diff --git a/pkgs/development/compilers/gcc/4.7/default.nix b/pkgs/development/compilers/gcc/4.7/default.nix
index 62a86751a712..6e8e5d86cc53 100644
--- a/pkgs/development/compilers/gcc/4.7/default.nix
+++ b/pkgs/development/compilers/gcc/4.7/default.nix
@@ -279,19 +279,25 @@ stdenv.mkDerivation ({
 
   configureFlagsArray = stdenv.lib.optionals
     (ppl != null && ppl ? dontDisableStatic && ppl.dontDisableStatic)
-        [ "--with-host-libstdcxx=-lstdc++ -lgcc_s" ];
+        [ "--with-host-libstdcxx=-lstdc++ -lgcc_s" ]; 
 
   # 'iant' at #go-nuts@freenode, gccgo maintainer, said that
   # they have a bug in 4.7.1 if adding "--disable-static"
   dontDisableStatic = langGo;
 
   configureFlags = "
+    ${if stdenv.isSunOS then
+      " --enable-long-long --enable-libssp --enable-threads=posix --disable-nls --enable-__cxa_atexit " +
+      # On Illumos/Solaris GNU as is preferred
+      " --with-gnu-as --with-gnu-ld "
+      else ""}
+    --enable-lto
     ${if enableMultilib then "" else "--disable-multilib"}
     ${if enableShared then "" else "--disable-shared"}
-    ${if enablePlugin then "--enable-plugin" else ""}
-    ${if ppl != null then "--with-ppl=${ppl}" else ""}
+    ${if enablePlugin then "--enable-plugin" else "--disable-plugin"}
+    ${if ppl != null then "--with-ppl=${ppl} --disable-ppl-version-check" else ""}
     ${if cloog != null then
-      "--with-cloog=${cloog} --enable-cloog-backend=isl"
+      "--with-cloog=${cloog} --disable-cloog-version-check --enable-cloog-backend=isl"
       else ""}
     ${if langJava then
       "--with-ecj-jar=${javaEcj} " +
@@ -406,7 +412,9 @@ stdenv.mkDerivation ({
   # Needed for the cross compilation to work
   AR = "ar";
   LD = "ld";
-  CC = "gcc";
+  # http://gcc.gnu.org/install/specific.html#x86-64-x-solaris210
+  CC = if stdenv.system == "x86_64-solaris" then "gcc -m64"
+       else "gcc";
 
   # Setting $CPATH and $LIBRARY_PATH to make sure both `gcc' and `xgcc' find
   # the library headers and binaries, regarless of the language being
@@ -496,6 +504,7 @@ stdenv.mkDerivation ({
   installTargets = "install-gcc install-target-libgcc";
 }
 
+
 # Strip kills static libs of other archs (hence cross != null)
 // optionalAttrs (!stripped || cross != null) { dontStrip = true; NIX_STRIP_DEBUG = 0; }
 )
diff --git a/pkgs/development/libraries/cloog/default.nix b/pkgs/development/libraries/cloog/default.nix
index ab5737b20ede..c3878ef4b789 100644
--- a/pkgs/development/libraries/cloog/default.nix
+++ b/pkgs/development/libraries/cloog/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, stdenv, gmp, isl }:
 
 stdenv.mkDerivation rec {
-  name = "cloog-0.16.3";
+  name = "cloog-0.18.0";
 
   src = fetchurl {
     url = "http://www.bastoul.net/cloog/pages/download/count.php3?url=./${name}.tar.gz";
-    sha256 = "0lzbsszfzsr0jfwkccfbsvx913d2yc45dqwa472plmxkhbwykmc9";
+    sha256 = "1c4aa8dde7886be9cbe0f9069c334843b21028f61d344a2d685f88cb1dcf2228";
   };
 
   buildInputs = [ gmp ];
diff --git a/pkgs/development/libraries/gettext/default.nix b/pkgs/development/libraries/gettext/default.nix
index 5468c9f2336d..113093a80678 100644
--- a/pkgs/development/libraries/gettext/default.nix
+++ b/pkgs/development/libraries/gettext/default.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation (rec {
 
   patches = [ ./no-gets.patch ];
 
