[cfe-dev] [PATCH] Libc++ Windows fixes

Ruben Van Boxem vanboxem.ruben at gmail.com
Sun Oct 16 12:26:42 PDT 2011


2011/10/16 Aaron Ballman <aaron at aaronballman.com>

> On Sun, Oct 16, 2011 at 6:17 AM, Ruben Van Boxem
> <vanboxem.ruben at gmail.com> wrote:
> >  - pragma GCC system_header needed to be surrounded by an ifdef, because
> > MSVC doesn't even have a sensible equivalent. I'll just need to eradicate
> > all code that produces warnings :)
> >  - I added a _WIN32 _LIBCPP_VISIBILITY section to correspond to the
> > dllimport/dllexport stuff. I removed _LIBCPP_VISIBILITY_TAG because it is
> > useless. I used the "cxx_EXPORTS" define I get from the CMake build. Is
> it
> > supposed to be used for this? If so, please correct, although there will
> > need to be a (compiler) define to activate the correct definition when
> > building against a pre-built DLL libc++. For static these should all be
> > no-ops, and every symbol should be available.
> >  - I added a _MSC_VER section detailing all (missing) compiler features.
> > Inline namespaces is the worst, for now, MSVC produces unversioned
> symbols.
> > I asked on SO.com for a workaround, but haven't gotten any response yet
> :(
> >  - I also fixed some formatting in results.Windows
> >  - I tried to make do_scan_is better, to allow for more than one mask
> bit,
> > like do_is before. I hope I got the logic right.
> >
> > Please comment or apply. Hopefully more inbound, unless I run into an
> > unfixable compiler incompatibility.
>
> > --- test/input.output/iostream.format/ext.manip/get_time.pass.cpp
> (revision 141003)
> > +++ test/input.output/iostream.format/ext.manip/get_time.pass.cpp
> (working copy)
> >
> > @@ -70,4 +72,8 @@
> >          assert(is.eof());
> >          assert(!is.fail());
> >      }
> > +     catch( std::exception &e )
> > +     {
> > +         std::cout << e.what();
> > +     }
> > }
>
> Tabs snuck in here.
>

A whole file snuck in there, removed it. That's a fix for later.

>
> > --- include/__config  (revision 141003)
> > +++ include/__config  (working copy)
> >
> > @@ -275,8 +307,30 @@
> >  using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
> >  }
> >
> > -#endif  // defined(__GNUC__)
> > +#elif defined(_MSC_VER)
> >
> > +#define _LIBCPP_HAS_NO_UNICODE_CHARS
> > +#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
> > +#define _LIBCPP_HAS_NO_CONSTEXPR
> > +#define _LIBCPP_HAS_NO_UNICODE_CHARS
>
> _LIBCPP_HAS_NO_UNICODE_CHARS is defined twice.
>

Duplicate removed.


>
> > --- src/locale.cpp    (revision 141003)
> > +++ src/locale.cpp    (working copy)
> > @@ -1089,17 +1089,18 @@
> >          if (iswctype_l(*low, m, __l))
> >              break;
> >  #else
> > -        if (m & space && !iswspace_l(*low, __l)) continue;
> > -        if (m & print && !iswprint_l(*low, __l)) continue;
> > -        if (m & cntrl && !iswcntrl_l(*low, __l)) continue;
> > -        if (m & upper && !iswupper_l(*low, __l)) continue;
> > -        if (m & lower && !iswlower_l(*low, __l)) continue;
> > -        if (m & alpha && !iswalpha_l(*low, __l)) continue;
> > -        if (m & digit && !iswdigit_l(*low, __l)) continue;
> > -        if (m & punct && !iswpunct_l(*low, __l)) continue;
> > -        if (m & xdigit && !iswxdigit_l(*low, __l)) continue;
> > -        if (m & blank && !iswblank_l(*low, __l)) continue;
> > -        break;
> > +        bool should_break = false
> > +        if (m & space && !iswspace_l(*low, __l)) should_break |= true;
> > +        if (m & print && !iswprint_l(*low, __l)) should_break |= true;
> > +        if (m & cntrl && !iswcntrl_l(*low, __l)) should_break |= true;
> > +        if (m & upper && !iswupper_l(*low, __l)) should_break |= true;
> > +        if (m & lower && !iswlower_l(*low, __l)) should_break |= true;
> > +        if (m & alpha && !iswalpha_l(*low, __l)) should_break |= true;
> > +        if (m & digit && !iswdigit_l(*low, __l)) should_break |= true;
> > +        if (m & punct && !iswpunct_l(*low, __l)) should_break |= true;
> > +        if (m & xdigit && !iswxdigit_l(*low, __l)) should_break |= true;
> > +        if (m & blank && !iswblank_l(*low, __l)) should_break |= true;
> > +        if( should_break ) break;
> >  #endif
> >      }
> >      return low;
>
> I don't believe these are equivalent.  In the first case, as soon as
> something fails the is* test, you start the next loop iteration.  If
> you find nothing failing the loop test, you break.  In the second
> case, you plow through all of the is* tests and then break if any of
> them fail.  Maybe they're not meant to be equivalent and I'm just not
> understanding the reason for the logic change, though.
>

