[llvm] Add zlib to Windows release build (PR #186630)

[Oliver Old via llvm-commits]

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@@ -407,6 +421,22 @@ set "libxmldir=%libxmldir:\=/%"
 cd ..
 exit /b 0
 
+::==============================================================================
+:: Build zlib.
+::==============================================================================
+:do_build_zlib
+mkdir zlibbuild
+cd zlibbuild
+cmake -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=install ^
+  -DZLIB_BUILD_TESTING=OFF -DZLIB_BUILD_SHARED=OFF -DZLIB_BUILD_STATIC=ON ^
+  -DZLIB_INSTALL=ON -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded ^
+  ../../zlib-1.3.2 || exit /b 1
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oold wrote:

Sure.

https://github.com/llvm/llvm-project/pull/186630