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-rw-r--r--etc/spack/defaults/concretizer.yaml5
1 files changed, 5 insertions, 0 deletions
diff --git a/etc/spack/defaults/concretizer.yaml b/etc/spack/defaults/concretizer.yaml
index edefa552ce..5512cde24d 100644
--- a/etc/spack/defaults/concretizer.yaml
+++ b/etc/spack/defaults/concretizer.yaml
@@ -42,3 +42,8 @@ concretizer:
# "minimal": allows the duplication of 'build-tools' nodes only (e.g. py-setuptools, cmake etc.)
# "full" (experimental): allows separation of the entire build-tool stack (e.g. the entire "cmake" subDAG)
strategy: minimal
+ # Option to specify compatiblity between operating systems for reuse of compilers and packages
+ # Specified as a key: [list] where the key is the os that is being targeted, and the list contains the OS's
+ # it can reuse. Note this is a directional compatibility so mutual compatibility between two OS's
+ # requires two entries i.e. os_compatible: {sonoma: [monterey], monterey: [sonoma]}
+ os_compatible: {}