#!/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
}

prefixtools () {
 prefix="$1"
 CC=${prefix}gcc
 WINDRES=${prefix}windres
 DLLTOOL=${prefix}dlltool
 DLLWRAP=${prefix}dllwrap
 RANLIB=${prefix}ranlib
 LD=${prefix}ld
 AR=${prefix}ar
 AS=${prefix}as
 OC=${prefix}objcopy
}

crosswincc () {
 # naive approach to selecting a mingw cross-compiler on linux/*nix
 echo "Enabling win32 crosscompiling"

 prefixtools i586-mingw32msvc-

 LDOPTS="-lgdi32 -luser32 -mwindows"
 # add cross-compiler option(s)
 GCCOPTS="$GCCOPTS -mno-cygwin"

 output="rockboxui.exe" # use this as output binary name
}

simcc () {

 # default tool setup for native building
 prefixtools ""

 GCCOPTS='-W -Wall -g -fno-builtin'

 output="rockboxui" # use this as default output binary name

 case $uname in
   CYGWIN*)
   echo "Cygwin host detected"

   if [ "$simver" = "win32" ]; then
       # win32 version
       GCCOPTS="$GCCOPTS -mno-cygwin -DNOCYGWIN"
       LDOPTS="-lgdi32 -luser32 -mno-cygwin"
   else
       # x11 version
       GCCOPTS="$GCCOPTS"
       LDOPTS='-L/usr/X11R6/lib -lSM -lICE -lXt -lX11 -lXmu -lSM -lICE -lX11 -lpthread'
   fi
   output="rockboxui.exe" # use this as output binary name
   ;;

   Linux)
   echo "Linux host detected"
   GCCOPTS="$GCCOPTS"
   LDOPTS='-L/usr/X11R6/lib -lX11 -lm -lXt -lXmu -lnsl -ldl -lpthread'
   if [ "$simver" = "win32" ]; then
     crosswincc # setup cross-compiler
   fi
   ;;

   FreeBSD)
   echo "FreeBSD host detected"
   LDOPTS='-L/usr/X11R6/lib -lX11 -lm -lXt -lXmu -dl -lpthread'
   if [ "$simver" = "win32" ]; then
     crosswincc # setup cross-compiler
   fi
   ;;

   *)
   echo "Unsupported system: $uname, fix configure and retry"
   exit
   ;;
 esac
}

shcc () {
 prefixtools sh-elf-
 GCCOPTS="$CCOPTS -m1"
 GCCOPTIMIZE="-fomit-frame-pointer -fschedule-insns"
}

calmrisccc () {
 prefixtools calmrisc16-unknown-elf-
 GCCOPTS="-Wl\,--no-check-sections $CCOPTS"
 GCCOPTIMIZE="-fomit-frame-pointer"
}

coldfirecc () {
 prefixtools m68k-elf-
 GCCOPTS="$CCOPTS -g -m5200 -Wa\,-m5249 -malign-int -mstrict-align"
 GCCOPTIMIZE="-fomit-frame-pointer"
}

whichaddr () {
    case $archos in
    gmini120|gminisp)
	echo ""
	echo "Where do you want the firmware to be flashed?"
	echo "WARNING: Do not answer this question lightly,"
	echo "unless you don't plan to flash your gmini."
	echo "In this case, reply '0x10000' (no quotes) and "
	echo "re-configure when you know better."
	loadaddress=`input`

        if [ "0$loadaddress" = "0" ]; then
            #default
            loadaddress="0x10000";
        fi
        echo "You selected $loadaddress"
	;;
    *)
	;;
    esac
}

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"

     WINDRES=windres
     DLLTOOL=dlltool
     DLLWRAP=dllwrap

     # make sure the code knows this is for win32
     extradefines="$extradefines -DWIN32"
     ;;
   *)
     simver="x11"
     ;;
   esac
   echo "Selected $simver simulator"
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://www.rockbox.org/"
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


appsdir='\$(ROOTDIR)/apps'

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 "5 - Archos Gmini 120"
  echo "6 - Archos Gmini SP"
  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="$rootdir/tools/scramble"
    output="archos.mod"
    appextra="player"
    archosrom="$pwd/rombox.ucl"
    flash="$pwd/rockbox.ucl"
    plugins="yes"
    codecs=""
    ;;

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

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

   5)
    archos="gmini120"
    target="-DARCHOS_GMINI120"
    memory=16 # fixed size (16 is a guess, remove comment when checked)
    calmrisccc
    tool="cp" # might work for now!
    output="rockbox.gmini"
    appextra="recorder"
    archosrom=""
    flash=""
    plugins="" # disabled for now, enable later on
    codecs="libmad"
    ;;

   6)
    archos="gminisp"
    target="-DARCHOS_GMINISP"
    memory=16 # fixed size (16 is a guess, remove comment when checked)
    calmrisccc
    tool="cp" # might work for now!
    output="rockbox.gmini"
    appextra="recorder"
    archosrom=""
    flash=""
    plugins="" # disabled for now, enable later on
    codecs="libmad"
    ;;

   7)
    archos="ondiosp"
    target="-DARCHOS_ONDIOSP"
    shcc
    tool="$rootdir/tools/scramble -osp"
    output="ajbrec.ajz"
    appextra="recorder"
    archosrom="$pwd/rombox.ucl"
    flash="$pwd/rockbox.ucl"
    plugins="yes"
    codecs=""
    ;;

   8)
    archos="ondiofm"
    target="-DARCHOS_ONDIOFM"
    shcc
    tool="$rootdir/tools/scramble -ofm"
    output="ajbrec.ajz"
    appextra="recorder"
    archosrom="$pwd/rombox.ucl"
    flash="$pwd/rockbox.ucl"
    plugins="yes"
    codecs=""
    ;;

