[libcxx-commits] [PATCH] D129469: [libcxxabi][CMake] Set --unwindlib=none when using LLVM libunwind

[Petr Hosek via Phabricator via libcxx-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG1f3f4833eae7: [libcxxabi][CMake] Set --unwindlib=none when using LLVM libunwind (authored by phosek).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129469/new/

https://reviews.llvm.org/D129469

Files:
  libcxxabi/src/CMakeLists.txt


Index: libcxxabi/src/CMakeLists.txt
===================================================================
--- libcxxabi/src/CMakeLists.txt
+++ libcxxabi/src/CMakeLists.txt
@@ -99,6 +99,13 @@
   add_link_flags_if_supported(-nodefaultlibs)
 endif()
 
+if (CXX_SUPPORTS_UNWINDLIB_EQ_NONE_FLAG AND LIBCXXABI_USE_LLVM_UNWINDER)
+  # If we're linking directly against the libunwind that we're building
+  # in the same invocation, don't try to link in the toolchain's
+  # default libunwind (which may be missing still).
+  add_link_flags_if_supported(--unwindlib=none)
+endif()
+
 if ( APPLE )
   if (LLVM_USE_SANITIZER)
     if (("${LLVM_USE_SANITIZER}" STREQUAL "Address") OR


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D129469.444757.patch
Type: text/x-patch
Size: 671 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/libcxx-commits/attachments/20220714/2659d816/attachment.bin>