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-rw-r--r--lib/spack/spack/build_environment.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index 4e649ca0f3..1ef3c658dc 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -217,6 +217,9 @@ def clean_environment():
env.unset("R_HOME")
env.unset("R_ENVIRON")
+ env.unset("LUA_PATH")
+ env.unset("LUA_CPATH")
+
# Affects GNU make, can e.g. indirectly inhibit enabling parallel build
# env.unset('MAKEFLAGS')