Re: [Boost-build] Trouble building boost on solaris 10 sparc since boost 1.58.0

Subject: Re: [Boost-build] Trouble building boost on solaris 10 sparc since boost 1.58.0
From: Vladimir Prus (vladimir.prus_at_[hidden])
Date: 2015-08-12 06:46:30

On 11-Aug-15 8:09 PM, Matthaus Owens wrote:
> I'm building boost using a cross compiler (gcc 4.8.2) for solaris 10
> sparc. Boost built fine in 1.57.0, but starting in 1.58.0, two new
> flags were being passed to g++ that broke compilation. Here is an
> example compilation from boost 1.57.0, 1.58.0, and 1.59.0-rc2. The
> notable flag changes are -mcpu=c3 and -m32 in 1.58.0 and -mcpu=v7 and
> -m32 in 1.59.0-rc2. These weren't present in 1.57.0. Does anyone have
> any ideas about what might be going on here? Thanks so much!
>
> 1.57.0:
> "/opt/pl-build-tools/bin/sparc-sun-solaris2.10-g++"
> -ftemplate-depth-128 -std=c++11 -fPIC -O3 -finline-functions
> -Wno-inline -Wall -pthreads  -DBOOST_ALL_NO_LIB=1 -DNDEBUG
> -D_XOPEN_SOURCE=600  -I"." -c -o
> "boost/bin.v2/libs/program_options/build/gcc-4.8.2/release/link-static/threading-multi/cmdline.o"
> "libs/program_options/src/cmdline.cpp"
>
> This succeeds.
>
> 1.58.0:
> "/opt/pl-build-tools/bin/sparc-sun-solaris2.10-g++"
> -ftemplate-depth-128 -std=c++11 -fPIC -O3 -finline-functions
> -Wno-inline -Wall -mcpu=c3 -pthreads -m32  -DBOOST_ALL_NO_LIB=1
> -DNDEBUG -D_XOPEN_SOURCE=600  -I"." -c -o
> "boost/bin.v2/libs/program_options/build/gcc-4.8.2/release/link-static/threading-multi/cmdline.o"
> "libs/program_options/src/cmdline.cpp"
>
> This fails with errors such as:
> sparc-sun-solaris2.10-g++: error: unrecognized argument in option '-mcpu=c3'
> sparc-sun-solaris2.10-g++: note: valid arguments to '-mcpu=' are:
> cypress f930 f934 hypersparc leon native niagara niagara2 niagara3
> niagara4 sparclet sparclite sparclite86x supersparc tsc701 ultrasparc
> ultrasparc3 v7 v8 v9

Yeah, that was outright bug.

> 1.59.0-rc2:
> "/opt/pl-build-tools/bin/sparc-sun-solaris2.10-g++"
> -ftemplate-depth-128 -std=c++11 -fPIC -O3 -finline-functions
> -Wno-inline -Wall -mcpu=v7 -pthreads -m32  -DBOOST_ALL_NO_LIB=1
> -DNDEBUG -D_XOPEN_SOURCE=600  -I"." -c -o
> "boost/bin.v2/libs/program_options/build/gcc-4.8.2/release/link-static/threading-multi/cmdline.o"
> "libs/program_options/src/cmdline.cpp"
>
> This fails with errors such as:
> /var/tmp//cc6Xl0Mh.s: Assembler messages:
> /var/tmp//cc6Xl0Mh.s:2119: Error: Architecture mismatch on "cas".
> /var/tmp//cc6Xl0Mh.s:2119:  (Requires v9|v9a|v9b; requested architecture is v8.)

So only v9* works these days? Do you know if that's documented behaviour of sparc assembler?

You can work this around by adding

        instruction-set=v9

on the command line, but we probably need to make it default as well.

- Volodya