app-editors/emacs: Ebuilds for 23.4 and 24.5 copied from Gentoo repo

Signed-off-by: Ulrich Müller <ulm@gentoo.org>

4 files changed, 727 insertions, 17 deletions

diff --git a/app-editors/emacs/Manifest b/app-editors/emacs/Manifest
index ae8fb8c..2fc5ee1 100644
--- a/app-editors/emacs/Manifest
+++ b/app-editors/emacs/Manifest
@@ -1,5 +1,7 @@
 DIST emacs-23.4-patches-23.tar.xz 19932 BLAKE2B 941d939d1a66af162016eb7f4a34a3a6d19736ecbd06e2499ccb0bf8806b2b3583de324308698b00d0b47a3d0b8a046e5d5dcb2d681c2bba90ec40b58b4e9855 SHA512 83e2cef7ebe07fc69806d01946c6e96fa0e92b363e9c6531992593eeb29413518217fef05bba48729356af7d1326c3667748185aad971a625daccb803b2bfe58
+DIST emacs-23.4.tar.bz2 38646508 BLAKE2B 33dac5d27a63b7aab6b4053964a0ecf7f7939c7aea5af15103f2da7bd34fbb18dba7a1bf44cc4fcc2e3fb1439cdf7085d8dfc4b0005f5485748996e75ca6872d SHA512 def7a95ecaefae24d8102b96b1d575a23def1b11a8f0bb17b68f7913bd118e2ea4449a8feee76c1bd649f099b70419f0d494ddd9bb32b26f92720cda842b0296
 DIST emacs-24.3-patches-7.tar.xz 6484 BLAKE2B 42da9c01a6fc7fd44b9281f11e1aed9ccc7273533c6deeab54125cabad9ff25757c410f43e32f55e13fc0d5354688a4fdd7e5c05dd8a98e36d9cd1a87f414ce9 SHA512 6e3f6f053ad66e6d298b4fd904c57a6c2a03269ec53e9dfc56f834672a42c8f48eeb20a7ed1bcfb534eb62e0cca6e01b4a1663bebb046a0ce7325b732a378868
 DIST emacs-24.3.tar.xz 35565352 BLAKE2B 12474f0d4fb99449bb226834aabcaa15aa4e6c3cd6382786959636d53ea1c9a9662cb158cd6c88589e2760bd3030c3970c919fe35967a90830b77fce9e315df8 SHA512 a1300fa10a9fba2db9735db3d01382bcda89ceec033976c4622796dfdf6d2748ed5fa73edf229182b368190c8acbf706810dd5f344542d2c0d294154bc2d0ca9
 DIST emacs-24.4-patches-5.tar.xz 6000 BLAKE2B 5a36e15de2237e8c42bbc57038c301ad9548a24af08b072dcfd175f07950605804649c5c4c3fd3504a864bf314d6a742c588cad26b84a1c283de68e4adb139fd SHA512 0a337ad5b7601f5e453645d1fba99717328c6bc7a5505bcb4bd8e853179cf61be43eb6f3b9370edf0f44aa6485d4847c14554c1592ccc7da87b10dabaaa9d421
 DIST emacs-24.5-patches-5.tar.xz 14796 BLAKE2B 3e097f9cdf96a8b0255ce69770f79259ac9bdddbf5aa77c381973e4348d0900ee6dc6ed4af26021811afbb14eff84bc2a370bc8e803d112476554d03b074ce66 SHA512 fe9f9c19ff760e61dcbf1828d4e9e2806c141b47372bdd736be8237183660a28e2ef86a97034d060e244ff81540a2503a1b47655ef84222fddacb3a87f0f34ae
+DIST emacs-24.5.tar.xz 39759804 BLAKE2B aec253528038686822d1f8ed9a52dff276789ef7744053fc9b6176fceba4d4d8684fe979cf97e756b3feaf734d2377baef81f5efaa5450930a4e94d9f3bca355 SHA512 89dee4c3aadb6e505c523f84c65b5e40e5bf28a586cc8a4518a59581c22972f942bb6f3c772df0d5b2685c3e78247c545c6bb2576e981d1ef0f9298c18ad1677
diff --git a/app-editors/emacs/emacs-23.4-r21.ebuild b/app-editors/emacs/emacs-23.4-r21.ebuild
new file mode 100644
index 0000000..697eed5
--- /dev/null
+++ b/app-editors/emacs/emacs-23.4-r21.ebuild
@@ -0,0 +1,354 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+WANT_AUTOMAKE="none"
+
+inherit autotools elisp-common flag-o-matic readme.gentoo-r1 toolchain-funcs
+
+DESCRIPTION="The extensible, customizable, self-documenting real-time display editor"
+HOMEPAGE="https://www.gnu.org/software/emacs/"
+SRC_URI="mirror://gnu/emacs/${P}.tar.bz2
+	https://dev.gentoo.org/~ulm/emacs/${P}-patches-23.tar.xz"
+
+LICENSE="GPL-3+ FDL-1.3+ BSD HPND MIT W3C unicode PSF-2"
+SLOT="23"
+KEYWORDS="~alpha amd64 arm ~hppa ~ia64 ~mips ppc ppc64 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos"
+IUSE="alsa aqua athena dbus games gconf gif gpm gtk gui gzip-el jpeg kerberos livecd m17n-lib motif png sound source svg tiff toolkit-scroll-bars Xaw3d xft +xpm"
+
+RDEPEND="acct-group/mail
+	app-emacs/emacs-common[games?,gui(-)?]
