desktop/weston: Added (Reference implementation of a Wayland).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

5 files changed, 490 insertions, 0 deletions

diff --git a/desktop/weston/README b/desktop/weston/README
new file mode 100644
index 0000000000..5c0ccf7dcc
--- /dev/null
+++ b/desktop/weston/README
@@ -0,0 +1,102 @@
+Weston:  reference implementation of a Wayland compositor.
+==========================================================
+
+This README is current as of Weston 7.0.0.
+
+Introduction
+------------
+
+Weston is the reference implementation of a Wayland compositor, as well
+as a useful environment in and of itself.
+
+Out of the box, Weston provides a very basic desktop, or a full-featured
+environment for non-desktop uses such as automotive, embedded,
+in-flight, industrial, kiosks, set-top boxes and TVs. It also provides a
+library allowing other projects to build their own full-featured
+environments on top of Weston's core.
+
+A small suite of example or demo clients are also provided: though they
+can be useful in themselves, their main purpose is to be an example or
+test case for others building compositors or clients.
+
+
+Slackware-specific Information
+------------------------------
+
+*****************************************
+IMPORTANT:  MANUAL INTERVENTION REQUIRED.
+*****************************************
+
+This SlackBuild of Weston takes a fairly "hands off" approach, and there
+are a few things users need to be aware of.
+
+Firstly, it is, by default, patched to remove the PAM dependency. This
+necessitates the elimination of the "-u" option of `weston-launch`, as
+PAM is required for that feature to function.
+
+To launch Weston, here are some required steps.
+
+1. You must add a group to your system called "weston-launch". You may
+do so, for instance, by running the following as root:
+
+	# groupadd weston-launch
+
+2. Add users to the "weston-launch" group that you would like to be able
+to run weston-launch:
+
+	# usermod -a -G weston-launch $USER
+
+3. The `weston-launch` must be setuid root. This comes with the standard
+warnings associated with doing so.
+
+	# chmod +s /usr/bin/weston-launch
+
+4. If you do not have another script exporting XDG_RUNTIME_DIR, you
+should enable the one that comes with this SlackBuild:
+
+	# chmod +x /etc/profile.d/weston.sh
+		(or .csh, depending on your shell)
+
+Once you've logged out and back in as a normal user that has been added to the
+"weston-launch" group from a virtual console,  you should be able to run
+`weston-launch` from that virtual console, and Weston will then launch and run
+directly in that console.
+
+You can use the Ctrl+Alt+Backspace keyboard combination to kill Weston.
+
+
+PAM
+---
+
+Ordinarily, PAM is a mandatory dependency for Weston. This SlackBuild of
+Weston is, by default, patched to remove that dependency. If you happen to
+have PAM installed on your system and would like to build Weston with PAM
+support, make sure the USE_PAM variable is set to "true" (nb: nothing else,
+such as "1", "yes", "on", etc. will work) before running the SlackBuild. 
+For example:
+
+	# USE_PAM=true ./weston.SlackBuild
+
+
+Optional Dependencies
+---------------------
+
+Above and beyond the hard dependencies listed in the .info file, Weston
+contains many optional dependencies. Kindly consult the documentation
+for a complete list.
+
+At the present time, the only optional dependency that this SlackBuild
+accounts for is colord, which is disabled by default. That is because
+colord pulls in many large dependencies, most of which are present on
+-current (at the time of writing) but not on 14.2, so disabling it seems
+like a sensible default on a balance of convenience.
+
+If you would like to enable colord functionality in this SlackBuild,
+set the USE_COLORD variable to "true" before running the SlackBuild.
+
+
+Known Issues
+------------
+
+I have not had success getting Weston to launch with the proprietary nvidia
+drivers in use. YMMV. I have had the best luck with the Intel KMS drivers.
diff --git a/desktop/weston/slack-desc b/desktop/weston/slack-desc
new file mode 100644
index 0000000000..e82ad04753
--- /dev/null
+++ b/desktop/weston/slack-desc
@@ -0,0 +1,19 @@
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+       |-----handy-ruler------------------------------------------------------|
+weston: weston (Reference implementation of a Wayland compositor)
+weston:
+weston: Weston is the reference implementation of a Wayland compositor, as
+weston: well as a useful environment in and of itself.
