kimgr wrote:
> Or making CustomResourceDir = CLANG_RESOURCE_DIR by default instead of "".
Binding that default value in Driver.h would leave it to external projects
(using Clang) to resolve `CLANG_RESOURCE_DIR`, which is not available outside
Clang. So it somehow needs to move into the body of `GetResourcesPath`.
Also, looking at the use of `CustomResourceDir`, it looks like it expects path
relative to `dirname(clang)`, i.e. it would have to be something like `
`BinaryPath="/usr/lib/llvm-20/bin/clang"` and
`{CLANG_RESOURCE_DIR,CustomResourceDir}="../share/my-tool/"`. Overall
`CLANG_RESOURCE_DIR` and that custom resource dir seems pretty hard to get
right, I wonder if it's ever used.
It was originally added to the LLVM CMake in
https://github.com/llvm/llvm-project/commit/ffae4a66fa9de885382c48c725b1039593975986
and used in the subsequent
https://github.com/llvm/llvm-project/commit/06067c556a0beb136bf3bb62f478269f67701486.
I'm curious about these 'strange packaging environments" :)
https://github.com/llvm/llvm-project/pull/97197
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