Update SDL2 + Better way to use sys packages on linux

CMakeLists.txt

@@ -17,7 +17,11 @@ if (EXPERIMENTAL_VERSION)
 endif()
 
 if (ENABLE_VCPKG)
-	set(VCPKG_OVERLAY_PORTS "${CMAKE_CURRENT_LIST_DIR}/dependencies/vcpkg_overlay_ports")
+	if(UNIX AND NOT APPLE)
+		set(VCPKG_OVERLAY_PORTS "${CMAKE_CURRENT_LIST_DIR}/dependencies/vcpkg_overlay_ports_linux")
+	else()
+		set(VCPKG_OVERLAY_PORTS "${CMAKE_CURRENT_LIST_DIR}/dependencies/vcpkg_overlay_ports")
+	endif()
 	set(CMAKE_TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/dependencies/vcpkg/scripts/buildsystems/vcpkg.cmake"
 		CACHE STRING "Vcpkg toolchain file")
 	# Set this so that all the various find_package() calls don't need an explicit

dependencies/vcpkg_overlay_ports/sdl2/deps.patch

@@ -0,0 +1,13 @@
+diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
+index 65a98efbe..2f99f28f1 100644
+--- a/cmake/sdlchecks.cmake
++++ b/cmake/sdlchecks.cmake
+@@ -352,7 +352,7 @@ endmacro()
+ # - HAVE_SDL_LOADSO opt
+ macro(CheckLibSampleRate)
+   if(SDL_LIBSAMPLERATE)
+-    find_package(SampleRate QUIET)
++    find_package(SampleRate CONFIG REQUIRED)
+     if(SampleRate_FOUND AND TARGET SampleRate::samplerate)
+       set(HAVE_LIBSAMPLERATE TRUE)
+       set(HAVE_LIBSAMPLERATE_H TRUE)

dependencies/vcpkg_overlay_ports/sdl2/portfile.cmake

@@ -0,0 +1,130 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO libsdl-org/SDL
+    REF "release-${VERSION}"
+    SHA512 90858ae8c5fdddd5e13724e05ad0970e11bbab1df8a0201c3f4ce354dc6018e5d4ab7279402a263c716aacdaa52745f78531dc225d48d790ee9307e2f6198695
+    HEAD_REF main
+    PATCHES
+        deps.patch
+)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" SDL_STATIC)
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" SDL_SHARED)
+string(COMPARE EQUAL "${VCPKG_CRT_LINKAGE}" "static" FORCE_STATIC_VCRT)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        vulkan   SDL_VULKAN
+        x11      SDL_X11
+        wayland  SDL_WAYLAND
+        samplerate SDL_LIBSAMPLERATE
+        ibus     SDL_IBUS
+)
+
+if ("x11" IN_LIST FEATURES)
+    message(WARNING "You will need to install Xorg dependencies to use feature x11:\nsudo apt install libx11-dev libxft-dev libxext-dev\n")
+endif()
+if ("wayland" IN_LIST FEATURES)
+    message(WARNING "You will need to install Wayland dependencies to use feature wayland:\nsudo apt install libwayland-dev libxkbcommon-dev libegl1-mesa-dev\n")
+endif()
+if ("ibus" IN_LIST FEATURES)
+    message(WARNING "You will need to install ibus dependencies to use feature ibus:\nsudo apt install libibus-1.0-dev\n")
+endif()
+
+if(VCPKG_TARGET_IS_UWP)
+    set(configure_opts WINDOWS_USE_MSBUILD)
+endif()
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    ${configure_opts}
+    OPTIONS ${FEATURE_OPTIONS}
+        -DSDL_STATIC=${SDL_STATIC}
+        -DSDL_SHARED=${SDL_SHARED}
+        -DSDL_FORCE_STATIC_VCRT=${FORCE_STATIC_VCRT}
+        -DSDL_LIBC=ON
+        -DSDL_TEST=OFF
+        -DSDL_INSTALL_CMAKEDIR="cmake"
+        -DCMAKE_DISABLE_FIND_PACKAGE_Git=ON
+        -DSDL_LIBSAMPLERATE_SHARED=OFF
+    MAYBE_UNUSED_VARIABLES
+        SDL_FORCE_STATIC_VCRT
+)
+
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(CONFIG_PATH cmake)
+
+file(REMOVE_RECURSE
+    "${CURRENT_PACKAGES_DIR}/debug/include"
+    "${CURRENT_PACKAGES_DIR}/debug/share"
+    "${CURRENT_PACKAGES_DIR}/bin/sdl2-config"
+    "${CURRENT_PACKAGES_DIR}/debug/bin/sdl2-config"
+    "${CURRENT_PACKAGES_DIR}/SDL2.framework"
+    "${CURRENT_PACKAGES_DIR}/debug/SDL2.framework"
+    "${CURRENT_PACKAGES_DIR}/share/licenses"
+    "${CURRENT_PACKAGES_DIR}/share/aclocal"
+)
+
+file(GLOB BINS "${CURRENT_PACKAGES_DIR}/debug/bin/*" "${CURRENT_PACKAGES_DIR}/bin/*")
+if(NOT BINS)
+    file(REMOVE_RECURSE
+        "${CURRENT_PACKAGES_DIR}/bin"
+        "${CURRENT_PACKAGES_DIR}/debug/bin"
+    )
+endif()
+
+if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_UWP AND NOT VCPKG_TARGET_IS_MINGW)
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+        file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/lib/manual-link")
+        file(RENAME "${CURRENT_PACKAGES_DIR}/lib/SDL2main.lib" "${CURRENT_PACKAGES_DIR}/lib/manual-link/SDL2main.lib")
+    endif()
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/debug/lib/manual-link")
+        file(RENAME "${CURRENT_PACKAGES_DIR}/debug/lib/SDL2maind.lib" "${CURRENT_PACKAGES_DIR}/debug/lib/manual-link/SDL2maind.lib")
+    endif()
+
+    file(GLOB SHARE_FILES "${CURRENT_PACKAGES_DIR}/share/sdl2/*.cmake")
+    foreach(SHARE_FILE ${SHARE_FILES})
+        vcpkg_replace_string("${SHARE_FILE}" "lib/SDL2main" "lib/manual-link/SDL2main")
+    endforeach()
+endif()
+
+vcpkg_copy_pdbs()
+
+set(DYLIB_COMPATIBILITY_VERSION_REGEX "set\\(DYLIB_COMPATIBILITY_VERSION (.+)\\)")
+set(DYLIB_CURRENT_VERSION_REGEX "set\\(DYLIB_CURRENT_VERSION (.+)\\)")
+file(STRINGS "${SOURCE_PATH}/CMakeLists.txt" DYLIB_COMPATIBILITY_VERSION REGEX ${DYLIB_COMPATIBILITY_VERSION_REGEX})
+file(STRINGS "${SOURCE_PATH}/CMakeLists.txt" DYLIB_CURRENT_VERSION REGEX ${DYLIB_CURRENT_VERSION_REGEX})
+string(REGEX REPLACE ${DYLIB_COMPATIBILITY_VERSION_REGEX} "\\1" DYLIB_COMPATIBILITY_VERSION "${DYLIB_COMPATIBILITY_VERSION}")
+string(REGEX REPLACE ${DYLIB_CURRENT_VERSION_REGEX} "\\1" DYLIB_CURRENT_VERSION "${DYLIB_CURRENT_VERSION}")
+
+if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2main" "-lSDL2maind")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2 " "-lSDL2d ")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2-static " "-lSDL2-staticd ")
+endif()
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic" AND VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/sdl2.pc" "-lSDL2-static " " ")
+    endif()
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2-staticd " " ")
+    endif()
+endif()
+
+if(VCPKG_TARGET_IS_UWP)
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/sdl2.pc" "$<$<CONFIG:Debug>:d>.lib" "")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/sdl2.pc" "-l-nodefaultlib:" "-nodefaultlib:")
+    endif()
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "$<$<CONFIG:Debug>:d>.lib" "d")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-l-nodefaultlib:" "-nodefaultlib:")
+    endif()
+endif()
+
+vcpkg_fixup_pkgconfig()
+
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE.txt")