OK, I removed this part too. Never mind about this...

Fresh patch attached.

Ruben

>
> ~Aaron
>
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Index: include/iostream
===================================================================
--- include/iostream	(revision 141003)
+++ include/iostream	(working copy)
@@ -40,7 +40,9 @@
 #include <istream>
 #include <ostream>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cstdio
===================================================================
--- include/cstdio	(revision 141003)
+++ include/cstdio	(working copy)
@@ -99,7 +99,9 @@
 #include <__config>
 #include <stdio.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cstdarg
===================================================================
--- include/cstdarg	(revision 141003)
+++ include/cstdarg	(working copy)
@@ -35,7 +35,9 @@
 #include <__config>
 #include <stdarg.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__hash_table
===================================================================
--- include/__hash_table	(revision 141003)
+++ include/__hash_table	(working copy)
@@ -18,7 +18,9 @@
 #include <algorithm>
 #include <cmath>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/tuple
===================================================================
--- include/tuple	(revision 141003)
+++ include/tuple	(working copy)
@@ -119,7 +119,9 @@
 #include <memory>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__mutex_base
===================================================================
--- include/__mutex_base	(revision 141003)
+++ include/__mutex_base	(working copy)
@@ -16,7 +16,9 @@
 #include <system_error>
 #include <pthread.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #ifdef _LIBCPP_SHARED_LOCK
 
Index: include/iomanip
===================================================================
--- include/iomanip	(revision 141003)
+++ include/iomanip	(working copy)
@@ -33,7 +33,9 @@
 #include <__config>
 #include <istream>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/system_error
===================================================================
--- include/system_error	(revision 141003)
+++ include/system_error	(working copy)
@@ -223,7 +223,9 @@
 #include <stdexcept>
 #include <__functional_base>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/complex.h
===================================================================
--- include/complex.h	(revision 141003)
+++ include/complex.h	(working copy)
@@ -28,6 +28,8 @@
 
 #endif  // __cplusplus
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #endif  // _LIBCPP_COMPLEX_H
Index: include/numeric
===================================================================
--- include/numeric	(revision 141003)
+++ include/numeric	(working copy)
@@ -60,7 +60,9 @@
 #include <__config>
 #include <iterator>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/utility
===================================================================
--- include/utility	(revision 141003)
+++ include/utility	(working copy)
@@ -125,7 +125,9 @@
 #include <__tuple>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cwchar
===================================================================
--- include/cwchar	(revision 141003)
+++ include/cwchar	(working copy)
@@ -110,7 +110,9 @@
 #include <support/win32/support.h> // pull in *swprintf defines
 #endif // _WIN32
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/type_traits
===================================================================
--- include/type_traits	(revision 141003)
+++ include/type_traits	(working copy)
@@ -142,7 +142,9 @@
 #include <__config>
 #include <cstddef>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
@@ -891,12 +893,12 @@
 
