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12-02-2008, 07:58 PM
| #1 | |
| Registered User Join Date: Dec 2008
Posts: 2
| libusb headache First post, so do be gentle.  I am trying to get libusb to work w/ my compiler and all seems fine until I try something like: Code: #include <usb.h>
int main(int argc, char **argv) {
struct usb_bus *busses;
usb_init();
usb_find_busses();
usb_find_devices();
busses = usb_get_busses();
return 0;
}
Quote:
Code: **** Build of configuration Debug for project usb **** make -k all Building file: ../main.c Invoking: GCC C Compiler gcc -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"main.d" -MT"main.d" -o"main.o" "../main.c" Finished building: ../main.c Building target: usb Invoking: GCC C Linker gcc -o"usb" ./main.o ./main.o: In function `main': /home/cbee/c/usb/Debug/../main.c:6: undefined reference to `usb_init' /home/cbee/c/usb/Debug/../main.c:7: undefined reference to `usb_find_busses' /home/cbee/c/usb/Debug/../main.c:8: undefined reference to `usb_find_devices' /home/cbee/c/usb/Debug/../main.c:9: undefined reference to `usb_get_busses' collect2: ld returned 1 exit status make: *** [usb] Error 1 make: Target `all' not remade because of errors. Build complete for project usb | |
| cbee is offline |  |
|
12-02-2008, 08:07 PM
| #2 |
| critical genius  Join Date: Jul 2008 Location: SE Queens
Posts: 5,175
| Sometimes these things require additional options to gcc, as with gtk+ and pkg-config. I've never used libusb tho, so I don't know. |
| MK27 is online now | |
|
12-02-2008, 08:27 PM
| #3 |
| Registered User Join Date: Dec 2008
Posts: 2
| Yep, I resolved it of course almost after my post. Here is the solution w/ screenshots: http://ubuntuforums.org/showthread.php?p=6297589 Thank you to anyone who spent time looking and thinking it out on my behalf. |
| cbee is offline | |
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| Tags |
| eclipse, error, libusb, ubuntu |
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