dependencies/vcpkg_overlay_ports/sdl2/usage

@@ -0,0 +1,8 @@
+sdl2 provides CMake targets:
+
+    find_package(SDL2 CONFIG REQUIRED)
+    target_link_libraries(main
+        PRIVATE
+        $<TARGET_NAME_IF_EXISTS:SDL2::SDL2main>
+        $<IF:$<TARGET_EXISTS:SDL2::SDL2>,SDL2::SDL2,SDL2::SDL2-static>
+    )

dependencies/vcpkg_overlay_ports/sdl2/vcpkg.json

@@ -0,0 +1,58 @@
+{
+  "name": "sdl2",
+  "version": "2.26.5",
+  "description": "Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.",
+  "homepage": "https://www.libsdl.org/download-2.0.php",
+  "license": "Zlib",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "default-features": [
+    "base"
+  ],
+  "features": {
+    "base": {
+      "description": "Base functionality for SDL",
+      "dependencies": [
+        {
+          "name": "sdl2",
+          "default-features": false,
+          "features": [
+            "ibus",
+            "wayland",
+            "x11"
+          ],
+          "platform": "linux"
+        }
+      ]
+    },
+    "ibus": {
+      "description": "Build with ibus IME support",
+      "supports": "linux"
+    },
+    "samplerate": {
+      "description": "Use libsamplerate for audio rate conversion",
+      "dependencies": [
+        "libsamplerate"
+      ]
+    },
+    "vulkan": {
+      "description": "Vulkan functionality for SDL"
+    },
+    "wayland": {
+      "description": "Build with Wayland support",
+      "supports": "linux"
+    },
+    "x11": {
+      "description": "Build with X11 support",
+      "supports": "!windows"
+    }
+  }
+}

dependencies/vcpkg_overlay_ports/wxwidgets/example/CMakeLists.txt

@@ -1,31 +0,0 @@
-cmake_minimum_required(VERSION 3.7)
-
-project(wxwidgets-example)
-
-add_executable(main WIN32 popup.cpp)
-
-find_package(wxWidgets REQUIRED)
-target_compile_definitions(main PRIVATE ${wxWidgets_DEFINITIONS} "$<$<CONFIG:DEBUG>:${wxWidgets_DEFINITIONS_DEBUG}>")
-target_include_directories(main PRIVATE ${wxWidgets_INCLUDE_DIRS})
-target_link_libraries(main PRIVATE ${wxWidgets_LIBRARIES})
-
-add_executable(main2 WIN32 popup.cpp)
-
-find_package(wxWidgets CONFIG REQUIRED)
-target_link_libraries(main2 PRIVATE wx::core wx::base)
-
-option(USE_WXRC "Use the wxrc resource compiler" ON)
-if(USE_WXRC)
-    execute_process(
-        COMMAND "${wxWidgets_wxrc_EXECUTABLE}" --help
-        RESULTS_VARIABLE error_result
-    )
-    if(error_result)
-        message(FATAL_ERROR "Failed to run wxWidgets_wxrc_EXECUTABLE (${wxWidgets_wxrc_EXECUTABLE})")
-    endif()
-endif()
-
-set(PRINT_VARS "" CACHE STRING "Variables to print at the end of configuration")
-foreach(var IN LISTS PRINT_VARS)
-    message(STATUS "${var}:=${${var}}")
-endforeach()

dependencies/vcpkg_overlay_ports/wxwidgets/fix-libs-export.patch

@@ -1,21 +0,0 @@
-diff --git a/build/cmake/config.cmake b/build/cmake/config.cmake
-index b359560..7504458 100644
---- a/build/cmake/config.cmake
-+++ b/build/cmake/config.cmake
-@@ -39,8 +39,14 @@ macro(wx_get_dependencies var lib)
-             else()
-                 # For the value like $<$<CONFIG:DEBUG>:LIB_PATH>
-                 # Or $<$<NOT:$<CONFIG:DEBUG>>:LIB_PATH>
--                string(REGEX REPLACE "^.+>:(.+)>$" "\\1" dep_name ${dep})
--                if (NOT dep_name)
-+                if(dep MATCHES "^(.+>):(.+)>$")
-+                    if(CMAKE_BUILD_TYPE STREQUAL "Debug" AND CMAKE_MATCH_1 STREQUAL [[$<$<NOT:$<CONFIG:DEBUG>>]])
-+                        continue()
-+                    elseif(CMAKE_BUILD_TYPE STREQUAL "Release" AND CMAKE_MATCH_1 STREQUAL [[$<$<CONFIG:DEBUG>]])
-+                        continue()
-+                    endif()
-+                    set(dep_name "${CMAKE_MATCH_2}")
-+                else()
-                     set(dep_name ${dep})
-                 endif()
-             endif()

dependencies/vcpkg_overlay_ports/wxwidgets/fix-pcre2.patch

@@ -1,23 +0,0 @@
-diff --git a/build/cmake/modules/FindPCRE2.cmake b/build/cmake/modules/FindPCRE2.cmake
-index a27693a..455675a 100644
---- a/build/cmake/modules/FindPCRE2.cmake
-+++ b/build/cmake/modules/FindPCRE2.cmake
-@@ -24,7 +24,10 @@ set(PCRE2_CODE_UNIT_WIDTH_USED "${PCRE2_CODE_UNIT_WIDTH}" CACHE INTERNAL "")
- 
- find_package(PkgConfig QUIET)
- pkg_check_modules(PC_PCRE2 QUIET libpcre2-${PCRE2_CODE_UNIT_WIDTH})
-+set(PCRE2_LIBRARIES ${PC_PCRE2_LINK_LIBRARIES})
-+set(PCRE2_INCLUDE_DIRS ${PC_PCRE2_INCLUDE_DIRS})
- 
-+if (0)
- find_path(PCRE2_INCLUDE_DIRS
-     NAMES pcre2.h
-     HINTS ${PC_PCRE2_INCLUDEDIR}
-@@ -36,6 +39,7 @@ find_library(PCRE2_LIBRARIES
-     HINTS ${PC_PCRE2_LIBDIR}
-           ${PC_PCRE2_LIBRARY_DIRS}
- )
-+endif()
- 
- include(FindPackageHandleStandardArgs)
- FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE2 REQUIRED_VARS PCRE2_LIBRARIES PCRE2_INCLUDE_DIRS VERSION_VAR PC_PCRE2_VERSION)

