dim created this revision.
dim added reviewers: emaste, EricWF, mclow.lists.
Herald added subscribers: krytarowski, mgorny.
As noted in a discussion about testing the LLVM 6.0.0 release candidates
(with libc++) for FreeBSD, many tests turned out to fail with
"exception_ptr not yet implemented". This was because libc++ did not
choose the correct C++ ABI library, and therefore it fell back to the
`exception_fallback.ipp` header.
Since FreeBSD 10.x, we have been using libcxxrt as our C++ ABI library,
and its headers have always been installed in /usr/include/c++/v1,
together with the (system) libc++ headers. (Older versions of FreeBSD
used GNU libsupc++ by default, but these are now unsupported.)
Therefore, if we are building libc++ for FreeBSD, set:
- `LIBCXX_CXX_ABI_LIBNAME` to "libcxxrt"
- `LIBCXX_CXX_ABI_INCLUDE_PATHS` to "/usr/include/c++/v1"
by default.
Repository:
rCXX libc++
https://reviews.llvm.org/D43166
Files:
CMakeLists.txt
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -136,6 +136,9 @@
elseif (APPLE)
set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
set(LIBCXX_CXX_ABI_SYSTEM 1)
+ elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+ set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt")
+ set(LIBCXX_CXX_ABI_INCLUDE_PATHS "/usr/include/c++/v1")
else()
set(LIBCXX_CXX_ABI_LIBNAME "default")
endif()
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -136,6 +136,9 @@
elseif (APPLE)
set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
set(LIBCXX_CXX_ABI_SYSTEM 1)
+ elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+ set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt")
+ set(LIBCXX_CXX_ABI_INCLUDE_PATHS "/usr/include/c++/v1")
else()
set(LIBCXX_CXX_ABI_LIBNAME "default")
endif()
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