 #define _CREATE_ALIGNED_STORAGE_SPECIALIZATION(n) \
 template <size_t _Len>\
-struct __attribute__ ((__visibility__("default"))) aligned_storage<_Len, n>\
+struct _LIBCPP_VISIBLE aligned_storage<_Len, n>\
 {\
     struct type\
     {\
         unsigned char _[_Len];\
-    } __attribute__((__aligned__(n)));\
+    } _ATTRIBUTE(__aligned__(n));\
 }
 
 _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1);
@@ -913,7 +915,10 @@
 _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x800);
 _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1000);
 _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2000);
+// MSDN says that MSVC does not support alignment beyond 8192 (=0x2000)
+#if !defined(_MSC_VER)
 _CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4000);
+#endif // !_MSC_VER
 
 #undef _CREATE_ALIGNED_STORAGE_SPECIALIZATION
 
@@ -933,7 +938,7 @@
     typedef typename __promote<_A2>::type __type2;
     typedef typename __promote<_A3>::type __type3;
 public:
-    typedef __typeof__(__type1() + __type2() + __type3()) type;
+    typedef decltype(__type1() + __type2() + __type3()) type;
 };
 
 template <class _A1, class _A2>
@@ -943,7 +948,7 @@
     typedef typename __promote<_A1>::type __type1;
     typedef typename __promote<_A2>::type __type2;
 public:
-    typedef __typeof__(__type1() + __type2()) type;
+    typedef decltype(__type1() + __type2()) type;
 };
 
 template <class _A1>
Index: include/thread
===================================================================
--- include/thread	(revision 141003)
+++ include/thread	(working copy)
@@ -100,7 +100,9 @@
 #endif
 #include <pthread.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #define __STDCPP_THREADS__ __cplusplus
 
Index: include/cstdint
===================================================================
--- include/cstdint	(revision 141003)
+++ include/cstdint	(working copy)
@@ -144,7 +144,9 @@
 #include <__config>
 #include <stdint.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/memory
===================================================================
--- include/memory	(revision 141003)
+++ include/memory	(working copy)
@@ -600,7 +600,9 @@
     #include <cassert>
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cstdbool
===================================================================
--- include/cstdbool	(revision 141003)
+++ include/cstdbool	(working copy)
@@ -22,7 +22,9 @@
 
 #include <__config>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #undef __bool_true_false_are_defined
 #define __bool_true_false_are_defined 1
Index: include/cstddef
===================================================================
--- include/cstddef	(revision 141003)
+++ include/cstddef	(working copy)
@@ -43,7 +43,9 @@
 
 #include <stddef.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/atomic
===================================================================
--- include/atomic	(revision 141003)
+++ include/atomic	(working copy)
@@ -526,7 +526,9 @@
 #include <cstdint>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/map
===================================================================
--- include/map	(revision 141003)
+++ include/map	(working copy)
@@ -375,7 +375,9 @@
 #include <functional>
 #include <initializer_list>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/ratio
===================================================================
--- include/ratio	(revision 141003)
+++ include/ratio	(working copy)
@@ -70,7 +70,9 @@
 #include <climits>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__split_buffer
===================================================================
--- include/__split_buffer	(revision 141003)
+++ include/__split_buffer	(working copy)
@@ -6,7 +6,9 @@
 #include <type_traits>
 #include <algorithm>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cstdlib
===================================================================
--- include/cstdlib	(revision 141003)
+++ include/cstdlib	(working copy)
@@ -82,7 +82,9 @@
 #include <__config>
 #include <stdlib.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/unordered_map
===================================================================
--- include/unordered_map	(revision 141003)
+++ include/unordered_map	(working copy)
@@ -319,7 +319,9 @@
 #include <functional>
 #include <stdexcept>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cctype
===================================================================
--- include/cctype	(revision 141003)
+++ include/cctype	(working copy)
@@ -38,7 +38,9 @@
 #include <__config>
 #include <ctype.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/chrono
===================================================================
--- include/chrono	(revision 141003)
+++ include/chrono	(working copy)
@@ -255,7 +255,9 @@
 #include <ratio>
 #include <limits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/iterator
===================================================================
--- include/iterator	(revision 141003)
+++ include/iterator	(working copy)
@@ -321,7 +321,9 @@
 #include <cassert>
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__bit_reference
===================================================================
--- include/__bit_reference	(revision 141003)
+++ include/__bit_reference	(working copy)
@@ -14,7 +14,9 @@
 #include <__config>
 #include <algorithm>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/bitset
===================================================================
--- include/bitset	(revision 141003)
+++ include/bitset	(working copy)
@@ -113,7 +113,9 @@
 
