#!/bin/sh
#             __________               __   ___.
#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
#                     \/            \/     \/    \/            \/
# $Id$
#

# global CC options for all platforms
CCOPTS="-W -Wall -O -nostdlib -ffreestanding -Wstrict-prototypes"

#
# Begin Function Definitions
#
input() {
    read response
    echo $response
}

shcc () {
 CC=sh-elf-gcc
 LD=sh-elf-ld
 AR=sh-elf-ar
 AS=sh-elf-as
 OC=sh-elf-objcopy
 GCCOPTS="$CCOPTS -m1"
}

coldfirecc () {
 CC=m68k-elf-gcc
 LD=m68k-elf-ld
 AR=m68k-elf-ar
 AS=m68k-elf-as
 OC=m68k-elf-objcopy
 GCCOPTS="$CCOPTS -m5200"
}

whichsim () {

if [ -z "$simver" ]; then

  ##################################################################
  # Figure out win32/x11 GUI
  #
  echo ""
  echo "Build (W)in32 or  (X)11 GUI version? (X)"

  option=`input`;

  case $option in
   [Ww])
     simver="win32"
     ;;
   *)
     simver="x11"
     ;;
   esac
   echo "Selected $simver simulator"
fi
}


simul () {

sed > Makefile \
 -e "s,@ROOTDIR@,${rootdir},g" \
 -e "s,@ARCHOS@,${archos},g" \
 -e "s,@DEBUG@,${debug},g" \
 -e "s,@KEYPAD@,${keypad},g" \
 -e "s,@PWD@,${pwd},g" \
 -e "s,@LANGUAGE@,${language},g" \
 -e "s,@TARGET@,${target},g" \
 -e "s,@SIMVER@,${simver},g" \
<<EOF 
## Automaticly generated. http://rockbox.haxx.se

export ARCHOS=@ARCHOS@
export ROOTDIR=@ROOTDIR@
export FIRMDIR=\$(ROOTDIR)/firmware
export APPSDIR=\$(ROOTDIR)/apps
export TOOLSDIR=\$(ROOTDIR)/tools
export DOCSDIR=\$(ROOTDIR)/docs
export APPSDIR=@ROOTDIR@/apps
export SIMDIR=\$(ROOTDIR)/uisimulator/@SIMVER@
export DEBUG=@DEBUG@
export KEYPAD=@KEYPAD@
export OBJDIR=@PWD@
export SIMVER=@SIMVER@
export TARGET=@TARGET@
export LANGUAGE=@LANGUAGE@
export VERSION=\$(shell date +%y%m%d-%H%M)

.PHONY: 

all: sim

sim:
	\$(MAKE) -C \$(SIMDIR)

clean:
	\$(MAKE) -C \$(SIMDIR) clean
	rm -rf rockbox.zip

tags:
	@rm -f TAGS
	make -C \$(SIMDIR) tags

zip:
	\$(TOOLSDIR)/buildzip.pl -r "\$(ROOTDIR)" sim\$(TARGET)

install:
	@echo "installing a full setup in your archos dir"
	@(make zip && cd archos && unzip -oq ../rockbox.zip)
EOF

  echo "Created Makefile"

  if [ -d "archos" ]; then
    echo "sub directory archos already present"
  else
    mkdir archos
    echo "created an archos subdirectory for simulating the hard disk"
  fi

}

picklang() {
    # figure out which languages that are around
    for file in $rootdir/apps/lang/*.lang; do
        clean=`echo $file | sed -e 's:.*/::g' | cut "-d." -f1`
        langs="$langs $clean"
    done

    num=1
    for one in $langs; do
        echo "$num. $one"
        num=`expr $num + 1`
    done

    read pick
    return $pick;
}

whichlang() {
    num=1
    for one in $langs; do
        if [ "$num" = "$pick" ]; then
            echo $one
            return
        fi
        num=`expr $num + 1`
    done
}

target=$1
debug=$2

if test "$1" = "--help"; then
  echo "Rockbox configure script."
  echo "Invoke this in a directory to generate a Makefile to build Rockbox"
  echo "Do *NOT* run this within the tools directory!"
  exit
fi

if test -r "configure"; then
 # this is a check for a configure script in the current directory, it there
 # is one, try to figure out if it is this one!