+  LDFLAGS = if stdenv.isSunOS then "-lsec -lavl" else "";
+
   configureFlags = [ "--disable-csharp" ]
      ++ (stdenv.lib.optionals stdenv.isCygwin
           [ # We have a static libiconv, so we can only build the static lib.
diff --git a/pkgs/development/libraries/isl/default.nix b/pkgs/development/libraries/isl/default.nix
index aaec37eae8f2..9097df78de3f 100644
--- a/pkgs/development/libraries/isl/default.nix
+++ b/pkgs/development/libraries/isl/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, gmp }:
 
 stdenv.mkDerivation rec {
-  name = "isl-0.07"; # CLooG 0.16.3 fails to build with ISL 0.08.
+  name = "isl-0.11.1"; # CLooG 0.16.3 fails to build with ISL 0.08.
 
   src = fetchurl {
     urls = [
         "http://www.kotnet.org/~skimo/isl/${name}.tar.bz2"
         "ftp://ftp.linux.student.kuleuven.be/pub/people/skimo/isl/${name}.tar.bz2"
       ];
-    sha256 = "0kpxmvhrwwdygqqafqzjf9xiksq7paac2x24g9jhr3f9ajj3zkyx";
+    sha256 = "095f4b54c88ca13a80d2b025d9c551f89ea7ba6f6201d701960bfe5c1466a98d";
   };
 
   buildInputs = [ gmp ];
diff --git a/pkgs/development/libraries/mpc/default.nix b/pkgs/development/libraries/mpc/default.nix
index 3824e3d3755b..586658556db8 100644
--- a/pkgs/development/libraries/mpc/default.nix
+++ b/pkgs/development/libraries/mpc/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, stdenv, gmp, mpfr }:
 
 stdenv.mkDerivation rec {
-  name = "mpc-0.9";
+  name = "mpc-1.0.1";
 
   src = fetchurl {
     url = "http://www.multiprecision.org/mpc/download/${name}.tar.gz";
-    sha1 = "229722d553030734d49731844abfef7617b64f1a";
+    sha256 = "ed5a815cfea525dc778df0cb37468b9c1b554aaf30d9328b1431ca705b7400ff";
   };
 
   buildInputs = [ gmp mpfr ];
diff --git a/pkgs/development/libraries/mpfr/default.nix b/pkgs/development/libraries/mpfr/default.nix
index faa2e1b1a71e..802fd93f8cfc 100644
--- a/pkgs/development/libraries/mpfr/default.nix
+++ b/pkgs/development/libraries/mpfr/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl, gmp}:
 
 stdenv.mkDerivation (rec {
-  name = "mpfr-3.1.0";
+  name = "mpfr-3.1.1";
 
   src = fetchurl {
     url = "mirror://gnu/mpfr/${name}.tar.bz2";
-    sha256 = "105nx8qqx5x8f4rlplr2wk4cyv61iw5j3jgi2k21rpb8s6xbp9vl";
+    sha256 = "1zfmmk4p26b67qpmh787p3dfxa71yd9mi02c4q45yf687pqw6rkv";
   };
 
   buildInputs = [ gmp ];
@@ -39,7 +39,7 @@ stdenv.mkDerivation (rec {
 
 //
 
-(stdenv.lib.optionalAttrs stdenv.isFreeBSD {
+(stdenv.lib.optionalAttrs (stdenv.isSunOS or stdenv.isFreeBSD) {
    /* Work around a FreeBSD bug that otherwise leads to segfaults in
       the test suite:
         http://hydra.bordeaux.inria.fr/build/34862
diff --git a/pkgs/development/libraries/ppl/default.nix b/pkgs/development/libraries/ppl/default.nix
index b24b4e06cb94..0e1948b2fd0f 100644
--- a/pkgs/development/libraries/ppl/default.nix
+++ b/pkgs/development/libraries/ppl/default.nix
@@ -1,13 +1,13 @@
 { fetchurl, stdenv, gmpxx, perl, gnum4 }:
 
-let version = "0.11.2"; in
+let version = "1.0"; in
 
 stdenv.mkDerivation rec {
   name = "ppl-${version}";
 
   src = fetchurl {
     url = "http://bugseng.com/products/ppl/download/ftp/releases/${version}/ppl-${version}.tar.bz2";
-    sha256 = "1sxviip4yk6gp453pid5scy1ba66dzdpr02i1416yk7lkv0x3yz3";
+    sha256 = "c169e962b8a0f7b7bcde5c5e0e2235248f1d78b155dfad684591d1a57e330b54";
   };
 
   nativeBuildInputs = [ perl gnum4 ];
@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
 
   configureFlags = "--disable-watchdog";
 
