fix spotify by using older libgcrypt

pkgs/development/libraries/libgcrypt/1.5.nix

@@ -0,0 +1,50 @@
+{ stdenv, fetchurl
+, libgpgerror
+
+# Optional Dependencies
+, libcap ? null
+}:
+
+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 ""}";
+  mkWith = mkFlag "with-" "without-";
+
+  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (x: x == stdenv.system) pkg.meta.platforms then pkg else null;
+
+  optLibcap = shouldUsePkg libcap;
+in
+stdenv.mkDerivation rec {
+  name = "libgcrypt-1.5.4";
+
+  src = fetchurl {
+    url = "mirror://gnupg/libgcrypt/${name}.tar.bz2";
+    sha256 = "0czvqxkzd5y872ipy6s010ifwdwv29sqbnqc4pf56sd486gqvy6m";
+  };
+
+  buildInputs = [ libgpgerror optLibcap ];
+
+  configureFlags = [
+    (mkWith   (optLibcap != null) "capabilities"  null)
+  ];
+
+  # Make sure libraries are correct for .pc and .la files
+  # Also make sure includes are fixed for callers who don't use libgpgcrypt-config
+  postInstall = ''
+    sed -i 's,#include <gpg-error.h>,#include "${libgpgerror}/include/gpg-error.h",g' $out/include/gcrypt.h
+  '' + stdenv.lib.optionalString (!stdenv.isDarwin && optLibcap != null) ''
+    sed -i 's,\(-lcap\),-L${optLibcap}/lib \1,' $out/lib/libgcrypt.la
+  '';
+
+  doCheck = true;
+
+  meta = with stdenv.lib; {
+    homepage = https://www.gnu.org/software/libgcrypt/;
+    description = "General-pupose cryptographic library";
+    license = licenses.lgpl2Plus;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ wkennington ];
+    repositories.git = git://git.gnupg.org/libgcrypt.git;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -6763,6 +6763,8 @@ let
     libcap = null;
   };
 
+  libgcrypt_1_5 = lowPrio (callPackage ../development/libraries/libgcrypt/1.5.nix { });
+
   libgdiplus = callPackage ../development/libraries/libgdiplus { };
 
   libgksu = callPackage ../development/libraries/libgksu { };
@@ -12384,6 +12386,7 @@ let
 
   spotify = callPackage ../applications/audio/spotify {
     inherit (gnome) GConf;
+    libgcrypt = libgcrypt_1_5;
     libpng = libpng12;
   };