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-rw-r--r--pkgs/build-support/cc-wrapper/utils.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/build-support/cc-wrapper/utils.sh b/pkgs/build-support/cc-wrapper/utils.sh
index c84a094e26b0..c43c2e12d74a 100644
--- a/pkgs/build-support/cc-wrapper/utils.sh
+++ b/pkgs/build-support/cc-wrapper/utils.sh
@@ -1,5 +1,5 @@
 skip () {
-    if [ -n "${NIX_DEBUG:-}" ]; then
+    if (( "${NIX_DEBUG:-0}" >= 1 )); then
         echo "skipping impure path $1" >&2
     fi
 }