diff --git a/pkgs/development/libraries/clutter-gst/default.nix b/pkgs/development/libraries/clutter-gst/default.nix
index 3c88327c790b..2db4f6bf1ab8 100644
--- a/pkgs/development/libraries/clutter-gst/default.nix
+++ b/pkgs/development/libraries/clutter-gst/default.nix
@@ -1,13 +1,13 @@
 { fetchurl, stdenv, pkgconfig, clutter, gtk3, glib, cogl, gnome3, gdk-pixbuf }:
 
-let
+stdenv.mkDerivation rec {
   pname = "clutter-gst";
   version = "3.0.27";
-in stdenv.mkDerivation rec {
-  name = "${pname}-${version}";
+
+  outputs = [ "out" "dev" ];
 
   src = fetchurl {
-    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
+    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
     sha256 = "17czmpl92dzi4h3rn5rishk015yi3jwiw29zv8qan94xcmnbssgy";
   };
 
diff --git a/pkgs/development/libraries/gtkd/default.nix b/pkgs/development/libraries/gtkd/default.nix
index 0b2df597be57..2cad4a19a0f3 100644
--- a/pkgs/development/libraries/gtkd/default.nix
+++ b/pkgs/development/libraries/gtkd/default.nix
@@ -7,6 +7,8 @@ in stdenv.mkDerivation rec {
   pname = "gtkd";
   version = "3.9.0";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchzip {
     url = "https://gtkd.org/Downloads/sources/GtkD-${version}.zip";
     sha256 = "12kc4s5gp6gn456d8pzhww1ggi9qbxldmcpp6855297g2x8xxy5p";
@@ -118,6 +120,15 @@ in stdenv.mkDerivation rec {
     "PKG_CONFIG=${pkgconfig}/bin/pkg-config"
   ];
 
+  # The .pc files does not declare an `includedir=`, so the multiple
+  # outputs setup hook misses this.
+  postFixup = ''
+    for pc in $dev/lib/pkgconfig/*; do
+      substituteInPlace $pc \
+        --replace "$out/include" "$dev/include"
+    done
+  '';
+
   meta = with stdenv.lib; {
     description = "D binding and OO wrapper for GTK";
     homepage = https://gtkd.org;
diff --git a/pkgs/development/libraries/libappindicator/default.nix b/pkgs/development/libraries/libappindicator/default.nix
index e9fccaf28abf..d09684a04438 100644
--- a/pkgs/development/libraries/libappindicator/default.nix
+++ b/pkgs/development/libraries/libappindicator/default.nix
@@ -19,6 +19,8 @@ stdenv.mkDerivation rec {
   versionMajor = "12.10";
   versionMinor = "0";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchurl {
     url = "${meta.homepage}/${versionMajor}/${version}/+download/libappindicator-${version}.tar.gz";
     sha256 = "17xlqd60v0zllrxp8bgq3k5a1jkj0svkqn8rzllcyjh8k0gpr46m";
diff --git a/pkgs/development/libraries/libgnomekbd/default.nix b/pkgs/development/libraries/libgnomekbd/default.nix
index 21523bf2e1a5..f35f3f87fbeb 100644
--- a/pkgs/development/libraries/libgnomekbd/default.nix
+++ b/pkgs/development/libraries/libgnomekbd/default.nix
@@ -4,6 +4,8 @@ stdenv.mkDerivation rec {
   pname = "libgnomekbd";
   version = "3.26.1";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
     sha256 = "0y962ykn3rr9gylj0pwpww7bi20lmhvsw6qvxs5bisbn2mih5jpp";
diff --git a/pkgs/development/libraries/libnotify/default.nix b/pkgs/development/libraries/libnotify/default.nix
index 59039aadb895..f51383833417 100644
--- a/pkgs/development/libraries/libnotify/default.nix
+++ b/pkgs/development/libraries/libnotify/default.nix
@@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
   pname = "libnotify";
   version = "0.7.8";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
     sha256 = "1371csx0n92g60b5dmai4mmzdnx8081mc3kcgc6a0xipcq5rw839";
diff --git a/pkgs/development/libraries/liboauth/default.nix b/pkgs/development/libraries/liboauth/default.nix
index ea792b007bae..46e3e65ff80b 100644
--- a/pkgs/development/libraries/liboauth/default.nix
+++ b/pkgs/development/libraries/liboauth/default.nix
@@ -9,6 +9,8 @@ stdenv.mkDerivation rec {
     sha256 = "07w1aq8y8wld43wmbk2q8134p3bfkp2vma78mmsfgw2jn1bh3xhd";
   };
 
+  outputs = [ "out" "dev" ];
+
   nativeBuildInputs = [ pkgconfig ];
 
   propagatedBuildInputs = [ nss nspr ];
diff --git a/pkgs/development/libraries/libpeas/default.nix b/pkgs/development/libraries/libpeas/default.nix
index cdb1b95935f4..a4632924a93a 100644
--- a/pkgs/development/libraries/libpeas/default.nix
+++ b/pkgs/development/libraries/libpeas/default.nix
@@ -6,6 +6,8 @@ stdenv.mkDerivation rec {
   pname = "libpeas";
   version = "1.24.0";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
     sha256 = "1yg6r0srz3knhgvplprl3pikrq5c02dmdxgfwcynd6hjih9h16hb";