FWD: libstdc++ build failures on MIPS, PowerPC, Sparc

[Just a forward of someone else's note about gcc
4.2.1 build problems -in -r321376 .]

Ravi Pokala rpokala at mac.com wrote on
Sun Jul 23 19:44:57 UTC 2017 :

> I did a tinderbox build of -HEAD as of r321376; there were failures like this (paths shortened):
> 
>     c++ -isystem ${OUTDIR}/tmp/usr/include/c++/v1 -std=c++11  -nostdinc++ -isystem ${OUTDIR}/tmp/usr/include -L${OUTDIR}/tmp/usr/lib -B${OUTDIR}/tmp/usr/lib --sysroot=${OUTDIR}/tmp -B${OUTDIR}/tmp/usr/bin  -O -pipe -G0 -EB -mabi=32 -msoft-float  -DIN_GLIBCPP_V3 -DHAVE_CONFIG_H -I${SRCDIR}/gnu/lib/libstdc++ -I${SRCDIR}/contrib/libstdc++/libsupc++ -I${SRCDIR}/contrib/gcc -I${SRCDIR}/contrib/libstdc++/include -I${SRCDIR}/contrib/gcclibs/include -I${SRCDIR}/contrib/libstdc++/include -I. -frandom-seed=RepeatabilityConsideredGood       -fno-implicit-templates -ffunction-sections -fdata-sections -Wno-deprecated   -c ${SRCDIR}/contrib/libstdc++/src/bitmap_allocator.cc -o bitmap_allocator.o
>     
>     cc1plus: error: unrecognized command line option "-std=c++11"
>     *** [bitmap_allocator.o] Error code 1
> 
> on multiple worlds:
> 
>     [threepio:clean/base/head] rpokala% egrep -l 'stopped in .*libstdc' _.*buildworld
>     _.mips.mips.buildworld
>     _.mips.mips64.buildworld
>     _.mips.mips64el.buildworld
>     _.mips.mips64elhf.buildworld
>     _.mips.mips64hf.buildworld
>     _.mips.mipsel.buildworld
>     _.mips.mipselhf.buildworld
>     _.mips.mipshf.buildworld
>     _.mips.mipsn32.buildworld
>     _.powerpc.powerpc.buildworld
>     _.powerpc.powerpc64.buildworld
>     _.powerpc.powerpcspe.buildworld
>     _.sparc64.sparc64.buildworld
> 
> No interesting build environment, just MAKEOBJDIRPREFIX and JFLAGS; clean sources and empty output directory.



===
Mark Millard
markmi at dsl-only.net