diff --git a/pkgs/applications/audio/aeolus/default.nix b/pkgs/applications/audio/aeolus/default.nix
index 68a9bb63e2e0..7b80b32331bc 100644
--- a/pkgs/applications/audio/aeolus/default.nix
+++ b/pkgs/applications/audio/aeolus/default.nix
@@ -4,11 +4,11 @@
 
 stdenv.mkDerivation rec {
   name = "aeolus-${version}";
-  version = "0.9.5";
+  version = "0.9.7";
 
   src = fetchurl {
     url = "https://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
-    sha256 = "0wfp8ihldyq2dhdyy7ld7z0zzfvnwam1dvbxnpd9d6xgc4k3j4nv";
+    sha256 = "0lhbr95hmbfj8ynbcpawn7jzjbpvrkm6k2yda39yhqk1bzg38v2k";
   };
 
   buildInputs = [
diff --git a/pkgs/applications/audio/tetraproc/default.nix b/pkgs/applications/audio/tetraproc/default.nix
index 535d53d99eeb..257963de256f 100644
--- a/pkgs/applications/audio/tetraproc/default.nix
+++ b/pkgs/applications/audio/tetraproc/default.nix
@@ -5,11 +5,11 @@
 
 stdenv.mkDerivation rec {
   name = "tetraproc-${version}";
-  version = "0.8.2";
+  version = "0.8.6";
 
   src = fetchurl {
     url = "https://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
-    sha256 = "17y3vbm5f6h5cmh3yfxjgqz4xhfwpkla3lqfspnbm4ndlzmfpykv";
+    sha256 = "02155ljfwgvfgq9z258fb4z7jrz7qx022d054fj5gr0v007cv0r7";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix b/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix
index e3c0f0394772..320fc41f76c5 100644
--- a/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix
+++ b/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix
@@ -2,16 +2,16 @@
 
 stdenv.mkDerivation rec {
   name = "zita-alsa-pcmi-${version}";
-  version = "0.2.0";
+  version = "0.3.2";
   src = fetchurl {
     url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
-    sha256 = "1rgv332g82rrrlm4vdam6p2pyrisxbi7b3izfaa0pcjglafsy7j9";
+    sha256 = "12d7vdg74yh21w69qi0wg57iz4876j94qbiq09bvscih6xz9y78s";
   };
 
   buildInputs = [ alsaLib ];
 
   buildPhase = ''
-    cd libs
+    cd source
     make PREFIX="$out"
 
     # create lib link for building apps
@@ -19,8 +19,8 @@ stdenv.mkDerivation rec {
 
     # apps
     cd ../apps
-    CXXFLAGS+=" -I../libs" \
-    LDFLAGS+=" -L../libs" \
+    CXXFLAGS+=" -I../source" \
+    LDFLAGS+=" -L../source" \
     make PREFIX="$out"
   '';
 
@@ -30,9 +30,9 @@ stdenv.mkDerivation rec {
     mkdir "$out/include"
     mkdir "$out/bin"
 
-    cd ../libs
+    cd ../source
 
-    # libs
+    # source
     install -Dm755 libzita-alsa-pcmi.so.$version \
       "$out/lib/libzita-alsa-pcmi.so.$version"
 
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
     install -Dm755 ../apps/alsa_delay \
       "$out/bin/alsa_delay"
     install -Dm755 ../apps/alsa_loopback \
-      "$out/bin/alsa_delay"
+      "$out/bin/alsa_loopback"
   '';
 
   meta = {
diff --git a/pkgs/development/libraries/audio/zita-convolver/default.nix b/pkgs/development/libraries/audio/zita-convolver/default.nix
index 11a06d4f39ac..4fc5c12ccc4c 100644
--- a/pkgs/development/libraries/audio/zita-convolver/default.nix
+++ b/pkgs/development/libraries/audio/zita-convolver/default.nix
@@ -2,16 +2,16 @@
 
 stdenv.mkDerivation rec {
   name = "zita-convolver-${version}";
-  version = "4.0.0";
+  version = "4.0.3";
   src = fetchurl {
     url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
-    sha256 = "0fx7f48ls0rlndqrmd4k7ifpnml39yxzc2f0n6xyysypgn06y673";
+    sha256 = "0prji66p86z2bzminywkwchr5bfgxcg2i8y803pydd1hzf2198cs";
   };
 
   buildInputs = [ fftwFloat ];
 
   patchPhase = ''
-    cd libs
+    cd source
     sed -e "s@ldconfig@@" -i Makefile
   '';
 
