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Add support for hidden visibility 

llvm-svn: 28968
This commit is contained in:
Chris Lattner 2006-06-28 21:38:04 +00:00
parent c327932ac1
commit 9fbcf35407
1 changed files with 23 additions and 0 deletions
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23
llvm/include/llvm/Support/Visibility.h Normal file
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//===-- llvm/Support/Visibility.h - visibility(hidden) support --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the VISIBILITY_HIDDEN macro, used for marking classes with
// the GCC-specific visibility("hidden") attribute.
//
//===----------------------------------------------------------------------===//
#ifndef VISIBILITY_HIDDEN
#if __GNUC__ >= 4
#define VISIBILITY_HIDDEN __attribute__ ((visibility("hidden")))
#else
#define VISIBILITY_HIDDEN
#endif
#endif