Quoting Ronald Oussoren <ronaldousso...@mac.com>:
> > If we *deploy* for 10.4 or 10.5
> > while building on Snow Leopard, can we get a 32-bit intel executable
> > via a universal ppc/i386 build?
>
> configure --enable-framework --enable-universalsdk
> make
> make install
>
> This builds a framework install that contains ppc and i386 code.
Thanks, Ronald. According to the Mac/README file, "--enable-universalsdk"
should set a path to an appropriate SDK when used on 10.5 or later.
"--enable-universalsdk=/" should find an appropriate default, but
Ned alerted me that it isn't guaranteed to work in all combinations (there
are so many different option combinations in the configuration that
I suspect not all have been tested/verified). He suggested that,
to play it safe, the configure command should specify the SDK explicitly
(full path to the 10.4, 10.5, or 10.6 SDK), as well as set
--with-universal-archs (choices are in the Mac/README) and
MACOSX_DEPLOYMENT_TARGET (which unfortunately isn't discussed in
the README).
Regarding building 32-bit *alone* on Snow Leopard, I've been having
luck with this, based on a post in a Python bug tracker issue on
readline problems:
./configure --prefix=/usr/local/tmp --enable-framework\
BASECFLAGS="-arch i386" \
CFLAGS="-arch i386" \
LDFLAGS="-arch i386" \
MACOSX_DEPLOYMENT_TARGET=10.6
(of course, set the prefix as you need to).
It also works deploying for 10.5. I'm not setting the universalsdk
here, since I'm not building a universal binary; I hope I'm right
that it's not necessary. In any case, it's passing the expected
tests. I'm using Py-2.6.5rc1.
I was really asking about how to build, on Snow Leopard, a 32-bit
version with a *working* tkinter and IDLE. I finally figured out
a way to modify setup.py to do this (building against Apple's
Tcl/Tk 8.4). It gives an i386 Python framework that passes the tcl
tests, with a working IDLE. I'll post the details shortly in case
it's of use to anyone, but it's a kind of ugly hack. I don't know
if this is interesting enough that I should post the patch on
the Python issue tracker; if so, I'd appreciate a pointer to a
relevant thread.
-Tom
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