Drop outdated MAD imported

cmake-proxies/cmake-modules/DependenciesList.cmake

@@ -11,15 +11,6 @@ audacity_find_package(libmp3lame REQUIRED)
 
 audacity_find_package(mpg123 OPTION_NAME libmpg123)
 
-if( NOT ${_OPT}use_libmpg123 STREQUAL "off" )
-   # If we are building against libmpg123, we need to drop
-   # the previos configuration, which may used libmad
-   set( USE_LIBMAD OFF CACHE INTERNAL "" FORCE )
-   set( ${_OPT}use_libmad "off" )
-else()
-   audacity_find_package(libmad)
-endif()
-
 audacity_find_package(libid3tag)
 
 audacity_find_package(WavPack)

src/CMakeLists.txt

@@ -591,10 +591,6 @@ list( APPEND SOURCES
          import/ImportMIDI.h
       >
 
-      $<$<BOOL:${USE_LIBMAD}>:
-         import/ImportMP3_MAD.cpp
-      >
-
       # Menus
 
       menus/ClipMenus.cpp
@@ -1054,7 +1050,6 @@ set( LIBRARIES
    PUBLIC
       ${CMAKE_REQUIRED_LIBRARIES}
       ZLIB::ZLIB
-      $<$<BOOL:${USE_LIBMAD}>:libmad::libmad>
       $<$<BOOL:${USE_LIBOPUS}>:Opus::opus>
       $<$<BOOL:${USE_MIDI}>:portmidi::portmidi>
       $<$<BOOL:${USE_MIDI}>:portsmf>
@@ -1278,7 +1273,7 @@ else()
          audio/x-flac
       )
    endif()
-   if( USE_LIBMAD OR USE_LIBMPG123)
+   if( USE_LIBMPG123)
       list( APPEND MIMETYPES
          audio/mpeg
       )

src/audacity_config.h.in

@@ -60,9 +60,6 @@
 /* Define if libid3tag is present */
 #cmakedefine USE_LIBID3TAG 1
 
-/* Define if mp3 support is implemented with the libmad library */
-#cmakedefine USE_LIBMAD 1
-
 /* Define if mp3 support is implemented with the libmpg123 library */
 #cmakedefine USE_LIBMPG123 1