1 files changed, 10 insertions, 7 deletions
diff --git a/pkgs/development/cuda-modules/setup-hooks/setup-cuda-hook.sh b/pkgs/development/cuda-modules/setup-hooks/setup-cuda-hook.sh
index a4a444fcd241..6e57c7b1072e 100644
--- a/pkgs/development/cuda-modules/setup-hooks/setup-cuda-hook.sh
+++ b/pkgs/development/cuda-modules/setup-hooks/setup-cuda-hook.sh
@@ -9,7 +9,7 @@ reason=
 [[ -n ${cudaSetupHookOnce-} ]] && guard=Skipping && reason=" because the hook has been propagated more than once"
 
 if (( "${NIX_DEBUG:-0}" >= 1 )) ; then
-    echo "$guard hostOffset=$hostOffset targetOffset=$targetOffset setupCudaHook$reason" >&2
+    echo "$guard hostOffset=$hostOffset targetOffset=$targetOffset setup-cuda-hook$reason" >&2
 else
     echo "$guard setup-cuda-hook$reason" >&2
 fi
@@ -24,16 +24,19 @@ extendcudaHostPathsSeen() {
     (( "${NIX_DEBUG:-0}" >= 1 )) && echo "extendcudaHostPathsSeen $1" >&2
 
     local markerPath="$1/nix-support/include-in-cudatoolkit-root"
-    [[ ! -f "${markerPath}" ]] && return
-    [[ -v cudaHostPathsSeen[$1] ]] && return
+    [[ ! -f "${markerPath}" ]] && return 0
+    [[ -v cudaHostPathsSeen[$1] ]] && return 0
 
     cudaHostPathsSeen["$1"]=1
 
     # E.g. cuda_cudart-lib
     local cudaOutputName
-    read -r cudaOutputName < "$markerPath"
+    # Fail gracefully if the file is empty.
+    # One reason the file may be empty: the package was built with strictDeps set, but the current build does not have
+    # strictDeps set.
+    read -r cudaOutputName < "$markerPath" || return 0
 
-    [[ -z "$cudaOutputName" ]] && return
+    [[ -z "$cudaOutputName" ]] && return 0
 
     local oldPath="${cudaOutputToPath[$cudaOutputName]-}"
     [[ -n "$oldPath" ]] && echo "extendcudaHostPathsSeen: warning: overwriting $cudaOutputName from $oldPath to $1" >&2
@@ -59,7 +62,7 @@ setupCUDAToolkitCompilers() {
     echo Executing setupCUDAToolkitCompilers >&2
 
     if [[ -n "${dontSetupCUDAToolkitCompilers-}" ]] ; then
-        return
+        return 0
     fi
 
     # Point NVCC at a compatible compiler
@@ -99,7 +102,7 @@ preConfigureHooks+=(setupCUDAToolkitCompilers)
 propagateCudaLibraries() {
     (( "${NIX_DEBUG:-0}" >= 1 )) && echo "propagateCudaLibraries: cudaPropagateToOutput=$cudaPropagateToOutput cudaHostPathsSeen=${!cudaHostPathsSeen[*]}" >&2
 
-    [[ -z "${cudaPropagateToOutput-}" ]] && return
+    [[ -z "${cudaPropagateToOutput-}" ]] && return 0
 
     mkdir -p "${!cudaPropagateToOutput}/nix-support"
     # One'd expect this should be propagated-bulid-build-deps, but that doesn't seem to work