[libc++abi] Link against libSystem on Apple platforms On Apple platforms, libSystem is an umbrella for all other system libraries, and libpthread (and friends) are actually just symlinks to libSystem. git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@373770 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake index 94f89be..496ed34 100644 --- a/cmake/config-ix.cmake +++ b/cmake/config-ix.cmake
@@ -75,3 +75,4 @@ check_library_exists(pthread pthread_once "" LIBCXXABI_HAS_PTHREAD_LIB) check_library_exists(c __cxa_thread_atexit_impl "" LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL) +check_library_exists(System write "" LIBCXXABI_HAS_SYSTEM_LIB)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 6cfcb9c..cbf4b21 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt
@@ -60,11 +60,16 @@ add_definitions(-DHAVE___CXA_THREAD_ATEXIT_IMPL) endif() -if (LIBCXXABI_ENABLE_THREADS) - add_library_flags_if(LIBCXXABI_HAS_PTHREAD_LIB pthread) +if (APPLE) + add_library_flags_if(LIBCXXABI_HAS_SYSTEM_LIB System) +else() + if (LIBCXXABI_ENABLE_THREADS) + add_library_flags_if(LIBCXXABI_HAS_PTHREAD_LIB pthread) + endif() + + add_library_flags_if(LIBCXXABI_HAS_C_LIB c) endif() -add_library_flags_if(LIBCXXABI_HAS_C_LIB c) if (LIBCXXABI_USE_LLVM_UNWINDER) # Prefer using the in-tree version of libunwind, either shared or static. If # none are found fall back to using -lunwind.
