Add various packages and patches for build system improvements

- Introduced valgrind with a patch to respect flags and updated its configuration.
- Added Vulkan ICD loader with CMake build configuration.
- Implemented Waf build system with a custom build script and configuration.
- Included Wayland protocols with Meson build system.
- Added xcb-util-keysyms with autotools configuration.
- Introduced Yasm with multiple patches for compatibility and improvements.
- Added Yelp tools and XSL with Meson build configurations and necessary patches for POSIX compliance.

extra/docbook-sgml/build.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+set -eu
+cd .
+
+DTDDIR="usr/share/sgml/docbook-sgml-4.5"
+
+sed -i \
+    -e '/ISO 8879/d' \
+    -e '/gml/d' \
+    docbook.cat
+
+cat >> docbook.cat <<'EOF'
+
+-- Begin Single Major Version catalog changes --
+
+PUBLIC "-//OASIS//DTD DocBook V4.4//EN" "docbook.dtd"
+PUBLIC "-//OASIS//DTD DocBook V4.3//EN" "docbook.dtd"
+PUBLIC "-//OASIS//DTD DocBook V4.2//EN" "docbook.dtd"
+PUBLIC "-//OASIS//DTD DocBook V4.1//EN" "docbook.dtd"
+PUBLIC "-//OASIS//DTD DocBook V4.0//EN" "docbook.dtd"
+
+-- End Single Major Version catalog changes --
+
+EOF
+
+install -dm755 "$DESTDIR/$DTDDIR"
+install -m644 docbook.cat "$DESTDIR/$DTDDIR/catalog"
+install -m644 ./*.dtd ./*.mod ./*.dcl "$DESTDIR/$DTDDIR"

extra/docbook-sgml/docbook-sgml.toml

@@ -0,0 +1,24 @@
+[build]
+type = "custom"
+
+[dependencies]
+runtime = ["sgml-common"]
+
+[package]
+description = "Document type definitions for verification of SGML data files against the DocBook rule set."
+homepage = "https://www.docbook.org/sgml/"
+license = "LicenseRef-docbook-sgml"
+name = "docbook-sgml"
+version = "4.5"
+
+[[source]]
+extract_dir = "$name-$version"
+sha256 = "8043e514e80c6c19cb146b5d37937d1305bf3abf9b0097c36df7f70f611cdf43"
+url = "https://archive.docbook.org/sgml/$version/docbook-$version.zip"
+
+[[manual_sources]]
+files = [
+  "postinstall.sh",
+  "postupdate.sh",
+  "preremove.sh",
+]

extra/docbook-sgml/postinstall.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+install-catalog --add /etc/sgml/sgml-docbook-dtd-4.5.cat \
+    /usr/share/sgml/docbook-sgml-4.5/catalog >/dev/null 2>&1
+
+install-catalog --add /etc/sgml/sgml-docbook-dtd-4.5.cat \
+    /etc/sgml/sgml-docbook.cat >/dev/null 2>&1

extra/docbook-sgml/postupdate.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+install-catalog --add /etc/sgml/sgml-docbook-dtd-4.5.cat \
+    /usr/share/sgml/docbook-sgml-4.5/catalog >/dev/null 2>&1
+
+install-catalog --add /etc/sgml/sgml-docbook-dtd-4.5.cat \
+    /etc/sgml/sgml-docbook.cat >/dev/null 2>&1

extra/docbook-sgml/preremove.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+install-catalog --remove /etc/sgml/sgml-docbook-dtd-4.5.cat \
+    /usr/share/sgml/docbook-sgml-4.5/catalog >/dev/null 2>&1
+
+install-catalog --remove /etc/sgml/sgml-docbook-dtd-4.5.cat \
+    /etc/sgml/sgml-docbook.cat >/dev/null 2>&1