+	net-libs/liblockfile
+	sys-libs/ncurses:0=
+	kerberos? ( virtual/krb5 )
+	alsa? ( media-libs/alsa-lib )
+	games? ( acct-group/gamestat )
+	gpm? ( sys-libs/gpm )
+	dbus? ( sys-apps/dbus )
+	gui? ( !aqua? (
+		x11-libs/libICE
+		x11-libs/libSM
+		x11-libs/libX11
+		x11-misc/xbitmaps
+		gconf? ( >=gnome-base/gconf-2.26.2 )
+		gif? ( media-libs/giflib:0= )
+		jpeg? ( media-libs/libjpeg-turbo:0= )
+		png? ( >=media-libs/libpng-1.4:0= )
+		svg? ( >=gnome-base/librsvg-2.0 )
+		tiff? ( media-libs/tiff:0 )
+		xpm? ( x11-libs/libXpm )
+		xft? (
+			media-libs/fontconfig
+			media-libs/freetype
+			x11-libs/libXft
+			x11-libs/libXrender
+			m17n-lib? (
+				>=dev-libs/libotf-0.9.4
+				>=dev-libs/m17n-lib-1.5.1
+			)
+		)
+		gtk? ( x11-libs/gtk+:2 )
+		!gtk? (
+			motif? (
+				>=x11-libs/motif-2.3:0
+				x11-libs/libXpm
+				x11-libs/libXext
+				x11-libs/libXmu
+				x11-libs/libXt
+			)
+			!motif? (
+				Xaw3d? (
+					x11-libs/libXaw3d
+					x11-libs/libXext
+					x11-libs/libXmu
+					x11-libs/libXt
+				)
+				!Xaw3d? ( athena? (
+					x11-libs/libXaw
+					x11-libs/libXext
+					x11-libs/libXmu
+					x11-libs/libXt
+				) )
+			)
+		)
+	) )"
+
+DEPEND="${RDEPEND}
+	gui? ( !aqua? ( x11-base/xorg-proto ) )"
+
+BDEPEND="virtual/pkgconfig
+	gzip-el? ( app-arch/gzip )"
+
+IDEPEND="app-eselect/eselect-emacs"
+
+RDEPEND+=" ${IDEPEND}"
+
+EMACS_SUFFIX="emacs-${SLOT}"
+SITEFILE="20${EMACS_SUFFIX}-gentoo.el"
+# FULL_VERSION keeps the full version number, which is needed in
+# order to determine some path information correctly for copy/move
+# operations later on
+FULL_VERSION="${PV%%_*}"
+S="${WORKDIR}/emacs-${FULL_VERSION}"
+PATCHES=("${WORKDIR}/patch")
+
+src_prepare() {
+	default
+
+	sed -i -e "/^\\.so/s/etags/&-${EMACS_SUFFIX}/" doc/man/ctags.1 \
+		|| die "unable to sed ctags.1"
+
+	if ! use alsa; then
+		# ALSA is detected even if not requested by its USE flag.
+		# Suppress it by supplying pkg-config with a wrong library name.
+		sed -i -e "/ALSA_MODULES=/s/alsa/DiSaBlEaLsA/" configure.in \
+			|| die "unable to sed configure.in"
+	fi
+	if ! use gzip-el; then
+		# Emacs' build system automatically detects the gzip binary and
+		# compresses el files. We don't want that so confuse it with a
+		# wrong binary name
+		sed -i -e "s/ gzip/ PrEvEnTcOmPrEsSiOn/" configure.in \
+			|| die "unable to sed configure.in"
+	fi
+
+	eautoreconf
+	touch src/stamp-h.in || die
+}
+
+src_configure() {
+	strip-flags
+	filter-flags -fstrict-aliasing -pie
+	append-flags $(test-flags -fno-strict-aliasing)
+	append-ldflags $(test-flags -no-pie)	#639568
+
+	if use ia64; then
+		replace-flags "-O[2-9]" -O1		#325373
+	else
+		replace-flags "-O[3-9]" -O2
+	fi
+
+	# Don't trigger a floating point exception for NaNs on alpha
+	use alpha && append-flags -mieee
+
+	local myconf
+
+	if use alsa && ! use sound; then
+		einfo "Although sound USE flag is disabled you chose to have alsa,"
+		einfo "so sound is switched on anyway."