 */
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #include <__config>
 #include <__bit_reference>
Index: include/set
===================================================================
--- include/set	(revision 141003)
+++ include/set	(working copy)
@@ -338,7 +338,9 @@
 #include <__tree>
 #include <functional>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/iosfwd
===================================================================
--- include/iosfwd	(revision 141003)
+++ include/iosfwd	(working copy)
@@ -89,7 +89,9 @@
 #include <__config>
 #include <wchar.h>  // for mbstate_t
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/condition_variable
===================================================================
--- include/condition_variable	(revision 141003)
+++ include/condition_variable	(working copy)
@@ -111,7 +111,9 @@
 #include <__mutex_base>
 #include <memory>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cmath
===================================================================
--- include/cmath	(revision 141003)
+++ include/cmath	(working copy)
@@ -301,7 +301,9 @@
 #include <math.h>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 // signbit
 
Index: include/limits
===================================================================
--- include/limits	(revision 141003)
+++ include/limits	(working copy)
@@ -102,7 +102,9 @@
 
 */
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #include <__config>
 #include <type_traits>
Index: include/unordered_set
===================================================================
--- include/unordered_set	(revision 141003)
+++ include/unordered_set	(working copy)
@@ -305,7 +305,9 @@
 #include <__hash_table>
 #include <functional>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/mutex
===================================================================
--- include/mutex	(revision 141003)
+++ include/mutex	(working copy)
@@ -179,7 +179,9 @@
 #include <tuple>
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__functional_03
===================================================================
--- include/__functional_03	(revision 141003)
+++ include/__functional_03	(working copy)
@@ -13,7 +13,9 @@
 
 // manual variadic expansion for <functional>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 template <class _Tp>
 class __mem_fn
Index: include/__sso_allocator
===================================================================
--- include/__sso_allocator	(revision 141003)
+++ include/__sso_allocator	(working copy)
@@ -15,7 +15,9 @@
 #include <type_traits>
 #include <new>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/functional
===================================================================
--- include/functional	(revision 141003)
+++ include/functional	(working copy)
@@ -467,7 +467,9 @@
 
 #include <__functional_base>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/istream
===================================================================
--- include/istream	(revision 141003)
+++ include/istream	(working copy)
@@ -155,7 +155,9 @@
 #include <__config>
 #include <ostream>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/stack
===================================================================
--- include/stack	(revision 141003)
+++ include/stack	(working copy)
@@ -85,7 +85,9 @@
 #include <__config>
 #include <deque>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/csetjmp
===================================================================
--- include/csetjmp	(revision 141003)
+++ include/csetjmp	(working copy)
@@ -34,7 +34,9 @@
 #include <__config>
 #include <setjmp.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #ifndef setjmp
 #define setjmp(env) setjmp(env)
Index: include/string
===================================================================
--- include/string	(revision 141003)
+++ include/string	(working copy)
@@ -446,7 +446,9 @@
 #include <cassert>
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/complex
===================================================================
--- include/complex	(revision 141003)
+++ include/complex	(working copy)
@@ -249,7 +249,9 @@
     #include <cassert>
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cfloat
===================================================================
--- include/cfloat	(revision 141003)
+++ include/cfloat	(working copy)
@@ -63,7 +63,9 @@
 #include <__config>
 #include <float.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #ifndef FLT_EVAL_METHOD
 #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
Index: include/typeindex
===================================================================
--- include/typeindex	(revision 141003)
+++ include/typeindex	(working copy)
@@ -49,7 +49,9 @@
 #include <typeinfo>
 #include <__functional_base>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/tgmath.h
===================================================================
--- include/tgmath.h	(revision 141003)
+++ include/tgmath.h	(working copy)
@@ -22,6 +22,8 @@
 #include <complex.h>
 #include <math.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #endif  // _LIBCPP_TGMATH_H
Index: include/ostream
===================================================================
--- include/ostream	(revision 141003)
+++ include/ostream	(working copy)
@@ -133,7 +133,9 @@
 #include <iterator>
 #include <bitset>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/ccomplex
===================================================================
--- include/ccomplex	(revision 141003)
+++ include/ccomplex	(working copy)
@@ -20,7 +20,9 @@
 
