Add Gambit Scheme compiler

svn path=/nixpkgs/trunk/; revision=22026

pkgs/development/compilers/gambit/default.nix

@@ -0,0 +1,28 @@
+x@{stdenv, fetchurl, builderDefsPackage, ...}:
+builderDefsPackage
+(a :  
+let 
+  s = import ./src-for-default.nix;
+  helperArgNames = ["stdenv" "fetchurl" "builderDefsPackage"] ++ [];
+  buildInputs = map (n: builtins.getAttr n x)
+    (builtins.attrNames (builtins.removeAttrs x helperArgNames));
+in
+rec {
+  src = a.fetchUrlFromSrcInfo s;
+
+  inherit (s) name;
+  inherit buildInputs;
+  configureFlags = ["--enable-shared"];
+
+  /* doConfigure should be removed if not needed */
+  phaseNames = ["doConfigure" "doMakeInstall"];
+      
+  meta = {
+    description = "Gambit Scheme to C compiler";
+    maintainers = [
+      a.lib.maintainers.raskin
+    ];
+    platforms = with a.lib.platforms;
+      linux ++ freebsd;
+  };
+}) x

pkgs/development/compilers/gambit/src-for-default.nix

@@ -0,0 +1,9 @@
+rec {
+   version="v4_6_0";
+   name="gambit-v4_6_0";
+   hash="1hnczygq25r6hi1l6lh1sd4g382j2z0ji5bdd01lhr4i07dcvipd";
+   url="http://www.iro.umontreal.ca/~gambit/download/gambit/v4.6/source/gambc-${version}-devel.tgz";
+   advertisedUrl="http://www.iro.umontreal.ca/~gambit/download/gambit/v4.6/source/gambc-v4_6_0-devel.tgz";
+  
+  
+}

pkgs/development/compilers/gambit/src-info-for-default.nix

@@ -0,0 +1,7 @@
+{
+  downloadPage = "http://dynamo.iro.umontreal.ca/~gambit/wiki/index.php/Main_Page";
+  baseName = "gambit";
+  sourceRegexp = "[.]tgz";
+  versionExtractorSedScript = ''s/.*-(v[_0-9]+)-devel[.].*/\1/'';
+  versionReferenceCreator = ''$(replaceAllVersionOccurences)'';
+}