[llvm-commits] [llvm] r73579 - in /llvm/trunk: Makefile.rules docs/MakefileGuide.html tools/llvmc/driver/Makefile

[Nicolas Geoffray]

Hi Chris,

Chris Lattner wrote:
>
> The big part of the change was to change .o -> .a.  If nothing  
> references the .o file within the .a, it is quite possible that the  
> code in the .a isn't being linked in...  I'm sorry for the breakage,  
> if you have any idea what the right fix is, I'd really appreciate  
> help :)
>   

So there are lots of functions in vmkit that are not used in vmkit's 
source code, but that will be used at runtime. With the .o -> .a change, 
these functions get indeed removed from the final executable, which 
makes vmkit crash because it can't find the functions. I see two options 
here:

a) Generate a .o again. Have you left in Makefile.rules a way to 
generate .o instead of .a?
b) Hack the source code to force these functions to be linked. I know 
llvm is doing that a lot in its header files, but I don't know what is 
the general rule for doing that. Do you have any advices?

Thanks!
Nicolas

> -Chris
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