Installing gcc/g++ toolchain in yocto project

The step-by-step

1. Change the build/conf/local.conf by adding the following lines

2. #add the feature :-> tools-sdk
   EXTRA_IMAGE_FEATURES += "debug-tweaks tools-sdk"

3. Choose an image, for example, core-image-minimal

   $compile your source code ..
   $ time bitbake core-image-minimal