x11-apps/xdm: Fix -Wincompatible-pointer-types warning from GCC 14

Although there is a merge request[0] but for some reason the changes
didn't land in 1.1.15[1]. It has been reported upstream[2].

[0]: https://gitlab.freedesktop.org/xorg/app/xdm/-/merge_requests/18
[1]: https://gitlab.freedesktop.org/xorg/app/xdm/-/blob/xdm-1.1.15/chooser/chooser.c?ref_type=tags#L229
[2]: https://gitlab.freedesktop.org/xorg/app/xdm/-/issues/16

Closes: https://bugs.gentoo.org/927712
Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com>

x11-apps/xdm/files/xdm-1.1.15-gcc14.patch

@@ -0,0 +1,35 @@
+https://gitlab.freedesktop.org/xorg/app/xdm/-/merge_requests/18
+From: Alan Coopersmith <alan.coopersmith@oracle.com>
+Date: Tue, 5 Dec 2023 17:25:28 -0800
+Subject: [PATCH] Fix -Wincompatible-pointer-types warning from gcc (issue #15)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+chooser.c:280:26: warning: passing argument 2 of ‘XawListChange’ from
+ incompatible pointer type [-Wincompatible-pointer-types]
+  280 |     XawListChange (list, newTable, size, 0, TRUE);
+      |                          ^~~~~~~~
+      |                          |
+      |                          char **
+In file included from chooser.c:59:
+/usr/include/X11/Xaw/List.h:170:27: note: expected ‘const char **’ but
+ argument is of type ‘char **’
+  170 |  _Xconst char           **list,
+
+Closes: #15
+Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
+--- a/chooser/chooser.c
++++ b/chooser/chooser.c
+@@ -226,7 +226,7 @@ RebuildTable (int size)
+ 	    newTable[i] = names->fullname;
+ 	qsort (newTable, size, sizeof (char *), HostnameCompare);
+     }
+-    XawListChange (list, (_Xconst char **) newTable, size, 0, TRUE);
++    XawListChange (list, newTable, size, 0, TRUE);
+     free (NameTable);
+     NameTable = newTable;
+     NameTableSize = size;
+-- 
+GitLab
+

x11-apps/xdm/xdm-1.1.15-r1.ebuild

@@ -0,0 +1,83 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+XORG_TARBALL_SUFFIX="xz"
+inherit xorg-3 pam systemd
+
+DEFAULTVT=vt7
+
+DESCRIPTION="X.Org xdm application"
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="pam systemd truetype xinerama xpm"
+
+RDEPEND="
+	x11-apps/sessreg
+	x11-apps/xconsole
+	x11-apps/xinit
+	x11-apps/xrdb
+	x11-apps/xsm
+	x11-libs/libX11
+	x11-libs/libXau
+	x11-libs/libXaw
+	x11-libs/libXdmcp
+	x11-libs/libXext
+	x11-libs/libXmu
+	x11-libs/libXt
+	virtual/libcrypt:=
+	pam? ( sys-libs/pam )
+	systemd? ( >=sys-apps/systemd-209:= )
+	truetype? (
+		x11-libs/libXrender
+		x11-libs/libXft
+	)
+	xinerama? ( x11-libs/libXinerama )
+	xpm? ( x11-libs/libXpm )
+	elibc_glibc? ( dev-libs/libbsd )"
+DEPEND="${RDEPEND}
+	x11-base/xorg-proto"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-1.1.15-gcc14.patch"
+)
+
+src_prepare() {
+	sed -i -e 's:^Alias=.*$:Alias=display-manager.service:' \
+		xdm.service.in || die
+
+	# Disable XDM-AUTHORIZATION-1 (bug #445662).
+	# it causes issue with libreoffice and SDL games (bug #306223).
+	sed -i -e '/authorize/a DisplayManager*authName:	MIT-MAGIC-COOKIE-1' \
+			config/xdm-config.in || die
+
+	xorg-3_src_prepare
+}
+
+src_configure() {
+	local XORG_CONFIGURE_OPTIONS=(
+		--enable-ipv6
+		$(use_with pam)
+		$(use_with systemd systemd-daemon)
+		$(use_with truetype xft)
+		$(use_with xinerama)
+		$(use_enable xpm xpm-logos)
+		--with-systemdsystemunitdir="$(systemd_get_systemunitdir)"
+		--with-default-vt=${DEFAULTVT}
+		--with-xdmconfigdir=/etc/X11/xdm
+	)
+	xorg-3_src_configure
+}
+
+src_install() {
+	xorg-3_src_install
+
+	exeinto /usr/$(get_libdir)/X11/xdm
+	doexe "${FILESDIR}"/Xsession
+
+	use pam && pamd_mimic system-local-login xdm auth account session
+
+	# Keep /var/lib/xdm. This is where authfiles are stored. See #286350.
+	keepdir /var/lib/xdm
+}