1 files changed, 90 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/win-sdk/package.py b/var/spack/repos/builtin/packages/win-sdk/package.py
new file mode 100644
index 0000000000..8ac2992205
--- /dev/null
+++ b/var/spack/repos/builtin/packages/win-sdk/package.py
@@ -0,0 +1,90 @@
+# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
+import os
+import re
+
+from spack.package import *
+
+
+class WinSdk(Package):
+    """
+    Windows Desktop C++ development SDK
+    Spack packaged used to define search heuristics
+    to locate the SDK on a filesystem
+    """
+
+    homepage = "https://developer.microsoft.com/en-us/windows/downloads/windows-sdk/"
+    has_code = False
+
+    # The sdk has many libraries and executables. Record one for detection purposes
+    libraries = ["rcdll.dll"]
+
+    version("10.0.22621")
+    version("10.0.19041")
+    version("10.0.18362")
+    version("10.0.17763")
+    version("10.0.17134")
+    version("10.0.16299")
+    version("10.0.15063")
+    version("10.0.14393")
+    version("10.0.10586")
+    version("10.0.26639")
+
+    variant("plat", values=("x64", "x86", "arm", "arm64"), default="x64")
+
+    # WinSDK versions depend on compatible compilers
+    # WDK versions do as well, but due to their one to one dep on the SDK
+    # we can ensure that requirment here
+    # WinSDK is very backwards compatible, however older
+    # MSVC editions may have problems with newer SDKs
+    conflicts("%msvc@:19.16.00000", when="@10.0.19041")
+    conflicts("%msvc@:19.16.00000", when="@10.0.18362")
+    conflicts("%msvc@:19.15.00000", when="@10.0.17763")
+    conflicts("%msvc@:19.14.00000", when="@10.0.17134")
+    conflicts("%msvc@:19.11.00000", when="@10.0.16299")
+    conflicts("%msvc@:19.10.00000", when="@10.0.15063")
+    conflicts("%msvc@:19.10.00000", when="@10.0.14393")
+    conflicts("%msvc@:19.00.00000", when="@10.0.10586")
+
+    # For now we don't support Windows development env
+    # on other platforms
+    for plat in ["linux", "darwin", "cray"]:
+        conflicts("platform=%s" % plat)
+
+    @classmethod
+    def determine_version(cls, lib):
+        """
+        WinSDK that we would like to
+        be discoverable externally by Spack.
+        """
+        # This version is found in the package's path
+        # not by calling an exe or a libraries name
+        version_match_pat = re.compile(r"[0-9][0-9].[0-9]+.[0-9][0-9][0-9][0-9][0-9]")
+        ver_str = re.search(version_match_pat, lib)
+        return ver_str if not ver_str else Version(ver_str.group())
+
+    @classmethod
+    def determine_variants(cls, libs, ver_str):
+        """Allow for determination of toolchain arch for detected WGL"""
+        variants = []
+        for lib in libs:
+            base, lib_name = os.path.split(lib)
+            _, arch = os.path.split(base)
+            variants.append("plat=%s" % arch)
+        return variants
+
+    def install(self, spec, prefix):
+        raise RuntimeError(
+            "This package is not installable from Spack\
+            and should be installed on the system prior to Spack use.\
+                If not installed this package should be installed via\
+                    the Visual Studio installer in order to use the \
+                        MSVC compiler on Windows."
+            "If absolutely neccesary this SDK can be installed directly from Microsoft\
+                but this approach is not recommended unless you know what you're doing \
+                    or if you're on Windows 11 you have no choice for the moment."
+        )