f50d3582b4
On Apple platforms, some of the stddef.h types are also declared in system headers. In particular NULL has a conflicting declaration in <sys/_types/_null.h>. When that's in a different module from <__stddef_null.h>, redeclaration errors can occur. Make the \_\_stddef_ headers be non-modular in -fbuiltin-headers-in-system-modules and restore them back to not respecting their header guards. Still define the header guards though. __stddef_max_align_t.h was in _Builtin_stddef_max_align_t prior to the addition of _Builtin_stddef, and it needs to stay in a module because struct's can't be type merged. __stddef_wint_t.h didn't used to have a module, but leave it in it current module since it doesn't really belong to stddef.h.
21 lines
708 B
C
21 lines
708 B
C
/*===---- __stddef_size_t.h - Definition of size_t -------------------------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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/*
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* When -fbuiltin-headers-in-system-modules is set this is a non-modular header
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* and needs to behave as if it was textual.
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*/
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#if !defined(_SIZE_T) || \
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(__has_feature(modules) && !__building_module(_Builtin_stddef))
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#define _SIZE_T
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typedef __SIZE_TYPE__ size_t;
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#endif
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