 if { grep "^#   Jukebox" configure >/dev/null 2>&1 ; } then
   echo "WEEEEEEEEP. Don't run this configure script within the tools directory."
   echo "It will only cause you pain and grief. Instead do this:"
   echo ""
   echo " cd .."
   echo " mkdir build-dir"
   echo " cd build-dir"
   echo " ../tools/configure"
   echo ""
   echo "Much happiness will arise from this. Enjoy"
   exit
 fi
fi

if [ "$target" = "--help" -o \
     "$target" = "-h" ]; then
  echo "Just invoke the script and answer the questions."
  echo "This script will write a Makefile for you"
  exit
fi

# get our current directory
pwd=`pwd`;

if [ "$target" = "update" ]; then
  echo "configure update is unfortunately no longer supported"
  exit
else

echo "This script will setup your Rockbox build environment."
echo "Further docs here: http://rockbox.haxx.se/docs/"
echo ""

fi

if [ -z "$rootdir" ]; then
  ##################################################################
  # Figure out where the source code root is!
  #

  firmfile="crt0.S" # a file to check for in the firmware root dir

  for dir in  . .. ../.. ../rockbox*; do
    if [ -f $dir/firmware/$firmfile ]; then
     rootdir=$dir
     break
    fi
  done

  if [ -z "$rootdir" ]; then
    echo "This script couldn't find your source code root directory. Please enter the"
    echo "full path to the source code directory here:"

    firmdir=`input`
  fi

  #####################################################################
  # Convert the possibly relative directory name to an absolute version
  #
  now=`pwd`
  cd $rootdir
  rootdir=`pwd`

  echo "Using this source code root directory:"
  echo $rootdir
  echo ""

  # cd back to the build dir
  cd $now
fi

if [ -z "$archos" ]; then

##################################################################
# Figure out target platform
#

  echo "Enter target platform: (default is Archos Recorder)"

  echo "1 - Archos Player/Studio"
  echo "2 - Archos Recorder"
  echo "3 - Archos FM Recorder"
  echo "4 - Archos Recorder v2"
  echo "7 - Archos Ondio SP"
  echo "8 - Archos Ondio FM"
  echo "9 - Iriver H100"

  getit=`input`;

  case $getit in

   1)
    archos="player"
    target="-DARCHOS_PLAYER"
    shcc
    tool="scramble"
    output="archos.mod"
    appextra="player"
    archosrom=""
    plugins="yes"
    ;;

   3)
    archos="fmrecorder"
    target="-DARCHOS_FMRECORDER"
    shcc
    tool="scramble -fm"
    output="ajbrec.ajz"
    appextra="recorder"
    archosrom="$pwd/rombox.ucl"
    plugins="yes"
    ;;

   4)
    archos="recorderv2"
    target="-DARCHOS_RECORDERV2"
    shcc
    tool="scramble -v2"
    output="ajbrec.ajz"
    appextra="recorder"
    archosrom="$pwd/rombox.ucl"
    plugins="yes"
    ;;

   7)
    archos="ondiosp"
    target="-DARCHOS_ONDIOSP"
    shcc
    tool="scramble -osp"
    output="ajbrec.ajz"
    appextra="recorder"
    archosrom=""
    plugins=""
    ;;

   8)
    archos="ondiofm"
    target="-DARCHOS_ONDIOFM"
    shcc
    tool="scramble -ofm"
    output="ajbrec.ajz"
    appextra="recorder"
    archosrom=""
    plugins=""
    ;;

   9)
    archos="h100"
    target="-DIRIVER_H100"
    memory=32 # always
    coldfirecc
    tool="not-written-yet"
    output="rockbox.iriver"
    appextra=""
    archosrom=""
    plugins="yes"
    ;;

