vcpkg/linux: Avoid dependency on libsystemd/liblzma

libsystemd which is required by dbus has an optional dependency on liblzma and since we don't need it we can just strip it out of dbus

dependencies/vcpkg_overlay_ports_linux/dbus/cmake.dep.patch

@@ -0,0 +1,15 @@
+diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
+index 8cde1ffe0..d4d09f223 100644
+--- a/tools/CMakeLists.txt	
++++ b/tools/CMakeLists.txt
+@@ -91,7 +91,9 @@ endif()
+ add_executable(dbus-launch ${dbus_launch_SOURCES})
+ target_link_libraries(dbus-launch ${DBUS_LIBRARIES})
+ if(DBUS_BUILD_X11)
+-    target_link_libraries(dbus-launch ${X11_LIBRARIES} )
++    find_package(Threads REQUIRED)
++    target_link_libraries(dbus-launch ${X11_LIBRARIES} ${X11_xcb_LIB} ${X11_Xau_LIB} ${X11_Xdmcp_LIB} Threads::Threads)
++    target_include_directories(dbus-launch PRIVATE ${X11_INCLUDE_DIR})
+ endif()
+ install(TARGETS dbus-launch ${INSTALL_TARGETS_DEFAULT_ARGS})
+

dependencies/vcpkg_overlay_ports_linux/dbus/getpeereid.patch

@@ -0,0 +1,26 @@
+diff --git a/cmake/ConfigureChecks.cmake b/cmake/ConfigureChecks.cmake
+index b7f3702..e2336ba 100644
+--- a/cmake/ConfigureChecks.cmake
++++ b/cmake/ConfigureChecks.cmake
+@@ -51,6 +51,7 @@ check_symbol_exists(closefrom    "unistd.h"         HAVE_CLOSEFROM)          #
+ check_symbol_exists(environ      "unistd.h"                  HAVE_DECL_ENVIRON)
+ check_symbol_exists(fstatfs      "sys/vfs.h"                 HAVE_FSTATFS)
+ check_symbol_exists(getgrouplist "grp.h"            HAVE_GETGROUPLIST)       #  dbus-sysdeps.c
++check_symbol_exists(getpeereid   "sys/types.h;unistd.h" HAVE_GETPEEREID)     #  dbus-sysdeps.c,
+ check_symbol_exists(getpeerucred "ucred.h"          HAVE_GETPEERUCRED)       #  dbus-sysdeps.c, dbus-sysdeps-win.c
+ check_symbol_exists(getpwnam_r   "errno.h;pwd.h"    HAVE_GETPWNAM_R)         #  dbus-sysdeps-util-unix.c
+ check_symbol_exists(getrandom    "sys/random.h"             HAVE_GETRANDOM)
+diff --git a/cmake/config.h.cmake b/cmake/config.h.cmake
+index 77fc19c..2f25643 100644
+--- a/cmake/config.h.cmake
++++ b/cmake/config.h.cmake
+@@ -140,6 +140,9 @@
+ /* Define to 1 if you have getgrouplist */
+ #cmakedefine   HAVE_GETGROUPLIST 1
+
++/* Define to 1 if you have getpeereid */
++#cmakedefine   HAVE_GETPEEREID 1
++
+ /* Define to 1 if you have getpeerucred */
+ #cmakedefine   HAVE_GETPEERUCRED 1
+

dependencies/vcpkg_overlay_ports_linux/dbus/libsystemd.patch

@@ -0,0 +1,15 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d3ec71b..932066a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -141,6 +141,10 @@ if(DBUS_LINUX)
+     if(ENABLE_SYSTEMD AND SYSTEMD_FOUND)
+         set(DBUS_BUS_ENABLE_SYSTEMD ON)
+         set(HAVE_SYSTEMD ${SYSTEMD_FOUND})
++        pkg_check_modules(SYSTEMD libsystemd IMPORTED_TARGET)
++        set(SYSTEMD_LIBRARIES PkgConfig::SYSTEMD CACHE INTERNAL "")
++    else()
++        set(SYSTEMD_LIBRARIES "" CACHE INTERNAL "")
+     endif()
+     option(ENABLE_USER_SESSION "enable user-session semantics for session bus under systemd" OFF)
+     set(DBUS_ENABLE_USER_SESSION ${ENABLE_USER_SESSION})

dependencies/vcpkg_overlay_ports_linux/dbus/pkgconfig.patch

@@ -0,0 +1,21 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index caef738..b878f42 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -724,11 +724,11 @@ add_custom_target(help-options
+ #
+ if(DBUS_ENABLE_PKGCONFIG)
+     set(PLATFORM_LIBS pthread ${LIBRT})
+-    if(PKG_CONFIG_FOUND)
+-        # convert lists of link libraries into -lstdc++ -lm etc..
+-        foreach(LIB ${CMAKE_C_IMPLICIT_LINK_LIBRARIES} ${PLATFORM_LIBS})
+-            set(LIBDBUS_LIBS "${LIBDBUS_LIBS} -l${LIB}")
+-        endforeach()
++    if(1)
++        set(LIBDBUS_LIBS "${CMAKE_THREAD_LIBS_INIT}")
++        if(LIBRT)
++            string(APPEND LIBDBUS_LIBS " -lrt")
++        endif()
+         set(original_prefix "${CMAKE_INSTALL_PREFIX}")
+         if(DBUS_RELOCATABLE)
+             set(pkgconfig_prefix "\${pcfiledir}/../..")

