fedora 37:: Boost compile error due to wrong python used

[adriansev]

Seems that boost use python as dependency and given that is build before python, it will use system python. on fedora 37 this will break with messages related to Py_TYPE like:

2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics:     "g++"   -std=c++17 -fvisibility-inlines-hidden -fPIC -m64 -pthread -O3 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DBOOST_PYTHON_SOURCE -DNDEBUG  -I"." -I"/usr/include/python3.11"  -c -o "build-boost/boost/bin.v2/libs/python/build/gcc-12.2.0/release/cxxstd-17-iso/python-3.11/threading-multi/visibility-hidden/object/life_support.o" "libs/python/src/object/life_support.cpp"
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics: 
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics: In file included from /usr/include/python3.11/Python.h:44,
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics:                  from ./boost/python/detail/wrap_python.hpp:178,
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics:                  from ./boost/python/detail/prefix.hpp:13,
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics:                  from ./boost/python/object/life_support.hpp:7,
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics:                  from libs/python/src/object/life_support.cpp:5:
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics: libs/python/src/object/life_support.cpp: In function 'PyObject* boost::python::objects::make_nurse_and_patient(PyObject*, PyObject*)':
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics: libs/python/src/object/life_support.cpp:96:9: error: lvalue required as left operand of assignment
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics:    96 |         Py_TYPE(&life_support_type) = &PyType_Type;
2023-04-29@09:28:17:DEBUG:O2Physics:boost:o2physics:       |         ^~~~~~~
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics: ...failed gcc.compile.c++ build-boost/boost/bin.v2/libs/python/build/gcc-12.2.0/release/cxxstd-17-iso/python-3.11/threading-multi/visibility-hidden/object/life_support.o...
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics: gcc.compile.c++ build-boost/boost/bin.v2/libs/python/build/gcc-12.2.0/release/cxxstd-17-iso/python-3.11/threading-multi/visibility-hidden/object/enum.o
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics: 
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:     "g++"   -std=c++17 -fvisibility-inlines-hidden -fPIC -m64 -pthread -O3 -finline-functions -Wno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DBOOST_PYTHON_SOURCE -DNDEBUG  -I"." -I"/usr/include/python3.11"  -c -o "build-boost/boost/bin.v2/libs/python/build/gcc-12.2.0/release/cxxstd-17-iso/python-3.11/threading-multi/visibility-hidden/object/enum.o" "libs/python/src/object/enum.cpp"
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics: 
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics: In file included from /usr/include/python3.11/Python.h:44,
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:                  from ./boost/python/detail/wrap_python.hpp:178,
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:                  from ./boost/python/detail/prefix.hpp:13,
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:                  from ./boost/python/object_core.hpp:10,
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:                  from ./boost/python/object/enum_base.hpp:8,
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:                  from libs/python/src/object/enum.cpp:6:
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics: libs/python/src/object/enum.cpp: In function 'boost::python::api::object boost::python::objects::{anonymous}::new_enum_type(const char*, const char*)':
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics: libs/python/src/object/enum.cpp:156:11: error: lvalue required as left operand of assignment
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:   156 |           Py_TYPE(&enum_type_object) = incref(&PyType_Type);
2023-04-29@09:28:18:DEBUG:O2Physics:boost:o2physics:       |           ^~~~~~~
2023-04-29@09:28:19:DEBUG:O2Physics:boost:o2physics: ...failed gcc.compile.c++ build-boost/boost/bin.v2/libs/python/build/gcc-12.2.0/release/cxxstd-17-iso/python-3.11/threading-multi/visibility-hidden/object/enum.o...