Commit 139141f8 authored by Jay Satiro's avatar Jay Satiro
Browse files

build: Generate source prerequisites for Visual Studio in generate.bat

Prior to this change Visual Studio builds could fail due to missing
prerequisites src/tool_hugehelp.c and include/curl/curlbuild.h.

http://curl.haxx.se/mail/lib-2015-04/0034.html
parent e4415515
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+116 −1
Original line number Diff line number Diff line
@@ -21,15 +21,40 @@ rem * KIND, either express or implied.
rem *
rem ***************************************************************************

rem NOTES
rem
rem Do not set %ERRORLEVEL% to anything. %ERRORLEVEL% is a special variable
rem that only contains errorlevel when %ERRORLEVEL% is not set. Same for %CD%.
rem http://blogs.msdn.com/b/oldnewthing/archive/2008/09/26/8965755.aspx
rem If you need to set the errorlevel do this instead: CALL :seterr [#]

:begin
  rem Check we are running on a Windows NT derived OS
  if not "%OS%" == "Windows_NT" goto nodos

  rem Check we are not running on a network drive
  if "%~d0."=="\\." goto nonetdrv

  rem Switch to this batch file's directory
  cd /d "%~0\.." 1>NUL 2>&1

  rem Set our variables
  setlocal
  setlocal ENABLEEXTENSIONS
  set VERSION=ALL
  set MODE=GENERATE

  rem Detect programs. HAVE_<PROGNAME>
  rem When not found the variable is set undefined. The undefined pattern
  rem allows for statements like "if not defined HAVE_PERL (command)"
  groff --version <NUL 1>NUL 2>&1
  if %ERRORLEVEL% EQU 0 (set HAVE_GROFF=Y) else (set HAVE_GROFF=)
  nroff --version <NUL 1>NUL 2>&1
  if %ERRORLEVEL% EQU 0 (set HAVE_NROFF=Y) else (set HAVE_NROFF=)
  perl --version <NUL 1>NUL 2>&1
  if %ERRORLEVEL% EQU 0 (set HAVE_PERL=Y) else (set HAVE_PERL=)
  gzip --version <NUL 1>NUL 2>&1
  if %ERRORLEVEL% EQU 0 (set HAVE_GZIP=Y) else (set HAVE_GZIP=)

  rem Display the help
  if /i "%~1" == "-?" goto syntax
  if /i "%~1" == "-h" goto syntax
@@ -62,6 +87,19 @@ rem ***************************************************************************
  shift & goto parseArgs
 
:start
  if "%MODE%" == "GENERATE" (
    echo.
    echo Generating prerequisite files
    CALL :gen_curlbuild
    if errorlevel 1 goto error
    CALL :gen_hugehelp
    if errorlevel 1 goto error
  ) else (
    echo.
    echo Removing prerequisite files
    call :clean ..\include\curl\curlbuild.h
    call :clean ..\src\tool_hugehelp.c
  )
  if "%VERSION%" == "VC6" goto vc6
  if "%VERSION%" == "VC7" goto vc7
  if "%VERSION%" == "VC7.1" goto vc71
@@ -337,6 +375,66 @@ rem

  exit /B

rem CALL this function to generate ..\src\tool_hugehelp.c
rem Returns exit code 0 on success or 1 on failure.
:gen_hugehelp
  setlocal
  set LC_ALL=C
  set ROFFCMD=
  if defined HAVE_PERL (
    if defined HAVE_GROFF (
      set ROFFCMD=groff -mtty-char -Tascii -P-c -man
    ) else if defined HAVE_NROFF (
      set ROFFCMD=nroff -c -Tascii -man
    )
  )
  echo * %CD%\..\src\tool_hugehelp.c
  echo #include "tool_setup.h"> ..\src\tool_hugehelp.c
  echo #include "tool_hugehelp.h">> ..\src\tool_hugehelp.c
  if defined ROFFCMD (
    if defined HAVE_GZIP (
      echo #ifndef HAVE_LIBZ>> ..\src\tool_hugehelp.c
    )
    %ROFFCMD% ..\docs\curl.1 2>NUL | perl ..\src\mkhelp.pl ..\docs\MANUAL >> ..\src\tool_hugehelp.c
    if defined HAVE_GZIP (
      echo #else>> ..\src\tool_hugehelp.c
      %ROFFCMD% ..\docs\curl.1 2>NUL | perl ..\src\mkhelp.pl -c ..\docs\MANUAL >> ..\src\tool_hugehelp.c
      echo #endif /^* HAVE_LIBZ ^*/>> ..\src\tool_hugehelp.c
    )
  ) else (
    echo.
    echo Warning: The curl manual could not be integrated in the source. This means when
    echo you build curl the manual will not be available (curl --man^). Integration of
    echo the manual is not required and a summary of the options will still be available
    echo (curl --help^). To integrate the manual your PATH is required to have
    echo groff/nroff, perl and optionally gzip for compression.
    echo.
    echo void hugehelp(void^)>> ..\src\tool_hugehelp.c
    echo #ifdef USE_MANUAL>> ..\src\tool_hugehelp.c
    echo { fputs("built-in manual not included\n", stdout^); }>> ..\src\tool_hugehelp.c
    echo #else>> ..\src\tool_hugehelp.c
    echo {}>> ..\src\tool_hugehelp.c
    echo #endif>> ..\src\tool_hugehelp.c
  )
  findstr "/C:void hugehelp(void)" ..\src\tool_hugehelp.c 1>NUL 2>&1
  if %ERRORLEVEL% NEQ 0 (
    echo Error: Unable to generate ..\src\tool_hugehelp.c
    exit /B 1
  )
  exit /B 0

rem CALL this function to generate ..\include\curl\curlbuild.h
rem Returns exit code 0 on success or 1 on failure.
:gen_curlbuild
  setlocal
  echo * %CD%\..\include\curl\curlbuild.h
  copy /y ..\include\curl\curlbuild.h.dist ..\include\curl\curlbuild.h 1>NUL
  if %ERRORLEVEL% NEQ 0 (
    echo Error: Unable to generate ..\include\curl\curlbuild.h
    exit /B 1
  )
  exit /B 0

:syntax
  rem Display the help
  echo.
@@ -366,6 +464,23 @@ rem
  echo Error: Only a Windows NT based Operating System is supported
  goto error

:nonetdrv
  echo.
  echo Error: This batch file cannot run from a network drive
  goto error

:seterr
  rem Set the caller's errorlevel.
  rem %1[opt]: Errorlevel as integer.
  rem If %1 is empty the errorlevel will be set to 0.
  rem If %1 is not empty and not an integer the errorlevel will be set to 1.
  setlocal
  set EXITCODE=%~1
  if not defined EXITCODE set EXITCODE=0
  echo %EXITCODE%|findstr /r "[^0-9\-]" 1>NUL 2>&1
  if %ERRORLEVEL% EQU 0 set EXITCODE=1
  exit /b %EXITCODE%

:error
  endlocal
  exit /B 1