Compiling world from a month old system broken?

[Jeroen Ruigrok/asmodai <asmodai@xxxxxxxxxxxxx>]

My system is from about a month old (June 25) and I am trying to buildworld
with an empty obj.

I error out with:

cc -O -pipe -g -march=athlon -I/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//include/ -I/usr/src/lib/libncurses/libncurses/../include/ -I/usr/src/lib/libncurses/libncurses -I/usr/obj/usr/src/world_i386/usr/src/lib/libncurses/libncurses -I/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/ -DTRACE -I/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//include/ -I/usr/src/lib/libncurses/libncurses/../include/ -I/usr/src/lib/libncurses/libncurse
s -I/usr/obj/usr/src/world_i386/usr/src/lib/libncurses/libncurses  -c /usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c -o lib_termcap.o
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c: In function `tgetent':
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c:129: warning: passing arg 1 of `setupterm' discards qualifiers from pointer target type
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c: At top level:
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c:235: error: conflicting types for 'tgetflag'
/usr/src/lib/libncurses/libncurses/term.h:795: error: previous declaration of 'tgetflag' was here
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c:235: error: conflicting types for 'tgetflag'
/usr/src/lib/libncurses/libncurses/term.h:795: error: previous declaration of 'tgetflag' was here
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c:263: error: conflicting types for 'tgetnum'
/usr/src/lib/libncurses/libncurses/term.h:796: error: previous declaration of 'tgetnum' was here
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c:263: error: conflicting types for 'tgetnum'
/usr/src/lib/libncurses/libncurses/term.h:796: error: previous declaration of 'tgetnum' was here
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c:292: error: conflicting types for 'tgetstr'
/usr/src/lib/libncurses/libncurses/term.h:792: error: previous declaration of 'tgetstr' was here
/usr/src/lib/libncurses/libncurses/../../../contrib/ncurses-5.4//ncurses/tinfo/lib_termcap.c:292: error: conflicting types for 'tgetstr'
/usr/src/lib/libncurses/libncurses/term.h:792: error: previous declaration of 'tgetstr' was here
*** Error code 1

What I find odd is the // after ncurses-5.4.  Sources are of about 11:00
UTC+2.

Anyone else seeing this?

-- 
Jeroen Ruigrok van der Werven <asmodai(at)wxs.nl> / asmodai / kita no mono
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A thousand times these mysteries unfold themselves like galaxies in my
head...