59241484_an_RPM_package___FedoraProject__Reads
[Stage] %prep [Writes] %_builddir [Action] This reads the sources and patches in the source directory %_sourcedir. It unpackages the sources to a subdirectory underneath the build directory %_builddir and applies the patches. [Reads] 
%_sourcedir
% _ s o u r c e d i r
% _ b u i l d d i r
% _ b u i l d r o o t d i r
How to create an RPM package - FedoraProject