[llvm-dev] Help building llvm on freebsd 8.4

Sushil pangeni via llvm-dev llvm-dev at lists.llvm.org
Wed Jun 22 17:59:37 PDT 2016


Hi,

Thanks for the information.

Is it possible to compile LLVM 3.8 in FreeBSD 10.x and eventually use/run
it on 8.4.
Our production environment is running 8.4 and we cannot update it.

Thanks,
Sushil Pangeni

On Wed, Jun 22, 2016 at 2:01 PM, Dimitry Andric <dimitry at andric.com> wrote:

> You cannot build any llvm or clang releases after 3.4 on FreeBSD 8.x
> natively, as it is not C++11 capable.  You need to use at least FreeBSD
> 10.x, which comes with clang 3.4.1 and libc++, providing C++11 support.
>
> Also, please note that FreeBSD 8.x is officially EOLed as of August 1,
> 2015.
>
> That said, you might have some success if you install a recent gcc port.
> You will most likely have to manually apply
> https://svnweb.freebsd.org/base?view=revision&revision=297212 though, as
> I have not merged that back to FreeBSD 8.
>
> -Dimitry
>
> On 22 Jun 2016, at 22:05, Sushil pangeni via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
> >
> > I am trying to build LLVM from source in FreeBSD 8.4. Here are the steps
> i carried out
> >
> > 1. Downloaded the source from
> http://llvm.org/releases/3.8.0/llvm-3.8.0.src.tar.xz
> > 2. Extracted the source into a folder.
> > 3. Created a build directory and inside it ran $ cmake ../llvm-3.8.0.src
> > 4. Started the build using $cmake --build .
> >
> > It throws the following error
> >
> > /home/spangeni/llvm/llvm-3.8.0.src/lib/TableGen/TGLexer.cpp: In member
> function 'llvm::tgtok::TokKind llvm::TGLexer::LexNumber()':
> > /home/spangeni/llvm/llvm-3.8.0.src/lib/TableGen/TGLexer.cpp:393:48:
> error: 'strtoll' was not declared in this scope
> >        CurIntVal = strtoll(NumStart, nullptr, 16);
> >                                                 ^
> > /home/spangeni/llvm/llvm-3.8.0.src/lib/TableGen/TGLexer.cpp:398:60:
> error: 'strtoull' was not declared in this scope
> >          CurIntVal = (int64_t)strtoull(NumStart, nullptr, 16);
> >                                                             ^
> > /home/spangeni/llvm/llvm-3.8.0.src/lib/TableGen/TGLexer.cpp:414:47:
> error: 'strtoll' was not declared in this scope
> >        CurIntVal = strtoll(NumStart, nullptr, 2);
> >                                                ^
> > /home/spangeni/llvm/llvm-3.8.0.src/lib/TableGen/TGLexer.cpp:429:44:
> error: 'strtoll' was not declared in this scope
> >    CurIntVal = strtoll(TokStart, nullptr, 10);
> > GCC Version = 4.9.2 CMAKE version = 3.2.3
> >
> > I also tried to include stdlib.h in the file
> llvm-3.8.0.src/lib/TableGen/TGLexer.cpp. This din't help.
> >
> > Is there any configuration I am missing ?
>
>
>


-- 
SHUSHIL
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