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Alexey Samsonov: #ifdefs out undefined function in static build of libc++ w/o RTTI.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176026 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant 2013-02-25 15:50:36 +00:00
parent 0560f786fe
commit 4a0e74fff8
2 changed files with 10 additions and 3 deletions
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4
CMakeLists.txt
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@ -228,6 +228,10 @@ else()
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -DNDEBUG)
endif()
endif()
# Static library
if (NOT LIBCXX_ENABLE_SHARED)
list(APPEND LIBCXX_CXX_FEATURE_FLAGS -D_LIBCPP_BUILD_STATIC)
endif()
# This is the _ONLY_ place where add_definitions is called.
add_definitions(

9
include/memory
View File

@ -3629,10 +3629,13 @@ public:
long use_count() const _NOEXCEPT {return __shared_count::use_count();}
__shared_weak_count* lock() _NOEXCEPT;
// purposefully not protected with #ifndef _LIBCPP_NO_RTTI because doing so
// breaks ABI for those clients who need to compile their projects with
// -fno-rtti and yet link against a libc++.dylib compiled without -fno-rtti.
// Define the function out only if we build static libc++ without RTTI.
// Otherwise we may break clients who need to compile their projects with
// -fno-rtti and yet link against a libc++.dylib compiled
// without -fno-rtti.
#if !defined(_LIBCPP_NO_RTTI) || !defined(_LIBCPP_BUILD_STATIC)
virtual const void* __get_deleter(const type_info&) const _NOEXCEPT;
#endif
private:
virtual void __on_zero_shared_weak() _NOEXCEPT = 0;
};