The location in the Build Directory where unpacked recipe source code resides. This location is within the work directory (WORKDIR), which is not static. The unpacked source location depends on the recipe name (PN) and recipe version (PV) as follows:
${WORKDIR}/${PN}-${PV}
As an example, assume a Source Directory top-level folder named poky and a default Build Directory at poky/build. In this case, the work directory the build system uses to keep the unpacked recipe for db is the following: