rpmbuild with target i386 on x86_64 sets %{_libdir} to lib64.

[Ralf Corsepius]

On Fri, 2006-09-22 at 11:08 +0200, Ralf Corsepius wrote:
> On Fri, 2006-09-22 at 09:50 +0100, Rob Andrews wrote:
> > On 22-Sep-2006 08:54.24 (BST), Andy Green wrote:
> >  > I see, that would be convenient...
> >  > 
> >  >       --target PLATFORM
> >  >               When building the package, interpret PLATFORM as 
> >  > arch-vendor-os and  set  the  macros
> >  >               %_target, %_target_cpu, and %_target_os accordingly.
> >  > 
> >  > What happens at the moment when you try to use --target then?
> > 
> > Well, using --target i386 on an x86_64 installation, it managed to build
> > i386 binaries (using g++ -m32). But obviously, the library path was wrong.
> > 
> > It most likely managed to build for the correct architecture because it
> > passed --target=%{_target} to the configure script.
> Nope, ... normally --target is not involved/used by most configure
> scripts.
> 
> What triggers compiling for i386's on x86_64 hosts is CFLAGS (-m32
> etc.), i.e. inside of an rpm.spec, it's %rpmopts.

Sorry,  %optflags would have been correct.

Ralf