C项目中的多重定义
我对这个项目有问题(这是一个类似于太空入侵者的迷你游戏)。 每次我尝试编译它时,它都会给我这些错误:
❯ make
gcc main.o collisioni.o stampa.o gestione.o -o progetto -lncurses
/usr/bin/ld: collisioni.o:(.bss+0x0): multiple definition of `maxx'; main.o:(.bss+0x0): first defined here
/usr/bin/ld: collisioni.o:(.bss+0x4): multiple definition of `maxy'; main.o:(.bss+0x4): first defined here
/usr/bin/ld: collisioni.o:(.bss+0x8): multiple definition of `flag_navicelle'; main.o:(.bss+0x8): first defined here
/usr/bin/ld: stampa.o:(.bss+0x0): multiple definition of `maxx'; main.o:(.bss+0x0): first defined here
/usr/bin/ld: stampa.o:(.bss+0x4): multiple definition of `maxy'; main.o:(.bss+0x4): first defined here
/usr/bin/ld: stampa.o:(.bss+0x8): multiple definition of `flag_navicelle'; main.o:(.bss+0x8): first defined here
/usr/bin/ld: gestione.o:(.bss+0x0): multiple definition of `maxx'; main.o:(.bss+0x0): first defined here
/usr/bin/ld: gestione.o:(.bss+0x4): multiple definition of `maxy'; main.o:(.bss+0x4): first defined here
collect2: error: ld returned 1 exit status
make: *** [makefile:2: progetto] Errore 1
项目的源代码是: https:// github.com/stenafo/game 我使用makefile编译代码。 我不明白问题所在,我的一个朋友设法将其编译而没有错误。 该项目使用过程,但是我在线程上也有同样的问题。
I have a problem with this project (it is a minigame similar to space invaders).
Every time I try to compile it it gives me these errors:
❯ make
gcc main.o collisioni.o stampa.o gestione.o -o progetto -lncurses
/usr/bin/ld: collisioni.o:(.bss+0x0): multiple definition of `maxx'; main.o:(.bss+0x0): first defined here
/usr/bin/ld: collisioni.o:(.bss+0x4): multiple definition of `maxy'; main.o:(.bss+0x4): first defined here
/usr/bin/ld: collisioni.o:(.bss+0x8): multiple definition of `flag_navicelle'; main.o:(.bss+0x8): first defined here
/usr/bin/ld: stampa.o:(.bss+0x0): multiple definition of `maxx'; main.o:(.bss+0x0): first defined here
/usr/bin/ld: stampa.o:(.bss+0x4): multiple definition of `maxy'; main.o:(.bss+0x4): first defined here
/usr/bin/ld: stampa.o:(.bss+0x8): multiple definition of `flag_navicelle'; main.o:(.bss+0x8): first defined here
/usr/bin/ld: gestione.o:(.bss+0x0): multiple definition of `maxx'; main.o:(.bss+0x0): first defined here
/usr/bin/ld: gestione.o:(.bss+0x4): multiple definition of `maxy'; main.o:(.bss+0x4): first defined here
collect2: error: ld returned 1 exit status
make: *** [makefile:2: progetto] Errore 1
The source code of the project is this: https://github.com/Stenafo/game
I compile the code using the makefile.
I don't understand where the problem is, a friend of mine manages to compile it without errors.
This project uses processes, however I have the same problem with threads.
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