diff options
| -rw-r--r-- | llvm/cmake/modules/AddLLVM.cmake | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake index 8be19b1..e0ceb36 100644 --- a/llvm/cmake/modules/AddLLVM.cmake +++ b/llvm/cmake/modules/AddLLVM.cmake @@ -1484,9 +1484,14 @@ function(configure_lit_site_cfg site_in site_out) if (ARG_PATHS) # Walk ARG_PATHS and collect the current value of the variables in there. + # list(APPEND) ignores empty elements exactly if the list is empty, + # so start the list with a dummy element and drop it, to make sure that + # even empty values make it into the values list. + set(ARG_PATH_VALUES "dummy") foreach(path ${ARG_PATHS}) list(APPEND ARG_PATH_VALUES "${${path}}") endforeach() + list(REMOVE_AT ARG_PATH_VALUES 0) # Compute paths relative to the directory containing output lit.site.cfg.py. # Passing ARG_PATH_VALUES as-is to execute_process() makes cmake strip |