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-rw-r--r--lib/spack/spack/build_environment.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index 99c4cae020..7220539886 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -266,6 +266,8 @@ def set_build_environment_variables(pkg, env):
# can affect how some packages find libraries. We want to make
# sure that builds never pull in unintended external dependencies.
env.unset('LD_LIBRARY_PATH')
+ env.unset('LIBRARY_PATH')
+ env.unset('CPATH')
env.unset('LD_RUN_PATH')
env.unset('DYLD_LIBRARY_PATH')