/usr/include/omniORB4/linkHacks.h is in libomniorb4-dev 4.2.2-0.8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | // -*- Mode: C++; -*-
// Package : omniORB2
// linkHacks.h Created on: 26/07/2001
// Author : Duncan Grisby (dpg1)
//
// Copyright (C) 2001 AT&T Laboratories, Cambridge
//
// This file is part of the omniORB library
//
// The omniORB library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see http://www.gnu.org/licenses/
//
//
// Description:
// *** PROPRIETARY INTERFACE ***
//
// Macros to alleviate the sheer ugliness of forcing modules with
// static initialisers to run, even when statically linked.
#ifndef __LINKHACKS_H__
#define __LINKHACKS_H__
//
// OMNI_EXPORT_LINK_FORCE_SYMBOL exports a symbol from a module
//
#if defined(__vxWorks__)
#define OMNI_EXPORT_LINK_FORCE_SYMBOL(modname) \
int _omni_ ## modname ## _should_be_linked_but_is_not_; \
void _dummy_ ## modname ## _workaround_for_bug_in_munch_2_cdtor_c_ () {}
#else
#define OMNI_EXPORT_LINK_FORCE_SYMBOL(modname) \
int _omni_ ## modname ## _should_be_linked_but_is_not_ = 0
#endif
//
// OMNI_FORCE_LINK forces linking with a module
//
#if defined(OMNI_NEED_STATIC_FUNC_TO_FORCE_LINK)
// Some compilers/linkers are too clever for their own good and remove
// the unused reference to the forcelink symbol. Having a function
// that references it seems to help.
#define OMNI_FORCE_LINK(modname) \
extern int _omni_ ## modname ## _should_be_linked_but_is_not_; \
static int _omni_ ## modname ## _forcelink_ = \
_omni_ ## modname ## _should_be_linked_but_is_not_++; \
static int _omni_ ## modname ## _value_ () { \
return _omni_ ## modname ## _forcelink_; \
}
#elif defined(_MSC_VER)
// The Windows non-uniform memory model means that we cannot access
// the integer's value. Referring to its address is sufficient to
// force MSVC to link correctly.
#define OMNI_FORCE_LINK(modname) \
extern int _omni_ ## modname ## _should_be_linked_but_is_not_; \
static int* _omni_ ## modname ## _forcelink_ = \
&_omni_ ## modname ## _should_be_linked_but_is_not_
#else
// On other platforms, we modify the integer, ensuring we properly
// link to it.
#define OMNI_FORCE_LINK(modname) \
extern int _omni_ ## modname ## _should_be_linked_but_is_not_; \
static int _omni_ ## modname ## _forcelink_ = \
_omni_ ## modname ## _should_be_linked_but_is_not_++
#endif
#endif // __LINKHACKS_H__
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