[llvm-commits] CVS: llvm/include/Support/hash_set.in hash_set

[Brian Gaeke]

Changes in directory llvm/include/Support:

hash_set.in added (r1.1)
hash_set (r1.13) removed

---
Log message:

Renamed to hash_set.in; move to using autoconf substitution tags.

---
Diffs of the changes:  (+67 -0)

Index: llvm/include/Support/hash_set.in
diff -c /dev/null llvm/include/Support/hash_set.in:1.1
*** /dev/null	Mon Feb 23 12:56:46 2004
--- llvm/include/Support/hash_set.in	Mon Feb 23 12:56:36 2004
***************
*** 0 ****
--- 1,67 ----
+ //===-- Support/hash_set - "Portable" wrapper around hash_set ---*- C++ -*-===//
+ // 
+ //                     The LLVM Compiler Infrastructure
+ //
+ // This file was developed by the LLVM research group and is distributed under
+ // the University of Illinois Open Source License. See LICENSE.TXT for details.
+ // 
+ //===----------------------------------------------------------------------===//
+ // vim:ft=cpp
+ //
+ // This file provides a wrapper around the mysterious <hash_set> header file
+ // that seems to move around between GCC releases into and out of namespaces at
+ // will.  #including this header will cause hash_set to be available in the
+ // global namespace.
+ //
+ //===----------------------------------------------------------------------===//
+ 
+ #ifndef SUPPORT_HASH_SET
+ #define SUPPORT_HASH_SET
+ 
+ // Compiler Support Matrix
+ //
+ // Version   Namespace   Header File
+ //  2.95.x       ::        hash_set
+ //  3.0.4       std      ext/hash_set
+ //  3.1      __gnu_cxx   ext/hash_set
+ //
+ 
+ // GCC versions 3.1 and later put hash_set in <ext/hash_set> and in
+ // the __gnu_cxx namespace.
+ #if @HAVE_GNU_EXT_HASH_SET@
+ # include <ext/hash_set>
+ # ifndef HASH_NAMESPACE
+ #  define HASH_NAMESPACE __gnu_cxx
+ # endif
+ 
+ // GCC 3.0.x puts hash_set in <ext/hash_set> and in the std namespace.
+ #elif @HAVE_STD_EXT_HASH_SET@
+ # include <ext/hash_set>
+ # ifndef HASH_NAMESPACE
+ #  define HASH_NAMESPACE std
+ # endif
+ 
+ // Older compilers such as GCC before version 3.0 do not keep
+ // extensions in the `ext' directory, and ignore the `std' namespace.
+ #elif @HAVE_GLOBAL_HASH_SET@
+ # include <hash_set>
+ # ifndef HASH_NAMESPACE
+ #  define HASH_NAMESPACE std
+ # endif
+ 
+ // Give a warning if we couldn't find it, instead of (or in addition to)
+ // randomly doing something dumb.
+ #else
+ # warning "Autoconfiguration failed to find the hash_set header file."
+ #endif
+ 
+ using HASH_NAMESPACE::hash_set;
+ using HASH_NAMESPACE::hash;
+ 
+ // Include vector because ext/hash_set includes stl_vector.h and leaves
+ // out specializations like stl_bvector.h, causing link conflicts.
+ #include <vector>
+ 
+ #include <Support/HashExtras.h>
+ 
+ #endif