make kaitai rekordbox code a library

This makes it easier to ignore warnings in the autogenerated code.
It also makes more sense since the `*.ksy` files are effectively
vendored and the generated C++ files are autogenerated. Both
something that doesn't belong in `src/`.

CMakeLists.txt

@@ -939,8 +939,6 @@ add_library(mixxx-lib STATIC EXCLUDE_FROM_ALL
   src/library/recording/dlgrecording.cpp
   src/library/recording/dlgrecording.ui
   src/library/recording/recordingfeature.cpp
-  src/library/rekordbox/kaitaistructs/rekordbox_anlz.cpp
-  src/library/rekordbox/kaitaistructs/rekordbox_pdb.cpp
   src/library/rekordbox/rekordboxfeature.cpp
   src/library/rhythmbox/rhythmboxfeature.cpp
   src/library/scanner/importfilestask.cpp
@@ -1576,26 +1574,6 @@ if(CMAKE_BUILD_TYPE STREQUAL "Debug")
   message(STATUS "Enabling QML Debugging! This poses a security risk as Mixxx will open a TCP port for debugging")
 endif()
 
-# Disable warnings in generated source files
-if(GNU_GCC OR LLVM_CLANG)
-  set_property(
-    SOURCE src/library/rekordbox/kaitaistructs/rekordbox_anlz.cpp
-    APPEND_STRING
-    PROPERTY COMPILE_OPTIONS -Wno-unused-parameter
-  )
-  set_property(
-    SOURCE src/library/rekordbox/kaitaistructs/rekordbox_pdb.cpp
-    APPEND_STRING
-    PROPERTY COMPILE_OPTIONS -Wno-unused-parameter -Wno-switch
-  )
-elseif(MSVC)
-  set_property(
-    SOURCE src/library/rekordbox/kaitaistructs/rekordbox_pdb.cpp
-    APPEND_STRING
-    PROPERTY COMPILE_OPTIONS /wd4244
-  )
-endif()
-
 option(WARNINGS_PEDANTIC "Let the compiler show even more warnings" OFF)
 if(MSVC)
   if(WARNINGS_PEDANTIC)
@@ -2508,12 +2486,20 @@ target_link_libraries(mixxx-lib PRIVATE FpClassify)
 find_package(mp3lame REQUIRED)
 target_link_libraries(mixxx-lib PRIVATE mp3lame::mp3lame)
 
+add_library(rekordbox_metadata STATIC EXCLUDE_FROM_ALL
+  lib/rekordbox-metadata/rekordbox_pdb.cpp
+  lib/rekordbox-metadata/rekordbox_anlz.cpp
+)
+target_include_directories(rekordbox_metadata SYSTEM PUBLIC lib/rekordbox-metadata)
+target_link_libraries(mixxx-lib PRIVATE rekordbox_metadata)
+
 # Kaitai for reading Rekordbox libraries
 add_library(Kaitai STATIC EXCLUDE_FROM_ALL
   lib/kaitai/kaitai/kaitaistream.cpp
 )
 target_include_directories(Kaitai SYSTEM PUBLIC lib/kaitai)
 target_compile_definitions(Kaitai PRIVATE KS_STR_ENCODING_NONE)
+target_link_libraries(rekordbox_metadata PRIVATE Kaitai)
 target_link_libraries(mixxx-lib PRIVATE Kaitai)
 
 # For determining MP3 timing offset cases in Rekordbox library feature

src/library/rekordbox/rekordboxfeature.cpp

@@ -1,6 +1,8 @@
 #include "library/rekordbox/rekordboxfeature.h"
 
 #include <mp3guessenc.h>
+#include <rekordbox_anlz.h>
+#include <rekordbox_pdb.h>
 
 #include <QMap>
 #include <QMessageBox>
@@ -13,8 +15,6 @@
 #include "library/dao/trackschema.h"
 #include "library/library.h"
 #include "library/queryutil.h"
-#include "library/rekordbox/kaitaistructs/rekordbox_anlz.h"
-#include "library/rekordbox/kaitaistructs/rekordbox_pdb.h"
 #include "library/rekordbox/rekordboxconstants.h"
 #include "library/trackcollection.h"
 #include "library/trackcollectionmanager.h"