Can't link Shared Library

Asked Mar 14 '13 at 08:34

Active May 07 '16 at 01:04

Viewed 545 times

I want make wrapper for another shared library.

elsymobileclient.h

extern void* CreateClass(void);

elsymobileclientwrapper.c

#include <AnswStruct.h>
#include <elsymobileclient.h>

void * W_CreateClass() {
  return CreateClass();
}

compile:

$ gcc -I. -L. elsymobileclientwrapper.c -lelsymobileclient

/tmp/ccDxlXsd.o: In function W_CreateClass': elsymobileclientwrapper.c:(.text+0x7): undefined reference toCreateClass' collect2: ld returned 1 exit status

Where's wrong?

asked Mar 14 '13 at 08:34

davydes

2

Is `CreateClass` actually defined in the library? Can you demonstrate this? – NPE Mar 14 '13 at 08:36
1

Are you sure that `libelsymobileclient.so`defines `CreateClass`? Did you check with `nm` ? – Basile Starynkevitch Mar 14 '13 at 08:36
1

$ nm -g libelsymobileclient.so w _Jv_RegisterClasses U _Unwind_Resume@@GCC_3.0 00004970 T _Z11CreateClassv 00004960 T _Z11DeleteClassPv – davydes Mar 14 '13 at 08:38
2

The leading `_Z11` in the name indicates this is a C++ function, and so can't be used by a C program. – Some programmer dude Mar 14 '13 at 08:41
1

http://stackoverflow.com/questions/2744181/how-to-call-c-function-from-c Try this for using C++ function in C – hazzelnuttie Mar 14 '13 at 08:45

Can't link Shared Library

0 Answers0