+weston: 
+weston: Out of the box, Weston provides a very basic desktop or a
+weston: full-featured environment for non-desktop users.
+weston: 
+weston: IMPORTANT: Please read README.Slackware before attempting to run.
+weston: 
+weston: Homepage: http://wayland.freedesktop.org/
diff --git a/desktop/weston/weston-7.0.0-nopam.patch b/desktop/weston/weston-7.0.0-nopam.patch
new file mode 100644
index 0000000000..8ad7b3639c
--- /dev/null
+++ b/desktop/weston/weston-7.0.0-nopam.patch
@@ -0,0 +1,160 @@
+diff -Naur weston-7.0.0.orig/libweston/meson.build weston-7.0.0/libweston/meson.build
+--- weston-7.0.0.orig/libweston/meson.build	2019-08-23 16:59:16.000000000 -0400
++++ weston-7.0.0/libweston/meson.build	2019-10-17 22:22:55.415927653 -0400
+@@ -199,16 +199,11 @@
+ )
+ 
+ if get_option('weston-launch')
+-	dep_pam = cc.find_library('pam')
+-
+-	if not cc.has_function('pam_open_session', dependencies: dep_pam)
+-		error('pam_open_session not found for weston-launch')
+-	endif
+ 
+ 	executable(
+ 		'weston-launch',
+ 		'weston-launch.c',
+-		dependencies: [dep_pam, systemd_dep, dep_libdrm],
++		dependencies: [systemd_dep, dep_libdrm],
+ 		include_directories: include_directories('..'),
+ 		install: true
+ 	)
+diff -Naur weston-7.0.0.orig/libweston/weston-launch.c weston-7.0.0/libweston/weston-launch.c
+--- weston-7.0.0.orig/libweston/weston-launch.c	2019-08-23 16:59:16.000000000 -0400
++++ weston-7.0.0/libweston/weston-launch.c	2019-10-17 22:52:18.991891665 -0400
+@@ -51,7 +51,6 @@
+ 
+ #include <pwd.h>
+ #include <grp.h>
+-#include <security/pam_appl.h>
+ 
+ #ifdef HAVE_SYSTEMD_LOGIN
+ #include <systemd/sd-login.h>
+@@ -100,8 +99,6 @@
+ #endif
+ 
+ struct weston_launch {
+-	struct pam_conv pc;
+-	pam_handle_t *ph;
+ 	int tty;
+ 	int ttynr;
+ 	int sock[2];
+@@ -193,47 +190,6 @@
+ }
+ 
+ static int
+-pam_conversation_fn(int msg_count,
+-		    const struct pam_message **messages,
+-		    struct pam_response **responses,
+-		    void *user_data)
+-{
+-	return PAM_SUCCESS;
+-}
+-
+-static int
+-setup_pam(struct weston_launch *wl)
+-{
+-	int err;
+-
+-	wl->pc.conv = pam_conversation_fn;
+-	wl->pc.appdata_ptr = wl;
+-
+-	err = pam_start("login", wl->pw->pw_name, &wl->pc, &wl->ph);
+-	if (err != PAM_SUCCESS) {
+-		fprintf(stderr, "failed to start pam transaction: %d: %s\n",
+-			err, pam_strerror(wl->ph, err));
+-		return -1;
+-	}
+-
+-	err = pam_set_item(wl->ph, PAM_TTY, ttyname(wl->tty));
+-	if (err != PAM_SUCCESS) {
+-		fprintf(stderr, "failed to set PAM_TTY item: %d: %s\n",
+-			err, pam_strerror(wl->ph, err));
+-		return -1;
+-	}
+-
+-	err = pam_open_session(wl->ph, 0);
+-	if (err != PAM_SUCCESS) {
+-		fprintf(stderr, "failed to open pam session: %d: %s\n",
+-			err, pam_strerror(wl->ph, err));
+-		return -1;
+-	}
+-
+-	return 0;
+-}
+-
+-static int
+ setup_launcher_socket(struct weston_launch *wl)
+ {
