[libclc] Expose prepare_builtins_* variables in top-level CMakeLists (#149657)

Fix `libclc/utils/CMakeLists.txt` to expose `prepare_builtins_*`
variables in parent scope. This was a regression introduced in #148815
where the code was moved into subdirectory, and the variables would no
longer be accessible to calls in top-level CMakeLists, resulting in
attempting to build targets with empty command:

```
[1566/1676] cd /var/tmp/portage/llvm-core/libclc-22.0.0.9999/work/libclc_build && -o /var/tmp/portage/llvm-core/libclc-22.0.0.9999/work/libclc_build/clspv--.bc /var/tmp/portage/llvm-core/libclc-22.0.0.9999/work/libclc_build/obj.libclc.dir/clspv--/builtins.opt.clspv--.bc
FAILED: clspv--.bc /var/tmp/portage/llvm-core/libclc-22.0.0.9999/work/libclc_build/clspv--.bc
cd /var/tmp/portage/llvm-core/libclc-22.0.0.9999/work/libclc_build && -o /var/tmp/portage/llvm-core/libclc-22.0.0.9999/work/libclc_build/clspv--.bc /var/tmp/portage/llvm-core/libclc-22.0.0.9999/work/libclc_build/obj.libclc.dir/clspv--/builtins.opt.clspv--.bc
/bin/sh: line 1: -o: command not found
```
This commit is contained in:
Michał Górny 2025-07-20 05:26:51 +02:00 committed by GitHub
parent e7ac49977a
commit 58c3affdaa
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@ -12,8 +12,8 @@ set( LLVM_LINK_COMPONENTS
if( LIBCLC_STANDALONE_BUILD )
add_llvm_executable( prepare_builtins prepare-builtins.cpp )
set( prepare_builtins_exe prepare_builtins )
set( prepare_builtins_target prepare_builtins )
set( prepare_builtins_exe prepare_builtins PARENT_SCOPE )
set( prepare_builtins_target prepare_builtins PARENT_SCOPE )
else()
add_llvm_utility( prepare_builtins prepare-builtins.cpp )
setup_host_tool( prepare_builtins PREPARE_BUILTINS prepare_builtins_exe prepare_builtins_target )