dependencies/vcpkg_overlay_ports/wxwidgets/fix_include.patch

@@ -1,13 +0,0 @@
-diff --git a/src/stc/scintilla/include/Scintilla.h b/src/stc/scintilla/include/Scintilla.h
-index 8c57520e1..54ffb27d2 100644
---- a/src/stc/scintilla/include/Scintilla.h	
-+++ b/src/stc/scintilla/include/Scintilla.h
-@@ -27,7 +27,7 @@ int Scintilla_LinkLexers(void);
- #endif
- 
- // Include header that defines basic numeric types.
--#if defined(_MSC_VER)
-+#if defined(_MSC_VER) && !defined(__clang__)
- // Older releases of MSVC did not have stdint.h.
- #include <stddef.h>
- #elif defined( __VMS )

dependencies/vcpkg_overlay_ports/wxwidgets/gtk3-link-libraries.patch

@@ -1,12 +0,0 @@
-diff --git a/build/cmake/modules/FindGTK3.cmake b/build/cmake/modules/FindGTK3.cmake
-index d2939a1..daf33fe 100644
---- a/build/cmake/modules/FindGTK3.cmake
-+++ b/build/cmake/modules/FindGTK3.cmake
-@@ -47,6 +47,7 @@ include(CheckSymbolExists)
- set(CMAKE_REQUIRED_INCLUDES ${GTK3_INCLUDE_DIRS})
- check_symbol_exists(GDK_WINDOWING_WAYLAND "gdk/gdk.h" wxHAVE_GDK_WAYLAND)
- check_symbol_exists(GDK_WINDOWING_X11 "gdk/gdk.h" wxHAVE_GDK_X11)
-+set(GTK3_LIBRARIES "${GTK3_LINK_LIBRARIES}" CACHE INTERNAL "")
- include(FindPackageHandleStandardArgs)
- FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTK3 DEFAULT_MSG GTK3_INCLUDE_DIRS GTK3_LIBRARIES VERSION_OK)
- 

dependencies/vcpkg_overlay_ports/wxwidgets/install-layout.patch

@@ -1,52 +0,0 @@
-diff --git a/build/cmake/functions.cmake b/build/cmake/functions.cmake
-index 7182364..4f90430 100644
---- a/build/cmake/functions.cmake
-+++ b/build/cmake/functions.cmake
-@@ -428,7 +428,7 @@ macro(wx_add_library name)
-         set_target_properties(${name} PROPERTIES PROJECT_LABEL ${name_short})
- 
-         # Setup install
--        set(runtime_dir "lib")
-+        set(runtime_dir "bin")
-         if(WIN32 AND NOT WIN32_MSVC_NAMING)
-             # configure puts the .dll in the bin directory
-             set(runtime_dir "bin")
-diff --git a/build/cmake/init.cmake b/build/cmake/init.cmake
-index ef28c99..928bc0b 100644
---- a/build/cmake/init.cmake
-+++ b/build/cmake/init.cmake
-@@ -146,7 +146,7 @@ if(WIN32)
-     endif()
- endif()
- 
--if(WIN32_MSVC_NAMING)
-+if(0)
-     if(wxBUILD_SHARED)
-         set(lib_suffix "_dll")
-     else()
-diff --git a/build/cmake/install.cmake b/build/cmake/install.cmake
-index 384c683..a662a48 100644
---- a/build/cmake/install.cmake
-+++ b/build/cmake/install.cmake
-@@ -41,7 +41,7 @@ else()
- 
-     install(DIRECTORY DESTINATION "bin")
-     install(CODE "execute_process( \
--        COMMAND ${CMAKE_COMMAND} -E create_symlink \
-+        COMMAND ${CMAKE_COMMAND} -E copy \
-         \"${CMAKE_INSTALL_PREFIX}/lib/wx/config/${wxBUILD_FILE_ID}\" \
-         \"\$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/wx-config\" \
-         )"
-diff --git a/build/cmake/utils/CMakeLists.txt b/build/cmake/utils/CMakeLists.txt
-index dbed8cc..f1da8e3 100644
---- a/build/cmake/utils/CMakeLists.txt
-+++ b/build/cmake/utils/CMakeLists.txt
-@@ -39,7 +39,7 @@ if(wxUSE_XRC)
- 
-         # Don't use wx_install() here to preserve escaping.
-         install(CODE "execute_process( \
--            COMMAND ${CMAKE_COMMAND} -E create_symlink \
-+            COMMAND ${CMAKE_COMMAND} -E copy \
-             \"${CMAKE_INSTALL_PREFIX}/bin/${wxrc_output_name}${EXE_SUFFIX}\" \
-             \"\$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/wxrc${EXE_SUFFIX}\" \
-             )"

dependencies/vcpkg_overlay_ports/wxwidgets/nanosvg-ext-depend.patch

@@ -1,13 +0,0 @@
-diff --git a/build/cmake/wxWidgetsConfig.cmake.in b/build/cmake/wxWidgetsConfig.cmake.in
-index 6ef5a6e..248a701 100644
---- a/build/cmake/wxWidgetsConfig.cmake.in
-+++ b/build/cmake/wxWidgetsConfig.cmake.in
-@@ -1,5 +1,8 @@
- @PACKAGE_INIT@
- 
-+include(CMakeFindDependencyMacro)
-+find_dependency(NanoSVG CONFIG)
-+
- # determine target from compiler, platform and library type
- if(WIN32 AND NOT CYGWIN AND NOT MSYS)
-     if(${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC)

