Checked into GIT from the current Megapile_12, the following:

0020-update-blds-bsd.bld-for-freebsd-13.patch
0021-Attempt-at-adding-freebsd-detect-in-plugins-Makefile.patch
0022-Attempt-at-freebsd-netbsd-detection-in-cinelerra-Mak.patch +
   + 0046-Hopefully-fix-or-conditional-in-cinelerra-Makefile.patch
0026-Dynamic-termux-configure.patch +

   + but  renamed file to blds/termux_dyn.bld for consistency & will adjust the patches to it myself
0064-Trim-opencv-build-add-std-c-11.patch