+		myconf+=" --with-sound"
+	else
+		myconf+=" $(use_with sound)"
+	fi
+
+	if ! use gui; then
+		einfo "Configuring to build without window system support"
+		myconf+=" --without-x --without-ns"
+	elif use aqua; then
+		einfo "Configuring to build with Nextstep (Macintosh Cocoa) support"
+		myconf+=" --with-ns --disable-ns-self-contained"
+		myconf+=" --without-x"
+	else
+		myconf+=" --with-x --without-ns"
+		myconf+=" $(use_with gconf)"
+		myconf+=" $(use_with toolkit-scroll-bars)"
+		myconf+=" $(use_with gif)"
+		myconf+=" $(use_with jpeg)"
+		myconf+=" $(use_with png)"
+		myconf+=" $(use_with svg rsvg)"
+		myconf+=" $(use_with tiff)"
+		myconf+=" $(use_with xpm)"
+
+		if use xft; then
+			myconf+=" --with-xft"
+			myconf+=" $(use_with m17n-lib libotf)"
+			myconf+=" $(use_with m17n-lib m17n-flt)"
+		else
+			myconf+=" --without-xft"
+			myconf+=" --without-libotf --without-m17n-flt"
+			use m17n-lib && ewarn \
+				"USE flag \"m17n-lib\" has no effect if \"xft\" is not set."
+		fi
+
+		# GTK+ is the default toolkit if USE=gtk is chosen with other
+		# possibilities. Emacs upstream thinks this should be standard
+		# policy on all distributions
+		local f
+		if use gtk; then
+			einfo "Configuring to build with GIMP Toolkit (GTK+)"
+			myconf+=" --with-x-toolkit=gtk"
+			for f in motif Xaw3d athena; do
+				use ${f} && ewarn \
+					"USE flag \"${f}\" has no effect if \"gtk\" is set."
+			done
+		elif use motif; then
+			einfo "Configuring to build with Motif toolkit"
+			myconf+=" --with-x-toolkit=motif"
+			for f in Xaw3d athena; do
+				use ${f} && ewarn \
+					"USE flag \"${f}\" has no effect if \"motif\" is set."
+			done
+		elif use athena || use Xaw3d; then
+			einfo "Configuring to build with Athena/Lucid toolkit"
+			myconf+=" --with-x-toolkit=lucid $(use_with Xaw3d xaw3d)"
+		else
+			einfo "Configuring to build with no toolkit"
+			myconf+=" --with-x-toolkit=no"
+		fi
+	fi
+
+	# According to configure, this option is only used for GNU/Linux
+	# (x86_64 and s390). For Gentoo Prefix we have to explicitly spell
+	# out the location because $(get_libdir) does not necessarily return
+	# something that matches the host OS's libdir naming (e.g. RHEL).
+	local crtdir=$($(tc-getCC) -print-file-name=crt1.o)
+	crtdir=${crtdir%/*}
+
+	econf \
+		--program-suffix="-${EMACS_SUFFIX}" \
+		--infodir="${EPREFIX}"/usr/share/info/${EMACS_SUFFIX} \
+		--localstatedir="${EPREFIX}"/var \
+		--enable-locallisppath="${EPREFIX}/etc/emacs:${EPREFIX}${SITELISP}" \
+		--with-crt-dir="${crtdir}" \
+		--with-gameuser=":gamestat" \
+		--without-hesiod \
+		$(use_with kerberos) $(use_with kerberos kerberos5) \
+		$(use_with gpm) \
+		$(use_with dbus) \
+		${myconf}
+}
+
+src_compile() {
+	# Disable sandbox when dumping. For the unbelievers, see bug #131505
+	emake CC="$(tc-getCC)" \
+		AR="$(tc-getAR) cq" \
+		RANLIB="$(tc-getRANLIB)" \
+		RUN_TEMACS="SANDBOX_ON=0 LD_PRELOAD= env ./temacs"
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+
+	rm "${ED}"/usr/bin/emacs-${FULL_VERSION}-${EMACS_SUFFIX} \
+		|| die "removing duplicate emacs executable failed"
+	mv "${ED}"/usr/bin/emacs-${EMACS_SUFFIX} "${ED}"/usr/bin/${EMACS_SUFFIX} \
+		|| die "moving emacs executable failed"
+
+	# move man pages to the correct place
+	local m
+	mv "${ED}"/usr/share/man/man1/{emacs,${EMACS_SUFFIX}}.1 \
+		|| die "moving emacs man page failed"
+	for m in b2m ctags ebrowse emacsclient etags grep-changelog rcs-checkin; do
+		mv "${ED}"/usr/share/man/man1/${m}{,-${EMACS_SUFFIX}}.1 \
+			|| die "moving ${m} man page failed"
+	done
+
+	# move info dir to avoid collisions with the dir file generated by portage
+	mv "${ED}"/usr/share/info/${EMACS_SUFFIX}/dir{,.orig} \
+		|| die "moving info dir failed"
+	touch "${ED}"/usr/share/info/${EMACS_SUFFIX}/.keepinfodir
+	docompress -x /usr/share/info/${EMACS_SUFFIX}/dir.orig
+
+	# movemail must be setgid mail
+	fowners root:mail /usr/libexec/emacs/${FULL_VERSION}/${CHOST}/movemail
+	fperms 2751 /usr/libexec/emacs/${FULL_VERSION}/${CHOST}/movemail
+
+	# avoid collision between slots, see bug #169033 e.g.
