1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/run-cli-tests-maybe-unset-ccache b/src/test/run-cli-tests-maybe-unset-ccache
new file mode 100755
index 000000000..ba72b0622
--- /dev/null
+++ b/src/test/run-cli-tests-maybe-unset-ccache
@@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+# ccache breaks if it sees CCACHE_DIR="", yet due to clumsiness of
+# /usr/bin/env, it's hard to avoid setting env vars for the parent;
+# unset them if they're empty
+
+if [ -z "$CCACHE_DIR" ]; then
+   unset CCACHE_DIR
+fi
+
+if [ -z "$CC" ]; then
+   unset CC
+fi
+
+if [ -z "$CXX" ]; then
+   unset CXX
+fi
+
+exec "$@"