– Configuring done
 – Generating done
 – Build files have been written to: /tmp/SBo/libmusicbrainz-release-5.1.0/build
 Scanning dependencies of target make-c-interface
 [ 1%] Building CXX object src/CMakeFiles/make-c-interface.dir/make-c-interface.cc.o
 [ 3%] Building CXX object src/CMakeFiles/make-c-interface.dir/xmlParser.cc.o
 [ 4%] Linking CXX executable make-c-interface
 [ 4%] Built target make-c-interface
 make[2]: *** No rule to make target 'src/*.inc', needed by 'src/mb5_c.cc'. Stop.
 make[1]: *** [CMakeFiles/Makefile2:278: src/CMakeFiles/musicbrainz5.dir/all] Error 2
 make: *** [Makefile:150: all] Error 2

— a/src/CMakeLists.txt
 +++ b/src/CMakeLists.txt
 @@ -36,7 +36,8 @@
 OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/mb5_c.cc ${CMAKE_CURRENT_BINARY_DIR}/mb5_c.h ${CMAKE_CURRENT_BINARY_DIR}/../include/musicbrainz5/mb5_c.h
 COMMAND make-c-interface ${CMAKE_CURRENT_SOURCE_DIR} cinterface.xml ${CMAKE_CURRENT_BINARY_DIR} mb5_c.cc mb5_c.h
 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_BINARY_DIR}/mb5_c.h ${CMAKE_CURRENT_BINARY_DIR}/../include/musicbrainz5/mb5_c.h
 - DEPENDS make-c-interface cinterface.xml *.inc
 + DEPENDS make-c-interface cinterface.xml c-int-medium-defines.inc c-int-query-source.inc c-int-source-funcs.inc
 + c-int-medium-source.inc c-int-release-defines.inc c-int-query-defines.inc c-int-release-source.inc
 )

ADD_CUSTOM_TARGET(src_gen DEPENDS mb5_c.h)