dep: Add libsamplerate

dep/libsamplerate/cmake/FindOgg.cmake

@@ -0,0 +1,57 @@
+# - Find ogg
+# Find the native ogg includes and libraries
+#
+#  Ogg_INCLUDE_DIRS - where to find ogg.h, etc.
+#  Ogg_LIBRARIES    - List of libraries when using ogg.
+#  Ogg_FOUND        - True if ogg found.
+
+if(Ogg_INCLUDE_DIR)
+  # Already in cache, be silent
+  set(Ogg_FIND_QUIETLY TRUE)
+endif()
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_Ogg QUIET ogg)
+
+set(Ogg_VERSION ${PC_Ogg_VERSION})
+
+find_path(Ogg_INCLUDE_DIR ogg/ogg.h
+  HINTS
+    ${PC_Ogg_INCLUDEDIR}
+    ${PC_Ogg_INCLUDE_DIRS}
+    ${Ogg_ROOT})
+# MSVC built ogg may be named ogg_static.
+# The provided project files name the library with the lib prefix.
+find_library(Ogg_LIBRARY
+  NAMES
+    ogg
+    ogg_static
+    libogg
+    libogg_static
+  HINTS
+    ${PC_Ogg_LIBDIR}
+    ${PC_Ogg_LIBRARY_DIRS}
+    ${Ogg_ROOT})
+# Handle the QUIETLY and REQUIRED arguments and set Ogg_FOUND
+# to TRUE if all listed variables are TRUE.
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Ogg
+  REQUIRED_VARS
+    Ogg_LIBRARY
+    Ogg_INCLUDE_DIR
+  VERSION_VAR
+    Ogg_VERSION)
+
+if(Ogg_FOUND)
+  set(Ogg_LIBRARIES ${Ogg_LIBRARY})
+  set(Ogg_INCLUDE_DIRS ${Ogg_INCLUDE_DIR})
+  
+  if(NOT TARGET Ogg::ogg)
+  add_library(Ogg::ogg UNKNOWN IMPORTED)
+    set_target_properties(Ogg::ogg PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${Ogg_INCLUDE_DIR}"
+      IMPORTED_LOCATION "${Ogg_LIBRARY}")
+  endif()
+endif()
+
+mark_as_advanced(Ogg_INCLUDE_DIR Ogg_LIBRARY)