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-rw-r--r--nixpkgs/pkgs/applications/editors/emacs/generic.nix222
1 files changed, 222 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/editors/emacs/generic.nix b/nixpkgs/pkgs/applications/editors/emacs/generic.nix
new file mode 100644
index 000000000000..bcd55258a49d
--- /dev/null
+++ b/nixpkgs/pkgs/applications/editors/emacs/generic.nix
@@ -0,0 +1,222 @@
+{
+  version
+  , sha256
+  , versionModifier ? ""
+  , pname ? "emacs"
+  , name ? "emacs-${version}${versionModifier}"
+  , patches ? [ ]
+}:
+{ stdenv, lib, fetchurl, fetchpatch, ncurses, xlibsWrapper, libXaw, libXpm
+, Xaw3d, libXcursor,  pkg-config, gettext, libXft, dbus, libpng, libjpeg, giflib
+, libtiff, librsvg, gconf, libxml2, imagemagick, gnutls, libselinux
+, alsa-lib, cairo, acl, gpm, AppKit, GSS, ImageIO, m17n_lib, libotf
+, sigtool, jansson, harfbuzz
+, dontRecurseIntoAttrs ,emacsPackagesFor
+, libgccjit, targetPlatform, makeWrapper # native-comp params
+, systemd ? null
+, withX ? !stdenv.isDarwin
+, withNS ? stdenv.isDarwin
+, withGTK2 ? false, gtk2-x11 ? null
+, withGTK3 ? true, gtk3-x11 ? null, gsettings-desktop-schemas ? null
+, withXwidgets ? false, webkitgtk ? null, wrapGAppsHook ? null, glib-networking ? null
+, withMotif ? false, motif ? null
+, withCsrc ? true
+, srcRepo ? false, autoreconfHook ? null, texinfo ? null
+, siteStart ? ./site-start.el
+, nativeComp ? false
+, withImageMagick ? lib.versionOlder version "27" && (withX || withNS)
+, toolkit ? (
+  if withGTK2 then "gtk2"
+  else if withGTK3 then "gtk3"
+  else if withMotif then "motif"
+  else "lucid")
+}:
+
+assert (libXft != null) -> libpng != null;      # probably a bug
+assert stdenv.isDarwin -> libXaw != null;       # fails to link otherwise
+assert withNS -> !withX;
+assert withNS -> stdenv.isDarwin;
+assert (withGTK2 && !withNS) -> withX;
+assert (withGTK3 && !withNS) -> withX;
+assert withGTK2 -> !withGTK3 && gtk2-x11 != null;
+assert withGTK3 -> !withGTK2 && gtk3-x11 != null;
+assert withXwidgets -> withGTK3 && webkitgtk != null;
+
+
+let emacs = stdenv.mkDerivation (lib.optionalAttrs nativeComp {
+  NATIVE_FULL_AOT = "1";
+  LIBRARY_PATH = "${lib.getLib stdenv.cc.libc}/lib";
+} // {
+  inherit pname version;
+
+  patches = patches fetchpatch;
+
+  src = fetchurl {
+    url = "mirror://gnu/emacs/${name}.tar.xz";
+    inherit sha256;
+  };
+
+  enableParallelBuilding = true;
+
+  postPatch = lib.concatStringsSep "\n" [
+    (lib.optionalString srcRepo ''
+      rm -fr .git
+    '')
+
+    # Reduce closure size by cleaning the environment of the emacs dumper
+    ''
+      substituteInPlace src/Makefile.in \
+        --replace 'RUN_TEMACS = ./temacs' 'RUN_TEMACS = env -i ./temacs'
+    ''
+
+    ''
+    substituteInPlace lisp/international/mule-cmds.el \
+      --replace /usr/share/locale ${gettext}/share/locale
+
+    for makefile_in in $(find . -name Makefile.in -print); do
+      substituteInPlace $makefile_in --replace /bin/pwd pwd
+    done
+    ''
+
+    # Make native compilation work both inside and outside of nix build
+    (lib.optionalString nativeComp (let
+      backendPath = (lib.concatStringsSep " "
+        (builtins.map (x: ''\"-B${x}\"'') [
+          # Paths necessary so the JIT compiler finds its libraries:
+          "${lib.getLib libgccjit}/lib"
+          "${lib.getLib libgccjit}/lib/gcc"
+          "${lib.getLib stdenv.cc.libc}/lib"
+
+          # Executable paths necessary for compilation (ld, as):
+          "${lib.getBin stdenv.cc.cc}/bin"
+          "${lib.getBin stdenv.cc.bintools}/bin"
+          "${lib.getBin stdenv.cc.bintools.bintools}/bin"
+        ]));
+    in ''
+      substituteInPlace lisp/emacs-lisp/comp.el --replace \
+        "(defcustom native-comp-driver-options nil" \
+        "(defcustom native-comp-driver-options '(${backendPath})"
+    ''))
+    ""
+  ];
+
+  nativeBuildInputs = [ pkg-config makeWrapper ]
+    ++ lib.optionals srcRepo [ autoreconfHook texinfo ]
+    ++ lib.optional (withX && (withGTK3 || withXwidgets)) wrapGAppsHook;
+
+  buildInputs =
+    [ ncurses gconf libxml2 gnutls alsa-lib acl gpm gettext jansson harfbuzz.dev ]
+    ++ lib.optionals stdenv.isLinux [ dbus libselinux systemd ]
+    ++ lib.optionals withX
+      [ xlibsWrapper libXaw Xaw3d libXpm libpng libjpeg giflib libtiff libXft
+        gconf cairo ]
+    ++ lib.optionals (withX || withNS) [ librsvg ]
+    ++ lib.optionals withImageMagick [ imagemagick ]
