Re: JIT compiling with LLVM v10.0

On 2018-02-08 15:14:42 +0100, Dmitry Dolgov wrote:
> > On 8 February 2018 at 10:29, Andreas Karlsson <andreas(at)proxel(dot)se> wrote:
> >> On 02/07/2018 03:54 PM, Andres Freund wrote:
> >>
> >> I've pushed v10.0. The big (and pretty painful to make) change is that
> >> now all the LLVM specific code lives in src/backend/jit/llvm, which is
> >> built as a shared library which is loaded on demand.
> >
> >
> > It does not seem to be possible build without LLVM anymore.

Yea, wrong header included. Will fix.

> Maybe I'm doing something wrong, but I also see some issues during compilation
> even with llvm included (with gcc 5.4.0 and 7.1.0). Is it expected, do I need
> to use another version to check it out?
>
> $ git rev-parse HEAD
> e24cac5951575cf86f138080acec663a0a05983e
>
> $ ./configure --prefix=/build/postgres-jit/ --with-llvm
> --enable-debug --enable-depend --enable-cassert

Seems you need to provide a decent C++ compiler (via CXX=... to
configure). Will test that it actually works with a recent clang.

Greetings,

Andres Freund