Or-tools: Build is failing in ubuntu

[tk120404]

Unable build the master branch in ubuntu 16.04

make third_party stopped at

-- Installing: /home/ubuntu/or-tools-master/dependencies/install/lib/libabsl_optional.a
-- Installing: /home/ubuntu/or-tools-master/dependencies/install/lib/libabsl_bad_optional_access.a
-- Installing: /home/ubuntu/or-tools-master/dependencies/install/lib/libabsl_bad_variant_access.a
_

make[1]: Leaving directory '/home/ubuntu/or-tools-master/dependencies/sources/abseil-cpp-bf29470/build_cmake'

_

make python failed at
fails with -c ortools/gen/ortools/algorithms/knapsack_solver_python_wrap.cc
-o objs/swig/knapsack_solver_python_wrap.o
g++: error: ortools/gen/ortools/algorithms/knapsack_solver_python_wrap.cc: No such file or directory
g++: fatal error: no input files
compilation terminated.

makefiles/Makefile.python.mk:123: recipe for target 'objs/swig/knapsack_solver_python_wrap.o' failed
make: * [objs/swig/knapsack_solver_python_wrap.o] Error 1

[tk120404]

@Mizux With same master branch we are able to build without any issue in mac OS

[lperron]

Did you install swig ?
Laurent Perron | Operations Research | [email protected] | (33) 1 42 68 53
00

Le jeu. 21 mars 2019 à 11:53, Arjunkumar [e-mail] a
écrit :

@Mizux https://github.com/Mizux With same master branch we are able to
build without any issue in mac OS

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[tk120404]

@lperron No, I didnt. Should we do that in linux? it builds perfectly without it in mac

[lperron]

because xcode installs swig.

https://developers.google.com/optimization/install/python/source_linux
Laurent Perron | Operations Research | [email protected] | (33) 1 42 68 53
00

Le jeu. 21 mars 2019 à 12:04, Arjunkumar [e-mail] a
écrit :

@lperron https://github.com/lperron No, I didnt. Should we do that in
linux? it builds perfectly without it in mac

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[tk120404]

Got it Tx. Installed swig and building it now 🤞

[tk120404]

make test_python failed
Traceback (most recent call last):
File "ortools/constraint_solver/samples/cvrptw_break.py", line 329, in
main()
File "ortools/constraint_solver/samples/cvrptw_break.py", line 325, in main
print_solution(data, manager, routing, assignment)
File "ortools/constraint_solver/samples/cvrptw_break.py", line 214, in print_solution
for i in xrange(intervals.Size()):
File "/home/ubuntu/or-tools-master/ortools/constraint_solver/../gen/ortools/constraint_solver/pywrapcp.py", line 2553, in
__getattr__ = lambda self, name: _swig_getattr(self, IntervalContainer, name)
File "/home/ubuntu/or-tools-master/ortools/constraint_solver/../gen/ortools/constraint_solver/pywrapcp.py", line 74, in _swig_getattr
return _swig_getattr_nondynamic(self, class_type, name, 0)
File "/home/ubuntu/or-tools-

master/ortools/constraint_solver/../gen/ortools/constraint_solver/pywrapcp.py", line 69, in _swig_getattr_nondynamic
return object.__getattr__(self, name)
AttributeError: type object 'object' has no attribute '__getattr__'
makefiles/Makefile.python.mk:484: recipe for target 'rpy_cvrptw_break' failed
make: * [rpy_cvrptw_break] Error 1

[Mizux]

found: code have bee nreverte during the last export form google3
https://github.com/google/or-tools/commit/814935dab7554273b3d6988c64b1d00f530414f1#diff-f745f826960b07eded785fe30b2d7ffd

On my way to revert this part...DONE

[tk120404]

👍 It is fixed now