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[libcxx{,abi}] Don't link libpthread and libdl on Fuchsia 

These are a part of the libc so linking these explicitly isn't necessary
and embedding these as deplibs causes link time error.

This issues was introduced in a9b5fff which changed how we emit deplibs.

Differential Revision: https://reviews.llvm.org/D71135
This commit is contained in:
Petr Hosek 2019-12-06 11:11:31 -08:00
parent c7faa68142
commit 1aa1702381
2 changed files with 18 additions and 5 deletions
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5
libcxx/cmake/config-ix.cmake
View File

@ -89,6 +89,11 @@ elseif(APPLE)
set(LIBCXX_HAS_PTHREAD_LIB NO)
set(LIBCXX_HAS_M_LIB NO)
set(LIBCXX_HAS_RT_LIB NO)
elseif(FUCHSIA)
set(LIBCXX_HAS_M_LIB NO)
set(LIBCXX_HAS_PTHREAD_LIB NO)
set(LIBCXX_HAS_RT_LIB NO)
set(LIBCXX_HAS_SYSTEM_LIB NO)
else()
check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
check_library_exists(m ccos "" LIBCXX_HAS_M_LIB)

18
libcxxabi/cmake/config-ix.cmake
View File

@ -71,8 +71,16 @@ endif()
check_cxx_compiler_flag(-nostdinc++ LIBCXXABI_HAS_NOSTDINCXX_FLAG)
# Check libraries
check_library_exists(dl dladdr "" LIBCXXABI_HAS_DL_LIB)
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)
if(FUCHSIA)
set(LIBCXXABI_HAS_DL_LIB NO)
set(LIBCXXABI_HAS_PTHREAD_LIB NO)
check_library_exists(c __cxa_thread_atexit_impl ""
LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL)
set(LIBCXXABI_HAS_SYSTEM_LIB NO)
else()
check_library_exists(dl dladdr "" LIBCXXABI_HAS_DL_LIB)
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)
endif()