dnl $Id$

dnl autoconf initialisation
AC_INIT()
WORKDIR=`pwd`
SRCDIR=$srcdir
AC_SUBST(SRCDIR)

AC_SUBST(WORKDIR)

dnl debug output
echo "file versions"
for file in ./*.in; do
  fgrep '$Id' $file | head -1 | sed -e"s/^.*: //g" | sed -e"s/200.\/.*$//g"
done
echo "configure options: $@" 
echo "working directory: $WORKDIR"
echo

dnl {{{ check for support programs

dnl {{{   check for PHP

dnl use given argument, if any, else search in path 
AC_ARG_WITH(php,
[  --with-php=PATH         look for PHP executable needed for helper scripts],
[
  if test $withval != "yes"; then
    AC_MSG_CHECKING([for php])
    if test -x $withval; then
      PHP=$withval
      AC_MSG_RESULT($PHP)
    else
      PHP=no
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([$withval: not an executable file])
    fi
  else
    if test -e ../../phpdoc-tools/php.bat ; then
      AC_MSG_CHECKING([for php])
      PHP=../../phpdoc-tools/php.bat
      AC_MSG_RESULT($PHP)
    else
      AC_PATH_PROG(PHP,"php",no)
      if test $PHP = "no"; then
        AC_PATH_PROG(PHP4,"php4",no)
        PHP=$PHP4
      fi
    fi
  fi
],[
  if test -e ../../phpdoc-tools/php.bat ; then
    AC_MSG_CHECKING([for php])
    PHP=../../phpdoc-tools/php.bat
    AC_MSG_RESULT($PHP)
  else
    AC_PATH_PROG(PHP,"php",no)
    if test $PHP = "no"; then
      AC_PATH_PROG(PHP4,"php4",no)
      PHP=$PHP4
    fi
  fi
]
)
if test $PHP = "no"; then
  AC_MSG_ERROR([no PHP binary found])
fi
AC_SUBST(PHP)

dnl }}}

dnl {{{   check for the Jade or OpenJade DSSSL parser

dnl use given argument, if any, else search in path 

AC_ARG_WITH(jade,
[  --with-jade=PATH        look for jade or openjade executable],[
  if test $withval != "yes"; then
    AC_MSG_CHECKING([for jade])
    if test -x $withval; then
      JADE=$withval
      AC_MSG_RESULT($JADE)
    else
      JADE=no
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([$withval: not an executable file])
    fi
  else
    if test -e ../../phpdoc-tools/jade/jade.exe ; then
      AC_MSG_CHECKING([for jade])
      JADE=../../phpdoc-tools/jade/jade.exe
      AC_MSG_RESULT($JADE)
    else
      AC_PATH_PROG(OPENJADE,"openjade",no)
      if test $OPENJADE = "no"; then
        AC_PATH_PROG(JADE,"jade",no)
      else
        JADE=$OPENJADE
      fi
    fi
  fi
],[
  if test -e ../../phpdoc-tools/jade/jade.exe ; then
    AC_MSG_CHECKING([for jade])
    JADE=../../phpdoc-tools/jade/jade.exe
    AC_MSG_RESULT($JADE)
  else
    AC_PATH_PROG(OPENJADE,"openjade",no)
    if test $OPENJADE = "no"; then
      AC_PATH_PROG(JADE,"jade",no)
    else
      JADE=$OPENJADE
    fi
   fi
]
)
if test $JADE = "no"; then
  AC_MSG_ERROR([can't find jade or openjade])
fi
AC_SUBST(JADE)

dnl }}}

dnl {{{   check for nsgmls or onsgmls

AC_ARG_WITH(nsgmls,
[  --with-nsgmls=PATH      look for nsgmls or onsgmls executable],[
  if test $withval != "yes"; then
    AC_MSG_CHECKING([for nsgmls])
    if test -x $withval; then
      NSGMLS=$withval
      AC_MSG_RESULT($NSGMLS)
    else
      NSGMLS=no
      AC_MSG_RESULT(no)
      AC_MSG_ERROR([$withval: not an executable file])
    fi
  else
    if test -e ../../phpdoc-tools/jade/nsgmls.exe ; then
      AC_MSG_CHECKING([for nsgmls])
      NSGMLS=../../phpdoc-tools/jade/nsgmls.exe
      AC_MSG_RESULT($NSGMLS)
    else
      AC_PATH_PROG(ONSGMLS,"onsgmls",no)
      if test $ONSGMLS = "no"; then
        AC_PATH_PROG(NSGMLS,"nsgmls",no)
      else
        NSGMLS=$ONSGMLS
      fi
    fi
  fi
],[
  if test -e ../../phpdoc-tools/jade/nsgmls.exe ; then
    AC_MSG_CHECKING([for nsgmls])
    NSGMLS=../../phpdoc-tools/jade/nsgmls.exe
    AC_MSG_RESULT($NSGMLS)
  else
    AC_PATH_PROG(ONSGMLS,"onsgmls",no)
    if test $ONSGMLS = "no"; then
      AC_PATH_PROG(NSGMLS,"nsgmls",no)
    else
      NSGMLS=$ONSGMLS
    fi
  fi
]
)
if test $NSGMLS = "no"; then
  AC_MSG_ERROR([can't find nsgmls or onsgmls])
fi
AC_SUBST(NSGMLS)

