[ 33%] Built target PCA9685
[ 66%] Built target I2C
[ 83%] Linking CXX executable /home/chris/pca_ws/devel_isolated/ros_pca9685/lib/ros_pca9685/controller_sub
/home/chris/pca_ws/devel_isolated/ros_pca9685/lib/libPCA9685.so: undefined reference to `I2C::write_byte(unsigned char, unsigned char)'
/home/chris/pca_ws/devel_isolated/ros_pca9685/lib/libPCA9685.so: undefined reference to `I2C::read_byte(unsigned char)'
/home/chris/pca_ws/devel_isolated/ros_pca9685/lib/libPCA9685.so: undefined reference to `I2C::I2C(int, int)'
collect2: error: ld returned 1 exit status
CMakeFiles/controller_sub.dir/build.make:115: recipe for target '/home/chris/pca_ws/devel_isolated/ros_pca9685/lib/ros_pca9685/controller_sub' failed
make[2]: *** [/home/chris/pca_ws/devel_isolated/ros_pca9685/lib/ros_pca9685/controller_sub] Error 1
CMakeFiles/Makefile2:329: recipe for target 'CMakeFiles/controller_sub.dir/all' failed
make[1]: *** [CMakeFiles/controller_sub.dir/all] Error 2
Makefile:138: recipe for target 'all' failed
make: *** [all] Error 2
<== Failed to process package 'ros_pca9685':
Command '['/home/chris/pca_ws/devel_isolated/pca9685_msgs/env.sh', 'make', '-j4', '-l4']' returned non-zero exit status 2
Reproduce this error by running:
==> cd /home/chris/pca_ws/build_isolated/ros_pca9685 && /home/chris/pca_ws/devel_isolated/pca9685_msgs/env.sh make -j4 -l4
Command failed, exiting.
`
