Re: [Qemu-devel] [PATCH for-2.5] makefile: fix w32 install target for qemu-ga

[Michael Roth <mdroth@linux.vnet.ibm.com>]

Quoting Stefan Weil (2015-11-16 16:03:49)
> This mail arrived with one day delay (obviously caused by the
> mailing list server). Please see my comments below.
> 
> Am 15.11.2015 um 17:12 schrieb Michael Roth:
> > fafcaf1 added a 'qemu-ga' install target on w32, which can be used
> > in place of the existing qemu-ga.exe target to also handle dealing
> > with other components such as DLLs for VSS/fsfreeze and generating
> > an MSI package if appropriate configure options are present.
> >
> > As part of that, qemu-ga$(EXESUF) was removed from $TOOLS in favor
> > of this new qemu-ga target.
> >
> > The install rule however relies on a direct mapping of the $TOOLS
> > entry to the actual resulting binary. In the case of w32, qemu-ga
> > is not identical to qemu-ga$(EXESUF), and the install recipe fails
> > to find the 'qemu-ga' binary.
> >
> > Fix this by essentially remapping 'qemu-ga' back to 'qemu-ga.exe'
> > in the install recipe.
> >
> > This raises the question of whether or not qemu-ga should continue
> > to live in TOOLS as opposed to it's own special target, but as a
> 
> its?
> 
> > late fix for a regression in 2.5 this commit should be safer, since
> > we rely on qemu-ga's presence in $TOOLS in several places throughout
> > Makefile.
> >
> > Reported-by: Stefan Weil <sw@weilnetz.de>
> > Cc: Paolo Bonzini <pbonzini@redhat.com>
> > Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
> > ---
> >  Makefile | 6 +++++-
> >  1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/Makefile b/Makefile
> > index fc1f8bb..8acda9e 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -440,7 +440,11 @@ endif
> >  install: all $(if $(BUILD_DOCS),install-doc) \
> >  install-datadir install-localstatedir
> >  ifneq ($(TOOLS),)
> > -     $(call install-prog,$(TOOLS),$(DESTDIR)$(bindir))
> > +     $(call install-prog,$(filter-out qemu-ga,$(TOOLS)),$(DESTDIR)$(bindir))
> > +     # qemu-ga is included in TOOLS, but we need special install rules for w32
> > +ifneq (,$(findstring qemu-ga,$(TOOLS)))
> > +     $(call install-prog,qemu-ga$(EXESUF),$(DESTDIR)$(bindir))
> > +endif
> >  endif
> >  ifneq ($(CONFIG_MODULES),)
> >       $(INSTALL_DIR) "$(DESTDIR)$(qemu_moddir)"
> 
> Reviewed-by: Stefan Weil <sw@weilnetz.de>
> 
> The patch is not pretty at all, but it works for 2.5.
> 
> We should improve this and also some redundant dependencies
> like this one later:
> 
> $(QEMU_GA_MSI): qemu-ga.exe $(QGA_VSS_PROVIDER)
> qemu-ga: qemu-ga$(EXESUF) $(QGA_VSS_PROVIDER) $(QEMU_GA_MSI)

Agreed. Will look at this as part of cleaning up the TOOLS hacks.

Thanks for the review, applied to qga tree with commit msg fixup:

  https://github.com/mdroth/qemu/commits/qga

> 
> Thanks,
> Stefan
> 
>