diff --git a/pkgs/development/tools/documentation/doxygen/default.nix b/pkgs/development/tools/documentation/doxygen/default.nix
index 78669dfdce7a..82bbab5ff87e 100644
--- a/pkgs/development/tools/documentation/doxygen/default.nix
+++ b/pkgs/development/tools/documentation/doxygen/default.nix
@@ -20,12 +20,14 @@ stdenv.mkDerivation {
   buildInputs =
     [ perl python flex bison ]
     ++ stdenv.lib.optional (qt4 != null) qt4
+    ++ stdenv.lib.optional stdenv.isSunOS libiconv
     ++ stdenv.lib.optionals stdenv.isDarwin [ CoreServices libiconv ];
 
   prefixKey = "--prefix ";
 
   configureFlags =
     [ "--dot dot" ]
+    ++ stdenv.lib.optional stdenv.isSunOS "--install install"
     ++ stdenv.lib.optional (qt4 != null) "--with-doxywizard";
 
   preConfigure =