build: Added optional specific version generation of VC project files

..when working from the git repository. This is particularly useful
for single development environments where the project files for all
supported versions of Visual Studio may not be required.

projects/generate.bat

@@ -21,46 +21,98 @@ rem * KIND, either express or implied.
 rem *
 rem ***************************************************************************
 
-echo Generating VC6 project files
+:begin
-call :generate dsp Windows\VC6\src\curlsrc.tmpl Windows\VC6\src\curlsrc.dsp
+  rem Check we are running on a Windows NT derived OS
-call :generate dsp Windows\VC6\lib\libcurl.tmpl Windows\VC6\lib\libcurl.dsp
+  if not "%OS%" == "Windows_NT" goto nodos
+  setlocal
 
-echo.
+  rem Display the help
-echo Generating VC7 project files
+  if /i "%~1" == "-?" goto syntax
-call :generate vcproj1 Windows\VC7\src\curlsrc.tmpl Windows\VC7\src\curlsrc.vcproj
+  if /i "%~1" == "-h" goto syntax
-call :generate vcproj1 Windows\VC7\lib\libcurl.tmpl Windows\VC7\lib\libcurl.vcproj
+  if /i "%~1" == "-help" goto syntax
 
-echo.
+:parseArgs
-echo Generating VC7.1 project files
+  if "%~1" == "" goto all
-call :generate vcproj1 Windows\VC7.1\src\curlsrc.tmpl Windows\VC7.1\src\curlsrc.vcproj
-call :generate vcproj1 Windows\VC7.1\lib\libcurl.tmpl Windows\VC7.1\lib\libcurl.vcproj
 
-echo.
+  if /i "%~1" == "vc6" (
-echo Generating VC8 project files
+    goto vc6
-call :generate vcproj2 Windows\VC8\src\curlsrc.tmpl Windows\VC8\src\curlsrc.vcproj
+  ) else if /i "%~1" == "vc7" (
-call :generate vcproj2 Windows\VC8\lib\libcurl.tmpl Windows\VC8\lib\libcurl.vcproj
+    goto vc7
+  ) else if /i "%~1" == "vc7.1" (
+    goto vc71
+  ) else if /i "%~1" == "vc8" (
+    goto vc8
+  ) else if /i "%~1" == "vc9" (
+    goto vc9
+  ) else if /i "%~1" == "vc10" (
+    goto vc10
+  ) else if /i "%~1" == "vc11" (
+    goto vc11
+  ) else if /i "%~1" == "vc12" (
+    goto vc12
+  ) else (
+    goto unknown
+  )
 
-echo.
+:all
-echo Generating VC9 project files
+  set ALL=true
-call :generate vcproj2 Windows\VC9\src\curlsrc.tmpl Windows\VC9\src\curlsrc.vcproj
-call :generate vcproj2 Windows\VC9\lib\libcurl.tmpl Windows\VC9\lib\libcurl.vcproj
 
-echo.
+:vc6
-echo Generating VC10 project files
+  echo.
-call :generate vcxproj Windows\VC10\src\curlsrc.tmpl Windows\VC10\src\curlsrc.vcxproj
+  echo Generating VC6 project files
-call :generate vcxproj Windows\VC10\lib\libcurl.tmpl Windows\VC10\lib\libcurl.vcxproj
+  call :generate dsp Windows\VC6\src\curlsrc.tmpl Windows\VC6\src\curlsrc.dsp
+  call :generate dsp Windows\VC6\lib\libcurl.tmpl Windows\VC6\lib\libcurl.dsp
+  if not "%ALL%" == "true" goto success
 
-echo.
+:vc7
-echo Generating VC11 project files
+  echo.
-call :generate vcxproj Windows\VC11\src\curlsrc.tmpl Windows\VC11\src\curlsrc.vcxproj
+  echo Generating VC7 project files
-call :generate vcxproj Windows\VC11\lib\libcurl.tmpl Windows\VC11\lib\libcurl.vcxproj
+  call :generate vcproj1 Windows\VC7\src\curlsrc.tmpl Windows\VC7\src\curlsrc.vcproj
+  call :generate vcproj1 Windows\VC7\lib\libcurl.tmpl Windows\VC7\lib\libcurl.vcproj
+  if not "%ALL%" == "true" goto success
 