 #include <complex>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 // hh 080623 Created
 
Index: include/scoped_allocator
===================================================================
--- include/scoped_allocator	(revision 141003)
+++ include/scoped_allocator	(working copy)
@@ -106,7 +106,9 @@
 #include <__config>
 #include <memory>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/sstream
===================================================================
--- include/sstream	(revision 141003)
+++ include/sstream	(working copy)
@@ -175,7 +175,9 @@
 #include <istream>
 #include <string>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/initializer_list
===================================================================
--- include/initializer_list	(revision 141003)
+++ include/initializer_list	(working copy)
@@ -46,7 +46,9 @@
 #include <__config>
 #include <cstddef>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 namespace std  // purposefully not versioned
 {
Index: include/csignal
===================================================================
--- include/csignal	(revision 141003)
+++ include/csignal	(working copy)
@@ -43,7 +43,9 @@
 #include <__config>
 #include <signal.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/valarray
===================================================================
--- include/valarray	(revision 141003)
+++ include/valarray	(working copy)
@@ -346,7 +346,9 @@
 #include <algorithm>
 #include <functional>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cinttypes
===================================================================
--- include/cinttypes	(revision 141003)
+++ include/cinttypes	(working copy)
@@ -239,7 +239,9 @@
 #include <cstdint>
 #include <inttypes.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/algorithm
===================================================================
--- include/algorithm	(revision 141003)
+++ include/algorithm	(working copy)
@@ -595,7 +595,9 @@
 #include <iterator>
 #include <cstdlib>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/ctgmath
===================================================================
--- include/ctgmath	(revision 141003)
+++ include/ctgmath	(working copy)
@@ -22,6 +22,8 @@
 #include <ccomplex>
 #include <cmath>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #endif  // _LIBCPP_CTGMATH
Index: include/__functional_base
===================================================================
--- include/__functional_base	(revision 141003)
+++ include/__functional_base	(working copy)
@@ -16,7 +16,9 @@
 #include <typeinfo>
 #include <exception>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/typeinfo
===================================================================
--- include/typeinfo	(revision 141003)
+++ include/typeinfo	(working copy)
@@ -61,7 +61,9 @@
 #include <exception>
 #include <cstddef>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 namespace std  // purposefully not using versioning namespace
 {
Index: include/ciso646
===================================================================
--- include/ciso646	(revision 141003)
+++ include/ciso646	(working copy)
@@ -18,6 +18,8 @@
 
 #include <__config>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #endif  // _LIBCPP_CISO646
Index: include/exception
===================================================================
--- include/exception	(revision 141003)
+++ include/exception	(working copy)
@@ -80,7 +80,9 @@
 #include <cstddef>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 namespace std  // purposefully not using versioning namespace
 {
Index: include/locale
===================================================================
--- include/locale	(revision 141003)
+++ include/locale	(working copy)
@@ -192,7 +192,9 @@
 #include <nl_types.h>
 #endif  // !_WIN32
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/forward_list
===================================================================
--- include/forward_list	(revision 141003)
+++ include/forward_list	(working copy)
@@ -174,7 +174,9 @@
 #include <iterator>
 #include <algorithm>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cfenv
===================================================================
--- include/cfenv	(revision 141003)
+++ include/cfenv	(working copy)
@@ -56,7 +56,9 @@
 #include <__config>
 #include <fenv.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/vector
===================================================================
--- include/vector	(revision 141003)
+++ include/vector	(working copy)
@@ -270,7 +270,9 @@
 #include <__split_buffer>
 #include <__functional_base>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/deque
===================================================================
--- include/deque	(revision 141003)
+++ include/deque	(working copy)
@@ -150,7 +150,9 @@
 
