MFH: r551390

Palp 2.12 has been rerolled on Aug. 26th, but only uploaded some days ago.

Full diff is available at:
https://people.freebsd.org/~thierry/palp-2.12_20200819_20200826.diff:
it contains changes in puts/printf and in makefile, which now requires gmake.

Approved by: portmgr (blanket, fix breakage)