$ make
[  1%] Generating XXD for assets/icon.png
[  2%] Generating XXD for shader/common.h
[  3%] Generating XXD for shader/transSimple.frag
[  4%] Generating XXD for shader/trans.frag
[  5%] Generating XXD for shader/hue.frag
[  6%] Generating XXD for shader/sprite.frag
[  7%] Generating XXD for shader/plane.frag
[  9%] Generating XXD for shader/gray.frag
[ 10%] Generating XXD for shader/bitmapBlit.frag
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[ 12%] Generating XXD for shader/simple.frag
[ 13%] Generating XXD for shader/simpleColor.frag
[ 14%] Generating XXD for shader/simpleAlpha.frag
[ 15%] Generating XXD for shader/simpleAlphaUni.frag
[ 17%] Generating XXD for shader/flashMap.frag
[ 18%] Generating XXD for shader/minimal.vert
[ 19%] Generating XXD for shader/simple.vert
[ 20%] Generating XXD for shader/simpleColor.vert
[ 21%] Generating XXD for shader/sprite.vert
[ 22%] Generating XXD for shader/tilemap.vert
[ 23%] Generating XXD for shader/tilemapvx.vert
[ 25%] Generating XXD for shader/blur.frag
[ 26%] Generating XXD for shader/blurH.vert
[ 27%] Generating XXD for shader/blurV.vert
[ 28%] Generating XXD for shader/simpleMatrix.vert
[ 29%] Generating XXD for assets/liberation.ttf
Scanning dependencies of target mkxp
[ 30%] Building CXX object CMakeFiles/mkxp.dir/src/main.cpp.o
[ 31%] Building CXX object CMakeFiles/mkxp.dir/src/audio.cpp.o
[ 32%] Building CXX object CMakeFiles/mkxp.dir/src/bitmap.cpp.o
[ 34%] Building CXX object CMakeFiles/mkxp.dir/src/eventthread.cpp.o
[ 35%] Building CXX object CMakeFiles/mkxp.dir/src/filesystem.cpp.o
/home/edwin/MK/src/filesystem.cpp:401:8: error: ‘PHYSFS_EnumerateCallbackResult’ does not name a type; did you mean ‘PHYSFS_EnumFilesCallback’?
 static PHYSFS_EnumerateCallbackResult
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        PHYSFS_EnumFilesCallback
/home/edwin/MK/src/filesystem.cpp: In member function ‘void FileSystem::createPathCache()’:
/home/edwin/MK/src/filesystem.cpp:452:23: error: ‘cacheEnumCB’ was not declared in this scope
  PHYSFS_enumerate("", cacheEnumCB, &data);
                       ^~~~~~~~~~~
/home/edwin/MK/src/filesystem.cpp:452:23: note: suggested alternative: ‘CacheEnumData’
  PHYSFS_enumerate("", cacheEnumCB, &data);
                       ^~~~~~~~~~~
                       CacheEnumData
/home/edwin/MK/src/filesystem.cpp:452:2: error: ‘PHYSFS_enumerate’ was not declared in this scope
  PHYSFS_enumerate("", cacheEnumCB, &data);
  ^~~~~~~~~~~~~~~~
/home/edwin/MK/src/filesystem.cpp:452:2: note: suggested alternative: ‘PHYSFS_enumerateFiles’
  PHYSFS_enumerate("", cacheEnumCB, &data);
  ^~~~~~~~~~~~~~~~
  PHYSFS_enumerateFiles
/home/edwin/MK/src/filesystem.cpp: At global scope:
/home/edwin/MK/src/filesystem.cpp:463:8: error: ‘PHYSFS_EnumerateCallbackResult’ does not name a type; did you mean ‘PHYSFS_EnumFilesCallback’?
 static PHYSFS_EnumerateCallbackResult
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        PHYSFS_EnumFilesCallback
/home/edwin/MK/src/filesystem.cpp:504:8: error: ‘PHYSFS_EnumerateCallbackResult’ does not name a type; did you mean ‘PHYSFS_EnumFilesCallback’?
 static PHYSFS_EnumerateCallbackResult
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        PHYSFS_EnumFilesCallback
/home/edwin/MK/src/filesystem.cpp: In member function ‘void FileSystem::initFontSets(SharedFontState&)’:
/home/edwin/MK/src/filesystem.cpp:526:23: error: ‘findFontsFolderCB’ was not declared in this scope
  PHYSFS_enumerate("", findFontsFolderCB, &d);
                       ^~~~~~~~~~~~~~~~~
/home/edwin/MK/src/filesystem.cpp:526:2: error: ‘PHYSFS_enumerate’ was not declared in this scope
  PHYSFS_enumerate("", findFontsFolderCB, &d);
  ^~~~~~~~~~~~~~~~
/home/edwin/MK/src/filesystem.cpp:526:2: note: suggested alternative: ‘PHYSFS_enumerateFiles’
  PHYSFS_enumerate("", findFontsFolderCB, &d);
  ^~~~~~~~~~~~~~~~
  PHYSFS_enumerateFiles
/home/edwin/MK/src/filesystem.cpp: At global scope:
/home/edwin/MK/src/filesystem.cpp:559:8: error: ‘PHYSFS_EnumerateCallbackResult’ does not name a type; did you mean ‘PHYSFS_EnumFilesCallback’?
 static PHYSFS_EnumerateCallbackResult
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        PHYSFS_EnumFilesCallback
/home/edwin/MK/src/filesystem.cpp: In member function ‘void FileSystem::openRead(FileSystem::OpenHandler&, const char*)’:
/home/edwin/MK/src/filesystem.cpp:659:4: error: ‘openReadEnumCB’ was not declared in this scope
    openReadEnumCB(&data, dir, fileList[i].c_str());
    ^~~~~~~~~~~~~~
/home/edwin/MK/src/filesystem.cpp:659:4: note: suggested alternative: ‘OpenReadEnumData’
    openReadEnumCB(&data, dir, fileList[i].c_str());
    ^~~~~~~~~~~~~~
    OpenReadEnumData
/home/edwin/MK/src/filesystem.cpp:663:25: error: ‘openReadEnumCB’ was not declared in this scope
   PHYSFS_enumerate(dir, openReadEnumCB, &data);
                         ^~~~~~~~~~~~~~
/home/edwin/MK/src/filesystem.cpp:663:25: note: suggested alternative: ‘OpenReadEnumData’
   PHYSFS_enumerate(dir, openReadEnumCB, &data);
                         ^~~~~~~~~~~~~~
                         OpenReadEnumData
/home/edwin/MK/src/filesystem.cpp:663:3: error: ‘PHYSFS_enumerate’ was not declared in this scope
   PHYSFS_enumerate(dir, openReadEnumCB, &data);
   ^~~~~~~~~~~~~~~~
/home/edwin/MK/src/filesystem.cpp:663:3: note: suggested alternative: ‘PHYSFS_enumerateFiles’
   PHYSFS_enumerate(dir, openReadEnumCB, &data);
   ^~~~~~~~~~~~~~~~
   PHYSFS_enumerateFiles
CMakeFiles/mkxp.dir/build.make:262: recipe for target 'CMakeFiles/mkxp.dir/src/filesystem.cpp.o' failed
make[2]: *** [CMakeFiles/mkxp.dir/src/filesystem.cpp.o] Error 1
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/mkxp.dir/all' failed
make[1]: *** [CMakeFiles/mkxp.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2