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.

core/elfutils/build.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+set -eu
+
+depot_build() {
+    export CFLAGS="${CFLAGS:+$CFLAGS } -D_GNU_SOURCE -Wno-error -Wno-null-dereference -ffat-lto-objects -g"
+
+    mkdir -p build
+    cd build
+
+    ../configure \
+        --prefix=/usr \
+        --sysconfdir=/etc \
+        --mandir=/usr/share/man \
+        --localstatedir=/var \
+        --disable-werror \
+        --program-prefix=eu- \
+        --enable-deterministic-archives \
+        --disable-nls \
+        --disable-libdebuginfod \
+        --disable-debuginfod \
+        --with-zstd
+
+    make
+}
+
+depot_install_elfutils() {
+    make DESTDIR="$DESTDIR" install
+    haul libelf usr/lib/libelf*
+    haul libelf usr/lib/libdw*
+    haul libelf usr/lib/pkgconfig/libelf.pc
+    haul libelf usr/lib/pkgconfig/libdw.pc
+    haul libelf usr/include/libelf.h
+    haul libelf usr/include/gelf.h
+    haul libelf usr/include/nlist.h
+    haul libelf usr/include/dwarf.h
+    haul libelf usr/include/elfutils
+}
+
+depot_install_libelf() {
+true
+}