SONAME clarification

[Marco Atzeri]

--- "John W. Eaton"  ha scritto:

> On 12-Nov-2008, Marco Atzeri wrote:
> 
> | Hi All,
> | could someone clarify me the scope of 
> | 
> |  { false, "SONAME_FLAGS", OCTAVE_CONF_SONAME_FLAGS
> },
> | 
> | in src/toplev.cc ?
> 
> That is just recording the SONAME_FLAGS in the
> struct that
> octave_config_info returns.
> 

fine so I should have no consequence to change it.

> | I was trying to get rid of SONAME_FLAGS,
> | to solve the cygwin issue of different
> | prefix between DLL and the import library
> | 
> | cygoctave.dll liboctave.dll.a   
> | 
> | see for reference
> | http://cygwin.com/cygwin-ug-net/dll.html
> | 
> | My idea was to define 
> | LIBPRE=cyg
> | 
> | and to replace SONAME_FLAGS with
> | 
> | SOCRUFT_FLAGS='-Wl,--out-implib=libcruft.dll.a'
> | SOOCTAVE_FLAGS='-Wl,--out-implib=liboctave.dll.a'
> |
> SOINTERP_FLAGS='-Wl,--out-implib=liboctinterp.dll.a'
> | 
> | for cygwin and leave 
> 
> It is currently set to
> 
>   SONAME_FLAGS='-Wl,--out-implib=$@.a'
> 
> in configure.in for Cygwin, so I don't see how this
> will change
> anything.  In the places where SONAME_FLAGS is used,
> isn't $@ already
> set to libcruft.dll, liboctave.dll, and
> liboctinterp.dll?
> 
> Oh, I see, you are changing LIBPRE to "cyg".  If you
> do that and you
> also strip it off for the --out-implib option, then
> how about using
> something like
> 
>   SONAME_FLAGS='-Wl,--out-implib=$(patsubst
> $(LIBPRE)%, %, $@).a'

I need to check, in any case there are other points 
where I need to differentiate between
LIBPRE=cyg and an additional SOPRE=lib.
See attached patch, in cygwin it works, and
I should have left correct for all the other systems.

> 
> ?  Would that do what you want?
> 
> Or maybe we need to revisit this whole LIBPRE thing
> so that it is
> used on all systems (i.e., LIBPRE would be set to
> "lib" on Unixy
> systems).
> 
> Comments?
> 
> jwe
> 

Regards
Marco



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