Re: differences in generated ldscripts for native and cross builds

[Mike Frysinger <vapier at gentoo dot org>]

On 09 Oct 2015 22:45, Alan Modra wrote:
> On Fri, Oct 09, 2015 at 08:43:22AM +0200, Matthias Klose wrote:
> > --- debian/tmp/usr/lib/ldscripts/aarch64elf.x
> > +++ debian/binutils-aarch64-linux-gnu/usr/lib/ldscripts/aarch64elf.x
> > @@ -93,15 +93,15 @@
> >    .init_array     :
> >    {
> >      PROVIDE_HIDDEN (__init_array_start = .);
> > -    KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
> > -    KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o
> > *crtend?.o ) .ctors))
> > +    KEEP (*(SORT(.init_array.*)))
> > +    KEEP (*(.init_array ))
> >      PROVIDE_HIDDEN (__init_array_end = .);
> >    }
> >    .fini_array     :
> >    {
> >      PROVIDE_HIDDEN (__fini_array_start = .);
> > -    KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
> > -    KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o
> > *crtend?.o ) .dtors))
> > +    KEEP (*(SORT(.fini_array.*)))
> > +    KEEP (*(.fini_array ))
> >      PROVIDE_HIDDEN (__fini_array_end = .);
> >    }
> >    .ctors          :
> 
> Try adding --enable-initfini-array to the cross configuration.  The
> autoconf test for this option uses AC_RUN_IFELSE so only works on
> native builds.

can't we make this smarter ?  this feature has been around for quite
a long time now.  seems crazy that the default is to disable these
when cross-compiling.
-mike

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