+  patches = [ ./upstream-based.patch ];
+
   # Beware!  It took ~6 hours to compile PPL and run its tests on a 1.2 GHz
   # x86_64 box.  Nevertheless, being a dependency of GCC, it probably ought
   # to be tested.
@@ -40,7 +42,7 @@ stdenv.mkDerivation rec {
       version of the simplex algorithm.
     '';
 
-    homepage = http://www.cs.unipr.it/ppl/;
+    homepage = http://bugseng.com/products/ppl/;
 
     license = "GPLv3+";
 
diff --git a/pkgs/stdenv/default.nix b/pkgs/stdenv/default.nix
index ca90b46192e3..a2723f5575c0 100644
--- a/pkgs/stdenv/default.nix
+++ b/pkgs/stdenv/default.nix
@@ -62,5 +62,6 @@ rec {
     if stdenvType == "powerpc-linux" then /* stdenvLinux */ stdenvNative else
     if stdenvType == "i686-mingw" then stdenvMinGW else
     if stdenvType == "x86_64-darwin" then stdenvNix else
+    if stdenvType == "x86_64-solaris" then stdenvNix else
     stdenvNative;
 }
diff --git a/pkgs/stdenv/native/default.nix b/pkgs/stdenv/native/default.nix
index 524b2a53337b..f303e47fd5db 100644
--- a/pkgs/stdenv/native/default.nix
+++ b/pkgs/stdenv/native/default.nix
@@ -9,6 +9,7 @@ rec {
   path =
     (if system == "i686-solaris" then [ "/usr/gnu" ] else []) ++
     (if system == "i686-netbsd" then [ "/usr/pkg" ] else []) ++
+    (if system == "x86_64-solaris" then [ "/opt/local/gnu" ] else []) ++
     ["/" "/usr" "/usr/local"];
 
   prehookBase = ''
diff --git a/pkgs/tools/archivers/cpio/default.nix b/pkgs/tools/archivers/cpio/default.nix
index 1700f03d7bd8..525a64f9b821 100644
--- a/pkgs/tools/archivers/cpio/default.nix
+++ b/pkgs/tools/archivers/cpio/default.nix
@@ -4,8 +4,8 @@ stdenv.mkDerivation {
   name = "cpio-2.9";
   
   src = fetchurl {
-    url = mirror://gnu/cpio/cpio-2.9.tar.bz2;
-    sha256 = "01s7f9hg8kgpis96j99hgkiqgdy53pm7qi7bhm3fzx58jfk5z6mv";
+    url = mirror://gnu/cpio/cpio-2.11.tar.bz2;
+    sha256 = "bb820bfd96e74fc6ce43104f06fe733178517e7f5d1cdee553773e8eff7d5bbd";
   };
 
   patches = [
diff --git a/pkgs/tools/misc/coreutils/default.nix b/pkgs/tools/misc/coreutils/default.nix
index 733c4218d831..69892cbfd738 100644
--- a/pkgs/tools/misc/coreutils/default.nix
+++ b/pkgs/tools/misc/coreutils/default.nix
@@ -49,6 +49,7 @@ stdenv.mkDerivation (rec {
 
   enableParallelBuilding = true;
 
+  LDFLAGS = stdenv.lib.optionalString stdenv.isSunOS "-lmp -lmd -lnsl -lsocket -lresolv";
   NIX_LDFLAGS = stdenv.lib.optionalString selinuxSupport "-lsepol";
 
   meta = {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6d9d534c4128..224369520610 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1938,7 +1938,7 @@ let
 
   gambit = callPackage ../development/compilers/gambit { };
 
-  gcc = gcc46;
+  gcc = gcc47;
 
   gcc33 = wrapGCC (import ../development/compilers/gcc/3.3 {
     inherit fetchurl stdenv noSysDirs;
@@ -3761,7 +3761,7 @@ let
   # The GHC bootstrap binaries link against libgmp.so.3, which is in GMP 4.x.
   gmp4 = callPackage ../development/libraries/gmp/4.3.2.nix { };
 
-  gmp5 = callPackage ../development/libraries/gmp/5.0.5.nix { };
+  gmp5 = callPackage ../development/libraries/gmp/5.1.1.nix { };
 
   gmp51 = callPackage ../development/libraries/gmp/5.1.1.nix { };