usse vcpkg just for the libsndfile build chain

Tools/CMake/vcpkg/ports/libvorbis/0001-Dont-export-vorbisenc-functions.patch

@@ -0,0 +1,16 @@
+diff --git a/win32/vorbis.def b/win32/vorbis.def
+index 9cca64d..a80fff7 100644
+--- a/win32/vorbis.def
++++ b/win32/vorbis.def
+@@ -49,11 +49,4 @@ vorbis_synthesis_idheader
+ ;
+ vorbis_window
+ ;_analysis_output_always
+-vorbis_encode_init
+-vorbis_encode_setup_managed
+-vorbis_encode_setup_vbr
+-vorbis_encode_init_vbr
+-vorbis_encode_setup_init
+-vorbis_encode_ctl
+-;
+ vorbis_version_string

Tools/CMake/vcpkg/ports/libvorbis/0002-Fixup-pkgconfig-libs.patch

@@ -0,0 +1,15 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f377c428..07530304 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -60,6 +60,9 @@ message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
+ # Find math library
+ 
+ check_library_exists(m floor "" HAVE_LIBM)
++if(HAVE_LIBM)
++    set(VORBIS_LIBS "-lm")
++endif()
+ 
+ # Find ogg dependency
+ find_package(Ogg REQUIRED)
+

Tools/CMake/vcpkg/ports/libvorbis/0003-def-mingw-compat.patch

@@ -0,0 +1,33 @@
+diff --git a/win32/vorbis.def b/win32/vorbis.def
+index 1310b6c..de14385 100644
+--- a/win32/vorbis.def
++++ b/win32/vorbis.def
+@@ -1,6 +1,5 @@
+ ; vorbis.def
+ ; 
+-LIBRARY
+ EXPORTS
+ _floor_P
+ _mapping_P
+diff --git a/win32/vorbisenc.def b/win32/vorbisenc.def
+index 79af064..40a3e39 100644
+--- a/win32/vorbisenc.def
++++ b/win32/vorbisenc.def
+@@ -1,6 +1,5 @@
+ ; vorbisenc.def
+ ;
+-LIBRARY
+ 
+ EXPORTS
+ vorbis_encode_init
+diff --git a/win32/vorbisfile.def b/win32/vorbisfile.def
+index 4dc5549..243795d 100644
+--- a/win32/vorbisfile.def
++++ b/win32/vorbisfile.def
+@@ -1,6 +1,5 @@
+ ; vorbisfile.def
+ ;
+-LIBRARY
+ EXPORTS
+ ov_clear
+ ov_open

Tools/CMake/vcpkg/ports/libvorbis/0004-ogg-find-dependency.patch

@@ -0,0 +1,13 @@
+diff --git a/cmake/VorbisConfig.cmake.in b/cmake/VorbisConfig.cmake.in
+index 6fc07941..c762ba55 100644
+--- a/cmake/VorbisConfig.cmake.in
++++ b/cmake/VorbisConfig.cmake.in
+@@ -1,7 +1,7 @@
+ @PACKAGE_INIT@
+ 
+ include(CMakeFindDependencyMacro)
+-find_dependency(Ogg REQUIRED)
++find_dependency(Ogg CONFIG)
+ 
+ include(${CMAKE_CURRENT_LIST_DIR}/VorbisTargets.cmake)
+ 

Tools/CMake/vcpkg/ports/libvorbis/portfile.cmake

@@ -0,0 +1,29 @@
+set(LOCAL_ARCHIVE "$ENV{VCPKG_LIB_SOURCE_ROOT}/xiph-vorbis-v1.3.7.tar.gz")
+
+vcpkg_extract_source_archive(
+    SOURCE_PATH
+    ARCHIVE "${LOCAL_ARCHIVE}"
+    PATCHES
+        0001-Dont-export-vorbisenc-functions.patch
+        0002-Fixup-pkgconfig-libs.patch
+        0003-def-mingw-compat.patch
+        0004-ogg-find-dependency.patch
+)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 # https://github.com/xiph/vorbis/issues/113
+    MAYBE_UNUSED_VARIABLES
+        CMAKE_POLICY_VERSION_MINIMUM
+)
+
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(PACKAGE_NAME Vorbis CONFIG_PATH "lib/cmake/Vorbis")
+vcpkg_fixup_pkgconfig()
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+file(INSTALL "${SOURCE_PATH}/COPYING" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)

Tools/CMake/vcpkg/ports/libvorbis/usage

@@ -0,0 +1,13 @@
+The package libvorbis provides CMake targets:
+
+    # Vorbis reference encoder and decoder, low-level API
+    find_package(Vorbis CONFIG REQUIRED)
+    target_link_libraries(main PRIVATE Vorbis::vorbis)
+
+    # Audio stream decoding and basic manipulation, high-level API
+    find_package(Vorbis CONFIG REQUIRED)
+    target_link_libraries(main PRIVATE Vorbis::vorbisfile)
+
+    # Convenience API for setting up an encoding environment
+    find_package(Vorbis CONFIG REQUIRED)
+    target_link_libraries(main PRIVATE Vorbis::vorbisenc)

Tools/CMake/vcpkg/ports/libvorbis/vcpkg.json

@@ -0,0 +1,19 @@
+{
+  "name": "libvorbis",
+  "version": "1.3.7",
+  "port-version": 4,
+  "description": "Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed audio format",
+  "homepage": "https://github.com/xiph/vorbis",
+  "license": "BSD-3-Clause",
+  "dependencies": [
+    "libogg",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ]
+}