sub build_patform {
  my $OSVERSION='WCE300';
  my $PLATFORM='Pocket PC 2002';
  my $WCEROOT='C:\Program Files\Microsoft eMbedded Tools';
  my $SDKROOT='C:\Windows CE Tools';
  my $TARGETCPU=shift;
  $ENV{'CC'}=shift;
  $ENV{'CFG'}='none';

  $ENV{'OSVERSION'}=$OSVERSION;
  $ENV{'PLATFORM'}=$PLATFORM;
  $ENV{'WCEROOT'}=$WEBROOT;
  $ENV{'SDKROOT'}=$SDKROOT;
  $ENV{'TARGETCPU'}=$TARGETCPU;

  $ENV{'PATH'}="$WCEROOT\\COMMON\\EVC\\bin;$WCEROOT\\EVC\\$OSVERSION\\bin;$PATH";
  $ENV{'INCLUDE'}="$SDKROOT\\$OSVERSION\\$PLATFORM\\include;$SDKROOT\\$OSVERSION\\$PLATFORM\\include\\$TARGETCPU;$SDKROOT\\$OSVERSION\\$PLATFORM\\MFC\\include;$SDKROOT\\$OSVERSION\\$PLATFORM\\ATL\\include;";
  $ENV{'LIB'}="$SDKROOT\\$OSVERSION\\$PLATFORM\\lib\\$TARGETCPU;$SDKROOT\\$OSVERSION\\$PLATFORM\\MFC\\lib\\$TARGETCPU;$SDKROOT\\$OSVERSION\\$PLATFORM\\ATL\\lib\\$TARGETCPU;";
  $ENV{'WCECOMPAT'}="$BUILD\\wcecompat";

  # system "cmd";
  system "del /s /q openssl-$SSLVER";
  system "del /s /q wcecompat";
  system "..\\unzip.exe -q ..\\src\\openssl-$SSLVER.zip";
  system "..\\unzip.exe -q ..\\src\\wcecompat-$COMPATVER.zip";

  chdir 'wcecompat';
  system 'nmake';
  chdir "..\\openssl-$SSLVER";
  system 'perl Configure VC-CE';
  system 'ms\do_ms.bat';
  system 'nmake', '-f', 'ms\cedll.mak';
}

$SSLVER='0.9.8a';
$COMPATVER='1.2';
$PATH=$ENV{'PATH'};
mkdir 'build';
chdir 'build';
$BUILD=`cd`;
chomp $BUILD;

build_patform 'ARM', 'clarm.exe';