Re: Unable to build tools from netbsd-6-0 branch on 7.99.36/7.99.42

[Paul Goyette <paul%whooppee.com@localhost>]

On Sat, 12 Nov 2016, Paul Goyette wrote:

> I was looking into some other (irrelevant) issue, and wanted to try and build 
> a 6-0 release.
>
> Using the command
>
> 	./build.sh -T /build/netbsd-6-0/tools/x86_64/amd64 \
> 	-D /build/netbsd-6-0/dest/amd64 -O /build/netbsd-6-0/obj/amd64 \
> 	-R /build/netbsd-6-0 /release -V RELEASEMACHINEDIR=amd64 -V \
> 	MKKDEBUG=yes -U -m amd64 -j1 -U tools
>
> It gets most of the way through, then fails on building gcc.  The first error 
> message is
>
> cc -c -DHAVE_CONFIG_H -O -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0 
> -DTARGET_SYSTEM_ROOT_RELOCATABLE -I. 
> -I/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/libiberty/../include 
> -W -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -pedantic 
> /build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/libi
> berty/regex.c -o regex.o
> /build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/libiberty/regex.c:In 
> function 'byte_regex_compile':
> /build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/libiberty/regex.c:152:47: 
> warning: right-hand operand of comma expression has no effect 
> [-Wunused-value]
> #      define bzero(s, n) (memset (s, '\0', n), (s))
>                                               ^
> /build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/libiberty/regex.c:3124:13: 
> note: in expansion of macro 'bzero'
>             bzero (b, (1 << BYTEWIDTH) / BYTEWIDTH);
>             ^
>
> My build host is running a 7.99.42 kernel from yesterday, with a 7.99.36 
> userland.
>
> Any clue on what's broken?

I was reminded on irc that tools build allows errors, so the above is 
not the real problem.

A short while further down the log file, I do find a real error:

# cc -c  -O -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat   -DHAVE_CONFIG_H -I. -Icp -I/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc -I/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/cp -I/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../include -I/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../libcpp/include -I/build/netbsd-6-0/tools/x86_64/amd64/include -I/build/netbsd-6-0/tools/x86_64/amd64/include -I/build/netbsd-6-0/tools/x86_64/amd64/include  -I/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../libdecnumber -I/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/../libdecnumber/dpd -I../libdecnumber   -I/usr/include/libelf -DNETBSD_TOOLS -DTARGET_SYSTEM_ROOT=0  -DTARGET_SYSTEM_ROOT_RELOCATABLE /build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/cp/except.c -o cp/except.o

<several warnings have been snipped>

/build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/cp/except.c:352:7: note: in expansion of macro 'gcc_unreachable'
       gcc_unreachable ();
       ^
In file included from /build/netbsd-6-0/src/tools/gcc/../../external/gpl3/gcc/dist/gcc/cp/except.c:927:0:
cfns.gperf: At top level:
cfns.gperf:101:1: error: 'gnu_inline' attribute present on 'libc_name_p'
cfns.gperf:26:14: error: but not here
nbgmake[1]: *** [cp/except.o] Error 1



+------------------+--------------------------+------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:      |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com   |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+