dependencies/vcpkg_overlay_ports/wxwidgets/portfile.cmake

@@ -1,193 +0,0 @@
-vcpkg_from_github(
-    OUT_SOURCE_PATH SOURCE_PATH
-    REPO wxWidgets/wxWidgets
-    REF "v${VERSION}"
-    SHA512 8ff645fe7ee97bf6358b3619efd737ef8f9eb0235ca481e921a64d451c45eb9671ee4e2807fea285153bc0bb434266234f6f4ab15f396bb8290f262fa879e9b3 
-    HEAD_REF master
-    PATCHES
-        install-layout.patch
-        relocatable-wx-config.patch
-        nanosvg-ext-depend.patch
-        fix-libs-export.patch
-        fix-pcre2.patch
-        gtk3-link-libraries.patch
-        sdl2.patch
-        fix_include.patch
-)
-
-vcpkg_check_features(
-    OUT_FEATURE_OPTIONS FEATURE_OPTIONS
-    FEATURES
-        fonts   wxUSE_PRIVATE_FONTS
-        media   wxUSE_MEDIACTRL
-        sound   wxUSE_SOUND
-        webview wxUSE_WEBVIEW
-        webview wxUSE_WEBVIEW_EDGE
-)
-
-set(OPTIONS_RELEASE "")
-if(NOT "debug-support" IN_LIST FEATURES)
-    list(APPEND OPTIONS_RELEASE "-DwxBUILD_DEBUG_LEVEL=0")
-endif()
-
-set(OPTIONS "")
-if(VCPKG_TARGET_IS_WINDOWS AND (VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64" OR VCPKG_TARGET_ARCHITECTURE STREQUAL "arm"))
-    list(APPEND OPTIONS
-        -DwxUSE_STACKWALKER=OFF
-    )
-endif()
-
-if(VCPKG_TARGET_IS_WINDOWS OR VCPKG_TARGET_IS_OSX)
-    list(APPEND OPTIONS -DwxUSE_WEBREQUEST_CURL=OFF)
-else()
-    list(APPEND OPTIONS -DwxUSE_WEBREQUEST_CURL=ON)
-endif()
-
-vcpkg_find_acquire_program(PKGCONFIG)
-
-# This may be set to ON by users in a custom triplet.
-# The use of 'wxUSE_STL' and 'WXWIDGETS_USE_STD_CONTAINERS' (ON or OFF) are not API compatible
-# which is why they must be set in a custom triplet rather than a port feature.
-if(NOT DEFINED WXWIDGETS_USE_STL)
-    set(WXWIDGETS_USE_STL OFF)
-endif()
-
-if(NOT DEFINED WXWIDGETS_USE_STD_CONTAINERS)
-    set(WXWIDGETS_USE_STD_CONTAINERS OFF)
-endif()
-
-vcpkg_cmake_configure(
-    SOURCE_PATH "${SOURCE_PATH}"
-    OPTIONS
-        ${FEATURE_OPTIONS}
-        -DwxUSE_REGEX=sys
-        -DwxUSE_ZLIB=sys
-        -DwxUSE_EXPAT=sys
-        -DwxUSE_LIBJPEG=sys
-        -DwxUSE_LIBPNG=sys
-        -DwxUSE_LIBTIFF=sys
-        -DwxUSE_NANOSVG=sys
-        -DwxUSE_GLCANVAS=ON
-        -DwxUSE_LIBGNOMEVFS=OFF
-        -DwxUSE_LIBNOTIFY=OFF
-        -DwxUSE_SECRETSTORE=OFF
-        -DwxUSE_STL=${WXWIDGETS_USE_STL}
-        -DwxUSE_STD_CONTAINERS=${WXWIDGETS_USE_STD_CONTAINERS}
-        -DwxUSE_UIACTIONSIMULATOR=OFF
-        -DCMAKE_DISABLE_FIND_PACKAGE_GSPELL=ON
-        -DCMAKE_DISABLE_FIND_PACKAGE_MSPACK=ON
-        ${OPTIONS}
-        "-DPKG_CONFIG_EXECUTABLE=${PKGCONFIG}"
-        # The minimum cmake version requirement for Cotire is 2.8.12.
-        # however, we need to declare that the minimum cmake version requirement is at least 3.1 to use CMAKE_PREFIX_PATH as the path to find .pc.
-        -DPKG_CONFIG_USE_CMAKE_PREFIX_PATH=ON
-    OPTIONS_RELEASE
-        ${OPTIONS_RELEASE}
-    MAYBE_UNUSED_VARIABLES
-        CMAKE_DISABLE_FIND_PACKAGE_GSPELL
-        CMAKE_DISABLE_FIND_PACKAGE_MSPACK
-)
-
-vcpkg_cmake_install()
-vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake/wxWidgets)
-
-# The CMake export is not ready for use: It lacks a config file.
-file(REMOVE_RECURSE
-    ${CURRENT_PACKAGES_DIR}/lib/cmake
-    ${CURRENT_PACKAGES_DIR}/debug/lib/cmake
-)
-
-set(tools wxrc)
-if(NOT VCPKG_TARGET_IS_WINDOWS)
-    list(APPEND tools wxrc-3.2)
-    file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/tools/${PORT}")
-    file(RENAME "${CURRENT_PACKAGES_DIR}/bin/wx-config" "${CURRENT_PACKAGES_DIR}/tools/${PORT}/wx-config")
-    if(NOT VCPKG_BUILD_TYPE)
-        file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/tools/${PORT}/debug")
-        file(RENAME "${CURRENT_PACKAGES_DIR}/debug/bin/wx-config" "${CURRENT_PACKAGES_DIR}/tools/${PORT}/debug/wx-config")
-    endif()
-endif()
-vcpkg_copy_tools(TOOL_NAMES ${tools} AUTO_CLEAN)
-
-# do the copy pdbs now after the dlls got moved to the expected /bin folder above
-vcpkg_copy_pdbs()
-
-file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/include/msvc")
-file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
-file(GLOB_RECURSE INCLUDES "${CURRENT_PACKAGES_DIR}/include/*.h")
-if(EXISTS "${CURRENT_PACKAGES_DIR}/lib/mswu/wx/setup.h")
-    list(APPEND INCLUDES "${CURRENT_PACKAGES_DIR}/lib/mswu/wx/setup.h")
-endif()
-if(EXISTS "${CURRENT_PACKAGES_DIR}/debug/lib/mswud/wx/setup.h")
-    list(APPEND INCLUDES "${CURRENT_PACKAGES_DIR}/debug/lib/mswud/wx/setup.h")
-endif()
-foreach(INC IN LISTS INCLUDES)
-    file(READ "${INC}" _contents)
-    if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
-        string(REPLACE "defined(WXUSINGDLL)" "0" _contents "${_contents}")
-    else()
-        string(REPLACE "defined(WXUSINGDLL)" "1" _contents "${_contents}")
-    endif()
-    # Remove install prefix from setup.h to ensure package is relocatable
-    string(REGEX REPLACE "\n#define wxINSTALL_PREFIX [^\n]*" "\n#define wxINSTALL_PREFIX \"\"" _contents "${_contents}")
-    file(WRITE "${INC}" "${_contents}")
-endforeach()
-
-if(NOT EXISTS "${CURRENT_PACKAGES_DIR}/include/wx/setup.h")
-    file(GLOB_RECURSE WX_SETUP_H_FILES_DBG "${CURRENT_PACKAGES_DIR}/debug/lib/*.h")
-    file(GLOB_RECURSE WX_SETUP_H_FILES_REL "${CURRENT_PACKAGES_DIR}/lib/*.h")
-
-    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
-        vcpkg_replace_string("${WX_SETUP_H_FILES_REL}" "${CURRENT_PACKAGES_DIR}" "")
-
-        string(REPLACE "${CURRENT_PACKAGES_DIR}/lib/" "" WX_SETUP_H_FILES_REL "${WX_SETUP_H_FILES_REL}")
-        string(REPLACE "/setup.h" "" WX_SETUP_H_REL_RELATIVE "${WX_SETUP_H_FILES_REL}")
-    endif()
-    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
-        vcpkg_replace_string("${WX_SETUP_H_FILES_DBG}" "${CURRENT_PACKAGES_DIR}" "")
-
-        string(REPLACE "${CURRENT_PACKAGES_DIR}/debug/lib/" "" WX_SETUP_H_FILES_DBG "${WX_SETUP_H_FILES_DBG}")
-        string(REPLACE "/setup.h" "" WX_SETUP_H_DBG_RELATIVE "${WX_SETUP_H_FILES_DBG}")
-    endif()
-
-    configure_file("${CMAKE_CURRENT_LIST_DIR}/setup.h.in" "${CURRENT_PACKAGES_DIR}/include/wx/setup.h" @ONLY)
-endif()
-
-file(GLOB configs LIST_DIRECTORIES false "${CURRENT_PACKAGES_DIR}/lib/wx/config/*" "${CURRENT_PACKAGES_DIR}/tools/${PORT}/wx-config")
-foreach(config IN LISTS configs)
-    vcpkg_replace_string("${config}" "${CURRENT_INSTALLED_DIR}" [[${prefix}]])
-endforeach()
-file(GLOB configs LIST_DIRECTORIES false "${CURRENT_PACKAGES_DIR}/debug/lib/wx/config/*" "${CURRENT_PACKAGES_DIR}/tools/${PORT}/debug/wx-config")
-foreach(config IN LISTS configs)
-    vcpkg_replace_string("${config}" "${CURRENT_INSTALLED_DIR}/debug" [[${prefix}]])
-endforeach()
-
-# For CMake multi-config in connection with wrapper
-if(EXISTS "${CURRENT_PACKAGES_DIR}/debug/lib/mswud/wx/setup.h")
-    file(INSTALL "${CURRENT_PACKAGES_DIR}/debug/lib/mswud/wx/setup.h"
-        DESTINATION "${CURRENT_PACKAGES_DIR}/lib/mswud/wx"
-    )
-endif()
-
-if(NOT "debug-support" IN_LIST FEATURES)
-    if(VCPKG_TARGET_IS_WINDOWS)
-        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/wx/debug.h" "#define wxDEBUG_LEVEL 1" "#define wxDEBUG_LEVEL 0")
-    else()
-        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/wx-3.2/wx/debug.h" "#define wxDEBUG_LEVEL 1" "#define wxDEBUG_LEVEL 0")
-    endif()
-endif()
-
-if("example" IN_LIST FEATURES)
-    file(INSTALL
-        "${CMAKE_CURRENT_LIST_DIR}/example/CMakeLists.txt"
-        "${SOURCE_PATH}/samples/popup/popup.cpp"
-        "${SOURCE_PATH}/samples/sample.xpm"
-        DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}/example"
-    )
-    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/share/${PORT}/example/popup.cpp" "../sample.xpm" "sample.xpm")
-endif()
-
-configure_file("${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake" "${CURRENT_PACKAGES_DIR}/share/${PORT}/vcpkg-cmake-wrapper.cmake" @ONLY)
-
-file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
-file(INSTALL "${SOURCE_PATH}/docs/licence.txt" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)