+    ++ lib.optionals (stdenv.isLinux && withX) [ m17n_lib libotf ]
+    ++ lib.optional (withX && withGTK2) gtk2-x11
+    ++ lib.optionals (withX && withGTK3) [ gtk3-x11 gsettings-desktop-schemas ]
+    ++ lib.optional (withX && withMotif) motif
+    ++ lib.optionals (withX && withXwidgets) [ webkitgtk glib-networking ]
+    ++ lib.optionals withNS [ AppKit GSS ImageIO ]
+    ++ lib.optionals stdenv.isDarwin [ sigtool ]
+    ++ lib.optionals nativeComp [ libgccjit ];
+
+  hardeningDisable = [ "format" ];
+
+  configureFlags = [
+    "--disable-build-details" # for a (more) reproducible build
+    "--with-modules"
+  ] ++
+    (lib.optional stdenv.isDarwin
+      (lib.withFeature withNS "ns")) ++
+    (if withNS
+      then [ "--disable-ns-self-contained" ]
+    else if withX
+      then [ "--with-x-toolkit=${toolkit}" "--with-xft" "--with-cairo" ]
+      else [ "--with-x=no" "--with-xpm=no" "--with-jpeg=no" "--with-png=no"
+             "--with-gif=no" "--with-tiff=no" ])
+    ++ lib.optional withXwidgets "--with-xwidgets"
+    ++ lib.optional nativeComp "--with-native-compilation"
+    ++ lib.optional withImageMagick "--with-imagemagick"
+  ;
+
+  installTargets = [ "tags" "install" ];
+
+  postInstall = ''
+    mkdir -p $out/share/emacs/site-lisp
+    cp ${siteStart} $out/share/emacs/site-lisp/site-start.el
+
+    $out/bin/emacs --batch -f batch-byte-compile $out/share/emacs/site-lisp/site-start.el
+
+    siteVersionDir=`ls $out/share/emacs | grep -v site-lisp | head -n 1`
+
+    rm -r $out/share/emacs/$siteVersionDir/site-lisp
+  '' + lib.optionalString withCsrc ''
+    for srcdir in src lisp lwlib ; do
+      dstdir=$out/share/emacs/$siteVersionDir/$srcdir
+      mkdir -p $dstdir
+      find $srcdir -name "*.[chm]" -exec cp {} $dstdir \;
+      cp $srcdir/TAGS $dstdir
+      echo '((nil . ((tags-file-name . "TAGS"))))' > $dstdir/.dir-locals.el
+    done
+  '' + lib.optionalString withNS ''
+    mkdir -p $out/Applications
+    mv nextstep/Emacs.app $out/Applications
+  '' + lib.optionalString (nativeComp && withNS) ''
+    ln -snf $out/lib/emacs/*/native-lisp $out/Applications/Emacs.app/Contents/native-lisp
+  '' + lib.optionalString nativeComp ''
+    echo "Generating native-compiled trampolines..."
+    # precompile trampolines in parallel, but avoid spawning one process per trampoline.
+    # 1000 is a rough lower bound on the number of trampolines compiled.
+    $out/bin/emacs --batch --eval "(mapatoms (lambda (s) \
+      (when (subr-primitive-p (symbol-function s)) (print s))))" \
+      | xargs -n $((1000/NIX_BUILD_CORES + 1)) -P $NIX_BUILD_CORES \
+        $out/bin/emacs --batch -l comp --eval "(while argv \
+          (comp-trampoline-compile (intern (pop argv))))"
+    mkdir -p $out/share/emacs/native-lisp
+    $out/bin/emacs --batch \
+      --eval "(add-to-list 'native-comp-eln-load-path \"$out/share/emacs/native-lisp\")" \
+      -f batch-native-compile $out/share/emacs/site-lisp/site-start.el
+  '';
+
+  postFixup = lib.concatStringsSep "\n" [
+
+    (lib.optionalString (stdenv.isLinux && withX && toolkit == "lucid") ''
+      patchelf --set-rpath \
+        "$(patchelf --print-rpath "$out/bin/emacs"):${lib.makeLibraryPath [ libXcursor ]}" \
+        "$out/bin/emacs"
+      patchelf --add-needed "libXcursor.so.1" "$out/bin/emacs"
+    '')
+  ];
+
+  passthru = {
+    inherit nativeComp;
+    pkgs = dontRecurseIntoAttrs (emacsPackagesFor emacs);
+  };
+
+  meta = with lib; {
+    description = "The extensible, customizable GNU text editor";
+    homepage    = "https://www.gnu.org/software/emacs/";
+    license     = licenses.gpl3Plus;
+    maintainers = with maintainers; [ lovek323 peti jwiegley adisbladis ];
+    platforms   = platforms.all;
+
+    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.
+
+      The features of GNU Emacs include: content-sensitive editing modes,
+      including syntax coloring, for a wide variety of file types including
+      plain text, source code, and HTML; complete built-in documentation,
+      including a tutorial for new users; full Unicode support for nearly all
+      human languages and their scripts; highly customizable, using Emacs
+      Lisp code or a graphical interface; a large number of extensions that
+      add other functionality, including a project planner, mail and news
+      reader, debugger interface, calendar, and more.  Many of these
+      extensions are distributed with GNU Emacs; others are available
+      separately.
+    '';
+  };
+});
+in emacs