[LLVMdev] How to build llvm-config with a different compiler? (original) (raw)
Frank Winter fwinter at jlab.org
Wed Mar 5 14:08:03 PST 2014
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Found it! Looking through the Makefiles revealed that there's already an llvm-config-host tool installed that in case of a cross-build runs on the host.
Frank
On 05/03/14 15:55, Frank Winter wrote:
In a cross build I'd need to retain the system compiler only for llvm-config. E.g. I am doing
_$LLVMPATH/configure _ _--prefix=$INSTALL/llvm-$TYPE _ _--host=powerpc64-bgq-linux _ _--build=powerpc64-unknown-linux-gnu _ _--enable-shared _ _CXX=${CXX} _ _CC=${CC} _ where CXX and CC are cross compilers. Doing this results in llvm-config being built with CXX/CC which is not desired. When adding _BUILDCC=gcc _ BUILDCXX=g++ still the llvm-config seems to be built with CXX/CC. Anyone any idea/hint? Thanks, Frank
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