On Wed, 9 Mar 2011 18:20:01 -0500
James Y Knight <f...@fuhm.net> wrote:
> It's well known that OpenSSL is incompatible with the GPL. [1] Python (from
> 2.6) is *always* linked against openssl, instead of waiting for you to
> "import ssl".
>
> Doesn't this mean it's now impossible (rather, a license violation) to
> distribute a GPL'd python program (or to use a GPL'd library in your python
> program)? This seems like a problem...
A Python program is not a derivative of the Python interpreter any more
than a C program is a derivative of gcc (or any other compiler).
That said, with a non-shared build of Python 3.x:
$ ldd ./python
linux-vdso.so.1 => (0x00007fffa574d000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fd9a56d2000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007fd9a54ce000)
libutil.so.1 => /lib64/libutil.so.1 (0x00007fd9a52cb000)
libm.so.6 => /lib64/libm.so.6 (0x00007fd9a5049000)
libc.so.6 => /lib64/libc.so.6 (0x00007fd9a4cdd000)
/lib64/ld-linux-x86-64.so.2 (0x00007fd9a58ee000)
$ objdump -p ./python | grep NEEDED
NEEDED libpthread.so.0
NEEDED libdl.so.2
NEEDED libutil.so.1
NEEDED libm.so.6
NEEDED libc.so.6
Also, with the system Python 2.6 shipped on a Mandriva distribution:
$ ldd /usr/bin/python
linux-vdso.so.1 => (0x00007fff8456d000)
libpython2.6.so.1.0 => /usr/lib64/libpython2.6.so.1.0
(0x00007f1a0b1e2000) libc.so.6 => /lib64/libc.so.6 (0x00007f1a0ae76000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f1a0ac72000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f1a0aa56000)
libutil.so.1 => /lib64/libutil.so.1 (0x00007f1a0a853000)
libm.so.6 => /lib64/libm.so.6 (0x00007f1a0a5d1000)
/lib64/ld-linux-x86-64.so.2 (0x00007f1a0b583000)
$ objdump -p /usr/bin/python | grep NEEDED
NEEDED libpython2.6.so.1.0
NEEDED libc.so.6
So I'm not sure which build options led to that result.
Regards
Antoine.
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