1 files changed, 13 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/zlib/disable-cygwin-widechar.patch b/nixpkgs/pkgs/development/libraries/zlib/disable-cygwin-widechar.patch
new file mode 100644
index 000000000000..3de4978c3066
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/zlib/disable-cygwin-widechar.patch
@@ -0,0 +1,13 @@
+diff --git a/gzguts.h b/gzguts.h
+index 990a4d2..6378d46 100644
+--- a/gzguts.h
++++ b/gzguts.h
+@@ -39,7 +39,7 @@
+ #  include <io.h>
+ #endif
+ 
+-#if defined(_WIN32) || defined(__CYGWIN__)
++#if defined(_WIN32)
+ #  define WIDECHAR
+ #endif
+