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我正在與一個玉米片的學校項目,我收到一些奇怪的錯誤。你可以看到我的代碼在這裏:just the c file, lemme know if you need more編譯C:未定義的引用'memcpy'
從控制檯輸出看起來是這樣的:
../gnu/gcc -G 0 -c -I../userprog -I../threads -I../machine -c threadtest.c
../gnu/ld -T newscript -N start.o threadtest.o -o threadtest.coff
threadtest.o: In function `CreateClerk':
threadtest.c:804: undefined reference to `memcpy'
threadtest.o: In function `ApplicationClerkNoCustomerAtRegister':
threadtest.c:902: undefined reference to `memcpy'
threadtest.c:902: undefined reference to `memcpy'
threadtest.c:902: undefined reference to `memcpy'
threadtest.o: In function `PictureClerkNoCustomerAtRegister':
threadtest.c:954: undefined reference to `memcpy'
threadtest.o:threadtest.c:954: more undefined references to `memcpy' follow
gmake: *** [threadtest] Error 1
在我的整個玉米片項目文件夾沒有到「的memcpy」(我做了一個查找單個呼叫用Brackets搜索文件)。
下面是一行804+:
struct Clerk CreateClerk(char* _name, int _number, struct PassportOffice* _theOffice, struct Line* theLine) {
struct Clerk theClerk;
theClerk.name = _name;
theClerk.number = _number;
theClerk.theOffice = _theOffice;
theClerk.myLine = theLine;
LineSetClerk(theClerk.myLine,&theClerk);
theClerk.dataLock = CreateLock("dataLock",8);
theClerk.myBribeCV = CreateCV("myBribeCV",9);
theClerk.breakCV = CreateCV("breakCV",7);
theClerk.breakLock = CreateLock("breakLock",9);
theClerk.walkUpCV = CreateCV("walkUpCV",8);
return theClerk;
}
會看到我的Makefile的幫助? –
爲什麼你評論你的包含? – user2357112
關於項目規格。我只允許包含我可以爲您提供的「syscall.h」,但它似乎並沒有與問題有任何關係。 Threadtest.c是爲了像用戶程序一樣運行,而syscall.h是我可以使用的內核系統調用。 –