+ 	if (socketpair(AF_LOCAL, SOCK_SEQPACKET, 0, wl->sock) < 0) {
+@@ -431,14 +387,6 @@
+ 	close(wl->signalfd);
+ 	close(wl->sock[0]);
+ 
+-	if (wl->new_user) {
+-		err = pam_close_session(wl->ph, 0);
+-		if (err)
+-			fprintf(stderr, "pam_close_session failed: %d: %s\n",
+-				err, pam_strerror(wl->ph, err));
+-		pam_end(wl->ph, err);
+-	}
+-
+ 	if (ioctl(wl->tty, KDSKBMUTE, 0) &&
+ 	    ioctl(wl->tty, KDSKBMODE, wl->kb_mode))
+ 		fprintf(stderr, "failed to restore keyboard mode: %s\n",
+@@ -660,15 +608,6 @@
+ 	setenv("HOME", wl->pw->pw_dir, 1);
+ 	setenv("SHELL", wl->pw->pw_shell, 1);
+ 
+-	env = pam_getenvlist(wl->ph);
+-	if (env) {
+-		for (i = 0; env[i]; ++i) {
+-			if (putenv(env[i]) != 0)
+-				fprintf(stderr, "putenv %s failed\n", env[i]);
+-		}
+-		free(env);
+-	}
+-
+ 	/*
+ 	 * We open a new session, so it makes sense
+ 	 * to run a new login shell
+@@ -739,8 +678,6 @@
+ help(const char *name)
+ {
+ 	fprintf(stderr, "Usage: %s [args...] [-- [weston args..]]\n", name);
+-	fprintf(stderr, "  -u, --user      Start session as specified username,\n"
+-			"                  e.g. -u joe, requires root.\n");
+ 	fprintf(stderr, "  -t, --tty       Start session on alternative tty,\n"
+ 			"                  e.g. -t /dev/tty4, requires -u option.\n");
+ 	fprintf(stderr, "  -v, --verbose   Be verbose\n");
+@@ -754,7 +691,6 @@
+ 	int i, c;
+ 	char *tty = NULL;
+ 	struct option opts[] = {
+-		{ "user",    required_argument, NULL, 'u' },
+ 		{ "tty",     required_argument, NULL, 't' },
+ 		{ "verbose", no_argument,       NULL, 'v' },
+ 		{ "help",    no_argument,       NULL, 'h' },
+@@ -766,11 +702,7 @@
+ 	while ((c = getopt_long(argc, argv, "u:t:vh", opts, &i)) != -1) {
+ 		switch (c) {
+ 		case 'u':
+-			wl.new_user = optarg;
+-			if (getuid() != 0) {
+-				fprintf(stderr, "weston: Permission denied. -u allowed for root only\n");
+-				exit(EXIT_FAILURE);
+-			}
++			fprintf(stderr, "weston: -u is unsupported in this weston-launch build\n");
+ 			break;
+ 		case 't':
+ 			tty = optarg;
+@@ -822,9 +754,6 @@
+ 	if (setup_tty(&wl, tty) < 0)
+ 		exit(EXIT_FAILURE);
+ 
+-	if (wl.new_user && setup_pam(&wl) < 0)
+-		exit(EXIT_FAILURE);
+-
+ 	if (setup_launcher_socket(&wl) < 0)
+ 		exit(EXIT_FAILURE);
+ 
diff --git a/desktop/weston/weston.SlackBuild b/desktop/weston/weston.SlackBuild
new file mode 100644
index 0000000000..676942b4c4
--- /dev/null
+++ b/desktop/weston/weston.SlackBuild
@@ -0,0 +1,199 @@
+#!/bin/sh
+
+# Slackware build script for Weston
+
+# Copyright 2019 Logan Rathbone <poprocks@gmail.com>
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+PRGNAM=weston
+VERSION=${VERSION:-7.0.0}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
+cd $PRGNAM-$VERSION
+
+# If you have PAM installed on your system and would like to make use
+# of it, run this as USE_PAM=true ./weston.Slackbuild
+# otherwise, a patch will be applied to remove the PAM dependency.
