Create a new bsd.hostinit.mk file and put the build definitions for all host
programs there; make all Makefiles that use bsd.hostprog.mk include it.
Namely turn off MKREPRO and don't make lint, man p

Create a new bsd.hostinit.mk file and put the build definitions for all host
programs there; make all Makefiles that use bsd.hostprog.mk include it.
Namely turn off MKREPRO and don't make lint, man pages, info files etc.
Remove the Makefile.inc files that contained these same settings, and
remove the settings from Makefile.host

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build mkext with the same flags as ccom (lack of -DGCC_COMPAT in
particular, but add -Dos_ and -Dmach_ just in case)

use HOSTPROG to build the mkext program (which creates external.c and
external.h for ccom) rather than HOST_CC directly.

because PROG and HOSTPROG don't play nicely together, put mkext in its
own SU

use HOSTPROG to build the mkext program (which creates external.c and
external.h for ccom) rather than HOST_CC directly.

because PROG and HOSTPROG don't play nicely together, put mkext in its
own SUBDIR

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