#

# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

AC_DEFUN_ONCE([BDEPS_SCAN_FOR_BUILDDEPS],

[

  define(LIST_OF_BUILD_DEPENDENCIES,)

  if test "x$with_builddeps_server" != x || test "x$with_builddeps_conf" != x; then

    if test "x$with_builddeps_conf" != x; then

      AC_MSG_CHECKING([for supplied builddeps configuration file])

      builddepsfile=$with_builddeps_conf

      if test -s $builddepsfile; then

        . $builddepsfile

        AC_MSG_RESULT([loaded!])

      else

        AC_MSG_ERROR([The given builddeps conf file $with_builddeps_conf could not be loaded!])

      fi

    else

      AC_MSG_CHECKING([for builddeps.conf files in sources...])

      builddepsfile=`mktemp`

      touch $builddepsfile

      # Put all found confs into a single file.

      find ${SRC_ROOT} -name builddeps.conf -exec cat \{\} \; >> $builddepsfile

      # Source the file to acquire the variables

      if test -s $builddepsfile; then

        . $builddepsfile

        AC_MSG_RESULT([found at least one!])

      else

        AC_MSG_ERROR([Could not find any builddeps.conf at all!])

      fi

    fi

    # Create build and target names that use _ instead of "-" and ".".

    # This is necessary to use them in variable names.

    build_var=`echo ${OPENJDK_BUILD_AUTOCONF_NAME} | tr '-' '_' | tr '.' '_'`

    target_var=`echo ${OPENJDK_TARGET_AUTOCONF_NAME} | tr '-' '_' | tr '.' '_'`

    # Extract rewrite information for build and target

    eval rewritten_build=\${REWRITE_${build_var}}

    if test "x$rewritten_build" = x; then

      rewritten_build=${OPENJDK_BUILD_AUTOCONF_NAME}

      echo Build stays the same $rewritten_build

    else

      echo Rewriting build for builddeps into $rewritten_build

    fi

    eval rewritten_target=\${REWRITE_${target_var}}

    if test "x$rewritten_target" = x; then

      rewritten_target=${OPENJDK_TARGET_AUTOCONF_NAME}

      echo Target stays the same $rewritten_target

    else

      echo Rewriting target for builddeps into $rewritten_target

    fi

    rewritten_build_var=`echo ${rewritten_build} | tr '-' '_' | tr '.' '_'`

    rewritten_target_var=`echo ${rewritten_target} | tr '-' '_' | tr '.' '_'`

  fi

  AC_CHECK_PROGS(BDEPS_UNZIP, [7z unzip])

  if test "x$BDEPS_UNZIP" = x7z; then

    BDEPS_UNZIP="7z x"

  fi

  AC_CHECK_PROGS(BDEPS_FTP, [wget lftp ftp])

])

AC_DEFUN([BDEPS_FTPGET],

[

  # $1 is the ftp://abuilddeps.server.com/libs/cups.zip

  # $2 is the local file name for the downloaded file.

  VALID_TOOL=no

  if test "x$BDEPS_FTP" = xwget; then

    VALID_TOOL=yes

    wget -O $2 $1

  fi

  if test "x$BDEPS_FTP" = xlftp; then

    VALID_TOOL=yes

    lftp -c "get $1 -o $2"

  fi

  if test "x$BDEPS_FTP" = xftp; then

    VALID_TOOL=yes

    FTPSERVER=`echo $1 | cut -f 3 -d '/'`

    FTPPATH=`echo $1 | cut -f 4- -d '/'`

    FTPUSERPWD=${FTPSERVER%%@*}

    if test "x$FTPSERVER" != "x$FTPUSERPWD"; then

      FTPUSER=${userpwd%%:*}

      FTPPWD=${userpwd#*@}

      FTPSERVER=${FTPSERVER#*@}

    else

      FTPUSER=ftp

      FTPPWD=ftp

    fi

    # the "pass" command does not work on some

    # ftp clients (read ftp.exe) but if it works,

    # passive mode is better!

    ( \

        echo "user $FTPUSER $FTPPWD"        ; \

        echo "pass"                         ; \

        echo "bin"                          ; \

        echo "get $FTPPATH $2"              ; \

    ) | ftp -in $FTPSERVER

  fi

  if test "x$VALID_TOOL" != xyes; then

    AC_MSG_ERROR([I do not know how to use the tool: $BDEPS_FTP])

  fi

])

AC_DEFUN([BDEPS_CHECK_MODULE],

[

  define([LIST_OF_BUILD_DEPENDENCIES],LIST_OF_BUILD_DEPENDENCIES[$2=$3'\n'])

  if test "x$with_builddeps_server" != x || test "x$with_builddeps_conf" != x; then