dnl }}}

dnl }}}

dnl {{{   check for catalog files

CATALOG=""

dnl iso-ents catalog file
dnl The 4.1.2 DocBook DTD also includes entity files, but they cannot be used with Jade!
if test -e ./entities/ISO/catalog
then
  CATALOG="$CATALOG -c ./entities/ISO/catalog"
fi

dnl DSSSL catalog file
if test -e ./dsssl/docbook/catalog
then
  CATALOG="$CATALOG -c ./dsssl/docbook/catalog"
fi

dnl For windows (and maybe *nix too?) users lacking catalog-files

dnl jade catalog file
# how about using JADEPATH? You should replace the last 4 chars ('jade') with catalog
# !! JADEPATH may not properly be set on windows, so do not use it !!
if test -e ../../phpdoc-tools/jade/catalog
then
  CATALOG="$CATALOG -c ../../phpdoc-tools/jade/catalog"
fi
dnl SuSE openjade setup
if test -e /usr/share/sgml/CATALOG.docbk41
then
  CATALOG="$CATALOG -c /usr/share/sgml/CATALOG.docbk41"
fi
if test -e /usr/share/sgml/CATALOG.jade_dsl
then
  CATALOG="$CATALOG -c /usr/share/sgml/CATALOG.jade_dsl"
fi

dnl As a very last option, include default catalog files from phpdoc
dnl (imported from the openjade distribution)
if test -e $srcdir/dsssl/defaults/catalog
then
  CATALOG="$CATALOG -c ./dsssl/defaults/catalog"
fi

AC_SUBST(CATALOG)

dnl }}}

dnl {{{ language specific stuff

AC_MSG_CHECKING(for language)
BUILD_DATE=`date '+%Y-%m-%d'`

AC_ARG_WITH(lang,
[  --with-lang=LANG        choose a language to work with],[
  if test "$withval" = "yes"; then
    LANG=en
    AC_MSG_RESULT([en (default)])
  else
    if test ! -d "./$withval"; then
      AC_MSG_RESULT()
      AC_MSG_ERROR(Language \"$withval\" not supported!)
    else
      LANG=$withval
      AC_MSG_RESULT($LANG)
    fi
       
    BUILD_DATE=`date '+%d-%m-%Y'`
  fi
],[
  LANG=en
  AC_MSG_RESULT([en (default)])
])
AC_SUBST(LANG)
AC_SUBST(BUILD_DATE)

case "$LANG" in
  ru) ENCODING="windows-1251";;
  *) ENCODING="ISO-8859-1";;
esac

AC_SUBST(ENCODING)

dnl }}}

dnl {{{ makefile targets for configure-generated files

rm -f autogenerated_rules
(
for file in `find . -name "*.in"`; do
  case "$file" in
    ./configure.in)
      echo  configure: configure.in
      printf '\t autoconf'
      echo
      ;;
    ./manual.xml.in)
      ;;
    *)
      echo `dirname $file`/`basename $file .in`: '$(srcdir)'/$file ./config.status
      printf '\t CONFIG_FILES=$@ CONFIG_HEADERS= ./config.status'
      echo
  esac
done
) > autogenerated_rules
AUTOGENERATED_RULES=autogenerated_rules
AC_SUBST_FILE(AUTOGENERATED_RULES)
rm -f autogenerated_rules

dnl }}}

dnl {{{ generate output files 

dnl {{{ find all *.in files and process them with AC_OUTPUT
for infile in `find $srcdir -name "*.in"` 
do 
	if test `basename $infile` != "configure.in"
	then
		outfile=`basename $infile .in`
		outdir=`dirname $infile`
		outdir=`echo $outdir/ | sed -e"s|$srcdir/||"`
		OUTFILES="$OUTFILES ./$outdir$outfile"
	fi
done
AC_OUTPUT($OUTFILES)
dnl }}}

dnl {{{ generate entity mapping file, missing entities and IDs

dnl if we have PHP use it for all of these things
if test $PHP != "no"
then

 dnl create entity mapping file 
 $PHP -q ./scripts/file-entities.php

else

  echo ERROR: configure process cannot continue, PHP is not found

fi

dnl }}}

dnl }}}