Subject: Re: [boost] [clang] Windows toolset support?
From: Paul A. Bristow (pbristow_at_[hidden])
Date: 2012-11-05 12:16:06
> -----Original Message-----
> From: boost-bounces_at_[hidden] [mailto:boost-bounces_at_[hidden]] On Behalf Of Paul A.
> Sent: Monday, November 05, 2012 5:11 PM
> To: boost_at_[hidden]
> Subject: Re: [boost] [clang] Windows toolset support?
> > -----Original Message-----
> > From: boost-bounces_at_[hidden] [mailto:boost-bounces_at_[hidden]] On Behalf Of Paul A.
> > Bristow
> > Sent: Monday, October 29, 2012 9:34 AM
> > To: boost_at_[hidden]
> > Subject: Re: [boost] [clang] Windows toolset support?
> > > On Tue, Oct 23, 2012 at 6:25 AM, Beman Dawes <bdawes_at_[hidden]> wrote:
> > >
> > > > Cygwin has been shipping clang for six months or so. Has anyone
> > > > gotten the cygwin/clang distribution (or any other clang
> > > > distribution) to build boost?
> > > >
> > > > What toolset did you use?
> > > >
> > > > What does your user-config.jam file look like?
> > > >
> > > > Do you run bjam/b2 from the Windows command line or the bash command line?
> > > I do not use cygwin, however I have successfully been building and
> > > using Boost with Clang on
> > Windows
> > > using the toolchain provided by rubenvb over at the Mingw-w64 project:
> > > http://sourceforge.net/projects/mingw-
> > > w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/rubenvb/
> > > cl
> > > ang-3.1-release/
> > >
> > > My user-config.jam is empty.
> > >
> > > I compile with the following command line (windows command line):
> > >
> > > > set OLDCD=%CD%
> > > > pushd %BOOST_ROOT%
> > > > set OLDPATH=%PATH%
> > > > set PATH=%MINGW32_CLANG%;%MINGW32_CLANG%\bin\;%PATH%
> > > > b2 -j %NUMBER_OF_PROCESSORS% toolset=clang cxxflags=-std=c++11
> > > > address-model=32 architecture=x86 --stagedir=stage/clang-x86
> > > > link=static runtime-link=static threading=multi debug-symbols=on
> > > > define=WINVER=_WIN32_WINNT_VISTA
> > > > define=_WIN32_WINNT=_WIN32_WINNT_VISTA
> > > > stage > %OLDCD%\clang32.txt
> > > > set PATH=%OLDPATH%
> > > > popd
> > >
> > >
> > > Unfortunately Boost is detecting the compiler as "clang.linux", but
> > > other than that it seems to
> > work for the
> > > most part.
> > >
> > > The stuff that doesn't work:
> > > * Boost.Context (it fails to assemble its assembler files)
> > > * Boost.Math (it attempts an 'rm' command, I assume because it
> > > thinks it's on *nix)
> > > * Boost.Python (the same ::hypot error that also plagues GCC in
> > > C++11
> > > mode)
> > >
> > > Most everything else seems to work okay (though I have to use
> > > pragmas to disable a LOT of warnings when including boost headers,
> > > though that may simply be because I
> have all
> > warnings enabled).
> > >
> > > Clang support on Windows still needs a lot of work (Ruben tells me
> > > that there's about half a
> > person
> > > working on it on the Clang side), but perhaps some interest from the
> > > Boost community would help
> > drive
> > > some more investment into the platform?
> > This sounds rather promising.
> > Having got Ruben's mingw gcc binary to work nicely with NetBeans, I tried to use Ruben's Clang
> > binary, but I haven't got this configured right yet. Since NetBeans provides a nice IDE on
> > Windows, I'm sure there will be lots of enthusiasm from Boosters to be able to use this
> But I am now trying to build the Boost libraries using the mingw.
> After some googling, I've added
> # Clang compiler using mingw32 dw2 Ruben's release.
> using clang
> : 3.1
> : "C:/mingw32-dw2/bin/clang++.exe"
> : # <cxxflags>-std="c++11"
> <cxxflags>-v # diagnostics
> <cflags>-nostdinc # Do not include MSVC C headers.
> <cxxflags>-nostdinc++ # Do not include MSVC C++ headers.
> # Instead use mingw-dw2 for includes
> # includes like <cstddef.h> are at C:\mingw32-dw2\include\c++\4.6.3
> to my user_config.jam with this results
> clang version 3.1 (tags/RELEASE_31/final 161181) (llvm/tags/RELEASE_31/final 161243)
> Target: i686-w64-mingw32
> Thread model: posix
> -cc1 -triple i686-w64-mingw32
> -disable-free -disable-llvm-verifier
> -main-file-name execution_monitor.cpp
> -mrelocation-model static
> -target-cpu pentium4
> -target-linker-version 188.8.131.5220323
> -momit-leaf-frame-pointer -v -g -coverage-file C:/Users/Paul/AppData/Local/Temp/execution_monitor-
> -resource-dir "C:/mingw32-dw2/bin\\..\\lib\\clang\\3.1"
> -D BOOST_ALL_NO_LIB=1 -D BOOST_TEST_DYN_LINK=1 -I .
> -fmodule-cache-path "C:\\Users\\Paul\\AppData\\Local\\Temp\\clang-module-cache"
> -O0 -Wall
> -ferror-limit 19
> -fmessage-length 0
> -mstackrealign -fno-use-cxa-atexit -fno-inline -fgnu-runtime -fobjc-runtime-has-arc
> weak -fobjc-fragile-abi -fcxx-exceptions -fexceptions -fdiagnostics-show-option -o
> -x c++ "libs\\test\\src\\execution_monitor.cpp"
> clang -cc1 version 3.1 based upon LLVM 3.1 default target i686-w64-mingw32 ignoring nonexistent
> directory "/usr/local/include"
> ignoring nonexistent directory
> ignoring nonexistent directory "/mingw/include"
> ignoring nonexistent directory "/usr/include"
> #include "..." search starts here:
> #include <...> search starts here:
> End of search list.
> In file included from libs\test\src\execution_monitor.cpp:16:
> In file included from .\boost/test/impl/execution_monitor.ipp:28:
> In file included from .\boost/test/detail/config.hpp:19:
> In file included from .\boost/config.hpp:40:
> .\boost/config/select_stdlib_config.hpp:18:12: fatal error: 'cstddef' file not found # include
> 1 error generated.
Oops! Sorry pressed the send button too soon!
I suspect I am not passing the right include info.
"ignoring nonexistent directory
suggests that my absolute address has not been interpreted as I expected.
Suggestions most welcome.
--- Paul A. Bristow, Prizet Farmhouse, Kendal LA8 8AB UK +44 1539 561830 07714330204 pbristow_at_[hidden]
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk