apr: Split into multiple outputs

This is important because apr stores a copy of libtool, which in turn
contains a reference to GCC.

pkgs/development/libraries/apr-util/default.nix

@@ -19,11 +19,13 @@ stdenv.mkDerivation rec {
   configureFlags = ''
     --with-apr=${apr} --with-expat=${expat}
     --with-crypto
-    ${stdenv.lib.optionalString sslSupport "--with-openssl=${openssl}"}
+    ${stdenv.lib.optionalString sslSupport "--with-openssl"}
     ${stdenv.lib.optionalString bdbSupport "--with-berkeley-db=${db4}"}
     ${stdenv.lib.optionalString ldapSupport "--with-ldap"}
   '';
 
+  buildInputs = stdenv.lib.optional sslSupport openssl;
+
   propagatedBuildInputs = stdenv.lib.optional ldapSupport openldap;
 
   enableParallelBuilding = true;

pkgs/development/libraries/apr/default.nix

@@ -14,6 +14,13 @@ stdenv.mkDerivation rec {
 
   patches = optionals stdenv.isDarwin [ ./darwin_fix_configure.patch ];
 
+  outputs = [ "dev" "out" ];
+
+  preConfigure =
+    ''
+      configureFlagsArray+=("--with-installbuilddir=$dev/share/build")
+    '';
+
   configureFlags =
     # Don't use accept4 because it's only supported on Linux >= 2.6.28.
     [ "apr_cv_accept4=no" ]
@@ -21,6 +28,15 @@ stdenv.mkDerivation rec {
     # Based on ftp://sourceware.org/pub/cygwin/release/libapr1/libapr1-1.3.8-2-src.tar.bz2
     ++ stdenv.lib.optional (stdenv.system == "i686-cygwin") "ac_cv_header_windows_h=no";
 
+  enableParallelBuilding = true;
+
+  postInstall =
+    ''
+      mkdir $dev/bin $dev/lib
+      mv $out/bin/apr-1-config $dev/bin
+      mv $out/lib/pkgconfig $dev/lib
+    '';
+
   meta = {
     homepage = http://apr.apache.org/;
     description = "The Apache Portable Runtime library";

pkgs/top-level/all-packages.nix

@@ -3544,7 +3544,9 @@ let
 
   amrwb = callPackage ../development/libraries/amrwb { };
 
-  apr = callPackage ../development/libraries/apr { };
+  apr = callPackage ../development/libraries/apr {
+    stdenv = stdenvMulti;
+  };
 
   aprutil = callPackage ../development/libraries/apr-util {
     bdbSupport = true;