Fix configuring and building libc++ w/o an ABI library.
Typically libc++ uses libc++abi or libcxxrt to provide the ABI and runtime bits
of the C++ STL. However we also support building w/o an ABI library entirely.
This patch fixes building libc++ w/o an ABI library (and incorporates the
`~type_info()` fix in D28211).
The main changes in this patch are:
1) Add `-DLIBCXX_CXX_ABI=default` instead of using the empty string to mean "default".
2) Fix CMake bits which treated "none" as "default" on OS X.
3) Teach the source files to respect `-D_LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY`.
4) Define ~type_info() when _LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY is defined.
Unfortunately this patch doesn't help clean up the macro mess that we use to
configure for different ABI libraries.
llvm-svn: 290839
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 5d25843f66fbe0bed55bb2ae196e2748d94496c8
diff --git a/src/new.cpp b/src/new.cpp
index 3d8b2a9..734d931 100644
--- a/src/new.cpp
+++ b/src/new.cpp
@@ -13,7 +13,8 @@
#include "new"
-#if defined(__APPLE__) && !defined(LIBCXXRT)
+#if defined(__APPLE__) && !defined(LIBCXXRT) && \
+ !defined(_LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY)
#include <cxxabi.h>
#ifndef _LIBCPPABI_VERSION
@@ -26,7 +27,8 @@
#if defined(LIBCXXRT) || defined(LIBCXX_BUILDING_LIBCXXABI)
#include <cxxabi.h>
#endif // defined(LIBCXX_BUILDING_LIBCXXABI)
- #if !defined(_LIBCPPABI_VERSION) && !defined(__GLIBCXX__)
+ #if defined(_LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY) || \
+ (!defined(_LIBCPPABI_VERSION) && !defined(__GLIBCXX__))
static std::new_handler __new_handler;
#endif // _LIBCPPABI_VERSION
#endif