MSVC tools build fails:

C:\emu\mess>make tools
Linking imgtool.exe...
libformats.a(ti99_dsk.o) : error LNK2019: unresolved external symbol "void * __cdecl malloc_file_line(unsigned int,char const *,int)" (?malloc_file_line@@YAPAXIPBDH@Z) referenced in function "void * __cdecl operator new(unsigned int)" (??2@YAPAXI@Z)
libformats.a(ti99_dsk.o) : error LNK2019: unresolved external symbol "void __cdecl free_file_line(void *,char const *,int)" (?free_file_line@@YAXPAXPBDH@Z) referenced in function "void __cdecl operator delete(void *)" (??3@YAXPAX@Z)
libformats.a(ti99_dsk.o) : error LNK2019: unresolved external symbol "void * __cdecl malloc_array_file_line(unsigned int,char const *,int)" (?malloc_array_file_line@@YAPAXIPBDH@Z) referenced in function "int __cdecl ti99_tdf_guess_geometry(
struct _floppy_image *,unsigned __int64,struct ti99dsk_geometry *)" (?ti99_tdf_guess_geometry@@YAHPAU_floppy_image@@_KPAUti99dsk_geometry@@@Z)
imgtool.exe : fatal error LNK1120: 3 unresolved externals
make: *** [imgtool.exe] Error 1120