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On 29/01/14 17:12, Jeff Johnston wrote: > I'm ok with it since there is a work-around if needed and it is in an > architecture-specific directory. So, go ahead. > > -- Jeff J. > > ----- Original Message ----- > From: "Corinna Vinschen" <vinschen@redhat.com> > To: newlib@sourceware.org > Sent: Wednesday, January 29, 2014 8:30:55 AM > Subject: Re: [RFC][AArch64] Support in-tree building with libgloss and linker scripts (specs files) > > On Jan 29 13:09, Marcus Shawcroft wrote: >> On 24 January 2014 14:46, Richard Earnshaw <rearnsha@arm.com> wrote: >>> When using libgloss and linker scripts unified source tree builds >>> (gcc+newlib+binutils) fail when building the libraries because the >>> linker scripts have not been installed at that time. >>> >>> A suitable solution to this is to make copies of the scripts in the >>> build area, which the compiler is configured to search during the build. >>> Then using LDFLAGS_FOR_TARGET=-specs=<spec-file> flag will correctly >>> pick up the appropriate libgloss specs file. >>> >>> I've marked this as an RFC as I'm not sure if the pattern-based rule is >>> GNUmake specific, and if it is, whether this is not appropriate for >>> newlib -- it could be written out long-hand, but this rule makes the >>> construct trivial to port to other libgloss targets. >>> >>> This was the only patch I needed to make an aarch64-elf unified tree >>> build and run the gcc testsuite. >>> >>> Thoughts please? >> >> Installing the scripts in the build area makes sense to me, but I >> think we need an ack from Jeff or Corinna w.r.t the use of GNU make >> extensions. > > Personally I don't care. If it's ok with Jeff, it's ok with me. > > > Corinna > Thanks, done. This is what I finally committed -- the only change is to extend the "clean" rule to remove the copies. R. 2014-02-03 Richard Earnshaw <rearnsha@arm.com> * aarch64/Makefile.in (RDIMON_SCRIPTS): Rule to build in-tree copies of scripts. (all): Build the in-tree copies of the scripts. (clean): Also delete the in-tree copies of the scripts.
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