dependencies/vcpkg_overlay_ports/wxwidgets/relocatable-wx-config.patch

@@ -1,49 +0,0 @@
-diff --git a/wx-config.in b/wx-config.in
-index 441f88c..b326867 100755
---- a/wx-config.in
-+++ b/wx-config.in
-@@ -91,7 +91,7 @@ EOF
- 
- 
- # Contentious tools determined by configure.
--EGREP="@EGREP@"
-+EGREP="grep -E" # no absolute path from host
- 
- 
- # For the people who know what they want, or think they do:
-@@ -402,8 +402,23 @@ is_cross()  { [ "x@cross_compiling@" = "xyes" ]; }
- 
- 
- # Determine the base directories we require.
--prefix=${input_option_prefix-${this_prefix:-@prefix@}}
--exec_prefix=${input_option_exec_prefix-${input_option_prefix-${this_exec_prefix:-@exec_prefix@}}}
-+vcpkg_prefix=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd -P)
-+case "$vcpkg_prefix" in
-+    */lib/wx/config)
-+        vcpkg_prefix=${vcpkg_prefix%/*/*/*}
-+        ;;
-+    */tools/wxwidgets/debug)
-+        vcpkg_prefix=${vcpkg_prefix%/*/*/*}/debug
-+        ;;
-+    */tools/wxwidgets)
-+        vcpkg_prefix=${vcpkg_prefix%/*/*}
-+        ;;
-+esac
-+if [ -n "@MINGW@" -a -n "@CMAKE_HOST_WIN32@" ]; then
-+    vcpkg_prefix=$(cygpath -m "$vcpkg_prefix")
-+fi
-+prefix=${input_option_prefix-${this_prefix:-$vcpkg_prefix}}
-+exec_prefix=${input_option_exec_prefix-${input_option_prefix-${this_exec_prefix:-$prefix}}}
- wxconfdir="@libdir@/wx/config"
- 
- installed_configs=`cd "$wxconfdir" 2> /dev/null && ls | grep -v "^inplace-"`
-@@ -940,6 +949,9 @@ prefix=${this_prefix-$prefix}
- exec_prefix=${this_exec_prefix-$exec_prefix}
- 
- includedir="@includedir@"
-+if [ "@CMAKE_BUILD_TYPE@" = "Debug" ] ; then
-+    includedir="${includedir%/debug/include}/include"
-+fi
- libdir="@libdir@"
- bindir="@bindir@"
- 