 */
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #include <__config>
 #include <__split_buffer>
Index: include/__config
===================================================================
--- include/__config	(revision 141003)
+++ include/__config	(working copy)
@@ -11,7 +11,9 @@
 #ifndef _LIBCPP_CONFIG
 #define _LIBCPP_CONFIG
 
+#if !_MSC_VER // explicit macro necessary because it is only defined below in this file
 #pragma GCC system_header
+#endif
 
 #define _LIBCPP_VERSION 1001
 
@@ -69,17 +71,45 @@
 # endif
 #endif  // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
 
-#ifndef _LIBCPP_VISIBILITY_TAG
-#define _LIBCPP_VISIBILITY_TAG 1
+#if _WIN32
+
+// only really useful for a DLL
+#ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally...
+# ifdef cxx_EXPORTS
+#  define _LIBCPP_HIDDEN
+#  define _LIBCPP_VISIBLE __cdecl(dllexport)
+# else
+#  define _LIBCPP_HIDDEN
+#  define _LIBCPP_VISIBLE __cdecl(dllimport)
+# endif
+#else
+# define _LIBCPP_HIDDEN
+# define _LIBCPP_VISIBLE
 #endif
 
-#if _LIBCPP_VISIBILITY_TAG
+#ifndef _LIBCPP_INLINE_VISIBILITY
+#define _LIBCPP_INLINE_VISIBILITY __forceinline
+#endif
+
+#ifndef _LIBCPP_EXCEPTION_ABI
+#define _LIBCPP_EXCEPTION_ABI _LIBCPP_VISIBLE
+#endif
+
+#ifndef _LIBCPP_ALWAYS_INLINE
+# if _MSC_VER
+# define _LIBCPP_ALWAYS_INLINE __forceinline
+# endif
+#endif
+
+#endif // _WIN32
+
+#ifndef _LIBCPP_HIDDEN
 #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
+#endif
+
+#ifndef _LIBCPP_VISIBLE
 #define _LIBCPP_VISIBLE __attribute__ ((__visibility__("default")))
-#else  // _LIBCPP_VISIBILITY_TAG
-#define _LIBCPP_HIDDEN
-#define _LIBCPP_VISIBLE
-#endif  // _LIBCPP_VISIBILITY_TAG
+#endif
 
 #ifndef _LIBCPP_INLINE_VISIBILITY
 #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
@@ -89,9 +119,13 @@
 #define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
 #endif
 
+#ifndef _LIBCPP_CANTTHROW
 #define _LIBCPP_CANTTHROW __attribute__ ((__nothrow__))
+#endif
 
+#ifndef _LIBCPP_ALWAYS_INLINE
 #define _LIBCPP_ALWAYS_INLINE  __attribute__ ((__visibility__("hidden"), __always_inline__))
+#endif
 
 #if defined(__clang__)
 
@@ -181,16 +215,6 @@
 #define _LIBCPP_HAS_OBJC_ARC_WEAK
 #endif
 
-// Inline namespaces are available in Clang regardless of C++ dialect.
-#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
-#define _LIBCPP_END_NAMESPACE_STD  } }
-#define _VSTD std::_LIBCPP_NAMESPACE
-
-namespace std {
-  inline namespace _LIBCPP_NAMESPACE {
-  }
-}
-
 #if !(__has_feature(cxx_constexpr))
 #define _LIBCPP_HAS_NO_CONSTEXPR
 #endif
@@ -207,7 +231,15 @@
 #  define _LIBCXX_UNDERLYING_TYPE(T) __underlying_type(T)
 #endif
 
-// end defined(__clang__)
+// Inline namespaces are available in Clang regardless of C++ dialect.
+#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
+#define _LIBCPP_END_NAMESPACE_STD  } }
+#define _VSTD std::_LIBCPP_NAMESPACE
+#warning AAAAAH
+namespace std {
+  inline namespace _LIBCPP_NAMESPACE {
+  }
+}
 
 #elif defined(__GNUC__)
 
@@ -275,8 +307,29 @@
 using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
 }
 
