[cfe-dev] build issues with c++ code on OpenBSD

Vladimir Kirillov proger at uaoug.org.ua
Mon Jul 26 22:45:11 PDT 2010

On 15:21 Mon 26 Jul, John McCall wrote:
> On Jul 26, 2010, at 3:11 PM, Vladimir Kirillov wrote:
> > Hello, cfe-dev!
> > 
> > I've been playing around with clang apis for some time lately
> > both on Mac OS X (built with usual ./configure && make) and OpenBSD
> > (built system g++ (4.2.1) with linker version scripts turned off
> > (binutils 2.15) and --enable-targets=host,cbe,cpp).
> > 
> > While clang++ builds example C++ code (using some stl) just fine
> > (using includes and libstdc++ from gcc 4.2.4), it bails out with a
> > bunch of 'undefined references' at link time on OpenBSD (OS X is just
> > fine with same flags)
> I would guess that you need to properly sort your link line. 
> The Darwin linker doesn't require -l options to be topologically sorted by dependence, but most other linkers do.

That was it! GNU ld manuals say I have to sort libraries in order of
depedence, in my case the compiled object needed to go first (it was the
last on the command line).

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