[LLVMdev] Cross compiling question

[Luke Dalessandro]

Luke Dalessandro wrote:
> S. Bharadwaj Yadavalli wrote:
>> $ ../../../src/llvm-gcc-4.2/configure 
>> --prefix=<llvm-root>/install/x86_64-arm/llvm-gcc-4.2 
>> --program-prefix=llvm-x86_64-arm 
>> --enable-llvm=<llvm-root>/install/x86_64-arm/llvm 
>> --enable-languages=c,c++ --disable-multilib 
>> --target=arm-unknown-linux-gnueabi
> 
> I can't really comment on your specific problem, but you might try 
> adding --with-build-sysroot to point to your arm headers. You also need 
> to have binutils built for cross ARM as well. If cross binutils is in 
> your path (bins will have arm prefix) you're fine, otherwise you need to 
> specify them at configure too (--with-gnu-ld, --with-gnu-as). I don't 
> know if you need cross gmp or mpfr too.

Sorry, that should be --with-sysroot. And I guess you don't need gmp or 
mpfr since you're running it on a system where those exist already.

For more info about these configure options see 
http://gcc.gnu.org/install/configure.html under "Cross-Compiler-Specific 
Options."

Good luck,
Luke

>>
>> Thanks for any help!
>>
>> Bharadwaj
>>
>>
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