FieldMapBrBz.cpp: clang is picky about default arguments on default constructor
>> 100 /home/wdconinc/.spack/stage/spack-stage-athena-eic-acadia-f3ywxcswfbmaesdwzjkj32de4ywfyoht/spack-src/src/FieldMapBrBz.cpp:38:47: error: addition of default argument on redeclaration makes this constructor a default construc
tor
101 FieldMapBrBz::FieldMapBrBz(const std::string &field_type = "magnetic")
102 ^ ~~~~~~~~~~
103 /home/wdconinc/.spack/stage/spack-stage-athena-eic-acadia-f3ywxcswfbmaesdwzjkj32de4ywfyoht/spack-src/src/FieldMapBrBz.cpp:22:5: note: previous declaration is here
104 FieldMapBrBz(const std::string &field_type);
105 ^
106 1 error generated.