dependencies/vcpkg_overlay_ports_linux/dbus/portfile.cmake

@@ -0,0 +1,88 @@
+vcpkg_check_linkage(ONLY_DYNAMIC_LIBRARY)
+
+vcpkg_from_gitlab(
+    GITLAB_URL https://gitlab.freedesktop.org/
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO dbus/dbus
+    REF "dbus-${VERSION}"
+    SHA512 8e476b408514e6540c36beb84e8025827c22cda8958b6eb74d22b99c64765eb3cd5a6502aea546e3e5f0534039857b37edee89c659acef40e7cab0939947d4af
+    HEAD_REF master
+    PATCHES 
+        cmake.dep.patch
+        pkgconfig.patch
+        getpeereid.patch # missing check from configure.ac
+        libsystemd.patch
+) 
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS options
+    FEATURES
+        systemd ENABLE_SYSTEMD
+        x11     DBUS_BUILD_X11
+        x11     CMAKE_REQUIRE_FIND_PACKAGE_X11
+)
+
+unset(ENV{DBUSDIR})
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DDBUS_BUILD_TESTS=OFF
+        -DDBUS_ENABLE_DOXYGEN_DOCS=OFF
+        -DDBUS_ENABLE_XML_DOCS=OFF
+        -DDBUS_INSTALL_SYSTEM_LIBS=OFF
+        #-DDBUS_SERVICE=ON
+        -DDBUS_WITH_GLIB=OFF
+        -DTHREADS_PREFER_PTHREAD_FLAG=ON
+        -DXSLTPROC_EXECUTABLE=FALSE
+        "-DCMAKE_INSTALL_SYSCONFDIR=${CURRENT_PACKAGES_DIR}/etc/${PORT}"
+        "-DWITH_SYSTEMD_SYSTEMUNITDIR=lib/systemd/system"
+        "-DWITH_SYSTEMD_USERUNITDIR=lib/systemd/user"
+        ${options}
+    OPTIONS_RELEASE
+        -DDBUS_DISABLE_ASSERT=OFF
+        -DDBUS_ENABLE_STATS=OFF
+        -DDBUS_ENABLE_VERBOSE_MODE=OFF
+    MAYBE_UNUSED_VARIABLES
+        DBUS_BUILD_X11
+        DBUS_WITH_GLIB
+        ENABLE_SYSTEMD
+        THREADS_PREFER_PTHREAD_FLAG
+        WITH_SYSTEMD_SYSTEMUNITDIR
+        WITH_SYSTEMD_USERUNITDIR
+)
+vcpkg_cmake_install()
+vcpkg_copy_pdbs()
+vcpkg_cmake_config_fixup(PACKAGE_NAME "DBus1" CONFIG_PATH "lib/cmake/DBus1")
+vcpkg_fixup_pkgconfig() 
+
+file(REMOVE_RECURSE
+    "${CURRENT_PACKAGES_DIR}/debug/include"
+    "${CURRENT_PACKAGES_DIR}/debug/share"
+    "${CURRENT_PACKAGES_DIR}/debug/var/"
+    "${CURRENT_PACKAGES_DIR}/etc"
+    "${CURRENT_PACKAGES_DIR}/share/dbus-1/services"
+    "${CURRENT_PACKAGES_DIR}/share/dbus-1/session.d"
+    "${CURRENT_PACKAGES_DIR}/share/dbus-1/system-services"
+    "${CURRENT_PACKAGES_DIR}/share/dbus-1/system.d"
+    "${CURRENT_PACKAGES_DIR}/share/dbus-1/system.conf"
+    "${CURRENT_PACKAGES_DIR}/share/dbus-1/system.conf"
+    "${CURRENT_PACKAGES_DIR}/share/doc"
+    "${CURRENT_PACKAGES_DIR}/var"
+)
+
+vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/share/dbus-1/session.conf" "<include ignore_missing=\"yes\">${CURRENT_PACKAGES_DIR}/etc/dbus/dbus-1/session.conf</include>" "")
+vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/share/dbus-1/session.conf" "<includedir>${CURRENT_PACKAGES_DIR}/etc/dbus/dbus-1/session.d</includedir>" "")
+vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/share/dbus-1/session.conf" "<include ignore_missing=\"yes\">${CURRENT_PACKAGES_DIR}/etc/dbus/dbus-1/session-local.conf</include>" "")
+
+set(TOOLS daemon launch monitor run-session send test-tool update-activation-environment)
+if(VCPKG_TARGET_IS_WINDOWS)
+    file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/tools/${PORT}")
+    file(RENAME "${CURRENT_PACKAGES_DIR}/bin/dbus-env.bat" "${CURRENT_PACKAGES_DIR}/tools/${PORT}/dbus-env.bat")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/tools/${PORT}/dbus-env.bat" "${CURRENT_PACKAGES_DIR}" "%~dp0/../..")
+else()
+    list(APPEND TOOLS cleanup-sockets uuidgen)
+endif()
+list(TRANSFORM TOOLS PREPEND "dbus-" )
+vcpkg_copy_tools(TOOL_NAMES ${TOOLS} AUTO_CLEAN)
+
+file(INSTALL "${SOURCE_PATH}/COPYING" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)

dependencies/vcpkg_overlay_ports_linux/dbus/vcpkg.json

@@ -0,0 +1,30 @@
+{
+  "name": "dbus",
+  "version": "1.15.8",
+  "port-version": 2,
+  "description": "D-Bus specification and reference implementation, including libdbus and dbus-daemon",
+  "homepage": "https://gitlab.freedesktop.org/dbus/dbus",
+  "license": "AFL-2.1 OR GPL-2.0-or-later",
+  "supports": "!uwp & !staticcrt",
+  "dependencies": [
+    "expat",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "default-features": [
+  ],
+  "features": {
+    "x11": {
+      "description": "Build with X11 autolaunch support",
+      "dependencies": [
+        "libx11"
+      ]
+    }
+  }
+}