dependencies/vcpkg_overlay_ports/wxwidgets/sdl2.patch

@@ -1,29 +0,0 @@
-diff --git a/build/cmake/init.cmake b/build/cmake/init.cmake
-index 7bd00d3..d903584 100644
---- a/build/cmake/init.cmake
-+++ b/build/cmake/init.cmake
-@@ -493,7 +493,9 @@ if(wxUSE_GUI)
-     endif()
- 
-     if(wxUSE_SOUND AND wxUSE_LIBSDL AND UNIX AND NOT APPLE)
--        find_package(SDL2)
-+        find_package(SDL2 CONFIG REQUIRED)
-+        set(SDL2_INCLUDE_DIR "" CACHE INTERNAL "")
-+        set(SDL2_LIBRARY SDL2::SDL2 CACHE INTERNAL "")
-         if(NOT SDL2_FOUND)
-             find_package(SDL)
-         endif()
-diff --git a/build/cmake/wxWidgetsConfig.cmake.in b/build/cmake/wxWidgetsConfig.cmake.in
-index 248a701..f617dc4 100644
---- a/build/cmake/wxWidgetsConfig.cmake.in
-+++ b/build/cmake/wxWidgetsConfig.cmake.in
-@@ -2,6 +2,9 @@
- 
- include(CMakeFindDependencyMacro)
- find_dependency(NanoSVG CONFIG)
-+if("@wxUSE_LIBSDL@")
-+    find_dependency(SDL2 CONFIG)
-+endif()
- 
- # determine target from compiler, platform and library type
- if(WIN32 AND NOT CYGWIN AND NOT MSYS)

dependencies/vcpkg_overlay_ports/wxwidgets/setup.h.in

@@ -1,5 +0,0 @@
-#ifdef _DEBUG
-#include "../../debug/lib/@WX_SETUP_H_DBG_RELATIVE@/setup.h"
-#else
-#include "../../lib/@WX_SETUP_H_REL_RELATIVE@/setup.h"
-#endif

dependencies/vcpkg_overlay_ports/wxwidgets/usage

@@ -1,4 +0,0 @@
-The package wxwidgets provides CMake targets:
-
-    find_package(wxWidgets CONFIG REQUIRED)
-    target_link_libraries(main PRIVATE wx::core wx::base)

dependencies/vcpkg_overlay_ports/wxwidgets/vcpkg-cmake-wrapper.cmake

@@ -1,81 +0,0 @@
-cmake_policy(PUSH)
-cmake_policy(SET CMP0012 NEW)
-cmake_policy(SET CMP0054 NEW)
-cmake_policy(SET CMP0057 NEW)
-
-get_filename_component(_vcpkg_wx_root "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE)
-set(wxWidgets_ROOT_DIR "${_vcpkg_wx_root}" CACHE INTERNAL "")
-set(WX_ROOT_DIR "${_vcpkg_wx_root}" CACHE INTERNAL "")
-unset(_vcpkg_wx_root)
-
-if(WIN32)
-    # Find all libs with "32" infix which is unknown to FindwxWidgets.cmake
-    function(z_vcpkg_wxwidgets_find_base_library BASENAME)
-        find_library(WX_${BASENAME}d wx${BASENAME}32ud NAMES wx${BASENAME}d PATHS "${wxWidgets_ROOT_DIR}/debug/lib" NO_DEFAULT_PATH)
-        find_library(WX_${BASENAME}  wx${BASENAME}32u  NAMES wx${BASENAME}  PATHS "${wxWidgets_ROOT_DIR}/lib" NO_DEFAULT_PATH REQUIRED)
-    endfunction()
-    function(z_vcpkg_wxwidgets_find_suffix_library BASENAME)
-        foreach(lib IN LISTS ARGN)
-            find_library(WX_${lib}d NAMES wx${BASENAME}32ud_${lib} PATHS "${wxWidgets_ROOT_DIR}/debug/lib" NO_DEFAULT_PATH)
-            find_library(WX_${lib}  NAMES wx${BASENAME}32u_${lib}  PATHS "${wxWidgets_ROOT_DIR}/lib" NO_DEFAULT_PATH)
-        endforeach()
-    endfunction()
-    z_vcpkg_wxwidgets_find_base_library(base)
-    z_vcpkg_wxwidgets_find_suffix_library(base net odbc xml)
-    z_vcpkg_wxwidgets_find_suffix_library(msw core adv aui html media xrc dbgrid gl qa richtext stc ribbon propgrid webview)
-    if(WX_stc AND "@VCPKG_LIBRARY_LINKAGE@" STREQUAL "static")
-        z_vcpkg_wxwidgets_find_base_library(scintilla)
-    endif()
-    # Force FindwxWidgets.cmake win32 mode for all windows targets built on windows
-    set(_vcpkg_wxwidgets_backup_crosscompiling "${CMAKE_CROSSCOMPILING}")
-    set(CMAKE_CROSSCOMPILING 0)
-    set(wxWidgets_LIB_DIR "${wxWidgets_ROOT_DIR}/lib" CACHE INTERNAL "")
-else()
-    # FindwxWidgets.cmake unix mode, single-config
-    set(_vcpkg_wxconfig "")
-    if(CMAKE_BUILD_TYPE STREQUAL "Debug" OR "Debug" IN_LIST MAP_IMPORTED_CONFIG_${CMAKE_BUILD_TYPE})
-        # Debug
-        set(wxWidgets_LIB_DIR "${wxWidgets_ROOT_DIR}/debug/lib" CACHE INTERNAL "")
-        file(GLOB _vcpkg_wxconfig LIST_DIRECTORIES false "${wxWidgets_LIB_DIR}/wx/config/*")
-    endif()
-    if(NOT _vcpkg_wxconfig)
-        # Release or fallback
-        set(wxWidgets_LIB_DIR "${wxWidgets_ROOT_DIR}/lib" CACHE INTERNAL "")
-        file(GLOB _vcpkg_wxconfig LIST_DIRECTORIES false "${wxWidgets_LIB_DIR}/wx/config/*")
-    endif()
-    set(wxWidgets_CONFIG_EXECUTABLE "${_vcpkg_wxconfig}" CACHE INTERNAL "")
-    unset(_vcpkg_wxconfig)
-endif()
-set(WX_LIB_DIR "${wxWidgets_LIB_DIR}" CACHE INTERNAL "")
-
-_find_package(${ARGS})
-
-if(DEFINED _vcpkg_wxwidgets_backup_crosscompiling)
-    set(CMAKE_CROSSCOMPILING "${_vcpkg_wxwidgets_backup_crosscompiling}")
-    unset(_vcpkg_wxwidgets_backup_crosscompiling)
-endif()
-
-if("@VCPKG_LIBRARY_LINKAGE@" STREQUAL "static" AND NOT "wx::core" IN_LIST wxWidgets_LIBRARIES)
-    find_package(NanoSVG CONFIG QUIET)
-    list(APPEND wxWidgets_LIBRARIES
-        NanoSVG::nanosvg NanoSVG::nanosvgrast
-        )
-endif()
-
-
-if(WIN32 AND "@VCPKG_LIBRARY_LINKAGE@" STREQUAL "static" AND NOT "wx::core" IN_LIST wxWidgets_LIBRARIES)
-    find_package(EXPAT QUIET)
-    find_package(JPEG QUIET)
-    find_package(PNG QUIET)
-    find_package(TIFF QUIET)
-    find_package(ZLIB QUIET)
-    list(APPEND wxWidgets_LIBRARIES
-        ${EXPAT_LIBRARIES}
-        ${JPEG_LIBRARIES}
-        ${PNG_LIBRARIES}
-        ${TIFF_LIBRARIES}
-        ${ZLIB_LIBRARIES}
-    )
-endif()
-
-cmake_policy(POP)

