I get an error compiling git HEAD:
In file included from ./script/compressor.h:9: ./script/script.h:197:19: error: no matching conversion for functional-style cast from 'const char [57]' to 'scriptnum_error' throw scriptnum_error("CScriptNum(const std::vector<unsigned char>&) : overflow"); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./script/script.h:173:7: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const char [57]' to 'const scriptnum_error' for 1st argument class scriptnum_error : public std::runtime_error ^ ./script/script.h:176:14: note: candidate constructor not viable: no known conversion from 'const char [57]' to 'const std::string' (aka 'const basic_string<char, char_traits<char>, allocator<char> >') for 1st argument explicit scriptnum_error(const std::string& str) : std::runtime_error(str) {} ^ 1 error generated.