Hi, Yuan Did you use #ifdef in your file my_func.hh?
You should use #ifdef to avoid multiple definitions and circular includes. So, in the first line of your file my_func.hh, you must insert the following code: #ifndef _MEM_MY_FUNC_HH_ #define _MEM_MY_FUNC_HH_ And in the last line of your file my_func.hh, you insert the code: #endif I think this should solve your problem. ---------------------------------------------------------------------------------------------------------------------------------------------- Francisco Carlos Silva Junior PhD Student at University of Brasilia ________________________________ De: gem5-users <gem5-users-boun...@gem5.org> em nome de yuan <syu...@ncsu.edu> Enviado: quinta-feira, 7 de novembro de 2019 11:28 Para: gem5 users mailing list <gem5-users@gem5.org> Assunto: [gem5-users] Question about compile after adding global funcs Hi, All, I suffered one problem of multiple definition when compiling, what I did is adding some new functions I need in a file name my_func.hh under src/mem/, and in the file cache.cc where I need these functions I use #include “mem/my_func.hh”, but when I re-compile the gem5, it always shows the error of multiple definition of “the name of my func”. Does anyone have some hints on this? Best, Yuan Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
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