/usr/include/wvstreams/wvlinkerhack.h is in libwvstreams-dev 4.6.1-5.
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 | #ifndef __WVLINKERHACK_H
#define __WVLINKERHACK_H
/*
* Don't call this directly. It's used by WV_LINK_TO().
*/
extern int **__wv_link_func(int **to);
/**
* Create a target that WV_LINK_TO can point at when it wants to make sure
* your object file is linked into the final binary.
*
* Do not put the name in quotes.
*
* Example (in uniinigen.cc): WV_LINK(UniIniGen);
*/
#define WV_LINK(name) volatile int __wv_link_##name
/**
* Link to a target created by WV_LINK, ensuring that the file which created
* the WV_LINK is included in your final binary. This is useful for ensuring
* particular monikers will always be available when you link statically,
* even though you don't refer to any particular classes implementing that
* moniker directly.
*
* Do not put the name in quotes.
*
* Example (somewhere other than uniinigen.cc): WV_LINK_TO(UniIniGen);
*/
#define WV_LINK_TO(name) \
extern volatile int __wv_link_##name; \
namespace { volatile int __wv_local_a_##name = __wv_link_##name; }
#endif // __WVLINKERHACK_H
|