Re: [gtk-osx-users] Error when compiling gobject-introspection on macOS 10.13
- From: John Ralls <jralls ceridwen us>
- To: Jiřà Techet <techet gmail com>
- Cc: gtk-osx-users-list gnome org
- Subject: Re: [gtk-osx-users] Error when compiling gobject-introspection on macOS 10.13
- Date: Sun, 14 Jan 2018 13:24:38 -0800
On Sep 16, 2017, at 1:04 PM, Jiřà Techet <techet gmail com> wrote:
Just check the backtrace from the first email - there's no C involved. The error message comes from
/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/spawn.py
Jiri
On Sat, Sep 16, 2017 at 9:53 PM, John Ralls <jralls ceridwen us> wrote:
On Sep 16, 2017, at 12:44 PM, Jiřà Techet <techet gmail com> wrote:
Hi John,
at least from the backtrace it doesn't seem to happen when linking libpython but rather when running
preprocess() from
https://docs.python.org/2/distutils/apiref.html
Huh. That's odd, there's no reason that should care about deployment target. You're sure it's using
/usr/bin/python, not linking libpython and calling distutils.preprocess() from C?
Jiri,
Sorry for forgetting about this thread.
We're both wrong, of course. The preprocess function runs cpp, the C preprocessor, on the file. That does
everything starting with # in the file: Composes the compilation unit with #include, selects code blocks in
#if..#else...#endif, and runs all of the preprocessor macros including MAC_OS_X_MIN_SUPPORTED and
MAC_OS_X_MAX_ALLOWED, hence the failure.
But looking through giscanner/ccompiler.py I see that it also has a compile function that does exactly what
one would expect. That will also get tripped up by MAC_OS_X_MIN_VERSION/MAX_ALLOWED.
So either work up a generic patch for ccompiler.py that figures out if there's a mismatch between the
MACOSX_DEPLOYMENT_TARGET set for building the library and the one used by python or just build python as part
of bootstrapping your build environment.
Regards,
John Ralls
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