Factor out common build instruction for generating Makefiles for Perl bits.
Most directories under src/cpan use the same way of generating Makefile
out of Makefile.PL and occasionally these instructions require common
tweaking - move them to the single location to make this easier.
Factor out common build instruction for generating Makefiles for Perl bits.
Most directories under src/cpan use the same way of generating Makefile
out of Makefile.PL and occasionally these instructions require common
tweaking - move them to the single location to make this easier.