+	rm "${ED}"/usr/share/emacs/site-lisp/subdirs.el || die
+	rm -rf "${ED}"/usr/share/{applications,icons} || die
+	rm -rf "${ED}"/var || die
+
+	# remove unused <version>/site-lisp dir
+	rm -rf "${ED}"/usr/share/emacs/${FULL_VERSION}/site-lisp || die
+
+	# remove COPYING file (except for etc/COPYING used by describe-copying)
+	rm "${ED}"/usr/share/emacs/${FULL_VERSION}/lisp/COPYING || die
+
+	local cdir
+	if use source; then
+		cdir="/usr/share/emacs/${FULL_VERSION}/src"
+		insinto "${cdir}"
+		# This is not meant to install all the source -- just the
+		# C source you might find via find-function
+		doins src/*.{c,h,m}
+		doins -r src/{m,s}
+		rm "${ED}"/usr/share/emacs/${FULL_VERSION}/src/Makefile.c || die
+		rm "${ED}"/usr/share/emacs/${FULL_VERSION}/src/{m,s}/README || die
+	elif has installsources ${FEATURES}; then
+		cdir="/usr/src/debug/${CATEGORY}/${PF}/${S#"${WORKDIR}/"}/src"
+	fi
+
+	sed -e "${cdir:+#}/^Y/d" -e "s/^[XY]//" >"${T}/${SITEFILE}" <<-EOF || die
+	X
+	;;; ${EMACS_SUFFIX} site-lisp configuration
+	X
+	(when (string-match "\\\\\`${FULL_VERSION//./\\\\.}\\\\>" emacs-version)
+	Y  (setq find-function-C-source-directory
+	Y	"${EPREFIX}${cdir}")
+	X  (let ((path (getenv "INFOPATH"))
+	X	(dir "${EPREFIX}/usr/share/info/${EMACS_SUFFIX}")
+	X	(re "\\\\\`${EPREFIX}/usr/share\\\\>"))
+	X    (and path
+	X	 ;; move Emacs Info dir before anything else in /usr/share
+	X	 (let* ((p (cons nil (split-string path ":" t))) (q p))
+	X	   (while (and (cdr q) (not (string-match re (cadr q))))
+	X	     (setq q (cdr q)))
+	X	   (setcdr q (cons dir (delete dir (cdr q))))
+	X	   (setq Info-directory-list (prune-directory-list (cdr p)))))))
+	EOF
+	elisp-site-file-install "${T}/${SITEFILE}" || die
+
+	dodoc README BUGS
+
+	if use gui && use aqua; then
+		dodir /Applications/Gentoo
+		rm -rf "${ED}"/Applications/Gentoo/${EMACS_SUFFIX^}.app || die
+		mv nextstep/Emacs.app \
+			"${ED}"/Applications/Gentoo/${EMACS_SUFFIX^}.app || die
+	fi
+
+	local DOC_CONTENTS="You can set the version to be started by
+		/usr/bin/emacs through the Emacs eselect module, which also
+		redirects man and info pages. Therefore, several Emacs versions can
+		be installed at the same time. \"man emacs.eselect\" for details.
+		\\n\\nIf you upgrade from a previous major version of Emacs, then
+		it is strongly recommended that you use app-admin/emacs-updater
+		to rebuild all byte-compiled elisp files of the installed Emacs
+		packages."
+	if use gui; then
+		DOC_CONTENTS+="\\n\\nYou need to install some fonts for Emacs.
+			Installing media-fonts/font-adobe-{75,100}dpi on the X server's
+			machine would satisfy basic Emacs requirements under X11.
+			See also https://wiki.gentoo.org/wiki/Xft_support_for_GNU_Emacs
+			for how to enable anti-aliased fonts."
+		use aqua && DOC_CONTENTS+="\\n\\n${EMACS_SUFFIX^}.app is in
+			\"${EPREFIX}/Applications/Gentoo\". You may want to copy or
+			symlink it into /Applications by yourself."
