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I am trying to build cross compiler for custom processor (say XYZ) but on compilation it is giving error llvm-build: error: invalid native target: XYZ (not in project) I have tried configuring like these 1. ./configure --target=XYZ 2. ./configure --target=XYZ --enable-targets=XYZ 3. ./configure --enable-targets=XYZ But every time it is not recognising the XYZ processor. What could be the

You need to add your target to autoconf/configure.ac. Here are the directions from http://llvm.org/docs/WritingAnLLVMBackend.html To get LLVM to actually build and link your target, you need to add it to the TARGETS_TO_BUILD variable. To do this, you modify the configure script to know about your target when parsing the --enable-targets option. Search the configure script for TARGETS_TO_BUILD,