From 33eec8e105359b1c01490f64f02057bf75a90c09 Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Tue, 23 May 2017 10:36:07 -0300
Subject: [PATCH] ncurses: fix cygwin build

---
 pkgs/development/libraries/ncurses/default.nix | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/ncurses/default.nix b/pkgs/development/libraries/ncurses/default.nix
index 46283e371aa..827a556a468 100644
--- a/pkgs/development/libraries/ncurses/default.nix
+++ b/pkgs/development/libraries/ncurses/default.nix
@@ -61,8 +61,6 @@ stdenv.mkDerivation rec {
            -e '/CPPFLAGS="$CPPFLAGS/s/ -D_XOPEN_SOURCE_EXTENDED//' \
         configure
     CFLAGS=-D_XOPEN_SOURCE_EXTENDED
-  '' + lib.optionalString stdenv.isCygwin ''
-    sed -i -e 's,LIB_SUFFIX="t,LIB_SUFFIX=",' configure
   '';
 
   enableParallelBuilding = true;
@@ -122,7 +120,7 @@ stdenv.mkDerivation rec {
     moveToOutput "bin/tset" "$out"
   '';
 
-  preFixup = ''
+  preFixup = lib.optionalString (!hostPlatform.isCygwin) ''
     rm "$out"/lib/*.a
   '';