Question

I am trying to compile libcvd to use PTAM. When I get to the command “make” while compiling it gives me following error:

ln -s libcvd.so.0.7 libcvd.so.0
ln -s libcvd.so.0 libcvd.so
g++ -o progs/se3_exp progs/se3_exp.o -L.  -lcvd  -ltiff -ljpeg -lpng -llapack -lGLU -lGL -ldc1394  -L -lX11 -lXext -pthread
./libcvd.so: error: undefined reference to 'XQueryPointer'
./libcvd.so: error: undefined reference to 'XPending'
./libcvd.so: error: undefined reference to 'XNextEvent'
./libcvd.so: error: undefined reference to 'XFlush'
./libcvd.so: error: undefined reference to 'XSelectInput'
./libcvd.so: error: undefined reference to 'XStoreName'
./libcvd.so: error: undefined reference to 'XUnmapWindow'
./libcvd.so: error: undefined reference to 'XDestroyWindow'
./libcvd.so: error: undefined reference to 'XCloseDisplay'
./libcvd.so: error: undefined reference to 'XOpenDisplay'
./libcvd.so: error: undefined reference to 'XCreateColormap'
./libcvd.so: error: undefined reference to 'XCreateWindow'
./libcvd.so: error: undefined reference to 'XMapWindow'
./libcvd.so: error: undefined reference to 'XDefineCursor'
./libcvd.so: error: undefined reference to 'XUndefineCursor'
./libcvd.so: error: undefined reference to 'XWarpPointer'
./libcvd.so: error: undefined reference to 'XMoveWindow'
./libcvd.so: error: undefined reference to 'XResizeWindow'
./libcvd.so: error: undefined reference to 'XGetWindowAttributes'
./libcvd.so: error: undefined reference to 'XSetClassHint'
./libcvd.so: error: undefined reference to 'XInternAtom'
./libcvd.so: error: undefined reference to 'XSetWMProtocols'
./libcvd.so: error: undefined reference to 'XLoadQueryFont'
./libcvd.so: error: undefined reference to 'XCreateGlyphCursor'
./libcvd.so: error: undefined reference to 'XFreeFont'
./libcvd.so: error: undefined reference to 'XLookupString'
collect2: ld returned 1 exit status
make: *** [progs/se3_exp] Error 1

I could not find any appropriate solution to this error.

Thank you for your helping.

Answer 1

I found the solution,

In the makefile change the order of the library references in this order:

LOADLIBES = -lX11 -ltiff -ljpeg -lpng -llapack -lGLU -lGL -ldc1394  -L -lXext -pthread