-echo.
+:vc71
-echo Generating VC12 project files
+  echo.
-call :generate vcxproj Windows\VC12\src\curlsrc.tmpl Windows\VC12\src\curlsrc.vcxproj
+  echo Generating VC7.1 project files
-call :generate vcxproj Windows\VC12\lib\libcurl.tmpl Windows\VC12\lib\libcurl.vcxproj
+  call :generate vcproj1 Windows\VC7.1\src\curlsrc.tmpl Windows\VC7.1\src\curlsrc.vcproj
+  call :generate vcproj1 Windows\VC7.1\lib\libcurl.tmpl Windows\VC7.1\lib\libcurl.vcproj
+  if not "%ALL%" == "true" goto success
 
-goto exit
+:vc8
+  echo.
+  echo Generating VC8 project files
+  call :generate vcproj2 Windows\VC8\src\curlsrc.tmpl Windows\VC8\src\curlsrc.vcproj
+  call :generate vcproj2 Windows\VC8\lib\libcurl.tmpl Windows\VC8\lib\libcurl.vcproj
+  if not "%ALL%" == "true" goto success
+
+:vc9
+  echo.
+  echo Generating VC9 project files
+  call :generate vcproj2 Windows\VC9\src\curlsrc.tmpl Windows\VC9\src\curlsrc.vcproj
+  call :generate vcproj2 Windows\VC9\lib\libcurl.tmpl Windows\VC9\lib\libcurl.vcproj
+  if not "%ALL%" == "true" goto success
+
+:vc10
+  echo.
+  echo Generating VC10 project files
+  call :generate vcxproj Windows\VC10\src\curlsrc.tmpl Windows\VC10\src\curlsrc.vcxproj
+  call :generate vcxproj Windows\VC10\lib\libcurl.tmpl Windows\VC10\lib\libcurl.vcxproj
+  if not "%ALL%" == "true" goto success
+
+:vc11
+  echo.
+  echo Generating VC11 project files
+  call :generate vcxproj Windows\VC11\src\curlsrc.tmpl Windows\VC11\src\curlsrc.vcxproj
+  call :generate vcxproj Windows\VC11\lib\libcurl.tmpl Windows\VC11\lib\libcurl.vcxproj
+  if not "%ALL%" == "true" goto success
+
+:vc12
+  echo.
+  echo Generating VC12 project files
+  call :generate vcxproj Windows\VC12\src\curlsrc.tmpl Windows\VC12\src\curlsrc.vcxproj
+  call :generate vcxproj Windows\VC12\lib\libcurl.tmpl Windows\VC12\lib\libcurl.vcxproj
+
+  goto success
 
 rem Main generate function.
 rem
@@ -191,6 +243,37 @@ rem
   set %2=%ename%
   exit /B
 
-:exit
+:syntax
+  rem Display the help
   echo.
-  pause
+  echo Usage: generate [compiler]
+  echo.
+  echo Compiler:
+  echo.
+  echo vc6       - Use Visual Studio 6
+  echo vc7       - Use Visual Studio .NET
+  echo vc7.1     - Use Visual Studio .NET 2003
+  echo vc8       - Use Visual Studio 2005
+  echo vc9       - Use Visual Studio 2008
+  echo vc10      - Use Visual Studio 2010
+  echo vc11      - Use Visual Studio 2012
+  echo vc12      - Use Visual Studio 2013
+  goto error
+
+:unknown
+  echo.
+  echo Error: Unknown argument '%1'
+  goto error
+
+:nodos
+  echo.
+  echo Error: Only a Windows NT based Operating System is supported
+  goto error
+
+:error
+  endlocal
+  exit /B 1
+
+:success
+  endlocal
+  exit /B 0