...
            Trying pattern rule with stem 'doc.py.o'.
            Trying implicit prerequisite 'bindings/swig/s.doc.py.o'.
            Trying pattern rule with stem 'doc.py.o'.
            Trying implicit prerequisite 'bindings/swig/SCCS/s.doc.py.o'.
           No implicit rule found for 'bindings/swig/doc.py'.
           Finished prerequisites of target file 'bindings/swig/doc.py'.
          No need to remake target 'bindings/swig/doc.py'.
          Considering target file 'bindings/cxx/doxy/xml/index.xml'.
            Pruning file 'bindings/cxx/include/libsigrokcxx/libsigrokcxx.hpp'.
            Pruning file 'bindings/cxx/enums.timestamp'.
           Finished prerequisites of target file 'bindings/cxx/doxy/xml/index.xml'.
           Prerequisite 'bindings/cxx/include/libsigrokcxx/libsigrokcxx.hpp' is older than target 'bindings/cxx/doxy/xml/index.xml'.
           Prerequisite 'bindings/cxx/enums.timestamp' is older than target 'bindings/cxx/doxy/xml/index.xml'.
          No need to remake target 'bindings/cxx/doxy/xml/index.xml'.
         Finished prerequisites of target file 'bindings/python/sigrok/core/doc_start.i'.
         Prerequisite 'bindings/swig/doc.py' is older than target 'bindings/python/sigrok/core/doc_start.i'.
         Prerequisite 'bindings/cxx/doxy/xml/index.xml' is older than target 'bindings/python/sigrok/core/doc_start.i'.
        No need to remake target 'bindings/python/sigrok/core/doc_start.i'.
        Considering target file 'bindings/python/sigrok/core/doc_end.i'.
          Pruning file 'bindings/swig/doc.py'.
          Pruning file 'bindings/cxx/doxy/xml/index.xml'.
         Finished prerequisites of target file 'bindings/python/sigrok/core/doc_end.i'.
         Prerequisite 'bindings/swig/doc.py' is older than target 'bindings/python/sigrok/core/doc_end.i'.
         Prerequisite 'bindings/cxx/doxy/xml/index.xml' is older than target 'bindings/python/sigrok/core/doc_end.i'.
        No need to remake target 'bindings/python/sigrok/core/doc_end.i'.
        Pruning file 'include/libsigrok/libsigrok.h'.
        Pruning file 'include/libsigrok/proto.h'.
        Pruning file 'include/libsigrok/version.h'.
        Pruning file 'bindings/cxx/include/libsigrokcxx/libsigrokcxx.hpp'.
        Pruning file 'bindings/cxx/include/libsigrokcxx/enums.hpp'.
        Pruning file 'bindings/cxx/libsigrokcxx.la'.
       Finished prerequisites of target file 'bindings/python/timestamp'.
      Must remake target 'bindings/python/timestamp'.
Putting child 0x555813260710 (bindings/python/timestamp) PID 19227 on the chain.
Live child 0x555813260710 (bindings/python/timestamp) PID 19227
Reaping losing child 0x555813260710 PID 19227
Makefile:4409: recipe for target 'bindings/python/timestamp' failed
make[1]: *** [bindings/python/timestamp] Error 1
Removing child 0x555813260710 PID 19227 from chain.
Reaping losing child 0x5600ba3f9fc0 PID 5303
Makefile:1726: recipe for target 'all' failed
make: *** [all] Error 2
Removing child 0x5600ba3f9fc0 PID 5303 from chain.