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/sgml-common/postinstall.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+install-catalog --add /etc/sgml/sgml-ent.cat \
+    /usr/share/sgml/sgml-iso-entities-8879.1986/catalog >/dev/null 2>&1
+
+install-catalog --add /etc/sgml/sgml-docbook.cat \
+    /etc/sgml/sgml-ent.cat >/dev/null 2>&1

extra/sgml-common/postupdate.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+install-catalog --add /etc/sgml/sgml-ent.cat \
+    /usr/share/sgml/sgml-iso-entities-8879.1986/catalog >/dev/null 2>&1
+
+install-catalog --add /etc/sgml/sgml-docbook.cat \
+    /etc/sgml/sgml-ent.cat >/dev/null 2>&1

extra/sgml-common/preremove.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+install-catalog --remove /etc/sgml/sgml-ent.cat \
+    /usr/share/sgml/sgml-iso-entities-8879.1986/catalog >/dev/null 2>&1
+
+install-catalog --remove /etc/sgml/sgml-docbook.cat \
+    /etc/sgml/sgml-ent.cat >/dev/null 2>&1

extra/sgml-common/sgml-common-0.6.3-manpage-1.patch

@@ -0,0 +1,14 @@
+Submitted By: Thomas Pegg <lnxfreak123 at insightbb dot com>
+Date: 2003-11-18
+Initial Package Version: 0.6.3
+Origin: Thomas Pegg
+Description: Fixes syntax of Makefile.am for installation of man pages,
+for use with current automake versions 1.7.8 and higher.
+
+diff -Naur sgml-common-0.6.3.orig/doc/man/Makefile.am sgml-common-0.6.3/doc/man/Makefile.am
+--- sgml-common-0.6.3.orig/doc/man/Makefile.am	2001-01-30 14:42:22.000000000 +0000
++++ sgml-common-0.6.3/doc/man/Makefile.am	2003-11-18 16:48:47.000000000 +0000
+@@ -1,2 +1 @@
+-man8dir	  = $(mandir)/man8
+-man8_DATA = *.8
++man_MANS = install-catalog.8

extra/sgml-common/sgml-common.toml

@@ -0,0 +1,26 @@
+[build]
+type = "autotools"
+
+[build.flags]
+skip_tests = true
+make-install-vars = [ "docdir=/usr/share/doc" ]
+
+[dependencies]
+runtime = ["sh"]
+
+[[manual_sources]]
+files = [ "sgml-common-0.6.3-manpage-1.patch", "postinstall.sh", "postupdate.sh", "preremove.sh" ]
+
+[package]
+description = "Tools for maintaining centralized SGML catalogs."
+homepage = "https://www.docbook.org/xml/"
+license = "GPL-1.0-or-later"
+name = "sgml-common"
+version = "0.6.3"
+
+[[source]]
+extract_dir = "$name-$version"
+patches = ["sgml-common-0.6.3-manpage-1.patch"]
+post_extract = ["autoreconf -fiv"]
+sha256 = "7dc418c1d361123ffc5e45d61f1b97257940a8eb35d0bfbbc493381cc5b1f959"
+url = "https://www.sourceware.org/pub/docbook-tools/new-trials/SOURCES/sgml-common-$version.tgz"