brethen-air:~ marbre$ port select --summary Warning: port definitions are more than two weeks old, consider updating them by running 'port selfupdate'. Name Selected Options ==== ======== ======= clang none mp-clang-6.0 none cython none cython36 none gcc none mp-gcc7 none ipython py34-ipython none llvm none mp-llvm-3.4 mp-llvm-6.0 none mpi none mpich-mp-fortran none nosetests none nosetests36 none pip pip34 none py-sympy py36-sympy py36-sympy none python python27 python26-apple python27 python27-apple python36 none python2 python27 python26-apple python27 python27-apple none python3 python36 python36 none wxWidgets none wxWidgets-3.0 none
With macports python 2.7 it’s a different error:
:info:build
/opt/local/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python:
can't open file 'setup.py': [Errno 2] No such file or directory
:info:build Command failed: cd
"/opt/local/var/macports/build/_Users_marbre_ports_math_reduce/libreduce/work/Reduce-svn4765-src/generic/libreduce/x86_64-mac_10.12_sierra-darwin16.7.0"
&& /opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
setup.py --no-user-cfg build
:info:build Exit code: 2
:error:build Failed to build libreduce: command execution failed
:debug:build Error code: CHILDSTATUS 96796 2
:debug:build Backtrace: command execution failed
:debug:build while executing
:debug:build "system {*}$notty {*}$nice $fullcmdstring"
:debug:build invoked from within
:debug:build "command_exec build"
:debug:build (procedure "portbuild::build_main" line 8)
:debug:build invoked from within
:debug:build "$procedure $targetname"
:error:build See
/opt/local/var/macports/logs/_Users_marbre_ports_math_reduce/libreduce/main.log
for details.
main.log
Description: Binary data
Mark Brethen mark.bret...@gmail.com > On Oct 28, 2018, at 4:25 PM, Ryan Schmidt <ryandes...@macports.org> wrote: > > > > On Oct 28, 2018, at 16:08, Mark Brethen wrote: > >> Quite by accident I have discovered a flaw with my libreduce port as regards >> to "port select —set python". I had not set a default python version before >> I built the reduce libraries, unaware it was using apple's system python 2.7 >> to build. However, when I set a python version using port select —set python >> and add the python group, libreduce fails at configure. There is a file >> ‘ac_python_devel.m4’ in the source directory that is throwing the error (see >> attached). I’m not sure why builds with apple’s python and not macports. >> >> <main.log><ac_python_devel.m4> > > Which version of python did you select? > > The error shown in your log is: > > :info:configure checking for python... /opt/local/bin/python > :info:configure checking for a version of Python >= '2.1.0'... File > "<string>", line 1 > :info:configure import sys, string; ver = > string.split(sys.version)[0]; print ver >= '2.1.0' > :info:configure > ^ > :info:configure SyntaxError: invalid syntax > :info:configure no > > If I pass that code to MacPorts python2.7 it works fine. If I pass it to > MacPorts python3.5 it shows an invalid syntax error, because it is: python3 > changed the syntax of the print command. It's now a function, not a language > construct, so parentheses need to be used. > > In addition, string.split is gone in python3. > > Code that works with both python2 and python3 is: > > import sys, string; ver = sys.version.split()[0]; print(ver >= '2.1.0') > > You might suggest that to the developers of this software. > > Using a string comparison operator on version numbers is probably wrong too. > > If the configure script's code wasn't compatible with python3, who knows if > the rest of the project's python code is. If it's not, easiest to just force > the port to use /usr/bin/python. Setting "configure.python /usr/bin/python" > might do that. >
