• Add CHECKSUM.* support in Makefile[1].
• Use ln -fs to create a symlink.
• Remove pkgadd for docports.
• Use WITHOUT_JADETEX=yes instead of WITH_JADETEX=no.
• Add {WORLD,KERNEL}_FLAGS to [BTWK]MAKE.
• Use makefs(8) and gpart(8) for sparc64 ISO image[2].
• Add publisher option to makefs(8)[2].

Based on work by: gjb[1]
Discussed with: marius, nwhitehorn[2]