@echo off
echo Configuring GNU Tar for DJGPP v2.x...

Rem Find out where the sources are
set XSRC=.
if not "%XSRC%" == "." goto SmallEnv
if "%1" == "" goto InPlace
set XSRC=%1
if not "%XSRC%" == "%1" goto SmallEnv
redir -e /dev/null update %XSRC%/configure.orig ./configure
if not exist configure update %XSRC%/configure ./configure

:InPlace
Rem Update configuration files
echo Updating configuration scripts...
if not exist configure.orig update configure configure.orig
sed -f %XSRC%/contrib/cfgdjgpp.sed configure.orig > configure
if errorlevel 1 goto SedError

Rem Make sure they have a config.site file
set CONFIG_SITE=%XSRC%/contrib/config.site
if not "%CONFIG_SITE%" == "%XSRC%/contrib/config.site" goto SmallEnv

Rem Make sure crucial file names are not munged by unpacking
test -f %XSRC%/intl/po2tbl.sed.in
if not errorlevel 1 mv -f %XSRC%/intl/po2tbl.sed.in %XSRC%/intl/po2tblsed.in
test -f %XSRC%/intl/po2tblsed.in
if errorlevel 1 mv -f %XSRC%/intl/po2tbl.sed %XSRC%/intl/po2tblsed.in
test -f %XSRC%/po/Makefile.in-in
if errorlevel 1 mv -f %XSRC%/po/Makefile.in.in %XSRC%/po/Makefile.in-in
if exist INSTALL ren INSTALL INSTALL.txt


Rem Set HOSTNAME so it shows in config.status
if not "%HOSTNAME%" == "" goto hostdone
if "%windir%" == "" goto msdos
set OS=MS-Windows
if not "%OS%" == "MS-Windows" goto SmallEnv
goto haveos
:msdos
set OS=MS-DOS
if not "%OS%" == "MS-DOS" goto SmallEnv
:haveos
if not "%USERNAME%" == "" goto haveuname
if not "%USER%" == "" goto haveuser
echo No USERNAME and no USER found in the environment, using default values
set HOSTNAME=Unknown PC
if not "%HOSTNAME%" == "Unknown PC" goto SmallEnv
:haveuser
set HOSTNAME=%USER%'s PC
if not "%HOSTNAME%" == "%USER%'s PC" goto SmallEnv
goto userdone
:haveuname
set HOSTNAME=%USERNAME%'s PC
if not "%HOSTNAME%" == "%USERNAME%'s PC" goto SmallEnv
:userdone
set HOSTNAME=%HOSTNAME%, %OS%
if not "%HOSTNAME%" == "%HOSTNAME%, %OS%" goto SmallEnv
:hostdone
set OS=


Rem install-sh is required by the configure script but clashes with the
Rem various Makefile install-foo targets, so we MUST have it before the
Rem script runs and rename it afterwards
if not exist install-sh if exist install-sh.sh ren install-sh.sh install-sh
echo Running the ./configure script...
sh ./configure --src=%XSRC% --host=i386-pc-msdosdjgpp --disable-nls
if errorlevel 1 goto CfgError
if not exist install-sh.sh if exist install-sh ren install-sh install-sh.sh
echo Done.
goto End

:SedError
echo ./configure script editing failed!
goto End

:CfgError
echo ./configure script exited abnormally!
goto End

Rem Protect them against too small environment size
:SmallEnv
echo Your environment size is too small.  Enlarge it and run me again.

:End
set XSRC=