Re: [gtk-osx-users] Error when compiling gobject-introspection on macOS 10.13

[John Ralls <jralls ceridwen us>]

> On Sep 16, 2017, at 10:04 AM, Jiří Techet <techet gmail com> wrote:
>
> Hi John,
>
> that's strange. I don't need python at all for the project myself and there's no need to bundle it - it's 
> just used when building gobject-introspection. Simple
>
> jhbuild bootstrap && jhbuild build meta-gtk-osx-bootstrap && jhbuild build meta-gtk-osx-core 
>
> used to work fine - now it fails when gobject-introspection starts compiling. I don't know, it may not be 
> because of macOS 10.13 - it could also be because of some recent change in the modules (haven't tried them 
> in the last 2 months).
>
> Jiri
>
> On Sat, Sep 16, 2017 at 5:30 PM, John Ralls <jralls ceridwen us> wrote:
>
>
> > On Sep 16, 2017, at 7:42 AM, Jiří Techet <techet gmail com> wrote:
> >
> > Hi,
> >
> > I got the following error during jhbuild when compiling gobject-introspection:
> >
> >   GISCAN   GLib-2.0.gir
> > Traceback (most recent call last):
> >   File "./g-ir-scanner", line 66, in <module>
> >     sys.exit(scanner_main(sys.argv))
> >   File "./giscanner/scannermain.py", line 538, in scanner_main
> >     ss = create_source_scanner(options, args)
> >   File "./giscanner/scannermain.py", line 446, in create_source_scanner
> >     ss.parse_files(filenames)
> >   File "./giscanner/sourcescanner.py", line 262, in parse_files
> >     self._parse(headers)
> >   File "./giscanner/sourcescanner.py", line 305, in _parse
> >     self._cpp_options)
> >   File "./giscanner/ccompiler.py", line 200, in preprocess
> >     extra_postargs=extra_postargs)
> >   File 
> > "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/unixccompiler.py", line 
> > 112, in preprocess
> >     self.spawn(pp_args)
> >   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/ccompiler.py", 
> > line 875, in spawn
> >     spawn(cmd, dry_run=self.dry_run)
> >   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/spawn.py", line 
> > 38, in spawn
> >     _spawn_posix(cmd, search_path, dry_run=dry_run)
> >   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/spawn.py", line 
> > 139, in _spawn_posix
> >     raise DistutilsPlatformError(my_msg)
> > distutils.errors.DistutilsPlatformError: $MACOSX_DEPLOYMENT_TARGET mismatch: now "10.6" but "10.13" 
> > during configure
> > make[2]: *** [GLib-2.0.gir] Error 1
> > make[1]: *** [all-recursive] Error 1
> > make: *** [all] Error 2
> > *** Error during phase build of gobject-introspection: ########## Error running make -j 9  *** [5/11]
> >
> >
> > My deployment target is 10.6 and it seems that the deployment target of python under macOS 10.13 is 10.13 
> > which leads to this error.
> >
> > I don't know what the proper fix is but as a workaround I tried to add the following line into 
> > giscanner/ccompiler.py just before the call which causes the error:
> >
> > os.environ["MACOSX_DEPLOYMENT_TARGET"] = "10.13"
> >
> > This overrides the deployment target just for the run of the introspection script and makes it work. Not 
> > very nice though.
>
> That’s always been true. Build python as part of your project and include it in the bundle. Note that it 
> needs openssl. Another user found that building both of them before bootstrapping allowed openssl to build 
> and install without manual intervention, but I haven’t been able to get that to work for me.
>
> BTW have you tested your build on a 10.6 system? When I tried to build for 10.6 using the 10.11 SDK it 
> built but crashed when I tried to run on a 10.6 VM.

Jiri,

It might be a change in gobject-introspection. I don't remember it needing to link Libpython.

Regards,
John Ralls