anchor.diff:      "--disable-gtk-doc"
       "--disable-gtk-doc-html"
       "--disable-gtk-doc-pdf"
  -    (enFlag "introspection" (gobject-introspection != null) null)
  +    "--enable-introspection"
       "--enable-manpages"
  -    (enFlag "vala" (vala != null) null)
  -    (enFlag "gcrypt" (libgcrypt != null) null)
  +    "--${boolEn (vala != null)}-vala"
  +    "--enable-gcrypt"
       "--disable-debug"
       "--disable-coverage"
  -    (wtFlag "libgcrypt-prefix" (libgcrypt != null) libgcrypt)
  +    "--with-libgcrypt-prefix=${libgcrypt}"
     ];
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "GObject library for the freedesktop.org Secret Service API";
       homepage = https://wiki.gnome.org/Projects/Libsecret;
       license = with licenses; [
  
positive.code: }:
  
  let
    inherit (stdenv.lib)
      enFlag
      wtFlag;
  
    versionMajor = "0.18";
    versionMinor = "5";
  
negative.code: , docbook-xsl
  , fetchurl
  , intltool
  , lib
  , libxslt
  
  , glib
  