Update default msvccompiler link options to match the options used for core builds.

This ensures that wheels will work when moved to machines that have the same subset of the MSVC libraries as a regular CPython install. Specifically, vcruntime##0.dll may not be installed, and should not be a dependency.

diff --git a/Lib/distutils/_msvccompiler.py b/Lib/distutils/_msvccompiler.py
index 896d9d927fa6069150355a214e6c9b7a54293d19..4e2eed72a99c7a69565c49917f373da0960b4b2c 100644 (file)
--- a/Lib/distutils/_msvccompiler.py
+++ b/Lib/distutils/_msvccompiler.py
@@ -207,10 +207,10 @@ class MSVCCompiler(CCompiler) :
         ]
 
         self.ldflags_shared = [
-            '/nologo', '/DLL', '/INCREMENTAL:NO'
+            '/nologo', '/DLL', '/INCREMENTAL:NO', '/LTCG', '/nodefaultlib:libucrt.lib', 'ucrt.lib'
         ]
         self.ldflags_shared_debug = [
-            '/nologo', '/DLL', '/INCREMENTAL:no', '/DEBUG:FULL'
+            '/nologo', '/DLL', '/INCREMENTAL:no', '/LTCG', '/DEBUG:FULL', '/nodefaultlib:libucrtd.lib', 'ucrtd.lib'
         ]
         self.ldflags_static = [
             '/nologo'