This one's been stumping me for a while.
I'm trying to work with the IEEE1394 (firewire sounds nicer) libraries,
and I'm unable to compile any of the example programs. E.g., when I
try gcc grab_partial_image.c , I receive a long list of errors:
/tmp/ccWnmLby.o: In function `main':
/tmp/ccWnmLby.o(.text+0x21): undefined reference to `dc1394_create_handle'
/tmp/ccWnmLby.o(.text+0x5b): undefined reference to `raw1394_get_nodecount'
/tmp/ccWnmLby.o(.text+0x72): undefined reference to
`dc1394_get_camera_nodes'
/tmp/ccWnmLby.o(.text+0xb0): undefined reference to `raw1394_destroy_handle'
yada yada yada......
Of course, the pre-compiled version of the program runs fine - I have
all of the necessary modules loaded. A very nice X11 app, coriander,
runs and captures smooth 30 fps video, using the same libraries, which
are libraw1394 and libdc1394, as included in the source:
#include <stdio.h>
#include </usr/src/linux-2.4.18-0.16/drivers/ieee1394/raw1394.h>
#include </usr/local/include/libdc1394/dc1394_control.h>
#include <stdlib.h>
#include <time.h>
#include <sys/times.h>
int main(int argc, char *argv[])
{
.....
The various header files exist where they should, and I'm using kernel
2.4.18-16.
The *.so , *.so.0 files and friends have been correctly installed in
/usr/libs, and I even edited ld.so.conf and ran ldconfig to make sure
that they would be found.
Things work when I skip the linking phase with gcc -c
grab_partial_image.c . I am clearly missing something in the linking
phase of the process, and I know that one of you (perhaps you, Dean?)
can tell me what it is.
Thanks,
-Jeff