diff --git a/pkgs/development/libraries/audio/zita-resampler/default.nix b/pkgs/development/libraries/audio/zita-resampler/default.nix
index 00a0a5082137..e9cccab39f02 100644
--- a/pkgs/development/libraries/audio/zita-resampler/default.nix
+++ b/pkgs/development/libraries/audio/zita-resampler/default.nix
@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "zita-resampler-${version}";
-  version = "1.6.0";
+  version = "1.6.2";
   src = fetchurl {
     url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
-    sha256 = "1w48lp99jn4wh687cvbnbnjgaraqzkb4bgir16cp504x55v8v20h";
+    sha256 = "1my5k2dh2dkvjp6xjnf9qy6i7s28z13kw1n9pwa4a2cpwbzawfr3";
   };
 
   makeFlags = [
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   ];
 
   patchPhase = ''
-    cd libs
+    cd source
     sed -e "s@ldconfig@@" -i Makefile
   '';
 
diff --git a/pkgs/development/libraries/libclthreads/default.nix b/pkgs/development/libraries/libclthreads/default.nix
index 6d37eb19c712..a2f6858a05c9 100644
--- a/pkgs/development/libraries/libclthreads/default.nix
+++ b/pkgs/development/libraries/libclthreads/default.nix
@@ -2,20 +2,17 @@
 
 stdenv.mkDerivation rec {
   name = "libclthreads-${version}";
-  version = "2.4.0";
+  version = "2.4.2";
 
   src = fetchurl {
     url = "https://kokkinizita.linuxaudio.org/linuxaudio/downloads/clthreads-${version}.tar.bz2";
-    sha256 = "1s8xx99z6llv46cvkllmd72v2pkzbfl5gngcql85mf14mxkdb7x6";
+    sha256 = "0cbs1w89q8wfjrrhvxf6xk0y02nkjl5hd0yb692c8ma01i6b2nf6";
   };
 
   patchPhase = ''
-    # Fix hardcoded paths to executables
-    sed -e "s@/usr/bin/install@install@" -i ./Makefile
-    sed -e "s@/sbin/ldconfig@ldconfig@" -i ./Makefile
-
-    # Remove useless symlink: /lib64 -> /lib
-    sed -e '/ln -sf \$(CLTHREADS_MIN) \$(PREFIX)\/\$(LIBDIR)\/\$(CLTHREADS_SO)/d' -i ./Makefile
+    cd source
+    # don't run ldconfig:
+    sed -e "/ldconfig/d" -i ./Makefile
   '';
 
   makeFlags = [
@@ -24,12 +21,13 @@ stdenv.mkDerivation rec {
   ];
 
   preInstall = ''
-    # The Makefile does not create the include directory
+    # The Makefile does not create the include and lib directories
     mkdir -p $out/include
+    mkdir -p $out/lib
   '';
 
   postInstall = ''
-    ln -s $out/lib/libclthreads.so.${version} $out/lib/libclthreads.so
+    ln $out/lib/libclthreads.so $out/lib/libclthreads.so.2
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/libclxclient/default.nix b/pkgs/development/libraries/libclxclient/default.nix
index ce67a8efa80e..6e6ca647fc0f 100644
--- a/pkgs/development/libraries/libclxclient/default.nix
+++ b/pkgs/development/libraries/libclxclient/default.nix
@@ -1,20 +1,28 @@
-{ stdenv, fetchurl, libclthreads, libX11, libXft, xorg }:
+{ stdenv, fetchurl, libclthreads, libX11, libXft, xorg, pkgconfig }:
 
 stdenv.mkDerivation rec {
   name = "libclxclient-${version}";
-  version = "3.9.0";
+  version = "3.9.2";
 
   src = fetchurl {
     url = "https://kokkinizita.linuxaudio.org/linuxaudio/downloads/clxclient-${version}.tar.bz2";
-    sha256 = "14l7xrh964gllymraq4n5pgax94p5jsfjslqi5c6637zc4lmgnl0";
+    sha256 = "10bq6fy8d3pr1x2x3xx9qhf2hdxrwdgvg843a2y6lx70y1jfj0c5";
   };
 
   buildInputs = [ libclthreads libX11 libXft xorg.xproto ];
 
+  nativeBuildInputs = [ pkgconfig ];
+
   NIX_CFLAGS_COMPILE = "-I${xorg.xproto}/include -I${libXft.dev}/include";
 
   patchPhase = ''
-    sed -e "s@ldconfig@@" -i Makefile
+    cd source
+    # use pkg-config instead of pkgcon:
+    sed -e 's/pkgconf/pkg-config/g' -i ./Makefile
+    # don't run ldconfig:
+    sed -e "/ldconfig/d" -i ./Makefile
+    # make sure it can find clxclient.h:
+    sed -e 's/<clxclient.h>/"clxclient.h"/' -i ./enumip.cc
   '';
 
   makeFlags = [