+	fi
+	readme.gentoo_create_doc
+}
+
+pkg_preinst() {
+	# move Info dir file to correct name
+	if [[ -d ${ED}/usr/share/info ]]; then
+		mv "${ED}"/usr/share/info/${EMACS_SUFFIX}/dir{.orig,} || die
+	fi
+}
+
+pkg_postinst() {
+	elisp-site-regen
+	readme.gentoo_print_elog
+
+	if use livecd; then
+		# force an update of the emacs symlink for the livecd/dvd,
+		# because some microemacs packages set it with USE=livecd
+		eselect emacs update
+	else
+		eselect emacs update ifunset
+	fi
+}
+
+pkg_postrm() {
+	elisp-site-regen
+	eselect emacs update ifunset
+}
diff --git a/app-editors/emacs/emacs-24.5-r11.ebuild b/app-editors/emacs/emacs-24.5-r11.ebuild
new file mode 100644
index 0000000..1ae3f49
--- /dev/null
+++ b/app-editors/emacs/emacs-24.5-r11.ebuild
@@ -0,0 +1,346 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools elisp-common flag-o-matic readme.gentoo-r1
+
+DESCRIPTION="The extensible, customizable, self-documenting real-time display editor"
+HOMEPAGE="https://www.gnu.org/software/emacs/"
+SRC_URI="mirror://gnu/emacs/${P}.tar.xz
+	https://dev.gentoo.org/~ulm/emacs/${P}-patches-5.tar.xz"
+
+LICENSE="GPL-3+ FDL-1.3+ BSD HPND MIT W3C unicode PSF-2"
+SLOT="24"
+KEYWORDS="~alpha amd64 arm ~hppa ~ia64 ~mips ppc ~ppc64 ~sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
+IUSE="acl alsa aqua athena dbus games gfile gif gpm gsettings gtk gui gzip-el imagemagick +inotify jpeg kerberos libxml2 livecd m17n-lib motif png selinux sound source ssl svg tiff toolkit-scroll-bars wide-int Xaw3d xft +xpm zlib"
+
+RDEPEND="acct-group/mail
+	app-emacs/emacs-common[games?,gui(-)?]
+	net-libs/liblockfile
+	sys-libs/ncurses:0=
+	acl? ( virtual/acl )
+	alsa? ( media-libs/alsa-lib )
+	dbus? ( sys-apps/dbus )
+	games? ( acct-group/gamestat )
+	gpm? ( sys-libs/gpm )
+	!inotify? ( gfile? ( >=dev-libs/glib-2.28.6 ) )
+	kerberos? ( virtual/krb5 )
+	libxml2? ( >=dev-libs/libxml2-2.2.0 )
+	selinux? ( sys-libs/libselinux )
+	ssl? ( net-libs/gnutls:0= )
+	zlib? ( sys-libs/zlib )
+	gui? ( !aqua? (
+		x11-libs/libICE
+		x11-libs/libSM
+		x11-libs/libX11
+		x11-libs/libXext
+		x11-libs/libXinerama
+		x11-libs/libXrandr
+		x11-misc/xbitmaps
+		gsettings? ( >=dev-libs/glib-2.28.6 )
+		gif? ( media-libs/giflib:0= )
+		jpeg? ( media-libs/libjpeg-turbo:0= )
+		png? ( >=media-libs/libpng-1.4:0= )
+		svg? ( >=gnome-base/librsvg-2.0 )
+		tiff? ( media-libs/tiff:0 )
+		xpm? ( x11-libs/libXpm )
+		imagemagick? ( >=media-gfx/imagemagick-6.6.2:0= )
+		xft? (
+			media-libs/fontconfig
+			media-libs/freetype
+			x11-libs/libXft
+			x11-libs/libXrender
+			m17n-lib? (
+				>=dev-libs/libotf-0.9.4
+				>=dev-libs/m17n-lib-1.5.1
+			)
+		)
+		gtk? ( x11-libs/gtk+:3 )
+		!gtk? (
+			motif? (
+				>=x11-libs/motif-2.3:0
+				x11-libs/libXpm
+				x11-libs/libXmu
+				x11-libs/libXt
+			)
+			!motif? (
+				Xaw3d? (
+					x11-libs/libXaw3d
+					x11-libs/libXmu
+					x11-libs/libXt
+				)
+				!Xaw3d? ( athena? (
+					x11-libs/libXaw
+					x11-libs/libXmu
+					x11-libs/libXt
+				) )
+			)
+		)
+	) )"
+
+DEPEND="${RDEPEND}
+	gui? ( !aqua? ( x11-base/xorg-proto ) )"
+
+BDEPEND="virtual/pkgconfig
+	gzip-el? ( app-arch/gzip )"
+
+IDEPEND="app-eselect/eselect-emacs"
+
+RDEPEND+=" ${IDEPEND}"
+
+EMACS_SUFFIX="emacs-${SLOT}"
+SITEFILE="20${EMACS_SUFFIX}-gentoo.el"
+# FULL_VERSION keeps the full version number, which is needed in
+# order to determine some path information correctly for copy/move
+# operations later on
+FULL_VERSION="${PV%%_*}"
+S="${WORKDIR}/emacs-${FULL_VERSION}"
+PATCHES=("${WORKDIR}/patch")
+
+src_prepare() {
+	default
+
+	# Fix filename reference in redirected man page
+	sed -i -e "/^\\.so/s/etags/&-${EMACS_SUFFIX}/" doc/man/ctags.1 \
+		|| die "unable to sed ctags.1"
+
+	AT_M4DIR=m4 eautoreconf
+	touch src/stamp-h.in || die
+}
+
+src_configure() {
+	strip-flags
+	filter-flags -pie					#526948
+	append-ldflags $(test-flags -no-pie)	#639570
+
+	if use ia64; then
+		replace-flags "-O[2-9]" -O1		#325373
+	else
+		replace-flags "-O[3-9]" -O2
+	fi
+
+	# Don't trigger a floating point exception for NaNs on alpha
+	use alpha && append-flags -mieee
+
+	local myconf
+
+	if use alsa; then
+		use sound || ewarn \
+			"USE flag \"alsa\" overrides \"-sound\"; enabling sound support."