-#endif  // defined(__GNUC__)
+#elif defined(_MSC_VER)
 
+#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
+#define _LIBCPP_HAS_NO_CONSTEXPR
+#define _LIBCPP_HAS_NO_UNICODE_CHARS
+#define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
+#define __alignof__ __alignof
+#define __aligned__ align
+#define _ATTRIBUTE __declspec
+#define _LIBCPP_HAS_NO_VARIADICS
+
+#define _NOEXCEPT throw()
+#define _NOEXCEPT_(x)
+
+#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
+#define _LIBCPP_END_NAMESPACE_STD  }
+#define _VSTD std
+
+namespace std {
+}
+
+#endif // __clang__ || __GNUC___ || _MSC_VER
+
 #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
 typedef unsigned short char16_t;
 typedef unsigned int   char32_t;
Index: include/stdexcept
===================================================================
--- include/stdexcept	(revision 141003)
+++ include/stdexcept	(working copy)
@@ -46,7 +46,9 @@
 #include <exception>
 #include <iosfwd>  // for string forward decl
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 namespace std  // purposefully not using versioning namespace
 {
Index: include/climits
===================================================================
--- include/climits	(revision 141003)
+++ include/climits	(working copy)
@@ -41,6 +41,8 @@
 #include <__config>
 #include <limits.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #endif  // _LIBCPP_CLIMITS
Index: include/cstring
===================================================================
--- include/cstring	(revision 141003)
+++ include/cstring	(working copy)
@@ -60,7 +60,9 @@
 #include <__config>
 #include <string.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/future
===================================================================
--- include/future	(revision 141003)
+++ include/future	(working copy)
@@ -370,7 +370,9 @@
 #include <mutex>
 #include <thread>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/regex
===================================================================
--- include/regex	(revision 141003)
+++ include/regex	(working copy)
@@ -732,7 +732,9 @@
 #include <vector>
 #include <deque>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/list
===================================================================
--- include/list	(revision 141003)
+++ include/list	(working copy)
@@ -176,7 +176,9 @@
 #include <iterator>
 #include <algorithm>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cwctype
===================================================================
--- include/cwctype	(revision 141003)
+++ include/cwctype	(working copy)
@@ -54,7 +54,9 @@
 #include <cctype>
 #include <wctype.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/random
===================================================================
--- include/random	(revision 141003)
+++ include/random	(working copy)
@@ -1646,7 +1646,9 @@
 #include <ostream>
 #include <cmath>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/queue
===================================================================
--- include/queue	(revision 141003)
+++ include/queue	(working copy)
@@ -171,7 +171,9 @@
 #include <functional>
 #include <algorithm>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/strstream
===================================================================
--- include/strstream	(revision 141003)
+++ include/strstream	(working copy)
@@ -131,7 +131,9 @@
 #include <ostream>
 #include <istream>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__tuple
===================================================================
--- include/__tuple	(revision 141003)
+++ include/__tuple	(working copy)
@@ -15,7 +15,9 @@
 #include <cstddef>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #ifdef _LIBCPP_HAS_NO_VARIADICS
 
Index: include/codecvt
===================================================================
--- include/codecvt	(revision 141003)
+++ include/codecvt	(working copy)
@@ -55,7 +55,9 @@
 #include <__config>
 #include <__locale>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cerrno
===================================================================
--- include/cerrno	(revision 141003)
+++ include/cerrno	(working copy)
@@ -26,7 +26,9 @@
 #include <__config>
 #include <errno.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 #if !defined(EOWNERDEAD) || !defined(ENOTRECOVERABLE)
 
Index: include/streambuf
===================================================================
--- include/streambuf	(revision 141003)
+++ include/streambuf	(working copy)
@@ -112,7 +112,9 @@
 #include <iosfwd>
 #include <ios>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__tuple_03
===================================================================
--- include/__tuple_03	(revision 141003)
+++ include/__tuple_03	(working copy)
@@ -13,7 +13,9 @@
 
