Joe Strout wrote:
I just downloaded the mysqldb module from sourceforge to have a look
at how it decides how to compile its C extension. It looks like it's
getting the CFLAGS and LFLAGS from mysql_config. You'll need a
universal binary of libmysqlclient (as Chris already pointed out).
ouch, this does complicate things a bit -- as I have no idea how to get
a "universal" mysql_config -- it may be telling distutils to build the
extension with only one architecture.
OK, but to be clear, libmysqlclient isn't something from somewhere else
that mysqldb uses -- it's the C extension of mysqldb itself, right?
Something built when I do "python setup.py install" in the mysqldb
source directory?
nope -- see my other note.
the extensions that distutils builds will be called something like
_mysql. It will be in site_packages, and in your app bundle, along with
.py and .pyc files, NOT in with FrameWorks.
At any rate, you'll want to try to see what CFLAGS/LFLAGS were used to
compile libmysqlclient. You might try to run the following command in
terminal:
$ mysql_config --cflags
here's mine:
$ /usr/local/mysql/bin/mysql_config --cflags
-I/usr/local/mysql/include -g -Os -arch ppc -fno-common
-D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ
-DIGNORE_SIGHUP_SIGQUIT -DDONT_DECLARE_CXA_PURE_VIRTUAL
Darn -- there is an "-arch ppc" in there. However, it may be that
distutils still add the "arch i386" who knows?
if you get it to build, you can then look at what it builds, and see if
that's Universal or not:
$ file name_of_lib
You can find what it builds in the "build" directory that distutils
creates when you run "setup.py build". It will be in something like:
build/lib.macosx-10.3-ppc-2.5
and I think will be called -mysql.so
but I don't actually have it building here.
I suppose I should try -- now that I've gone this far!
-Chris
--
Christopher Barker, Ph.D.
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Emergency Response Division
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chris.bar...@noaa.gov
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