+		myconf+=" --with-sound=alsa"
+	else
+		myconf+=" --with-sound=$(usex sound oss)"
+	fi
+
+	if ! use gui; then
+		einfo "Configuring to build without window system support"
+		myconf+=" --without-x --without-ns"
+	elif use aqua; then
+		einfo "Configuring to build with Nextstep (Macintosh Cocoa) support"
+		myconf+=" --with-ns --disable-ns-self-contained"
+		myconf+=" --without-x"
+	else
+		myconf+=" --with-x --without-ns"
+		myconf+=" --without-gconf"
+		myconf+=" $(use_with gsettings)"
+		myconf+=" $(use_with toolkit-scroll-bars)"
+		myconf+=" $(use_with gif)"
+		myconf+=" $(use_with jpeg)"
+		myconf+=" $(use_with png)"
+		myconf+=" $(use_with svg rsvg)"
+		myconf+=" $(use_with tiff)"
+		myconf+=" $(use_with xpm)"
+		myconf+=" $(use_with imagemagick)"
+
+		if use xft; then
+			myconf+=" --with-xft"
+			myconf+=" $(use_with m17n-lib libotf)"
+			myconf+=" $(use_with m17n-lib m17n-flt)"
+		else
+			myconf+=" --without-xft"
+			myconf+=" --without-libotf --without-m17n-flt"
+			use m17n-lib && ewarn \
+				"USE flag \"m17n-lib\" has no effect if \"xft\" is not set."
+		fi
+
+		local f line
+		if use gtk; then
+			einfo "Configuring to build with GIMP Toolkit (GTK+)"
+			while read line; do ewarn "${line}"; done <<-EOF
+				Your version of GTK+ will have problems with closing open
+				displays. This is no problem if you just use one display, but
+				if you use more than one and close one of them Emacs may crash.
+				See <https://gitlab.gnome.org/GNOME/gtk/-/issues/221> and
+				<https://gitlab.gnome.org/GNOME/gtk/-/issues/2315>.
+				If you intend to use more than one display, then it is strongly
+				recommended that you compile Emacs with the Athena/Lucid or the
+				Motif toolkit instead.
+			EOF
+			myconf+=" --with-x-toolkit=gtk3"
+			for f in motif Xaw3d athena; do
+				use ${f} && ewarn \
+					"USE flag \"${f}\" has no effect if \"gtk\" is set."
+			done
+		elif use motif; then
+			einfo "Configuring to build with Motif toolkit"
+			myconf+=" --with-x-toolkit=motif"
+			for f in Xaw3d athena; do
+				use ${f} && ewarn \
+					"USE flag \"${f}\" has no effect if \"motif\" is set."