 #include <__config>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/new
===================================================================
--- include/new	(revision 141003)
+++ include/new	(working copy)
@@ -56,7 +56,9 @@
 #include <exception>
 #include <cstddef>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 namespace std  // purposefully not using versioning namespace
 {
Index: include/ios
===================================================================
--- include/ios	(revision 141003)
+++ include/ios	(working copy)
@@ -216,7 +216,9 @@
 #include <__locale>
 #include <system_error>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__tree
===================================================================
--- include/__tree	(revision 141003)
+++ include/__tree	(working copy)
@@ -17,7 +17,9 @@
 #include <stdexcept>
 #include <algorithm>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__locale
===================================================================
--- include/__locale	(revision 141003)
+++ include/__locale	(working copy)
@@ -25,7 +25,9 @@
 # include <xlocale.h>
 #endif  // _WIN32
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/fstream
===================================================================
--- include/fstream	(revision 141003)
+++ include/fstream	(working copy)
@@ -171,7 +171,9 @@
 #include <__locale>
 #include <cstdio>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/ctime
===================================================================
--- include/ctime	(revision 141003)
+++ include/ctime	(working copy)
@@ -47,7 +47,9 @@
 #include <__config>
 #include <time.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/clocale
===================================================================
--- include/clocale	(revision 141003)
+++ include/clocale	(working copy)
@@ -38,7 +38,9 @@
 #include <__config>
 #include <locale.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/__std_stream
===================================================================
--- include/__std_stream	(revision 141003)
+++ include/__std_stream	(working copy)
@@ -17,7 +17,9 @@
 #include <__locale>
 #include <cstdio>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: include/cassert
===================================================================
--- include/cassert	(revision 141003)
+++ include/cassert	(working copy)
@@ -20,4 +20,6 @@
 #include <__config>
 #include <assert.h>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
Index: include/array
===================================================================
--- include/array	(revision 141003)
+++ include/array	(working copy)
@@ -111,7 +111,9 @@
     #include <cassert>
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
Index: www/results.Windows.html
===================================================================
--- www/results.Windows.html	(revision 141003)
+++ www/results.Windows.html	(working copy)
@@ -157,7 +157,8 @@
     copy.pass.cpp: Windows locale names don't follow UNIX convention.
     default.pass.cpp: idem.
    streambuf.members/
-    locales.pass.cpp: Windows locale names don't follow UNIX convention.
+    streambuf.locales/
+     locales.pass.cpp: Windows locale names don't follow UNIX convention.
    streambuf.protected/
     streambuf.assign/
 	 assign.pass.cpp: Windows locale names don't follow UNIX convention.
@@ -223,21 +224,20 @@
      wchar_t_unshift.pass.cpp: idem.
    locale.codecvt.byname/
     ctor_wchar_t.pass.cpp: Windows locale names don't follow UNIX convention.
-   locale.ctype/
-    locale.ctype.byname/
-     is_1.pass.cpp: Windows locale names don't follow UNIX convention.
-     is_many.pass.cpp: idem.
-     narrow_1.pass.cpp: idem.
-     narrow_many.pass.cpp: idem.
-     scan_is.pass.cpp: idem.
-     scan_not.pass.cpp: idem.
-     tolower_1.pass.cpp: idem.
-     tolower_many.pass.cpp: idem.
-     toupper_1.pass.cpp: idem.
-     toupper_many.pass.cpp: idem.
-     types.pass.cpp: idem.
-     widen_1.pass.cpp: idem.
-     widen_many.pass.cpp: idem.
+   locale.ctype.byname/
+    is_1.pass.cpp: Windows locale names don't follow UNIX convention.
+    is_many.pass.cpp: idem.
+    narrow_1.pass.cpp: idem.
+    narrow_many.pass.cpp: idem.
+    scan_is.pass.cpp: idem.
+    scan_not.pass.cpp: idem.
+    tolower_1.pass.cpp: idem.
+    tolower_many.pass.cpp: idem.
+    toupper_1.pass.cpp: idem.
+    toupper_many.pass.cpp: idem.
+    types.pass.cpp: idem.
+    widen_1.pass.cpp: idem.
+    widen_many.pass.cpp: idem.
   category.monetary/
    locale.money.get/
     locale.money.get.members/


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