    # Source the builddeps file again, to make sure it uses the latest variables!

    . $builddepsfile

    # Look for a target and build machine specific resource!

    eval resource=\${builddep_$2_BUILD_${rewritten_build_var}_TARGET_${rewritten_target_var}}

    if test "x$resource" = x; then

      # Ok, lets instead look for a target specific resource

      eval resource=\${builddep_$2_TARGET_${rewritten_target_var}}

    fi

    if test "x$resource" = x; then

      # Ok, lets instead look for a build specific resource

      eval resource=\${builddep_$2_BUILD_${rewritten_build_var}}

    fi

    if test "x$resource" = x; then

      # Ok, lets instead look for a generic resource

      # (The $2 comes from M4 and not the shell, thus no need for eval here.)

      resource=${builddep_$2}

    fi

    if test "x$resource" != x; then

      AC_MSG_NOTICE([Using builddeps $resource for $2])

      # If the resource in the builddeps.conf file is an existing directory,

      # for example /java/linux/cups

      if test -d ${resource}; then

        depdir=${resource}

      else

        BDEPS_FETCH($2, $resource, $with_builddeps_server, $with_builddeps_dir, depdir)

      fi

      # Source the builddeps file again, because in the previous command, the depdir

      # was updated to point at the current build dependency install directory.

      . $builddepsfile

      # Now extract variables from the builddeps.conf files.

      theroot=${builddep_$2_ROOT}

      thecflags=${builddep_$2_CFLAGS}

      thelibs=${builddep_$2_LIBS}

      if test "x$depdir" = x; then

        AC_MSG_ERROR([Could not download build dependency $2])

      fi

      $1=$depdir

      if test "x$theroot" != x; then

        $1="$theroot"

      fi

      if test "x$thecflags" != x; then

        $1_CFLAGS="$thecflags"

      fi

      if test "x$thelibs" != x; then

        $1_LIBS="$thelibs"

      fi

      m4_default([$4], [:])

      m4_ifvaln([$5], [else $5])

    fi

    m4_ifvaln([$5], [else $5])

  fi

])

AC_DEFUN([BDEPS_FETCH],

[

  # $1 is for example mymodule

  # $2 is for example libs/general/libmymod_1_2_3.zip

  # $3 is for example ftp://mybuilddeps.myserver.com/builddeps

  # $4 is for example /localhome/builddeps

  # $5 is the name of the variable into which we store the depdir, eg MYMOD

  # Will download ftp://mybuilddeps.myserver.com/builddeps/libs/general/libmymod_1_2_3.zip and

  # unzip into the directory: /localhome/builddeps/libmymod_1_2_3

  filename=`basename $2`

  filebase=`echo $filename | sed 's/\.[[^\.]]*$//'`

  filebase=${filename%%.*}

  extension=${filename#*.}

  installdir=$4/$filebase

  if test ! -f $installdir/$filename.unpacked; then

    AC_MSG_NOTICE([Downloading build dependency $1 from $3/$2 and installing into $installdir])

    if test ! -d $installdir; then

      mkdir -p $installdir

    fi

    if test ! -d $installdir; then

      AC_MSG_ERROR([Could not create directory $installdir])

    fi

    tmpfile=`mktemp $installdir/$1.XXXXXXXXX`

    touch $tmpfile

    if test ! -f $tmpfile; then

      AC_MSG_ERROR([Could not create files in directory $installdir])

    fi

    BDEPS_FTPGET([$3/$2] , [$tmpfile])

    mv $tmpfile $installdir/$filename

    if test ! -s $installdir/$filename; then

      AC_MSG_ERROR([Could not download $3/$2])

    fi

    case "$extension" in

      zip)  echo "Unzipping $installdir/$filename..."

        (cd $installdir ; rm -f $installdir/$filename.unpacked ; $BDEPS_UNZIP $installdir/$filename > /dev/null && touch $installdir/$filename.unpacked)

        ;;

      tar.gz) echo "Untaring $installdir/$filename..."

        (cd $installdir ; rm -f $installdir/$filename.unpacked ; tar xzf $installdir/$filename && touch $installdir/$filename.unpacked)

        ;;

      tgz) echo "Untaring $installdir/$filename..."

        (cd $installdir ; rm -f $installdir/$filename.unpacked ; tar xzf $installdir/$filename && touch $installdir/$filename.unpacked)

        ;;

      *) AC_MSG_ERROR([Cannot handle build depency archive with extension $extension])

        ;;

    esac

  fi

  if test -f $installdir/$filename.unpacked; then

    $5=$installdir

  fi

])

AC_DEFUN_ONCE([BDEPS_CONFIGURE_BUILDDEPS],

[

  AC_ARG_WITH(builddeps-conf, [AS_HELP_STRING([--with-builddeps-conf],

      [use this configuration file for the builddeps])])

  AC_ARG_WITH(builddeps-server, [AS_HELP_STRING([--with-builddeps-server],

      [download and use build dependencies from this server url])])

  AC_ARG_WITH(builddeps-dir, [AS_HELP_STRING([--with-builddeps-dir],

      [store downloaded build dependencies here @<:@/localhome/builddeps@:>@])],

      [],

      [with_builddeps_dir=/localhome/builddeps])

  AC_ARG_WITH(builddeps-group, [AS_HELP_STRING([--with-builddeps-group],

      [chgrp the downloaded build dependencies to this group])])

])