On Wed, Apr 25, 2018 at 06:33:56PM +0000, Johan Engelen via Digitalmars-d wrote:
> On Wednesday, 25 April 2018 at 17:31:06 UTC, H. S. Teoh wrote:
> > I'm trying to figure out how to do a traditional instrumented profile with LDC.  All docs that I've managed to find so far say to use -fprofile-instr-generate, but when I try that, I get a ton of linker errors complaining of undefined reference to the symbol:
> > 
> > 	__llvm_profile_instrument_target
> > 
> > What gives?  I'm guessing I need to specify some additional LLVM libraries for this?
> 
> How are you linking? Do you let LDC link and is `-fprofile-instr-generate` passed during linking aswell?

I'm compiling and linking with LDC as a single command.


> The profiling runtime must be linked in. On Unixes, the file is "libldc_rt.profile-x86_64.a".
[...]

This library appears to be missing from my system. I'm guessing that's the cause of the problem.  Which package is it found in?  I currently have these ldc-related packages installed:

	ldc
	libphobos2-ldc-dev
	libphobos2-ldc-shared-dev
	libphobos2-ldc-shared78:amd64

Maybe I'm missing a package or two?


T

-- 
Век живи - век учись. А дураком помрёшь.

On Wednesday, 25 April 2018 at 19:05:53 UTC, H. S. Teoh wrote:
> On Wed, Apr 25, 2018 at 06:33:56PM +0000, Johan Engelen via Digitalmars-d wrote:
>
>> The profiling runtime must be linked in. On Unixes, the file is "libldc_rt.profile-x86_64.a".
> [...]
>
> This library appears to be missing from my system. I'm guessing that's the cause of the problem.  Which package is it found in?
>  I currently have these ldc-related packages installed:
>
> 	ldc
> 	libphobos2-ldc-dev
> 	libphobos2-ldc-shared-dev
> 	libphobos2-ldc-shared78:amd64
>
> Maybe I'm missing a package or two?

On Unixes, packagers have to manually set our CMake option `LDC_INSTALL_LLVM_RUNTIME_LIBS=ON`.
Probably, the Debain package is built without it. (It should be in `ldc`).

Try the LDC release package from Github?

-Johan