Re: [Boost-users] LLVM bitcode for Boost libraries?

Subject: Re: [Boost-users] LLVM bitcode for Boost libraries?
From: degski (degski_at_[hidden])
Date: 2018-11-30 20:39:43

On Fri, 30 Nov 2018 at 16:09, Osman Zakir via Boost-users <
boost-users_at_[hidden]> wrote:

> So you mean I should use Clang-C2/Clang with Microsoft CodeGen, aka the
> clang-cl compiler?  Either way, how do I change the compiler toolchain when
> building Boost?
>

No, that's dead for a [quite] while now, just get and install Clang/LLVM
from https://releases.llvm.org/download.html#7.0.0.

AFAIK, the final Boost-1.69 release [or current dev branch] will allow for
building with clang-cl **and lld-link** [Thanks to Peter Dimov]. You'll
need to have a project-jam file something like this:

import option ;
using clang-win : : "C:\\Program Files\\LLVM\\bin\\clang-cl.exe"
-fuse-ld=lld :
    <compatibility>vc14
    <compileflags>-fmsc-version=1915
    <compileflags>-fms-compatibility
    <compileflags>-fno-delayed-template-parsing
    <compileflags>-flto=thin
    <cxxflags>"/std:c++17"
    <cxxflags>"/Zc:forScope"
    <cxxflags>"/Zc:wchar_t"
    <cxxflags>"/EHsc"
    <cxxflags>"/Zc:inline"
    <cxxflags>"/Gd"
    <cxxflags>"/diagnostics:classic"
    <cxxflags>-Wno-unknown-argument
    <cxxflags>-Wno-unknown-pragmas
    <cxxflags>-Wno-macro-redefined
    <cxxflags>-Wno-unused-variable
    <cxxflags>-Wno-mismatched-tags
    <cxxflags>-Wno-deprecated-declarations
    <cxxflags>-D_UNICODE
    <cxxflags>-DUNICODE
    <cxxflags>-DBOOST_USE_WINDOWS_H
    <cxxflags>-DBOOST_NO_ANSI_APIS
    <cxxflags>-DBOOST_USE_WINAPI_VERSION=0x1000
    <cxxflags>-DBOOST_USE_WINDOWS_H=1
    <cxxflags>-DNOMINMAX
    <cxxflags>-DWIN32_LEAN_AND_MEAN
    <cxxflags>-D_CRT_SECURE_NO_WARNINGS
;

But you'll have to adjust that to your needs.

degski
-- 
*“If something cannot go on forever, it will stop" - Herbert Stein*