Re: [gtk-osx-users] [Gtk-osx-users] Problem with pycairo-python

[John Ralls <jralls ceridwen us>]

On Jun 29, 2013, at 10:41 PM, Felix Krause <flyx isobeef org> wrote:

> On 30.06.2013, at 00:23, John Ralls <jralls ceridwen us> wrote:
>
> > I'm no waf expert, but it appears to me that the only way to get it to set CFLAGS from the environment is 
> > to rewrite the wscript, and since I'm no waf expert I find
> > it easier to just build a single-architecture Python. Unfortunately for your case, Python needs to be 
> > built early in the process or dependencies get screwed up, so you should wipe out your source and 
> > installation (prefix) trees and start over, with python in the list of modules to build this time. The 
> > list I just used is:
> > meta-gtk-osx-bootstrap, python, meta-gtk-osx-core, meta-gtk-osx-python.
>
> After wiping source and installation and trying to build this list with jhbuild, I get this when building 
> libxslt:
>
> [...]
> Making all in python
> Making all in .
> SRCDIR=. /Users/Felix/gtk/inst/bin/python ./generator.py
> Traceback (most recent call last):
>  File "./generator.py", line 923, in <module>
>    buildStubs()
>  File "./generator.py", line 405, in buildStubs
>    (parser, target)  = getparser()
>  File "./generator.py", line 26, in getparser
>    parser = xml.sax.make_parser()
>  File "/Users/Felix/gtk/inst/lib/python2.7/xml/sax/__init__.py", line 93, in make_parser
>    raise SAXReaderNotAvailable("No parsers found", None)
> xml.sax._exceptions.SAXReaderNotAvailable: No parsers found
> make[3]: *** [gen_prog] Error 1
> make[2]: *** [all-recursive] Error 1
> make[1]: *** [all-recursive] Error 1
> make: *** [all] Error 2
When that happens (and it doesn't every time) I clean and rebuild python from the shell:
  [1] Rerun phase build
  [2] Ignore error and continue to install
  [3] Give up on module
  [4] Start shell
  [5] Reload configuration
  [6] Go to phase "wipe directory and start over"
  [7] Go to phase "clean"
  [8] Go to phase "distclean"
choice: 4
cd ../Python-2.7.3
make distclean && ./configure --prefix=$PREFIX --with-system-expat --enable-shared && make && make install
exit

The prompt above will get repeated; pick 7 and it should be happy.

> Also, if meta-gtk-osx-python is not able to build without building your own python first, I'd suggest to 
> add this info to https://wiki.gnome.org/GTK%2B/OSX/Python .

Hmm. That's gotten pretty stale: I think I need to redo the whole lot of it from a Lion-and-later perspective 
with additional information for Tiger and the Leopards.

Regards,
John Ralls
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