[Buildroot] [PATCH] ncurses: remove BR2_PACKAGE_NCURSES_TARGET_{FORM, MENU, PANEL} options

[Thomas Petazzoni]

Hello,

On Wed, 22 Feb 2017 22:17:02 +0100, Yann E. MORIN wrote:

> Impressive xommit log. Great! :-)

Thanks!

> >  NCURSES_POST_INSTALL_STAGING_HOOKS += NCURSES_LINK_STAGING_LIBS
> >  NCURSES_POST_INSTALL_STAGING_HOOKS += NCURSES_LINK_STAGING_PC
> > +NCURSES_POST_INSTALL_TARGET_HOOKS += NCURSES_LINK_TARGET_LIBS  
> 
> Would do you need to create the symlinks in target/ ?
> 
> When a program (or lib) is linked to a library, its DT_SONAME is used,
> not the filename.
> 
> So if you have this chain of symlink, with the last element being an
> actual file:
> 
>     libform.so -> libformw.so -> libformw.so.6 -> libformw.so.6.0
> 
> Then 'ld -lform' will in fact use the file libformw.so.6.0, extract its
> DT_SONAME, and use that as a DT_NEEDED in the executable.
> 
> In this case, the DT_SONAME is libformw.so.6

Hum, that's right. Those symlinks are not needd. They were here before,
so I just kept them, but you are indeed right.

> Ditto the syminks about the static libs: they are totally useless in
> target/

Well, static libs are not installed at all on the target, so indeed,
symlinks are useless.

Thanks,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com