+
+USE_PAM=${USE_PAM:-false}
+
+if [ "$USE_PAM" != 'true' ]; then
+    patch -p1 < $CWD/weston-7.0.0-nopam.patch
+fi
+
+# Make sure ownerships and permissions are sane:
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+# "./configure"
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+meson build/ \
+  --prefix=/usr \
+  --mandir=man \
+  --libdir=lib${LIBDIRSUFFIX} \
+  -Dlauncher-logind=false \
+  -Dbackend-rdp=false \
+  -Dsystemd=false \
+  -Dpipewire=false \
+  -Dsimple-dmabuf-drm=auto \
+  -Dcolor-management-colord=${USE_COLORD:-false}
+
+# "make"
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+ninja -C build
+
+# "make install"
+DESTDIR=$PKG ninja -C build/ install
+
+# strip
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+find $PKG/usr/man -type f -exec gzip -9 {} \;
+for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
+
+# Install /etc/profile.d scripts.
+mkdir -p $PKG/etc/profile.d/
+
+cat << 'EOF' > $PKG/etc/profile.d/${PRGNAM}.sh.new
+#!/bin/sh
+if test -z "${XDG_RUNTIME_DIR}"; then
+    export XDG_RUNTIME_DIR=/tmp/${UID}-runtime-dir
+    if ! test -d "${XDG_RUNTIME_DIR}"; then
+        mkdir "${XDG_RUNTIME_DIR}"
+        chmod 0700 "${XDG_RUNTIME_DIR}"
+    fi
+fi
+EOF
+
+cat << 'EOF' > $PKG/etc/profile.d/${PRGNAM}.csh.new
+#!/bin/csh
+if ( ! $?XDG_RUNTIME_DIR ) then
+    setenv XDG_RUNTIME_DIR /tmp/${uid}-runtime-dir
+    if ( ! -d $XDG_RUNTIME_DIR ) then
+        mkdir "${XDG_RUNTIME_DIR}"
+        chmod 0700 "${XDG_RUNTIME_DIR}"
+    endif
+endif
+EOF
+
+chmod 644 $PKG/etc/profile.d/${PRGNAM}*.new
+
+# setup doinst script...
+
+mkdir -p $PKG/install
+
+cat << 'EOF' > $PKG/install/doinst.sh
+config() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  # If there's no config file by that name, mv it over:
+  if [ ! -r $OLD ]; then
+    mv $NEW $OLD
+  elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
+    # toss the redundant copy
+    rm $NEW
+  fi
+  # Otherwise, we leave the .new copy for the admin to consider...
+}
+
+preserve_perms() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  if [ -e $OLD ]; then
+    cp -a $OLD ${NEW}.incoming
+    cat $NEW > ${NEW}.incoming
+    mv ${NEW}.incoming $NEW
+  fi
+
+  config $NEW
+}
+
+EOF
+
+# config-ify the profile.d stuff
+
+# FIXME - I tried many things to try to creatively preserve the perms
+# of weston-launch as well (ie, in case someone suid's it and wants to
+# keep it that way upon  upgrade), but this is really difficult if not
+# impossible to implement with Slackware's packaging system without
+# allowing for stray binaries (which would have been setuid by the
+# user) lingering around, which I'd really rather avoid, for safety.
+#
+# At this juncture, users will simply have to manually setuid-root the
+# binary upon each upgrade.
+
+cat << EOF >> $PKG/install/doinst.sh
+preserve_perms etc/profile.d/${PRGNAM}.sh.new
+preserve_perms etc/profile.d/${PRGNAM}.csh.new
+
+EOF
+
+# Install some documentation and finish up.
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a COPYING README.md CONTRIBUTING.md $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README.Slackware
+
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
diff --git a/desktop/weston/weston.info b/desktop/weston/weston.info
new file mode 100644
index 0000000000..1acf0ecd49
--- /dev/null
+++ b/desktop/weston/weston.info
@@ -0,0 +1,10 @@
+PRGNAM="weston"
+VERSION="7.0.0"
+HOMEPAGE="https://wayland.freedesktop.org/"
+DOWNLOAD="https://wayland.freedesktop.org/releases/weston-7.0.0.tar.xz"
+MD5SUM="cbfda483bc2501d0831af3f33c707850"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="meson libinput libwebp libxkbcommon wayland-egl wayland-protocols"
+MAINTAINER="Logan Rathbone"
+EMAIL="poprocks@gmail.com"