Python language bindings not building. #29
Description
Python language bindings not building
When compiling the python language bindings on Ubuntu 18.04 with python 2.7 or python 3.6 I get the following error after running.
cmake -DTESTS=ON -DPYTHON=ON ../
make
relocation R_X86_64_PC32 against symbol `PyFunction_Type' can not be used when making a shared object; recompile with -fPIC
I tried adding -fPIC to the compiler options by editing the cmakelists.txt but the same error always occurred. The project builds fine without the python laugauge bindings option.
The entire output of make is shown below.
Scanning dependencies of target _cdr
[ 80%] Building CXX object src/bindings/python/CMakeFiles/_cdr.dir/cdrPYTHON_wrap.cxx.o
/home/calum/Documents/ros2_ade/rosbag2_logs/analyse_logs/codec/build/src/CDR_PROJECT-build/src/bindings/python/cdrPYTHON_wrap.cxx: In function ‘void neueda_cdr___setitem__(neueda::cdr*, const cdrKey_t&, PyObject*)’:
/home/calum/Documents/ros2_ade/rosbag2_logs/analyse_logs/codec/build/src/CDR_PROJECT-build/src/bindings/python/cdrPYTHON_wrap.cxx:5732:38: warning: format not a string literal and no format arguments [-Wformat-security]
self->setString (key, val);
^
[100%] Linking CXX shared module _cdr.so
/home/calum/.pyenv/versions/2.7.13/lib/python2.7/config/libpython2.7.a(posixmodule.o): In function `posix_tmpnam':
/tmp/python-build.20190816152236.19304/Python-2.7.13/./Modules/posixmodule.c:7614: warning: the use of `tmpnam_r' is dangerous, better use `mkstemp'
/home/calum/.pyenv/versions/2.7.13/lib/python2.7/config/libpython2.7.a(posixmodule.o): In function `posix_tempnam':
/tmp/python-build.20190816152236.19304/Python-2.7.13/./Modules/posixmodule.c:7561: warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/bin/ld: /home/calum/.pyenv/versions/2.7.13/lib/python2.7/config/libpython2.7.a(ceval.o): relocation R_X86_64_PC32 against symbol `PyFunction_Type' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: Bad value
collect2: error: ld returned 1 exit status
src/bindings/python/CMakeFiles/_cdr.dir/build.make:104: recipe for target 'src/bindings/python/_cdr.so' failed
make[5]: *** [src/bindings/python/_cdr.so] Error 1
CMakeFiles/Makefile2:160: recipe for target 'src/bindings/python/CMakeFiles/_cdr.dir/all' failed
make[4]: *** [src/bindings/python/CMakeFiles/_cdr.dir/all] Error 2
Makefile:151: recipe for target 'all' failed
make[3]: *** [all] Error 2
CMakeFiles/CDR_PROJECT.dir/build.make:110: recipe for target 'src/CDR_PROJECT-stamp/CDR_PROJECT-build' failed
make[2]: *** [src/CDR_PROJECT-stamp/CDR_PROJECT-build] Error 2
CMakeFiles/Makefile2:259: recipe for target 'CMakeFiles/CDR_PROJECT.dir/all' failed
make[1]: *** [CMakeFiles/CDR_PROJECT.dir/all] Error 2
Makefile:162: recipe for target 'all' failed
make: *** [all] Error 2