make [ 5%] Built target enet [ 20%] Built target yaml-cpp [ 20%] Building CXX object src/common/CMakeFiles/CommonFiles.dir/FileIO.cpp.o /home/amigaone/src/supermariowar/src/common/FileIO.cpp: In member function ‘void BinaryFile::write_i16(int16_t)’: /home/amigaone/src/supermariowar/src/common/FileIO.cpp:59:14: error: ‘out’ was not declared in this scope ((char*)&out)[0] = ((char*)&tmp)[1]; ^ /home/amigaone/src/supermariowar/src/common/FileIO.cpp: In member function ‘void BinaryFile::write_i32(int32_t)’: /home/amigaone/src/supermariowar/src/common/FileIO.cpp:71:14: error: ‘out’ was not declared in this scope ((char*)&out)[0] = ((char*)&tmp)[3]; ^ /home/amigaone/src/supermariowar/src/common/FileIO.cpp: In member function ‘void BinaryFile::write_float(float)’: /home/amigaone/src/supermariowar/src/common/FileIO.cpp:88:17: error: ‘out’ was not declared in this scope float tmp = out; ^ src/common/CMakeFiles/CommonFiles.dir/build.make:110: recipe for target 'src/common/CMakeFiles/CommonFiles.dir/FileIO.cpp.o' failed make[2]: *** [src/common/CMakeFiles/CommonFiles.dir/FileIO.cpp.o] Error 1 CMakeFiles/Makefile2:294: recipe for target 'src/common/CMakeFiles/CommonFiles.dir/all' failed make[1]: *** [src/common/CMakeFiles/CommonFiles.dir/all] Error 2 Makefile:149: recipe for target 'all' failed make: *** [all] Error 2