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/libyuv/libyuv-1864-posixify.patch

@@ -0,0 +1,37 @@
+diff --git a/CM_linux_packages.cmake b/CM_linux_packages.cmake
+index a073edfa..f047f048 100644
+--- a/CM_linux_packages.cmake
++++ b/CM_linux_packages.cmake
+@@ -1,9 +1,8 @@
+ # determine the version number from the #define in libyuv/version.h
+-EXECUTE_PROCESS (
+-	COMMAND grep --perl-regex --only-matching "(?<=LIBYUV_VERSION )[0-9]+" include/libyuv/version.h
+-	WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+-	OUTPUT_VARIABLE YUV_VERSION_NUMBER
+-	OUTPUT_STRIP_TRAILING_WHITESPACE )
++FILE(STRINGS "${PROJECT_SOURCE_DIR}/include/libyuv/version.h" YUV_VERSION_LINE
++	REGEX "^#define LIBYUV_VERSION [0-9]+$")
++STRING(REGEX REPLACE "^#define LIBYUV_VERSION ([0-9]+)$" "\\1"
++	YUV_VERSION_NUMBER "${YUV_VERSION_LINE}")
+ SET ( YUV_VER_MAJOR 0 )
+ SET ( YUV_VER_MINOR 0 )
+ SET ( YUV_VER_PATCH ${YUV_VERSION_NUMBER} )
+@@ -66,4 +65,3 @@ SET ( CPACK_GENERATOR						"DEB;RPM" )
+ 
+ # create the .deb and .rpm files (you'll need build-essential and rpm tools)
+ INCLUDE( CPack )
+-
+diff --git a/source/test.sh b/source/test.sh
+index 7f12c3c1..95fcce3f 100755
+--- a/source/test.sh
++++ b/source/test.sh
+@@ -1,7 +1,7 @@
+-#!/bin/bash
++#!/bin/sh
+ set -x
+ 
+-function runbenchmark1 {
++runbenchmark1() {
+   perf record /google/src/cloud/fbarchard/clean/google3/blaze-bin/third_party/libyuv/libyuv_test --gunit_filter=*$1 --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=1000 --libyuv_flags=-1 --libyuv_cpu_info=-1
+   perf report | grep AVX
+ }

extra/libyuv/libyuv.toml

@@ -0,0 +1,26 @@
+[build]
+type = "cmake"
+
+[build.flags]
+build_dir = "build"
+configure = [ "-G Ninja", "-DCMAKE_POLICY_VERSION_MINIMUM=3.5" ]
+
+[dependencies]
+runtime = [ "glibc", "libunwind", "libcxx", "libjpeg-turbo" ]
+build = [ "cmake", "ninja" ]
+
+[package]
+description = "Library for YUV scaling"
+homepage = "https://chromium.googlesource.com/libyuv/libyuv/"
+license = "BSD-3-Clause"
+name = "libyuv"
+version = "r2426+464c51a03"
+
+[[source]]
+extract_dir = "$name-$version"
+post_extract = ["sed -i 's|yuvconvert ${JPEG_LIBRARY}|${ly_lib_shared} ${JPEG_LIBRARY}|' CMakeLists.txt"]
+url = "https://chromium.googlesource.com/libyuv/libyuv#464c51a0353c71f08fe45f683d6a97a638d47833"
+patches = [ "libyuv-1864-posixify.patch" ]
+
+[[manual_sources]]
+file = "libyuv-1864-posixify.patch"