On Wed, Jan 29, 2014 at 02:59:44PM -0800, James Dennett wrote: > On Wed, Jan 29, 2014 at 1:32 PM, Daniel Liew <[email protected]> > wrote: > > Hi Nico, > > > >> This breaks systems that keep "python" as python2 and don't have a > >> "python2" > >> binary, no? > > > > It would totally depend on the distro but in my experience > > "/usr/bin/python" and "/usr/bin/python2" are both symbolic links to > > the real python executables. So it works fine for many distros that > > only have python2.x and do not have python3 as well. > > > > E.g. on Ubuntu 12.04 LTS (Python2 is default) > > > > $ ls /usr/bin/python* > > /usr/bin/python /usr/bin/python2 /usr/bin/python2.7 > > /usr/bin/python-mkdebian > > dan@Sputnik:~$ ls -l /usr/bin/python* > > lrwxrwxrwx 1 root root 9 Jun 18 2013 /usr/bin/python -> python2.7 > > lrwxrwxrwx 1 root root 9 Jun 18 2013 /usr/bin/python2 -> python2.7 > > -rwxr-xr-x 1 root root 2989496 Sep 26 21:29 /usr/bin/python2.7 > > -rwxr-xr-x 1 root root 14078 Jul 12 2012 /usr/bin/python-mkdebian > > > > and similarly on Fedora 18 (python2 is default) > > > > $ ls -l /usr/bin/python* > > lrwxrwxrwx. 1 root root 7 Jan 22 2013 /usr/bin/python -> python2 > > lrwxrwxrwx. 1 root root 9 Jan 22 2013 /usr/bin/python2 -> python2.7 > > -rwxr-xr-x. 1 root root 7120 Aug 9 2012 /usr/bin/python2.7 > > -rwxr-xr-x. 1 root root 1785 Aug 9 2012 /usr/bin/python2.7-config > > lrwxrwxrwx. 1 root root 16 Jan 24 2013 /usr/bin/python2-config -> > > python2.7-config > > lrwxrwxrwx. 1 root root 14 Jan 24 2013 /usr/bin/python-config -> > > python2-config > > lrwxrwxrwx. 1 root root 3 Aug 1 23:06 /usr/bin/python-pip -> pip > > > > and on something like Arch Linux where Python3 is default (I also have > > python2.7 installed along side) > > > > $ ls /usr/bin/python* > > lrwxrwxrwx 1 root root 7 Nov 26 16:42 /usr/bin/python -> python3 > > lrwxrwxrwx 1 root root 9 Nov 26 15:53 /usr/bin/python2 -> python2.7 > > -rwxr-xr-x 1 root root 6224 Nov 26 15:53 /usr/bin/python2.7 > > -rwxr-xr-x 1 root root 1668 Nov 26 15:53 /usr/bin/python2.7-config > > lrwxrwxrwx 1 root root 16 Nov 26 15:53 /usr/bin/python2-config -> > > python2.7-config > > -rwxr-xr-x 1 root root 94 Aug 22 13:15 /usr/bin/python2-pyuic4 > > lrwxrwxrwx 1 root root 9 Nov 26 16:42 /usr/bin/python3 -> python3.3 > > -rwxr-xr-x 2 root root 10384 Nov 26 16:42 /usr/bin/python3.3 > > lrwxrwxrwx 1 root root 17 Nov 26 16:42 /usr/bin/python3.3-config -> > > python3.3m-config > > -rwxr-xr-x 2 root root 10384 Nov 26 16:42 /usr/bin/python3.3m > > -rwxr-xr-x 1 root root 1972 Nov 26 16:42 /usr/bin/python3.3m-config > > lrwxrwxrwx 1 root root 16 Nov 26 16:42 /usr/bin/python3-config -> > > python3.3-config > > lrwxrwxrwx 1 root root 14 Nov 26 16:42 /usr/bin/python-config -> > > python3-config > > > > The patch is fine for the Linux distros that I use but I cannot speak > > for everybody. Do you know anyone that uses a (still supported) > > distribution that does not provide the python2 symlink? I haven't > > talked about OSX at all... I don't use it so I can't test it but I > > would be surprised if it didn't work because I've written python > > scripts before (with the same shebang) that I know OSX users use. > > It doesn't appear to work on OS X, which has python2.4, python2.5, > python2.6 and python2.7 as well as plain python, but no python2 (on my > system).
Was the original purpose of this patch to fix the build with python3? If yes, is there some other solution? -Tom > _______________________________________________ > cfe-commits mailing list > [email protected] > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
