Installing Clang for QDoc
If you are going to build QDoc from source, the following prerequisites apply:
- Install LLVM 6.0 or greater. The pre-built binaries needed can be found here.
- Set the environment variable
LLVM_INSTALL_DIRto point to the directory where LLVM is installed. This should be the top level directory. For example, on a Linux or macOS system with LLVM installed to
$ export LLVM_INSTALL_DIR=/usr/llvm
On a Windows system with LLVM installed to
C:\> setx LLVM_INSTALL_DIR "C:\Program Files\LLVM"
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