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-rw-r--r--pkgs/development/libraries/ncurses/default.nix18
1 files changed, 3 insertions, 15 deletions
diff --git a/pkgs/development/libraries/ncurses/default.nix b/pkgs/development/libraries/ncurses/default.nix
index fd545e53625f..43fca875f58f 100644
--- a/pkgs/development/libraries/ncurses/default.nix
+++ b/pkgs/development/libraries/ncurses/default.nix
@@ -8,23 +8,11 @@
 , unicode ? true
 }:
 
+with stdenv.lib;
 let
-  mkFlag = trueStr: falseStr: cond: name: val:
-    if cond == null then null else
-      "--${if cond != false then trueStr else falseStr}${name}${if val != null && cond != false then "=${val}" else ""}";
-  mkEnable = mkFlag "enable-" "disable-";
-  mkWith = mkFlag "with-" "without-";
-  mkOther = mkFlag "" "" true;
-
-  shouldUsePkg = pkg_: let
-    pkg = (builtins.tryEval pkg_).value;
-  in if stdenv.lib.any (x: x == stdenv.system) (pkg.meta.platforms or [])
-    then pkg
-    else null;
-
   buildShared = !stdenv.isDarwin;
 
-  optGpm = shouldUsePkg gpm;
+  optGpm = stdenv.shouldUsePkg gpm;
 in
 stdenv.mkDerivation rec {
   name = "ncurses-5.9";
@@ -119,7 +107,7 @@ stdenv.mkDerivation rec {
     echo "INPUT(-lncurses)" > $out/lib/libcurses.so
   '';
 
-  meta = with stdenv.lib; {
+  meta = {
     description = "Free software emulation of curses in SVR4 and more";
 
     longDescription = ''