build: Added batch wrapper to checksrc.pl

VC_DIST = projects/README	\

 projects/build-openssl.bat	\

 projects/checksrc.bat	\

 projects/Windows/VC6/curl.dsw	\

 projects/Windows/VC6/lib/libcurl.dsw $(VC6_LIBDSP)	\

 projects/Windows/VC6/src/curlsrc.dsw $(VC6_SRCDSP)	\

@echo off

rem ***************************************************************************

rem *                                  _   _ ____  _

rem *  Project                     ___| | | |  _ \| |

rem *                             / __| | | | |_) | |

rem *                            | (__| |_| |  _ <| |___

rem *                             \___|\___/|_| \_\_____|

rem *

rem * Copyright (C) 2014, Steve Holme, <steve_holme@hotmail.com>.

rem *

rem * This software is licensed as described in the file COPYING, which

rem * you should have received as part of this distribution. The terms

rem * are also available at http://curl.haxx.se/docs/copyright.html.

rem *

rem * You may opt to use, copy, modify, merge, publish, distribute and/or sell

rem * copies of the Software, and permit persons to whom the Software is

rem * furnished to do so, under the terms of the COPYING file.

rem *

rem * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY

rem * KIND, either express or implied.

rem *

rem ***************************************************************************

:begin

  rem Check we are running on a Windows NT derived OS

  if not "%OS%" == "Windows_NT" goto nodos

  setlocal

  rem Display the help

  if /i "%~1" == "-?" goto syntax

  if /i "%~1" == "-h" goto syntax

  if /i "%~1" == "-help" goto syntax

:prerequisites

  rem Check we have Perl installed

  if not exist "C:\Perl" (

    if not exist "C:\Perl64" goto noperl

  )

:configure

  if "%1" == "" set SRC_DIR=..

  if not "%1" == "" set SRC_DIR=%~1%

  if not exist "%SRC_DIR%" goto nosrc

:start

  for /F %%i in ('dir %SRC_DIR%\src\*.c.* /b') do @perl %SRC_DIR%\lib\checksrc.pl -D%SRC_DIR%\src %%i

  for /F %%i in ('dir %SRC_DIR%\src\*.h.* /b') do @perl %SRC_DIR%\lib\checksrc.pl -D%SRC_DIR%\src %%i

  for /F %%i in ('dir %SRC_DIR%\lib\*.c.* /b') do @perl %SRC_DIR%\lib\checksrc.pl -D%SRC_DIR%\lib %%i

  for /F %%i in ('dir %SRC_DIR%\lib\*.h.* /b') do @perl %SRC_DIR%\lib\checksrc.pl -D%SRC_DIR%\lib -Wcurl_config.h.cmake %%i

  goto success

:syntax

  rem Display the help

  echo.

  echo Usage: checksrc [directory]

  echo.

  echo directory - Specifies the curl source directory

  goto success

:nodos

  echo.

  echo Error: Only a Windows NT based Operating System is supported

  goto error

:noperl

  echo.

  echo Error: Perl is not installed

  goto error

:nosrc

  echo.

  echo Error: "%SRC_DIR%" does not exist

  goto error

:error

  if "%OS%" == "Windows_NT" endlocal

  exit /B 1

:success

  endlocal

  exit /B 0