+			done
+		elif use athena || use Xaw3d; then
+			einfo "Configuring to build with Athena/Lucid toolkit"
+			myconf+=" --with-x-toolkit=lucid $(use_with Xaw3d xaw3d)"
+		else
+			einfo "Configuring to build with no toolkit"
+			myconf+=" --with-x-toolkit=no"
+		fi
+	fi
+
+	econf \
+		--program-suffix="-${EMACS_SUFFIX}" \
+		--infodir="${EPREFIX}"/usr/share/info/${EMACS_SUFFIX} \
+		--localstatedir="${EPREFIX}"/var \
+		--enable-locallisppath="${EPREFIX}/etc/emacs:${EPREFIX}${SITELISP}" \
+		--with-gameuser=":gamestat" \
+		--without-compress-install \
+		--without-hesiod \
+		--with-file-notification=$(usev inotify || usev gfile || echo no) \
+		$(use_enable acl) \
+		$(use_with dbus) \
+		$(use_with gpm) \
+		$(use_with kerberos) $(use_with kerberos kerberos5) \
+		$(use_with libxml2 xml2) \
+		$(use_with selinux) \
+		$(use_with ssl gnutls) \
+		$(use_with wide-int) \
+		$(use_with zlib) \
+		${myconf}
+}
+
+src_compile() {
+	# Disable sandbox when dumping. For the unbelievers, see bug #131505
+	emake RUN_TEMACS="SANDBOX_ON=0 LD_PRELOAD= env ./temacs"
+}
+
+src_install() {
+	emake DESTDIR="${D}" NO_BIN_LINK=t BLESSMAIL_TARGET= install
+
+	mv "${ED}"/usr/bin/{emacs-${FULL_VERSION}-,}${EMACS_SUFFIX} \
+		|| die "moving emacs executable failed"
+	mv "${ED}"/usr/share/man/man1/{emacs-,}${EMACS_SUFFIX}.1 \
+		|| die "moving emacs man page failed"
+
+	# move info dir to avoid collisions with the dir file generated by portage
+	mv "${ED}"/usr/share/info/${EMACS_SUFFIX}/dir{,.orig} \
+		|| die "moving info dir failed"
+	touch "${ED}"/usr/share/info/${EMACS_SUFFIX}/.keepinfodir
+	docompress -x /usr/share/info/${EMACS_SUFFIX}/dir.orig
+
+	# movemail must be setgid mail
+	fowners root:mail /usr/libexec/emacs/${FULL_VERSION}/${CHOST}/movemail
+	fperms 2751 /usr/libexec/emacs/${FULL_VERSION}/${CHOST}/movemail
+
+	# avoid collision between slots, see bug #169033 e.g.
+	rm "${ED}"/usr/share/emacs/site-lisp/subdirs.el || die
+	rm -rf "${ED}"/usr/share/{applications,icons} || die
+	rm -rf "${ED}"/var || die
+
+	# remove unused <version>/site-lisp dir
+	rm -rf "${ED}"/usr/share/emacs/${FULL_VERSION}/site-lisp || die
+
+	# remove COPYING file (except for etc/COPYING used by describe-copying)
+	rm "${ED}"/usr/share/emacs/${FULL_VERSION}/lisp/COPYING || die
+
+	if use gzip-el; then
+		# compress .el files when a corresponding .elc exists
+		find "${ED}"/usr/share/emacs/${FULL_VERSION}/lisp -type f \
+			-name "*.elc" -print | sed 's/\.elc$/.el/' | xargs gzip -9n
+		assert "gzip .el failed"
+	fi
+
+	local cdir
+	if use source; then
+		cdir="/usr/share/emacs/${FULL_VERSION}/src"
+		insinto "${cdir}"
+		# This is not meant to install all the source -- just the
+		# C source you might find via find-function
+		doins src/*.{c,h,m}
+	elif has installsources ${FEATURES}; then
+		cdir="/usr/src/debug/${CATEGORY}/${PF}/${S#"${WORKDIR}/"}/src"
+	fi
+
+	sed -e "${cdir:+#}/^Y/d" -e "s/^[XY]//" >"${T}/${SITEFILE}" <<-EOF || die
+	X
+	;;; ${EMACS_SUFFIX} site-lisp configuration
+	X
+	(when (string-match "\\\\\`${FULL_VERSION//./\\\\.}\\\\>" emacs-version)
+	Y  (setq find-function-C-source-directory
+	Y	"${EPREFIX}${cdir}")
+	X  (let ((path (getenv "INFOPATH"))
+	X	(dir "${EPREFIX}/usr/share/info/${EMACS_SUFFIX}")
+	X	(re "\\\\\`${EPREFIX}/usr/share\\\\>"))
+	X    (and path
+	X	 ;; move Emacs Info dir before anything else in /usr/share
+	X	 (let* ((p (cons nil (split-string path ":" t))) (q p))
+	X	   (while (and (cdr q) (not (string-match re (cadr q))))
+	X	     (setq q (cdr q)))
+	X	   (setcdr q (cons dir (delete dir (cdr q))))
+	X	   (setq Info-directory-list (prune-directory-list (cdr p)))))))
+	EOF
+	elisp-site-file-install "${T}/${SITEFILE}" || die
+
+	dodoc README BUGS
+
+	if use gui && use aqua; then
+		dodir /Applications/Gentoo
+		rm -rf "${ED}"/Applications/Gentoo/${EMACS_SUFFIX^}.app || die
+		mv nextstep/Emacs.app \
+			"${ED}"/Applications/Gentoo/${EMACS_SUFFIX^}.app || die
+	fi
+
+	local DOC_CONTENTS="You can set the version to be started by
+		/usr/bin/emacs through the Emacs eselect module, which also
+		redirects man and info pages. Therefore, several Emacs versions can
+		be installed at the same time. \"man emacs.eselect\" for details.
