7 files changed, 7 insertions, 7 deletions
diff --git a/pkgs/development/libraries/gts/default.nix b/pkgs/development/libraries/gts/default.nix
index 7eb519a045c3a..7724bc5cc3ab2 100644
--- a/pkgs/development/libraries/gts/default.nix
+++ b/pkgs/development/libraries/gts/default.nix
@@ -23,6 +23,6 @@ stdenv.mkDerivation rec {
     '';
 
     maintainers = [ stdenv.lib.maintainers.viric ];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
 }
diff --git a/pkgs/development/libraries/harfbuzz/default.nix b/pkgs/development/libraries/harfbuzz/default.nix
index 1202ab5825d77..78e016c1582e3 100644
--- a/pkgs/development/libraries/harfbuzz/default.nix
+++ b/pkgs/development/libraries/harfbuzz/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation rec {
     description = "An OpenType text shaping engine";
     homepage = http://www.freedesktop.org/wiki/Software/HarfBuzz;
     maintainers = [ stdenv.lib.maintainers.eelco ];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
 }
diff --git a/pkgs/development/libraries/libiconv/default.nix b/pkgs/development/libraries/libiconv/default.nix
index 7562765a3ac3c..b286dcfcd1999 100644
--- a/pkgs/development/libraries/libiconv/default.nix
+++ b/pkgs/development/libraries/libiconv/default.nix
@@ -39,6 +39,6 @@ stdenv.mkDerivation rec {
     maintainers = [ ];
 
     # This library is not needed on GNU platforms.
-    platforms = [ "i686-cygwin" ];
+    hydraPlatforms = stdenv.lib.platforms.cygwin ++ stdenv.lib.platforms.darwin ++ stdenv.lib.platforms.freebsd;
   };
 }
diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index e25074f8d126d..c2012a4443947 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
     homepage = http://xmlsoft.org/;
     description = "An XML parsing library for C";
     license = "bsd";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
     maintainers = [ stdenv.lib.maintainers.eelco ];
   };
 }
diff --git a/pkgs/development/libraries/libxslt/default.nix b/pkgs/development/libraries/libxslt/default.nix
index ed56ffaff7366..e2568af6c9bce 100644
--- a/pkgs/development/libraries/libxslt/default.nix
+++ b/pkgs/development/libraries/libxslt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation (rec {
     homepage = http://xmlsoft.org/XSLT/;
     description = "A C library and tools to do XSL transformations";
     license = "bsd";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
     maintainers = [ stdenv.lib.maintainers.eelco ];
   };
 } // (if !stdenv.isFreeBSD then {} else {
diff --git a/pkgs/development/libraries/pango/default.nix b/pkgs/development/libraries/pango/default.nix
index 99bf8f10fd82f..ca1db13720648 100644
--- a/pkgs/development/libraries/pango/default.nix
+++ b/pkgs/development/libraries/pango/default.nix
@@ -36,6 +36,6 @@ stdenv.mkDerivation rec {
     license = "LGPLv2+";
 
     maintainers = with stdenv.lib.maintainers; [ raskin urkud ];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
 }
diff --git a/pkgs/development/libraries/sqlite/default.nix b/pkgs/development/libraries/sqlite/default.nix
index 7521abc599be1..de96ab58eaef4 100644
--- a/pkgs/development/libraries/sqlite/default.nix
+++ b/pkgs/development/libraries/sqlite/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.sqlite.org/;
     description = "A self-contained, serverless, zero-configuration, transactional SQL database engine";
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
   };
 }