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authorValentin Volkl <valentin.volkl@cern.ch>2021-11-09 11:16:42 +0100
committerGitHub <noreply@github.com>2021-11-09 11:16:42 +0100
commita3dd0e78613f1016bbd35e4dabcf95ea63616788 (patch)
tree378e5a849ee124a9716272dc7688dfdf35730640 /lib
parentabdd206f652b1c9135f874452eecb5b0de9ec40c (diff)
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build_environment: clean *_ROOT variables (#26474)
Co-authored-by: Harmen Stoppels <harmenstoppels@gmail.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/spack/spack/build_environment.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index 83aa634276..fa1ad76274 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -185,6 +185,13 @@ def clean_environment():
env.unset('LD_PRELOAD')
env.unset('DYLD_INSERT_LIBRARIES')
+ # Avoid <packagename>_ROOT user variables overriding spack dependencies
+ # https://cmake.org/cmake/help/latest/variable/PackageName_ROOT.html
+ # Spack needs SPACK_ROOT though, so we need to exclude that
+ for varname in os.environ.keys():
+ if varname.endswith('_ROOT') and varname != 'SPACK_ROOT':
+ env.unset(varname)
+
# On Cray "cluster" systems, unset CRAY_LD_LIBRARY_PATH to avoid
# interference with Spack dependencies.
# CNL requires these variables to be set (or at least some of them,