+		\\n\\nIf you upgrade from Emacs version 24.2 or earlier, then it is
+		strongly recommended that you use app-admin/emacs-updater to rebuild
+		all byte-compiled elisp files of the installed Emacs packages."
+	if use gui; then
+		DOC_CONTENTS+="\\n\\nYou need to install some fonts for Emacs.
+			Installing media-fonts/font-adobe-{75,100}dpi on the X server's
+			machine would satisfy basic Emacs requirements under X11.
+			See also https://wiki.gentoo.org/wiki/Xft_support_for_GNU_Emacs
+			for how to enable anti-aliased fonts."
+		use aqua && DOC_CONTENTS+="\\n\\n${EMACS_SUFFIX^}.app is in
+			\"${EPREFIX}/Applications/Gentoo\". You may want to copy or
+			symlink it into /Applications by yourself."
+	fi
+	readme.gentoo_create_doc
+}
+
+pkg_preinst() {
+	# move Info dir file to correct name
+	if [[ -d ${ED}/usr/share/info ]]; then
+		mv "${ED}"/usr/share/info/${EMACS_SUFFIX}/dir{.orig,} || die
+	fi
+}
+
+pkg_postinst() {
+	elisp-site-regen
+	readme.gentoo_print_elog
+
+	if use livecd; then
+		# force an update of the emacs symlink for the livecd/dvd,
+		# because some microemacs packages set it with USE=livecd
+		eselect emacs update
+	else
+		eselect emacs update ifunset
+	fi
+}
+
+pkg_postrm() {
+	elisp-site-regen
+	eselect emacs update ifunset
+}
diff --git a/app-editors/emacs/metadata.xml b/app-editors/emacs/metadata.xml
index 3625f6f..098739b 100644
--- a/app-editors/emacs/metadata.xml
+++ b/app-editors/emacs/metadata.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-<maintainer type="project">
-  <email>gnu-emacs@gentoo.org</email>
-  <name>Gentoo GNU Emacs project</name>
-</maintainer>
-<longdescription>
+  <maintainer type="project">
+    <email>gnu-emacs@gentoo.org</email>
+    <name>Gentoo GNU Emacs project</name>
+  </maintainer>
+  <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:
@@ -18,25 +18,33 @@
      project planner, mail and news reader, debugger interface, calendar, and
      more. Many of these extensions are distributed with GNU Emacs; others are
      available separately.
-</longdescription>
-<use>
-  <flag name="athena">Enable the MIT Athena widget set
+  </longdescription>
+  <use>
+    <flag name="athena">Enable the MIT Athena widget set
     (<pkg>x11-libs/libXaw</pkg>)</flag>
-  <flag name="gsettings">Use gsettings (<pkg>dev-libs/glib</pkg>) to read the
+    <flag name="games">Support shared score files for games</flag>
+    <flag name="gconf">Use <pkg>gnome-base/gconf</pkg> to read the system
+    font name</flag>
+    <flag name="gfile">Use gfile (<pkg>dev-libs/glib</pkg>) for file
+    notification</flag>
+    <flag name="gsettings">Use gsettings (<pkg>dev-libs/glib</pkg>) to read the
     system font name</flag>
-  <flag name="gtk2">Prefer version 2 of the GIMP Toolkit to version 3
+    <flag name="gtk2">Prefer version 2 of the GIMP Toolkit to version 3
     (<pkg>x11-libs/gtk+</pkg>)</flag>
-  <flag name="gzip-el">Compress bundled Emacs Lisp source</flag>
-  <flag name="imagemagick">Use <pkg>media-gfx/imagemagick</pkg> for image
+    <flag name="gzip-el">Compress bundled Emacs Lisp source</flag>
+    <flag name="imagemagick">Use <pkg>media-gfx/imagemagick</pkg> for image
     processing</flag>
-  <flag name="libxml2">Use <pkg>dev-libs/libxml2</pkg> to parse XML instead
+    <flag name="libxml2">Use <pkg>dev-libs/libxml2</pkg> to parse XML instead
     of the internal Lisp implementations</flag>
-  <flag name="source">Install C source files and make them available for
+    <flag name="source">Install C source files and make them available for
     find-function</flag>
-  <flag name="toolkit-scroll-bars">Use the selected toolkit's scrollbars in
+    <flag name="toolkit-scroll-bars">Use the selected toolkit's scrollbars in
     preference to Emacs' own scrollbars</flag>
-  <flag name="wide-int">Prefer wide Emacs integers (typically 62-bit).
+    <flag name="wide-int">Prefer wide Emacs integers (typically 62-bit).
     This option has an effect only on architectures where "long" and
     "long long" types have different size.</flag>
-</use>
+  </use>
+  <upstream>
+    <remote-id type="savannah">emacs</remote-id>
+  </upstream>
 </pkgmetadata>