   *)
    archos="recorder"
    target="-DARCHOS_RECORDER"
    shcc
    tool="scramble"
    output="ajbrec.ajz"
    appextra="recorder"
    archosrom="$pwd/rombox.ucl"
    plugins="yes"
    ;;

  esac

  echo "Platform set to $archos"

fi

if [ -z "$memory" ]; then
  size="2"
  if [ -z "$update" ]; then
    echo "Enter size of your RAM (in MB): (defaults to 2)"
    size=`input`;
  fi

  case $size in
   8)
    memory="8"
    ;;
   *)
    memory="2"
    ;;

  esac
  echo "Memory size selected: $memory MB"
fi

if [ -z "$debug" ]; then
  ##################################################################
  # Figure out debug on/off
  #
  echo "Build (N)ormal, (D)ebug or (S)imulated version? (N)"

  option=`input`;

  case $option in
    [Ss])
      debug="1"
      simulator="yes"
      echo "Simulator build selected"
      whichsim
      ;;
    [Dd])
      debug="1"
      echo "Debug build selected"
      GCCOPTS="$GCCOPTS -g -DDEBUG"
      ;;
    *)
      debug=""
      echo "Normal build selected"
      GCCOPTS="$GCCOPTS -fomit-frame-pointer -fschedule-insns"
      ;;

  esac
fi


if [ -z "$language" ]; then

    echo "Select a number for the language to use (default is english)"

    picklang
    language=`whichlang`

    if [ -z "$language" ]; then
        # pick a default
        language="english"
    fi
    echo "Language set to $language"
fi

if [ "yes" = "$simulator" ]; then
    # we have already dealt with the simulator Makefile separately
    simul
    exit
fi

sed > Makefile \
 -e "s,@ROOTDIR@,${rootdir},g" \
 -e "s,@DEBUG@,${debug},g" \
 -e "s,@MEMORY@,${memory},g" \
 -e "s,@TARGET@,${target},g" \
 -e "s,@ARCHOS@,${archos},g" \
 -e "s,@LANGUAGE@,${language},g" \
 -e "s,@PWD@,${pwd},g" \
 -e "s,@CC@,${CC},g" \
 -e "s,@LD@,${LD},g" \
 -e "s,@AR@,${AR},g" \
 -e "s,@AS@,${AS},g" \
 -e "s,@OC@,${OC},g" \
 -e "s,@TOOL@,${tool},g" \
 -e "s,@OUTPUT@,${output},g" \
 -e "s,@APPEXTRA@,${appextra},g" \
 -e "s,@ARCHOSROM@,${archosrom},g" \
 -e "s,@PLUGINS@,${plugins},g" \
 -e "s,@GCCOPTS@,${GCCOPTS},g" \
<<EOF 
## Automaticly generated. http://rockbox.haxx.se

export ROOTDIR=@ROOTDIR@
export FIRMDIR=\$(ROOTDIR)/firmware
export APPSDIR=\$(ROOTDIR)/apps
export TOOLSDIR=\$(ROOTDIR)/tools
export DOCSDIR=\$(ROOTDIR)/docs
export DEBUG=@DEBUG@
export ARCHOS=@ARCHOS@
export ARCHOSROM=@ARCHOSROM@
export TARGET=@TARGET@
export OBJDIR=@PWD@
export LANGUAGE=@LANGUAGE@
export MEMORYSIZE=@MEMORY@
export VERSION=\$(shell date +%y%m%d-%H%M)
export MKFIRMWARE=\$(TOOLSDIR)/@TOOL@
export BINARY=@OUTPUT@
export APPEXTRA=@APPEXTRA@
export ENABLEDPLUGINS=@PLUGINS@
export CC=@CC@
export LD=@LD@
export AR=@AR@
export AS=@AS@
export OC=@OC@
export GCCOPTS=@GCCOPTS@

.PHONY: all clean tags zip

all:
	@\$(MAKE) -C \$(FIRMDIR)
	@\$(MAKE) -C \$(APPSDIR)

clean:
	@\$(MAKE) -C \$(FIRMDIR) clean
	@\$(MAKE) -C \$(APPSDIR) clean
	@rm -f rockbox.zip TAGS

tags:
	@rm -f TAGS
	\$(MAKE) -C \$(FIRMDIR) tags
	\$(MAKE) -C \$(APPSDIR) tags
	\$(MAKE) -C \$(APPSDIR)/plugins tags
	\$(MAKE) -C \$(APPSDIR)/plugins/lib tags

zip:
	\$(TOOLSDIR)/buildzip.pl -r "\$(ROOTDIR)" \$(TARGET)
EOF

echo "Created Makefile"