   9)
    archos="h100"
    target="-DIRIVER_H100"
    memory=32 # always
    coldfirecc
    tool="$rootdir/tools/scramble -add=h120"
    output="rockbox.iriver"
    appextra="recorder"
    archosrom=""
    flash=""
    plugins="yes"
    codecs="libmad liba52 libFLAC libTremor libwavpack dumb libmusepack"
    ;;

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

  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, (S)imulator, (B)ootloader? (N)"

  option=`input`;

  case $option in
    [Bb])
      if [ "$archos" != "h100" ]; then
          echo "only the iRiver_h100 platform can build a boot loader";
          exit
      fi
      extradefines="-DBOOTLOADER" # for target makefile symbol EXTRA_DEFINES
      appsdir='\$(ROOTDIR)/bootloader'
      bootloader="1"
      echo "Bootloader build selected"
      ;;
    [Ss])
      debug="1"
      simulator="yes"
      extradefines="-DSIMULATOR"
      echo "Simulator build selected"
      whichsim
      ;;
    [Dd])
      debug="1"
      echo "Debug build selected"
      GCCOPTS="$GCCOPTS -g -DDEBUG"
      ;;
    *)
      debug=""
      echo "Normal build selected"
      GCCOPTS="$GCCOPTS $GCCOPTIMIZE"
      ;;

  esac
fi

whichaddr

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

uname=`uname`

if [ "yes" = "$simulator" ]; then
  # setup compiler and things for simulator
  simcc

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

# Now, figure out version number of the (gcc) compiler we are about to use
gccver=`$CC -dumpversion`;

if [ -z "$gccver" ]; then
  echo "WARNING: The compiler you must use ($CC) is not in your path!"
  echo "WARNING: this may cause your build to fail since we cannot do the"
  echo "WARNING: checks we want now."
else

  # gccver should now be "3.3.5", "3.4.3", "2.95.3-6" and similar, but don't
  # DEPEND on it

 num1=`echo $gccver | cut -d . -f1`
 num2=`echo $gccver | cut -d . -f2`
 gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`

 # This makes:
 # 3.3.X  => 303
 # 3.4.X  => 304
 # 2.95.3 => 295

 echo "Using $CC $gccver ($gccnum)"

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,@WINDRES@,${WINDRES},g" \
 -e "s,@DLLTOOL@,${DLLTOOL},g" \
 -e "s,@DLLWRAP@,${DLLWRAP},g" \
 -e "s,@RANLIB@,${RANLIB},g" \
 -e "s,@TOOL@,${tool},g" \
 -e "s,@OUTPUT@,${output},g" \
 -e "s,@APPEXTRA@,${appextra},g" \
 -e "s,@ARCHOSROM@,${archosrom},g" \
 -e "s,@FLASHFILE@,${flash},g" \
 -e "s,@PLUGINS@,${plugins},g" \
 -e "s,@CODECS@,${codecs},g" \
 -e "s,@GCCOPTS@,${GCCOPTS},g" \
 -e "s,@LDOPTS@,${LDOPTS},g" \
 -e "s,@LOADADDRESS@,${loadaddress},g" \
 -e "s,@EXTRADEF@,${extradefines},g" \
 -e "s,@APPSDIR@,${appsdir},g" \
 -e "s,@SIMVER@,${simver},g" \
 -e "s,@GCCVER@,${gccver},g" \
 -e "s,@GCCNUM@,${gccnum},g" \
 -e "s,@UNAME@,${uname},g" \
<<EOF
## Automaticly generated. http://www.rockbox.org/

export ROOTDIR=@ROOTDIR@
export FIRMDIR=\$(ROOTDIR)/firmware
export APPSDIR=@APPSDIR@
export TOOLSDIR=\$(ROOTDIR)/tools
export DOCSDIR=\$(ROOTDIR)/docs
export DEBUG=@DEBUG@
export ARCHOS=@ARCHOS@
export ARCHOSROM=@ARCHOSROM@
export FLASHFILE=@FLASHFILE@
export TARGET=@TARGET@
export OBJDIR=@PWD@
export LANGUAGE=@LANGUAGE@
export MEMORYSIZE=@MEMORY@
export VERSION=\$(shell date +%y%m%d-%H%M)
export MKFIRMWARE=@TOOL@
export BINARY=@OUTPUT@
export APPEXTRA=@APPEXTRA@
export ENABLEDPLUGINS=@PLUGINS@
export SOFTWARECODECS=@CODECS@
export EXTRA_DEFINES=@EXTRADEF@
export CC=@CC@
export LD=@LD@
export AR=@AR@
export AS=@AS@
export OC=@OC@
export WINDRES=@WINDRES@
export DLLTOOL=@DLLTOOL@
export DLLWRAP=@DLLWRAP@
export RANLIB=@RANLIB@
export GCCOPTS=@GCCOPTS@
export LOADADDRESS=@LOADADDRESS@
export SIMVER=@SIMVER@
export SIMDIR=\$(ROOTDIR)/uisimulator/\$(SIMVER)
export LDOPTS=@LDOPTS@
export GCCVER=@GCCVER@
export GCCNUM=@GCCNUM@
export UNAME=@UNAME@

# Do not print "Entering directory ..."
MAKEFLAGS += --no-print-directory

.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) \$(BINARY)
EOF

if [ "yes" = "$simulator" ]; then

 cat >> Makefile <<EOF

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

fi

echo "Created Makefile"