[Bug libstdc++/25524] libstdc++ headers should go in multilib directories

[joseph at codesourcery dot com]

------- Comment #2 from joseph at codesourcery dot com  2005-12-21 23:27 -------
Subject: Re:  libstdc++ headers should go in multilib
 directories

On Wed, 21 Dec 2005, gdr at integrable-solutions dot net wrote:

> 
> 
> ------- Comment #1 from gdr at integrable-solutions dot net  2005-12-21 23:23 -------
> Subject: Re:   New: libstdc++ headers should go in multilib directories
> 
> "jsm28 at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> writes:
> 
> | Some libstdc++ headers are installed in GPLUSPLUS_TOOL_INCLUDE_DIR, i.e.
> | include/c++/version/target.  These headers are derived from information
> | configured separately for each multilib, and in general may differ between
> | multilibs, so should go in a multilib directory (e.g.
> | include/c++/version/target/multilib).  The precompiled headers installed
> there,
> | in particular, should be separately installed for each multilib in all cases,
> | even if in some cases the actual text headers happen to be the same for each
> | multilib.
> 
> Most headers are target independents, so should not suffer from
> multilib issue.  I would think that a proper plan to fix this is to
> install target dependent thingies in some deeper subdirectories.

This issue is only for the target-dependent headers (in 
GPLUSPLUS_TOOL_INCLUDE_DIR), which can also be multilib-dependent, not for 
the target-independent headers in GPLUSPLUS_INCLUDE_DIR and 
GPLUSPLUS_BACKWARD_INCLUDE_DIR.  Only GPLUSPLUS_TOOL_INCLUDE_DIR would be 
flagged to use a multilib suffix.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25524