[Buildroot] [PATCH v2 2/9] dumb-init: new package

[Yann E. MORIN <yann.morin.1998@free.fr>]

Baruch, All,

On 2018-03-02 01:02 +0200, Baruch Siach spake thusly:
> On Thu, Mar 01, 2018 at 11:23:42PM +0100, Yann E. MORIN wrote:
> > On 2018-03-01 23:04 +0100, Thomas Petazzoni spake thusly:
> > > On Thu, 01 Mar 2018 18:21:53 +0100, Peter Korsgaard wrote:
> > > >  >> dumb-init doesn't depend on any libraries, so the only issue is static
> > > >  >> linking with glibc, right?  
> > 
> > One can do a static link with glibc, as long as one does not do any name
> > resolution (username, hostname, etc...). But basically, static linking
> > with glibc has long been frowned upon...
> 
> This has changed a little recently. Toolchain support is still limited though. 
> glibc NEWS for 2.27 says:
> 
> * The GNU C Library can now be compiled with support for building static
>   PIE executables (See --enable-static-pie in INSTALL).  These static PIE
>   executables are like static executables but can be loaded at any address
>   and provide additional security hardening benefits at the cost of some
>   memory and performance.  When the library is built with --enable-static-pie
>   the resulting libc.a is usable with GCC 8 and above to create static PIE
>   executables using the GCC option '-static-pie'.  This feature is currently
>   supported on i386, x86_64 and x32 with binutils 2.29 or later, and on
>   aarch64 with binutils 2.30 or later.

Ah, interesting, thanks! :-)

I always wondered why pie and static were mutually exclusive...
Afterall, semantically they mean two orthogonal things.

Incidentally, I also always wondered why code was not
position-indpendent by default...

Regards,
Yann E. MORIN.

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