[PATCH v2] newlib: libm: merge build up a directory

[Corinna Vinschen]

On Feb 21 19:12, Jon Turney wrote:
> On 21/02/2022 18:30, Mike Frysinger wrote:
> > > > > 
> > > > > Can you please take a look?
> > > > 
> > > > how do you build cygwin ?  i've just been doing w/newlib-cygwin git checkout:
> > > > $ ./configure --target=i686-pc-cygwin && make
> > > > $ ./configure --target=x86_64-pc-cygwin && make
> > > > these are passing for me
> > > 
> > > You'll need to apply this patch:
> > > 
> > > https://cygwin.com/pipermail/cygwin-patches/2022q1/011766.html
> > > 
> > > Otherwise, you are linking with a stale libm.a left in your builddir
> > > from before these changes.
> > 
> > while i often test incremental changes, i `rm -rf` the build dir when running
> > the full test suite to avoid possible issues like this.  and in this case,
> > both targets pass from a fresh build.
> 
> Have you run autogen.sh in the winsup/ directory?  The top-level will just
> ignore it if there is no ./configure there, and it's not checked in.

Also, always build in an external build dir.  This may not be a problem
anymore, but in the olden days a build in the sourcedir was broken.


Corinna