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Revert "[libc++] Take 2: Do not cleverly link against libc++abi just because it happens to be there"

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r365326 still breaks bots:
http://lab.llvm.org:8011/builders/netbsd-amd64/builds/20712/steps/ninja%20build%20local/logs/stdio
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-autoconf/builds/39477/steps/test%20tsan%20in%20debug%20compiler-rt%20build/logs/stdio

And probably others

This reverts commit 945b9ec069.

llvm-svn: 365359
This commit is contained in:
Vitaly Buka 2019-07-08 17:46:23 +00:00
parent 099231839a
commit a9d5c186e2
2 changed files with 14 additions and 1 deletions
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13
libcxx/CMakeLists.txt
View file

@ -149,9 +149,22 @@ set_property(CACHE LIBCXX_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
# Setup the default options if LIBCXX_CXX_ABI is not specified.
if (LIBCXX_CXX_ABI STREQUAL "default")
find_path(
LIBCXX_LIBCXXABI_INCLUDES_INTERNAL cxxabi.h
PATHS ${LLVM_MAIN_SRC_DIR}/projects/libcxxabi/include
${LLVM_MAIN_SRC_DIR}/runtimes/libcxxabi/include
${LLVM_MAIN_SRC_DIR}/../libcxxabi/include
NO_DEFAULT_PATH
NO_CMAKE_FIND_ROOT_PATH
)
if (LIBCXX_TARGETING_MSVC)
# FIXME: Figure out how to configure the ABI library on Windows.
set(LIBCXX_CXX_ABI_LIBNAME "vcruntime")
elseif ((NOT LIBCXX_STANDALONE_BUILD OR HAVE_LIBCXXABI) AND
IS_DIRECTORY "${LIBCXX_LIBCXXABI_INCLUDES_INTERNAL}")
set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
set(LIBCXX_CXX_ABI_INCLUDE_PATHS "${LIBCXX_LIBCXXABI_INCLUDES_INTERNAL}")
set(LIBCXX_CXX_ABI_INTREE 1)
elseif (APPLE)
set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
set(LIBCXX_CXX_ABI_SYSTEM 1)

2
libcxx/cmake/Modules/HandleLibCXXABI.cmake
View file

@ -98,7 +98,7 @@ if ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libstdc++" OR
"${_LIBSUPCXX_LIBNAME}" "${_LIBSUPCXX_LIBNAME}" "${_LIBSUPCXX_INCLUDE_FILES}" "bits"
)
elseif ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libcxxabi")
if (TARGET cxxabi_shared AND TARGET cxxabi_static)
if (LIBCXX_CXX_ABI_INTREE)
# Link against just-built "cxxabi" target.
set(CXXABI_SHARED_LIBNAME cxxabi_shared)
set(CXXABI_STATIC_LIBNAME cxxabi_static)