Would not compile on WIN10 with any Mingw/msys - error: unknown type name...

if test "${HAVE_INT32_T}" = yes; then  AC_DEFINE(A_UINT32_T,unsigned int32_t) else  if test "${ac_cv_sizeof_unsigned_short}" = "4"; then  AC_DEFINE(A_UINT32_T,unsigned short)  else  if test "${ac_cv_sizeof_unsigned_int}" = "4"; then  AC_DEFINE(A_UINT32_T,unsigned int)  else  if test "${ac_cv_sizeof_unsigned_long}" = "4"; then  AC_DEFINE(A_UINT32_T,unsigned long)  else  AC_MSG_ERROR([CHECK_TYPE_uint32_t - please report to lame-dev@lists.sourceforge.net])  fi  fi  fi fi AH_VERBATIM([HAVE_UINT32_T], [/* add uint32_t type */ #undef HAVE_UINT32_T #ifndef HAVE_UINT32_T #undef A_UINT32_T  typedef A_UINT32_T uint32_t; #endif]) if test "${ac_cv_sizeof_short}" = "4"; then  AC_DEFINE(A_INT32_T,short) else  if test "${ac_cv_sizeof_int}" = "4"; then  AC_DEFINE(A_INT32_T,int)  else  if test "${ac_cv_sizeof_long}" = "4"; then  AC_DEFINE(A_INT32_T,long)  else  AC_MSG_ERROR([CHECK_TYPE_int32_t - please report to lame-dev@lists.sourceforge.net])  fi  fi fi AH_VERBATIM([HAVE_INT32_T], [/* add int32_t type */ #undef HAVE_INT32_T #ifndef HAVE_INT32_T #undef A_INT32_T  typedef A_INT32_T int32_t; #endif]) if test "${HAVE_INT64_T}" = yes; then  AC_DEFINE(A_UINT64_T,unsigned int64_t) else  if test "${ac_cv_sizeof_unsigned_int}" = "8"; then  AC_DEFINE(A_UINT64_T,unsigned int)  else  if test "${ac_cv_sizeof_unsigned_long}" = "8"; then  AC_DEFINE(A_UINT64_T,unsigned long)  else  if test "${ac_cv_sizeof_unsigned_long_long}" = "8"; then  AC_DEFINE(A_UINT64_T,unsigned long long)  else  AC_MSG_ERROR([CHECK_TYPE_uint64_t - please report to lame-dev@lists.sourceforge.net])  fi  fi  fi fi AH_VERBATIM([HAVE_UINT64_T], [/* add uint64_t type */ #undef HAVE_UINT64_T #ifndef HAVE_UINT64_T #undef A_UINT64_T  typedef A_UINT64_T uint64_t; #endif]) if test "${ac_cv_sizeof_int}" = "8"; then  AC_DEFINE(A_INT64_T,int) else  if test "${ac_cv_sizeof_long}" = "8"; then  AC_DEFINE(A_INT64_T,long)  else  if test "${ac_cv_sizeof_long_long}" = "8"; then  AC_DEFINE(A_INT64_T,long long)  else  AC_MSG_ERROR([CHECK_TYPE_int64_t - please report to lame-dev@lists.sourceforge.net])  fi  fi fi AH_VERBATIM([HAVE_INT64_T], [/* add int64_t type */ #undef HAVE_INT64_T #ifndef HAVE_INT64_T #undef A_INT64_T  typedef A_INT64_T int64_t; #endif])