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-rw-r--r--lib/spack/spack/compilers/msvc.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/spack/spack/compilers/msvc.py b/lib/spack/spack/compilers/msvc.py
index 54d159d6a7..6e9d1d0277 100644
--- a/lib/spack/spack/compilers/msvc.py
+++ b/lib/spack/spack/compilers/msvc.py
@@ -151,7 +151,11 @@ class Msvc(Compiler):
arch = arch.replace("-", "_")
# vcvars can target specific sdk versions, force it to pick up concretized sdk
# version, if needed by spec
- sdk_ver = "" if "win-sdk" not in pkg.spec else pkg.spec["win-sdk"].version.string + ".0"
+ sdk_ver = (
+ ""
+ if "win-sdk" not in pkg.spec or pkg.name == "win-sdk"
+ else pkg.spec["win-sdk"].version.string + ".0"
+ )
# provide vcvars with msvc version selected by concretization,
# not whatever it happens to pick up on the system (highest available version)
out = subprocess.check_output( # novermin