_s) - add_library_flags_if(LIBUNWIND_HAS_GCC_LIB gcc) -endif() -if (NOT APPLE) # On Apple platforms, we don't need to link explicitly against system libraries + if (LIBUNWIND_USE_COMPILER_RT) + add_library_flags("${LIBUNWIND_BUILTINS_LIBRARY}") + else() + add_library_flags_if(LIBUNWIND_HAS_GCC_S_LIB gcc_s) + add_library_flags_if(LIBUNWIND_HAS_GCC_LIB gcc) + endif() add_library_flags_if(LIBUNWIND_HAS_C_LIB c) +endif() + +if (NOT APPLE) add_library_flags_if(LIBUNWIND_HAS_DL_LIB dl) +endif() - if (LIBUNWIND_ENABLE_THREADS) +if (LIBUNWIND_ENABLE_THREADS AND NOT APPLE) add_library_flags_if(LIBUNWIND_HAS_PTHREAD_LIB pthread) - add_compile_flags_if(LIBUNWIND_WEAK_PTHREAD_LIB -DLIBUNWIND_USE_WEAK_PTHREAD=1) - endif() endif() if (LIBUNWIND_ENABLE_THREADS) |