From 9c662a39b2fe2cda5931b709c5eb8e736b03f4e2 Mon Sep 17 00:00:00 2001
From: Taeer Bar-Yam <taeer@bar-yam.me>
Date: Wed, 28 Apr 2021 10:06:20 -0400
Subject: [PATCH] zlib: fix windows static compile

---
 pkgs/development/libraries/zlib/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index da8aac5229b6..998550d1fee6 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -84,7 +84,7 @@ stdenv.mkDerivation (rec {
   ''
     # Non-typical naming confuses libtool which then refuses to use zlib's DLL
     # in some cases, e.g. when compiling libpng.
-  + lib.optionalString (stdenv.hostPlatform.libc == "msvcrt") ''
+  + lib.optionalString (stdenv.hostPlatform.libc == "msvcrt" && shared) ''
     ln -s zlib1.dll $out/bin/libz.dll
   '';