dependencies/vcpkg_overlay_ports/wxwidgets/vcpkg.json

@@ -1,99 +0,0 @@
-{
-  "name": "wxwidgets",
-  "version": "3.2.2.1",
-  "port-version": 1,
-  "description": [
-    "Widget toolkit and tools library for creating graphical user interfaces (GUIs) for cross-platform applications. ",
-    "Set WXWIDGETS_USE_STL in a custom triplet to build with the wxUSE_STL build option.",
-    "Set WXWIDGETS_USE_STD_CONTAINERS in a custom triplet to build with the wxUSE_STD_CONTAINERS build option."
-  ],
-  "homepage": "https://github.com/wxWidgets/wxWidgets",
-  "license": "LGPL-2.0-or-later WITH WxWindows-exception-3.1",
-  "supports": "!uwp",
-  "dependencies": [
-    {
-      "name": "cairo",
-      "default-features": false,
-      "platform": "!windows & !osx & !ios"
-    },
-    {
-      "name": "curl",
-      "default-features": false,
-      "platform": "!windows & !osx"
-    },
-    "expat",
-    {
-      "name": "libiconv",
-      "platform": "!windows"
-    },
-    "libjpeg-turbo",
-    {
-      "name": "libpng",
-      "platform": "!linux"
-    },
-    "nanosvg",
-    "opengl",
-    "pcre2",
-    "tiff",
-    {
-      "name": "vcpkg-cmake",
-      "host": true
-    },
-    {
-      "name": "vcpkg-cmake-config",
-      "host": true
-    },
-    "zlib"
-  ],
-  "default-features": [
-    "debug-support",
-    "sound"
-  ],
-  "features": {
-    "debug-support": {
-      "description": "Enable wxWidgets debugging support hooks even for release builds (wxDEBUG_LEVEL 1)"
-    },
-    "example": {
-      "description": "Example source code and CMake project"
-    },
-    "fonts": {
-      "description": "Enable to use the font functionality of wxWidgets",
-      "dependencies": [
-        {
-          "name": "fontconfig",
-          "platform": "!windows & !osx"
-        },
-        {
-          "name": "pango",
-          "platform": "!windows & !osx"
-        }
-      ]
-    },
-    "media": {
-      "description": "Build wxMediaCtrl support",
-      "dependencies": [
-        {
-          "name": "gstreamer",
-          "default-features": false,
-          "platform": "!windows & !osx & !ios"
-        }
-      ]
-    },
-    "sound": {
-      "description": "Build wxSound support",
-      "dependencies": [
-        {
-          "name": "sdl2",
-          "default-features": false,
-          "platform": "!windows & !osx & !ios"
-        }
-      ]
-    },
-    "webview": {
-      "description": "The Edge backend uses Microsoft's Edge WebView2",
-      "dependencies": [
-        "webview2"
-      ]
-    }
-  }
-}

dependencies/vcpkg_overlay_ports_linux/glm/portfile.cmake

@@ -0,0 +1 @@
+set(VCPKG_POLICY_EMPTY_PACKAGE enabled)

dependencies/vcpkg_overlay_ports_linux/glm/vcpkg.json

@@ -0,0 +1,8 @@
+{
+  "name": "glm",
+  "version": "0.9.9.8",
+  "port-version": 3,
+  "description": "OpenGL Mathematics (GLM)",
+  "homepage": "https://glm.g-truc.net",
+  "license": "MIT"
+}

dependencies/vcpkg_overlay_ports_linux/libpng/portfile.cmake

@@ -0,0 +1 @@
+set(VCPKG_POLICY_EMPTY_PACKAGE enabled)

dependencies/vcpkg_overlay_ports_linux/libpng/vcpkg.json

@@ -0,0 +1,8 @@
+{
+  "name": "libpng",
+  "version": "1.6.39",
+  "port-version": 2,
+  "description": "libpng is a library implementing an interface for reading and writing PNG (Portable Network Graphics) format files",
+  "homepage": "https://github.com/glennrp/libpng",
+  "license": "libpng-2.0"
+}

dependencies/vcpkg_overlay_ports_linux/sdl2/deps.patch

@@ -0,0 +1,13 @@
+diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
+index 65a98efbe..2f99f28f1 100644
+--- a/cmake/sdlchecks.cmake
++++ b/cmake/sdlchecks.cmake
+@@ -352,7 +352,7 @@ endmacro()
+ # - HAVE_SDL_LOADSO opt
+ macro(CheckLibSampleRate)
+   if(SDL_LIBSAMPLERATE)
+-    find_package(SampleRate QUIET)
++    find_package(SampleRate CONFIG REQUIRED)
+     if(SampleRate_FOUND AND TARGET SampleRate::samplerate)
+       set(HAVE_LIBSAMPLERATE TRUE)
+       set(HAVE_LIBSAMPLERATE_H TRUE)

