[clang] Build error on r232474 (and a few before, don't know exactly which)

[Dan Nelson]

In the last episode (Mar 03), Brandon Falk said:
> I'm trying to build r232474 with clang (build environment is 10.0-CURRENT
> r231589 amd64 with clang), and I fail on `make -j16 buildworld`.  I've
> tried with and without threads.  I've built so many builds of clang that I
> can't even count, so I'm confident my environment is set up properly.  I'm
> building under a virtual machine, although I've never had issues with that
> before.

You didn't actually paste an error at all below, but the fact that the
top-level make reported an error from one of the sub-makes.  You'll need to
either capture the entire build log and scroll through it from the bottom up
to find the error message, or build without -j16 so the error is at the
bottom of the output.
 
> ---- error ----
> 
> ===>  gnu/usr.bin/texinfo/doc (all)
> makeinfo --no-split -I /root/src/gnu/usr.bin/texinfo/doc -I /root/src/gnu/usr.bin/texinfo/doc/../../../../contrib/texinfo/doc /root/src/gnu/usr.bin/texinfo/doc/../../../../contrib/texinfo/doc/info.texi  -o info.info
> makeinfo --no-split -I /root/src/gnu/usr.bin/texinfo/doc -I /root/src/gnu/usr.bin/texinfo/doc/../../../../contrib/texinfo/doc /root/src/gnu/usr.bin/texinfo/doc/../../../../contrib/texinfo/doc/info-stnd.texi  -o info-stnd.info
> ln -fs /root/src/gnu/usr.bin/texinfo/doc/../../../../contrib/texinfo/doc/texinfo.txi texinfo.texi
> makeinfo --no-split -I /root/src/gnu/usr.bin/texinfo/doc -I /root/src/gnu/usr.bin/texinfo/doc/../../../../contrib/texinfo/doc texinfo.texi  -o texinfo.info
> gzip -cn info.info>  info.info.gz
> gzip -cn info-stnd.info>  info-stnd.info.gz
> gzip -cn texinfo.info>  texinfo.info.gz
> 1 error
> *** [everything] Error code 2
> 1 error
> *** [buildworld] Error code 2
> 1 error
> 
> ---- END error ----
> 
> ---- Make.conf ----
> 
> .if !defined(CC) || ${CC} == "cc"
> CC=clang
> .endif
> .if !defined(CXX) || ${CXX} == "c++"
> CXX=clang++
> .endif
> .if !defined(CPP) || ${CPP} == "cpp"
> CPP=clang-cpp
> .endif
> 
> NO_WERROR=
> WERROR=
> NO_FSCHG=
> 
> # added by use.perl 2012-03-03 16:12:59
> PERL_VERSION=5.12.4
> 
> ---- END Make.conf ----
> 
> -Brandon
> 
> 
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-- 
	Dan Nelson
	dnelson at allantgroup.com