C compile collect2 error ld returned 1 exit status

Question

I tried to search for that bug online but all the posts are for C    This is the message  test1 o  In function  ReadDictionary    home johnny Desktop haggai test1 c 13  undefined reference to  CreateDictionary  collect2  error  ld returned 1 exit status make       test1  Error 1  super simple code and can t understand what s the problem  include  lt stdio h gt   include  lt stdlib h gt   include  lt string h gt   include  quot dict h quot   include  quot hash h quot    pHash ReadDictionary            This function reads a dictionary line by line from the standard input         pHash dictionary      char entryLine 100     quot  quot       char  word   translation       dictionary   CreateDictionary        while  scanf  quot  s quot   entryLine     1       Not EOF         word   strtok entryLine   quot   quot            translation   strtok NULL   quot   quot            AddTranslation dictionary  word  translation             return dictionary     int main         pHash dicti       now this is the header dict h  ifndef  DICT H   define  DICT H    include  quot hash h quot   pHash CreateDictionary          endif  and here is the dict c  include  lt stdio h gt   include  lt stdlib h gt   include  lt string h gt   include  quot hash h quot   include  quot dict h quot    pHash CreateDectionary         pHash newDict      newDict  HashCreate 650  HashWord  PrintEntry  CompareWords  GetEntryKey  DestroyEntry       return newDict     and if you wanna check hash h  ifndef  HASH H   define  HASH H     type defintions   typedef enum  FAIL   0  SUCCESS  Result  typedef enum  SAME   0  DIFFERENT  CompResult   typedef struct  Hash Hash   pHash   typedef void  pElement  typedef void  pKey     function types   typedef int   HashFunc   pKey key  int size   typedef Result   PrintFunc   pElement element   typedef CompResult   CompareFunc   pKey key1  pKey key2   typedef pKey   GetKeyFunc   pElement element   typedef void   DestroyFunc  pElement element          interface functions     endif  Maybe it will be easier if I give you the files here  Any way  I will be happy for tips on how to understand the problem

User · Answer

generally this problem occurred when we have called a function which has not been define in the program file  so to sort out this problem check whether have you called such function which has not been define in the program file

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If you are using Dev C   then your  exe or mean to say your program already running and you are trying to run it again

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When compiling your program  you need to include dict c as well  eg   gcc -o test1 test1 c dict c  Plus you have a typo in dict c definition of CreateDictionary  it says CreateDectionary  e instead of i

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I got this problem  and tried many ways to solve it  Finally  it turned out that make clean and make again solved it  The reason is  I got the source code together with object files compiled previously with an old gcc version  When my newer gcc version wants to link that old object files  it can t resolve some function in there  It happens to me several times that the source code distributors do not clean up before packing  so a make clean saved the day

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sometimes this error came beacause  failed to compile in middlest of any build  The best way to try is by doing make clean and again make the whole code

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Your problem is the typo in the function CreateDectionary   You should change it to CreateDictionary      collect2  error  ld returned 1 exit status is the same problem in both C and C    usually it means that you have unresolved symbols  In your case is the typo that i mentioned before

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Go to Advanced System Settings in the computer properties Click on Advanced Click for the environment variable Choose the path option Change the path option to bin folder of dev c Apply and save it Now resave the code in the bin folder in developer c

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This issue appears when you have a running console at the time you try to run other  or the same  program  I had this problem during executing a program on Sublime Text while I had another one running on DevC   already

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install this  sudo apt install libgl-dev libglu-dev libglib2 0-dev libsm-dev libxrender-dev libfontconfig1-dev libxext-dev   http   www qtcentre org threads 69625-collect2-error-ld-returned-1-exit-status

[c] C compile : collect2: error: ld returned 1 exit status

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