llvm-config Command Examples

Get various configuration information needed to compile programs which use LLVM. Typically called from build systems, like in Makefiles or configure scripts. More information: https://llvm.org/docs/CommandGuide/llvm-config.html.

• Compile and link an LLVM based program:

clang++ $(llvm-config --cxxflags --ldflags --libs) --output {{path/to/output_executable}} {{path/to/source.cc}}

• Print the PREFIX of your LLVM installation:

llvm-config --prefix

• Print all targets supported by your LLVM build:

llvm-config --targets-built