dependencies/vcpkg_overlay_ports_linux/sdl2/portfile.cmake

@@ -0,0 +1,130 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO libsdl-org/SDL
+    REF "release-${VERSION}"
+    SHA512 90858ae8c5fdddd5e13724e05ad0970e11bbab1df8a0201c3f4ce354dc6018e5d4ab7279402a263c716aacdaa52745f78531dc225d48d790ee9307e2f6198695
+    HEAD_REF main
+    PATCHES
+        deps.patch
+)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" SDL_STATIC)
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" SDL_SHARED)
+string(COMPARE EQUAL "${VCPKG_CRT_LINKAGE}" "static" FORCE_STATIC_VCRT)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        vulkan   SDL_VULKAN
+        x11      SDL_X11
+        wayland  SDL_WAYLAND
+        samplerate SDL_LIBSAMPLERATE
+        ibus     SDL_IBUS
+)
+
+if ("x11" IN_LIST FEATURES)
+    message(WARNING "You will need to install Xorg dependencies to use feature x11:\nsudo apt install libx11-dev libxft-dev libxext-dev\n")
+endif()
+if ("wayland" IN_LIST FEATURES)
+    message(WARNING "You will need to install Wayland dependencies to use feature wayland:\nsudo apt install libwayland-dev libxkbcommon-dev libegl1-mesa-dev\n")
+endif()
+if ("ibus" IN_LIST FEATURES)
+    message(WARNING "You will need to install ibus dependencies to use feature ibus:\nsudo apt install libibus-1.0-dev\n")
+endif()
+
+if(VCPKG_TARGET_IS_UWP)
+    set(configure_opts WINDOWS_USE_MSBUILD)
+endif()
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    ${configure_opts}
+    OPTIONS ${FEATURE_OPTIONS}
+        -DSDL_STATIC=${SDL_STATIC}
+        -DSDL_SHARED=${SDL_SHARED}
+        -DSDL_FORCE_STATIC_VCRT=${FORCE_STATIC_VCRT}
+        -DSDL_LIBC=ON
+        -DSDL_TEST=OFF
+        -DSDL_INSTALL_CMAKEDIR="cmake"
+        -DCMAKE_DISABLE_FIND_PACKAGE_Git=ON
+        -DSDL_LIBSAMPLERATE_SHARED=OFF
+    MAYBE_UNUSED_VARIABLES
+        SDL_FORCE_STATIC_VCRT
+)
+
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(CONFIG_PATH cmake)
+
+file(REMOVE_RECURSE
+    "${CURRENT_PACKAGES_DIR}/debug/include"
+    "${CURRENT_PACKAGES_DIR}/debug/share"
+    "${CURRENT_PACKAGES_DIR}/bin/sdl2-config"
+    "${CURRENT_PACKAGES_DIR}/debug/bin/sdl2-config"
+    "${CURRENT_PACKAGES_DIR}/SDL2.framework"
+    "${CURRENT_PACKAGES_DIR}/debug/SDL2.framework"
+    "${CURRENT_PACKAGES_DIR}/share/licenses"
+    "${CURRENT_PACKAGES_DIR}/share/aclocal"
+)
+
+file(GLOB BINS "${CURRENT_PACKAGES_DIR}/debug/bin/*" "${CURRENT_PACKAGES_DIR}/bin/*")
+if(NOT BINS)
+    file(REMOVE_RECURSE
+        "${CURRENT_PACKAGES_DIR}/bin"
+        "${CURRENT_PACKAGES_DIR}/debug/bin"
+    )
+endif()
+
+if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_UWP AND NOT VCPKG_TARGET_IS_MINGW)
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+        file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/lib/manual-link")
+        file(RENAME "${CURRENT_PACKAGES_DIR}/lib/SDL2main.lib" "${CURRENT_PACKAGES_DIR}/lib/manual-link/SDL2main.lib")
+    endif()
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        file(MAKE_DIRECTORY "${CURRENT_PACKAGES_DIR}/debug/lib/manual-link")
+        file(RENAME "${CURRENT_PACKAGES_DIR}/debug/lib/SDL2maind.lib" "${CURRENT_PACKAGES_DIR}/debug/lib/manual-link/SDL2maind.lib")
+    endif()
+
+    file(GLOB SHARE_FILES "${CURRENT_PACKAGES_DIR}/share/sdl2/*.cmake")
+    foreach(SHARE_FILE ${SHARE_FILES})
+        vcpkg_replace_string("${SHARE_FILE}" "lib/SDL2main" "lib/manual-link/SDL2main")
+    endforeach()
+endif()
+
+vcpkg_copy_pdbs()
+
+set(DYLIB_COMPATIBILITY_VERSION_REGEX "set\\(DYLIB_COMPATIBILITY_VERSION (.+)\\)")
+set(DYLIB_CURRENT_VERSION_REGEX "set\\(DYLIB_CURRENT_VERSION (.+)\\)")
+file(STRINGS "${SOURCE_PATH}/CMakeLists.txt" DYLIB_COMPATIBILITY_VERSION REGEX ${DYLIB_COMPATIBILITY_VERSION_REGEX})
+file(STRINGS "${SOURCE_PATH}/CMakeLists.txt" DYLIB_CURRENT_VERSION REGEX ${DYLIB_CURRENT_VERSION_REGEX})
+string(REGEX REPLACE ${DYLIB_COMPATIBILITY_VERSION_REGEX} "\\1" DYLIB_COMPATIBILITY_VERSION "${DYLIB_COMPATIBILITY_VERSION}")
+string(REGEX REPLACE ${DYLIB_CURRENT_VERSION_REGEX} "\\1" DYLIB_CURRENT_VERSION "${DYLIB_CURRENT_VERSION}")
+
+if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2main" "-lSDL2maind")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2 " "-lSDL2d ")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2-static " "-lSDL2-staticd ")
+endif()
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic" AND VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/sdl2.pc" "-lSDL2-static " " ")
+    endif()
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-lSDL2-staticd " " ")
+    endif()
+endif()
+
+if(VCPKG_TARGET_IS_UWP)
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/sdl2.pc" "$<$<CONFIG:Debug>:d>.lib" "")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/sdl2.pc" "-l-nodefaultlib:" "-nodefaultlib:")
+    endif()
+    if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "$<$<CONFIG:Debug>:d>.lib" "d")
+        vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/sdl2.pc" "-l-nodefaultlib:" "-nodefaultlib:")
+    endif()
+endif()
+
+vcpkg_fixup_pkgconfig()
+
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE.txt")

dependencies/vcpkg_overlay_ports_linux/sdl2/usage

@@ -0,0 +1,8 @@
+sdl2 provides CMake targets:
+
+    find_package(SDL2 CONFIG REQUIRED)
+    target_link_libraries(main
+        PRIVATE
+        $<TARGET_NAME_IF_EXISTS:SDL2::SDL2main>
+        $<IF:$<TARGET_EXISTS:SDL2::SDL2>,SDL2::SDL2,SDL2::SDL2-static>
+    )

dependencies/vcpkg_overlay_ports_linux/sdl2/vcpkg.json

@@ -0,0 +1,58 @@
+{
+  "name": "sdl2",
+  "version": "2.26.5",
+  "description": "Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.",
+  "homepage": "https://www.libsdl.org/download-2.0.php",
+  "license": "Zlib",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "default-features": [
+    "base"
+  ],
+  "features": {
+    "base": {
+      "description": "Base functionality for SDL",
+      "dependencies": [
+        {
+          "name": "sdl2",
+          "default-features": false,
+          "features": [
+            "ibus",
+            "wayland",
+            "x11"
+          ],
+          "platform": "linux"
+        }
+      ]
+    },
+    "ibus": {
+      "description": "Build with ibus IME support",
+      "supports": "linux"
+    },
+    "samplerate": {
+      "description": "Use libsamplerate for audio rate conversion",
+      "dependencies": [
+        "libsamplerate"
+      ]
+    },
+    "vulkan": {
+      "description": "Vulkan functionality for SDL"
+    },
+    "wayland": {
+      "description": "Build with Wayland support",
+      "supports": "linux"
+    },
+    "x11": {
+      "description": "Build with X11 support",
+      "supports": "!windows"
+    }
+  }
+}

vcpkg.json

@@ -6,10 +6,6 @@
     "pugixml",
     "zlib",
     "zstd",
-    {
-      "name": "libpng",
-      "platform": "!linux"
-    },
     {
       "name": "libzip",
       "default-features": false
@@ -32,8 +28,9 @@
     "boost-static-string",
     "boost-random",
     "fmt",
+    "libpng",
     "glm",
-	{
+    {
       "name": "glslang",
       "default-features": false
     },