buildconf.bat: Added full generation of src\tool_hugehelp.c

Added support for generating the full man page based on code from
generate.bat.

buildconf.bat

@@ -75,9 +75,11 @@ rem snapshot archives.
     echo Generating prerequisite files
 
     call :generate
-    if errorlevel 3 goto nogencurlbuild
+    if errorlevel 4 goto nogencurlbuild
-    if errorlevel 2 goto nogenhugehelp
+    if errorlevel 3 goto nogenhugehelp
-    if errorlevel 1 goto nogenmakefile
+    if errorlevel 2 goto nogenmakefile
+    if errorlevel 1 goto warning
+
   ) else (
     echo.
     echo Removing prerequisite files
@@ -95,35 +97,44 @@ rem
 rem Returns:
 rem
 rem 0 - success
-rem 1 - failure to generate Makefile
+rem 1 - success with simplified tool_hugehelp.c 
-rem 2 - failure to generate tool_hugehelp.c
+rem 2 - failure to generate Makefile
-rem 3 - failure to generate curlbuild.h
+rem 3 - failure to generate tool_hugehelp.c
+rem 4 - failure to generate curlbuild.h
 rem
 :generate
+  if "%OS%" == "Windows_NT" setlocal
+  set BASIC_HUGEHELP=0
+
   rem create Makefile
   if exist Makefile.dist (
     echo * %CD%\Makefile
     copy /Y Makefile.dist Makefile 1>NUL 2>&1
     if errorlevel 1 (
-      exit /B 1
+      if "%OS%" == "Windows_NT" endlocal
+      exit /B 2
     )
   )
 
   rem create tool_hugehelp.c
-  if exist src\tool_hugehelp.c.cvs (
   echo * %CD%\src\tool_hugehelp.c
-    copy /Y src\tool_hugehelp.c.cvs src\tool_hugehelp.c 1>NUL 2>&1
+  call :genHugeHelp
+  if errorlevel 2 (
+    if "%OS%" == "Windows_NT" endlocal
+    exit /B 3
+  )
   if errorlevel 1 (
-      exit /B 2
+    set BASIC_HUGEHELP=1
-    )
   )
+  cmd /c exit 0
 
   rem create curlbuild.h
   if exist include\curl\curlbuild.h.dist (
     echo * %CD%\include\curl\curlbuild.h
     copy /Y include\curl\curlbuild.h.dist include\curl\curlbuild.h 1>NUL 2>&1
     if errorlevel 1 (
-      exit /B 3
+      if "%OS%" == "Windows_NT" endlocal
+      exit /B 4
     )
   )
 
@@ -136,6 +147,12 @@ rem
     cd ..
   )
 
+  if "%BASIC_HUGEHELP%" == "1" (
+    if "%OS%" == "Windows_NT" endlocal
+    exit /B 1
+  )
+
+  if "%OS%" == "Windows_NT" endlocal
   exit /B 0
 
 rem Main clean function.
@@ -169,9 +186,77 @@ rem
     del include\curl\curlbuild.h 2>NUL
     if exist include\curl\curlbuild.h (
       exit /B 3
+    /)
+  )
+
+  exit /B
+
+rem Function to generate src\tool_hugehelp.c
+rem
+rem Returns:
+rem
+rem 0 - full tool_hugehelp.c generated
+rem 1 - simplified tool_hugehelp.c
+rem 2 - failure
+rem
+:genHugeHelp
+  if "%OS%" == "Windows_NT" setlocal
+  set LC_ALL=C
+  set ROFFCMD=
+  set BASIC=1
+
+  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
     )
   )
 
+  if defined ROFFCMD (
+    echo #include "tool_setup.h"> src\tool_hugehelp.c
+    echo #include "tool_hugehelp.h">> src\tool_hugehelp.c 
+
+    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
+    )
+
+    set BASIC=0
+  ) else (
+    if exist src\tool_hugehelp.c.cvs (
+      copy /Y src\tool_hugehelp.c.cvs src\tool_hugehelp.c 1>NUL 2>&1
+    ) else (
+      echo #include "tool_setup.h"> src\tool_hugehelp.c
+      echo #include "tool_hugehelp.hd">> src\tool_hugehelp.c
+      echo.>> src\tool_hugehelp.c
+      echo void hugehelp(void^)>> src\tool_hugehelp.c
+      echo {>> 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 #endif>> src\tool_hugehelp.c
+      echo }>> src\tool_hugehelp.c
+    )
+  )
+
+  findstr "/C:void hugehelp(void)" src\tool_hugehelp.c 1>NUL 2>&1
+  if errorlevel 1 (
+    if "%OS%" == "Windows_NT" endlocal
+    exit /B 2
+  )
+
+  if "%BASIC%" == "1" (
+    if "%OS%" == "Windows_NT" endlocal
+    exit /B 1
+  )
+
+  if "%OS%" == "Windows_NT" endlocal
   exit /B 0
 
 rem Function to clean-up local variables under DOS, Windows 3.x and
@@ -183,6 +268,10 @@ rem
   set HAVE_NROFF=
   set HAVE_PERL=
   set HAVE_GZIP=
+  set BASIC_HUGEHELP=
+  set LC_ALL
+  set ROFFCMD=
+  set BASIC=
 
   exit /B
 
@@ -234,6 +323,16 @@ rem
   echo Error: Unable to clean include\curl\curlbuild.h
   goto error
 
+:warning
+  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.
+  goto success
+
 :error
   if "%OS%" == "Windows_NT" (
     endlocal