[PATCH] D29575: [libcxx][CMake] Support in-tree libunwind when building as part of runtimes

Petr Hosek via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 6 14:02:19 PST 2017


phosek updated this revision to Diff 87304.

Repository:
  rL LLVM

https://reviews.llvm.org/D29575

Files:
  CMakeLists.txt
  lib/CMakeLists.txt


Index: lib/CMakeLists.txt
===================================================================
--- lib/CMakeLists.txt
+++ lib/CMakeLists.txt
@@ -89,9 +89,9 @@
 
 # Add the unwinder library.
 if (LIBCXXABI_USE_LLVM_UNWINDER)
-  if (TARGET unwind_shared)
+  if (NOT LIBCXXABI_ENABLE_STATIC_UNWINDER AND (TARGET unwind_shared OR HAVE_LIBUNWIND))
     add_interface_library(unwind_shared)
-  elseif (TARGET unwind_static)
+  elseif (LIBCXXABI_ENABLE_STATIC_UNWINDER AND (TARGET unwind_static OR HAVE_LIBUNWIND))
     add_interface_library(unwind_static)
   else()
     add_interface_library(unwind)
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -167,6 +167,7 @@
 # Build libc++abi with libunwind. We need this option to determine whether to
 # link with libunwind or libgcc_s while running the test cases.
 option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF)
+option(LIBCXXABI_ENABLE_STATIC_UNWINDER "Statically link the LLVM unwinder." OFF)
 
 # Target options --------------------------------------------------------------
 option(LIBCXX_BUILD_32_BITS "Build 32 bit libc++." ${LLVM_BUILD_32_BITS})


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