I got the following errors when I try to build with the latest Flutter sdk. I think the version of ffi which is used in lite is old.
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5471:7: Error: Struct '__fsid_t' is empty. Empty structs are undefined behavior.
ERROR: class __fsid_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5473:7: Error: Struct 'dirent' is empty. Empty structs are undefined behavior.
ERROR: class dirent extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5475:7: Error: Struct '__dirstream' is empty. Empty structs are undefined behavior.
ERROR: class __dirstream extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5502:7: Error: Struct 'stat' is empty. Empty structs are undefined behavior.
ERROR: class stat extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5504:7: Error: Struct 'siginfo_t' is empty. Empty structs are undefined behavior.
ERROR: class siginfo_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5506:7: Error: Struct 'sigevent' is empty. Empty structs are undefined behavior.
ERROR: class sigevent extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5508:7: Error: Struct 'sigevent_t' is empty. Empty structs are undefined behavior.
ERROR: class sigevent_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5510:7: Error: Struct 'sigaction' is empty. Empty structs are undefined behavior.
ERROR: class sigaction extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5512:7: Error: Struct '_fpx_sw_bytes' is empty. Empty structs are undefined behavior.
ERROR: class _fpx_sw_bytes extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5514:7: Error: Struct '_fpreg' is empty. Empty structs are undefined behavior.
ERROR: class _fpreg extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5516:7: Error: Struct '_fpxreg' is empty. Empty structs are undefined behavior.
ERROR: class _fpxreg extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5518:7: Error: Struct '_xmmreg' is empty. Empty structs are undefined behavior.
ERROR: class _xmmreg extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5520:7: Error: Struct '_fpstate' is empty. Empty structs are undefined behavior.
ERROR: class _fpstate extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5522:7: Error: Struct 'sigcontext' is empty. Empty structs are undefined behavior.
ERROR: class sigcontext extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5524:7: Error: Struct '_xsave_hdr' is empty. Empty structs are undefined behavior.
ERROR: class _xsave_hdr extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5526:7: Error: Struct '_ymmh_state' is empty. Empty structs are undefined behavior.
ERROR: class _ymmh_state extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5528:7: Error: Struct '_xstate' is empty. Empty structs are undefined behavior.
ERROR: class _xstate extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5540:7: Error: Struct '_libc_fpxreg' is empty. Empty structs are undefined behavior.
ERROR: class _libc_fpxreg extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5542:7: Error: Struct '_libc_xmmreg' is empty. Empty structs are undefined behavior.
ERROR: class _libc_xmmreg extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5544:7: Error: Struct '_libc_fpstate' is empty. Empty structs are undefined behavior.
ERROR: class _libc_fpstate extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5546:7: Error: Struct 'mcontext_t' is empty. Empty structs are undefined behavior.
ERROR: class mcontext_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5559:7: Error: Struct 'ucontext_t' is empty. Empty structs are undefined behavior.
ERROR: class ucontext_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5568:7: Error: Struct '__pthread_rwlock_arch_t' is empty. Empty structs are undefined behavior.
ERROR: class __pthread_rwlock_arch_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5582:7: Error: Struct '__pthread_mutex_s' is empty. Empty structs are undefined behavior.
ERROR: class __pthread_mutex_s extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5584:7: Error: Struct '__pthread_cond_s' is empty. Empty structs are undefined behavior.
ERROR: class __pthread_cond_s extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5586:7: Error: Struct '_IO_FILE' is empty. Empty structs are undefined behavior.
ERROR: class _IO_FILE extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5588:7: Error: Struct '__mbstate_t' is empty. Empty structs are undefined behavior.
ERROR: class __mbstate_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5590:7: Error: Struct '_G_fpos_t' is empty. Empty structs are undefined behavior.
ERROR: class _G_fpos_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5592:7: Error: Struct '_G_fpos64_t' is empty. Empty structs are undefined behavior.
ERROR: class _G_fpos64_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5594:7: Error: Struct '_IO_jump_t' is empty. Empty structs are undefined behavior.
ERROR: class _IO_jump_t extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5612:7: Error: Struct '_IO_FILE_plus' is empty. Empty structs are undefined behavior.
ERROR: class _IO_FILE_plus extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5652:7: Error: Struct 'fd_set' is empty. Empty structs are undefined behavior.
ERROR: class fd_set extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5673:7: Error: Struct 'drand48_data' is empty. Empty structs are undefined behavior.
ERROR: class drand48_data extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5675:7: Error: Struct '__locale_data' is empty. Empty structs are undefined behavior.
ERROR: class __locale_data extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5677:7: Error: Struct '__locale_struct' is empty. Empty structs are undefined behavior.
ERROR: class __locale_struct extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5693:7: Error: Struct 'termio' is empty. Empty structs are undefined behavior.
ERROR: class termio extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/git/pty-798e2ac6a56c6760a6cb8f985794d554e7b50a9b/lib/src/unistd.dart:5695:7: Error: Struct 'rusage' is empty. Empty structs are undefined behavior.
ERROR: class rusage extends ffi.Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf8.dart:23:7: Error: Struct 'Utf8' is empty. Empty structs are undefined behavior.
ERROR: class Utf8 extends Struct {
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf16.dart:16:7: Error: Struct 'Utf16' is empty. Empty structs are undefined behavior.
ERROR: class Utf16 extends Struct {
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:1083:7: Error: Struct 'ENUMLOGFONTEX' is empty. Empty structs are undefined behavior.
ERROR: class ENUMLOGFONTEX extends Struct {
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2807:7: Error: Struct 'BLUETOOTH_PIN_INFO' is empty. Empty structs are undefined behavior.
ERROR: class BLUETOOTH_PIN_INFO extends Struct {
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2932:7: Error: Struct 'EXCEPINFO' is empty. Empty structs are undefined behavior.
ERROR: class EXCEPINFO extends Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2938:7: Error: Struct 'PROPERTYKEY' is empty. Empty structs are undefined behavior.
ERROR: class PROPERTYKEY extends Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2945:7: Error: Struct 'PROPVARIANT' is empty. Empty structs are undefined behavior.
ERROR: class PROPVARIANT extends Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2950:7: Error: Struct 'SAFEARRAY' is empty. Empty structs are undefined behavior.
ERROR: class SAFEARRAY extends Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2957:7: Error: Struct 'CLSID' is empty. Empty structs are undefined behavior.
ERROR: class CLSID extends Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2964:7: Error: Struct 'STATSTG' is empty. Empty structs are undefined behavior.
ERROR: class STATSTG extends Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/win32-1.7.3/lib/src/structs.dart:2971:7: Error: Struct 'NLM_SIMULATED_PROFILE_INFO' is empty. Empty structs are undefined behavior.
ERROR: class NLM_SIMULATED_PROFILE_INFO extends Struct {}
ERROR: ^
ERROR: ../.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/allocation.dart:47:33: Error: Expected type 'T' to be a valid and instantiated subtype of 'NativeType'.
ERROR: final int totalSize = count * sizeOf<T>();
ERROR: ^
Building Linux application...
Build process failed
I got the following errors when I try to build with the latest Flutter sdk. I think the version of ffi which is used in lite is old.