* Bring back Emacs 22 by request from Ludovic.

svn path=/nixpkgs/trunk/; revision=18529

pkgs/applications/editors/emacs-22/builder.sh

@@ -0,0 +1,27 @@
+source $stdenv/setup
+
+preConfigure() {
+    libc=$(cat ${NIX_GCC}/nix-support/orig-libc)
+    echo "libc: $libc"
+
+    case "${system}" in
+	x86_64-*)	glibclibdir=lib64 ;;
+	*)		glibclibdir=lib ;;
+    esac
+
+    for i in src/s/*.h src/m/*.h; do
+        substituteInPlace $i \
+            --replace /usr/${glibclibdir}/crt1.o $libc/${glibclibdir}/crt1.o \
+            --replace /usr/${glibclibdir}/crti.o $libc/${glibclibdir}/crti.o \
+            --replace /usr/${glibclibdir}/crtn.o $libc/${glibclibdir}/crtn.o \
+            --replace /usr/lib/crt1.o $libc/${glibclibdir}/crt1.o \
+            --replace /usr/lib/crti.o $libc/${glibclibdir}/crti.o \
+            --replace /usr/lib/crtn.o $libc/${glibclibdir}/crtn.o
+    done
+
+    for i in Makefile.in ./src/Makefile.in ./lib-src/Makefile.in ./leim/Makefile.in; do
+        substituteInPlace $i --replace /bin/pwd pwd
+    done
+}
+
+genericBuild

pkgs/applications/editors/emacs-22/default.nix

@@ -0,0 +1,48 @@
+{ xawSupport ? true
+, xpmSupport ? true
+, xaw3dSupport ? false
+, gtkGUI ? false
+, stdenv, fetchurl, x11, libXaw ? null, libXpm ? null, Xaw3d ? null
+, pkgconfig ? null, gtk ? null
+, ncurses
+}:
+
+assert xawSupport && !xaw3dSupport -> libXaw != null;
+assert xawSupport && xaw3dSupport -> Xaw3d != null;
+assert xpmSupport -> libXpm != null;
+assert gtkGUI -> pkgconfig != null && gtk != null;
+
+stdenv.mkDerivation rec {
+  name = "emacs-22.3";
+
+  builder = ./builder.sh;
+  
+  src = fetchurl {
+    url = "mirror://gnu/emacs/${name}.tar.gz";
+    sha256 = "05hd89bchcpwzcx5la0alcp0wb7xywvnf98dxrshrqlfvccvgnbv";
+  };
+  
+  buildInputs = [ncurses x11]
+    ++ stdenv.lib.optional xawSupport (if xaw3dSupport then Xaw3d else libXaw)
+    ++ stdenv.lib.optional xpmSupport libXpm
+    ++ stdenv.lib.optionals gtkGUI [pkgconfig gtk];
+  
+  configureFlags =
+    stdenv.lib.optional gtkGUI "--with-x-toolkit=gtk";
+
+  meta = {
+    description = "GNU Emacs, *the* text editor";
+
+    longDescription = ''
+      GNU Emacs is an extensible, customizable text editor—and more.
+      At its core is an interpreter for Emacs Lisp, a dialect of the
+      Lisp programming language with extensions to support text
+      editing.
+    '';
+
+    homepage = http://www.gnu.org/software/emacs/;
+    license = "GPLv3+";
+
+    platforms = stdenv.lib.platforms.linux;  # GTK & co. are needed.
+  };
+}

pkgs/lib/attrsets.nix

@@ -22,6 +22,7 @@ rec {
       then attrByPath (tail attrPath) default (getAttr attr e)
       else default;
 
+      
   /* Return nested attribute set in which an attribute is set.  For instance
      ["x" "y"] applied with some value v returns `x.y = v;' */
   setAttrByPath = attrPath: value:

pkgs/top-level/all-packages.nix

@@ -6489,6 +6489,14 @@ let
 
   emacs = emacs23;
 
+  emacs22 = import ../applications/editors/emacs-22 {
+    inherit fetchurl stdenv ncurses pkgconfig x11 Xaw3d;
+    inherit (xlibs) libXaw libXpm;
+    inherit (gtkLibs) gtk;
+    xaw3dSupport = getPkgConfig "emacs" "xaw3dSupport" false;
+    gtkGUI = getPkgConfig "emacs" "gtkSupport" true;
+  };
+
   emacs23 = import ../applications/editors/emacs-23 {
     inherit fetchurl stdenv ncurses pkgconfig x11 Xaw3d
       libpng libjpeg libungif libtiff texinfo dbus;
@@ -6582,6 +6590,7 @@ let
     };
   });
 
+  emacs22Packages = emacsPackages emacs22;
   emacs23Packages = emacsPackages emacs23;
 
   evince = makeOverridable (import ../applications/misc/evince) {

pkgs/top-level/release.nix

@@ -146,6 +146,7 @@ in {
   e2fsprogs = linux;
   ejabberd = linux;
   elinks = linux;
+  emacs22 = gtkSupported;
   emacs23 = gtkSupported;
   enscript = all;
   eprover = linux;
@@ -435,13 +436,16 @@ in {
     tools = linux;
   };
 
-  emacs23Packages = {
+  emacs22Packages = {
     bbdb = linux;
     cedet = linux;
     ecb = linux;
     emacsw3m = linux;
     emms = linux;
     nxml = all;
+  };
+
+  emacs23Packages = emacs22Packages // {
     jdee = linux;
   };