  GNU make port to mingw32
  Version: 3.81

1) Manually renamed make.exe to mingw32-make.exe.
3) Modified configury to add --enable-case-insensitive-file-system.
4) This version is compiled with case insensitivity enabled.

configure --prefix=/mingw --enable-case-insensitive-file-system &&
   make CFLAGS='-O3 -s -mms-bitfields'
