pkgs/lib/strings.nix: add 'enableFeature' function to simplify generation of GNU Autoconf "--{enable,disable}-feature" strings

2013-02-24 19:28:24 +01:00 · 2013-02-24 19:28:24 +01:00 · 7181888c23
commit 7181888c23
parent 5f32207dfc
1 changed files with 5 additions and 0 deletions
--- a/pkgs/lib/strings.nix
+++ b/pkgs/lib/strings.nix
@ -171,4 +171,9 @@ rec {
  assert ! eqStrings name filename;
  name;

+
+  # Create an --{enable,disable}-<feat> string that can be passed to
+  # standard GNU Autoconf scripts.
+  enableFeature = enable: feat: "--${if enable then "enable" else "disable"}-${feat}";
+
 }