[LLVMdev] building LLVM for raspberry pi

[Benjamin Kramer]

On 01.09.2012, at 15:02, Keith Sheppard <keithshep at gmail.com> wrote:

> Hi All,
> 
> I tried build a version of LLVM pulled from the git repo on my
> raspberry pi. I got close to the finish line then:
> 
> llvm[2]: Building Debug+Asserts Archive Library libLLVMDebugInfo.a
> make[2]: Leaving directory `/home/pi/llvm-git/lib/DebugInfo'
> make[1]: Leaving directory `/home/pi/llvm-git/lib'
> make[1]: Entering directory `/home/pi/llvm-git/tools/llvm-shlib'
> llvm[1]: Linking Debug+Asserts Shared Library libLLVM-3.2svn.so
> collect2: ld terminated with signal 9 [Killed]
> make[1]: *** [/home/pi/llvm-git/Debug+Asserts/lib/libLLVM-3.2svn.so] Error 1
> make[1]: Leaving directory `/home/pi/llvm-git/tools/llvm-shlib'
> make: *** [all] Error 1
> 
> So it seems that ld ran out of memory. My build command was:
> 
>> ./configure --enable-shared --enable-jit && make

Try --enable-optimized, debug info makes linking on linux extremely memory-intensive.

If that doesn't help you can try to disable targets you don't need, which should also make the linker's life easier.

- Ben

> 
> So I think this means I need to cross compile but this is something
> that I haven't ever done before so I could use some pointers. Is there
> a recipe for building LLVM for raspberry pi that someone can share or
> any pointers? Incase it matters the source OS is OS X Mountain Lion
> and I'm happy to use gcc/clang/whatever works.
> 
> Thanks, Keith
> 
> --
> 
> http://keithsheppard.name
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