make buildworld fails with up-to-date sourcecode from HEAD

[Sepherosa Ziehau]

I assume you have failed to installworld before this compiling error.
If my assuming is correct then add following lines after last #include
. .. in src/usr.sbin/makewhatis/makewhatis.c:
#ifndef MACHINE
#define MACHINE "pc32"
#endif
Don't forget to nuke it once you have "a whole new world" :-)

BTW, before you installworld, please make sure to:
export MACHINE=pc32
Thank Sascha for this tip :-)
Best Regards,
sephe
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