From f6c4ab901b18b42cf26ad4984466ff9f51c48b42 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Tue, 25 Oct 2016 20:07:49 +0000
Subject: Get libc++abi building with LLVM_ENABLE_MODULES

llvm-svn: 285107
---
 libcxxabi/src/CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libcxxabi/src/CMakeLists.txt b/libcxxabi/src/CMakeLists.txt
index a45c11b676c..e6bd381226c 100644
--- a/libcxxabi/src/CMakeLists.txt
+++ b/libcxxabi/src/CMakeLists.txt
@@ -95,6 +95,12 @@ string(REPLACE ";" " " LIBCXXABI_COMPILE_FLAGS "${LIBCXXABI_COMPILE_FLAGS}")
 string(REPLACE ";" " " LIBCXXABI_LINK_FLAGS "${LIBCXXABI_LINK_FLAGS}")
 string(REPLACE ";" " " LIBCXXABI_SHARED_LINK_FLAGS "${LIBCXXABI_SHARED_LINK_FLAGS}")
 
+# FIXME: libc++abi.so will not link when modules are enabled because it depends
+# on symbols defined in libc++.so which has not yet been built.
+if (LLVM_ENABLE_MODULES)
+  string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
+endif()
+
 # Add a object library that contains the compiled source files.
 add_library(cxxabi_objects OBJECT ${LIBCXXABI_SOURCES} ${LIBCXXABI_HEADERS})
 
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