diff --git a/pkgs/development/libraries/gpgme/default.nix b/pkgs/development/libraries/gpgme/default.nix
index 9dba035d15f2..2f1411a0bdaa 100644
--- a/pkgs/development/libraries/gpgme/default.nix
+++ b/pkgs/development/libraries/gpgme/default.nix
@@ -1,5 +1,15 @@
-{ stdenv, fetchurl, libgpgerror, gnupg, pkgconfig, glib, pth, libassuan }:
+{ stdenv, fetchurl, libgpgerror, gnupg, pkgconfig, glib, pth, libassuan
+, useGnupg1 ? false, gnupg1 ? null }:
 
+assert useGnupg1 -> gnupg1 != null;
+assert !useGnupg1 -> gnupg != null;
+
+let
+  gpgPath = if useGnupg1 then
+    "${gnupg1}/bin/gpg"
+  else
+    "${gnupg}/bin/gpg2";
+in
 stdenv.mkDerivation rec {
   name = "gpgme-1.3.1";
   
@@ -8,10 +18,9 @@ stdenv.mkDerivation rec {
     sha256 = "1m7l7nicn6gd952cgspv9xr8whqivbg33nbg8kbpj3dffnl2gvqm";
   };
   
-  propagatedBuildInputs = [ libgpgerror glib libassuan ]
-    ++ stdenv.lib.optional pth.supported pth;
+  propagatedBuildInputs = [ libgpgerror glib libassuan pth ];
 
   buildNativeInputs = [ pkgconfig ];
 
-  configureFlags = "--with-gpg=${gnupg}/bin/gpg2";
+  configureFlags = "--with-gpg=${gpgPath}";
 }
diff --git a/pkgs/development/libraries/libassuan/default.nix b/pkgs/development/libraries/libassuan/default.nix
index 619ef4d97fb4..f93a44c2e1d1 100644
--- a/pkgs/development/libraries/libassuan/default.nix
+++ b/pkgs/development/libraries/libassuan/default.nix
@@ -8,8 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "06xckkvxxlx7cj77803m8x58gxksap4k8yhspc5cqsy7fhinimds";
   };
 
-  propagatedBuildInputs = [ libgpgerror ]
-    ++ stdenv.lib.optional pth.supported pth;
+  propagatedBuildInputs = [ libgpgerror pth ];
 
   doCheck = true;
 
diff --git a/pkgs/development/libraries/pth/default.nix b/pkgs/development/libraries/pth/default.nix
index cd20af5bb07b..b7b09caed9b3 100644
--- a/pkgs/development/libraries/pth/default.nix
+++ b/pkgs/development/libraries/pth/default.nix
@@ -8,9 +8,9 @@ stdenv.mkDerivation rec {
     sha256 = "0ckjqw5kz5m30srqi87idj7xhpw6bpki43mj07bazjm2qmh3cdbj";
   };
 
-  passthru = {
-    supported = ! stdenv.isArm;
-  };
+  preConfigure = stdenv.lib.optionalString stdenv.isArm ''
+    configureFlagsArray=("CFLAGS=-DJB_SP=8 -DJB_PC=9")
+  '';
 
   meta = {
     description = "The GNU Portable Threads library";
diff --git a/pkgs/tools/security/gnupg/default.nix b/pkgs/tools/security/gnupg/default.nix
index 8b528e15c059..ba680cb8ba43 100644
--- a/pkgs/tools/security/gnupg/default.nix
+++ b/pkgs/tools/security/gnupg/default.nix
@@ -20,8 +20,7 @@ stdenv.mkDerivation rec {
     sha256 = "08n636sfffs5qvg9ppiprvsh00q0dmdw425psg3m3nssja53m8pg";
   };
 
-  buildInputs = [ readline zlib libgpgerror libgcrypt libassuan libksba ]
-    ++ stdenv.lib.optional pth.supported pth
+  buildInputs = [ readline zlib libgpgerror libgcrypt libassuan libksba pth ]
     ++ stdenv.lib.optional useLdap openldap
     ++ stdenv.lib.optional useBzip2 bzip2
     ++ stdenv.lib.optional useUsb libusb
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index bc1841805575..abe8cdf67bd9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3839,7 +3839,9 @@ let
   gnutls_without_guile = gnutls.override { guileBindings = false; };
   gnutls2_without_guile = gnutls2.override { guileBindings = false; };
 
-  gpgme = callPackage ../development/libraries/gpgme { };
+  gpgme = callPackage ../development/libraries/gpgme {
+    gnupg1 = gnupg1orig;
+  };
 
   grantlee = callPackage ../development/libraries/grantlee { };