llvm dev - Jan 2016 - llvm-config with shared libraries in cmake builds broken (since r257003?)

Hi Andrew,

since today, I get:

$ llvm-config --link-shared --libs engine
llvm-config: error: libLLVM-3.8svn.so is missing

Looking at the log, this is most likely caused by your recent change. 
cmake shared library builds generate separate .so files analogous to the 
static library builds, e.g. libLLVMCodeGen.so (no version suffix, 
curiously enough). It would be nice if that wasn't broken :)

Cheers,
Nicolai

On 07.01.2016 15:53, Nicolai Hähnle wrote:
> since today, I get:
>
> $ llvm-config --link-shared --libs engine
> llvm-config: error: libLLVM-3.8svn.so is missing
>
> Looking at the log, this is most likely caused by your recent change.
> cmake shared library builds generate separate .so files analogous to the
> static library builds, e.g. libLLVMCodeGen.so (no version suffix,
> curiously enough). It would be nice if that wasn't broken :)
After more investigation and help from Tom Stellard, it turns out that 
setting BUILD_SHARED_LIBS=on is what isn't supported with that change to 
llvm-config.
> Cheers,
> Nicolai

On Fri, 8 Jan 2016 at 05:37 Nicolai Hähnle <nhaehnle at gmail.com> wrote:
> On 07.01.2016 15:53, Nicolai Hähnle wrote:
> > since today, I get:
> >
> > $ llvm-config --link-shared --libs engine
> > llvm-config: error: libLLVM-3.8svn.so is missing
> >
> > Looking at the log, this is most likely caused by your recent change.
> > cmake shared library builds generate separate .so files analogous to
the
> > static library builds, e.g. libLLVMCodeGen.so (no version suffix,
> > curiously enough). It would be nice if that wasn't broken :)
>
> After more investigation and help from Tom Stellard, it turns out that
> setting BUILD_SHARED_LIBS=on is what isn't supported with that change
to
> llvm-config.
>
Nicolai,

Sorry, I monitored the buildbots but clearly they don't test that
configuration. I'll get onto it right away.

Cheers,
Andrew

> > Cheers,
> > Nicolai
>
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