configure

#!/bin/sh
# $Id: configure 890 2009-04-21 17:14:44Z hoenicke $
#
# Generator for brickOS host-OS-dependend Makefile variables
#
# 15.10.02    -    Version 1.0        M. Obenland
#                        obenland@t-online.de
#
# 21.10.02    -    Version 1.0    Updates      S. Moraco
#                        stephen@debian.org
#
# 31.10.02  -  Version 1.0a Changed name separation routine
#                           to use dirname / basename to handle
#                           'gcc' in pathname    M. Obenland
#                           obenland@t-online.de
#
# 01.06.03  -  Version 1.10 Changed array of search paths to a list
#                           for compatibility with POSIX /bin/sh
#                           F. Gifford fgiff@users.sourceforge.net
#

echo ""
echo "Welcome to the brickOS Makefile configurator."
echo "Attempting to find the gcc compiler for the h8300. (This might take some time.)"
echo ""

#
#  check for known files in known locations, first,
#    so can avoid expensive search
#
#   known PATHs in which h8*gcc may be found
TOOL_PATH="/usr/local/brickbot/bin
           /usr/local/bin
           /usr/bin
           /usr/local/brickos/bin
           /usr/local/lego/bin
           /usr/local/rcx/bin
           /usr/local/h8300-hms/bin
           /usr/h8300-hitachi-hms/bin
           /usr/local/crossgcc/h8300-hitachi-hms/bin"

#   known PREFIXs of h8*gcc
TOOL_PREFIX="h8300-hms-
             h8300hms-
             h8300-hitachi-hms-
             h8300-hitachi-coff-"

HMSFULL=""
#  for each path, do...
for TOOL_PATH_CANDIDATE in $TOOL_PATH
do
  #  for each basename prefix. do...
  for TOOL_PREFIX_CANDIDATE in $TOOL_PREFIX
  do
    GCCBASE="$TOOL_PATH_CANDIDATE/${TOOL_PREFIX_CANDIDATE}gcc"
    #echo "(DBG)Testing GCCBASE=[$GCCBASE]"
    #  for each suffix (.exe and empty str), do...
    for EXT in ".exe" ""
    do
      GCCFSPEC="${GCCBASE}$EXT"
      if test -f "$GCCFSPEC"
      then
        HMSFULL="$GCCFSPEC"
        break  #  have answer, exit inner loop
      fi
    done
    if test -n "$HMSFULL"
    then
      break  #  have answer, exit middle loop
    fi
  done
  if test -n "$HMSFULL"
  then
    break  #  have answer, exit outer loop
  fi
done

#
#  if didn't find in expected location...
#   search filesystem for full name of hitachi gcc compiler and path
#
#  This can be quite harmful. Uncomment if you really want it.
#if test -z "$HMSFULL"
#then
#  HMSFULL=`find / -type f \( -name 'h8*gcc' -o -name 'h8*gcc.exe' \) -print`
#fi

#
# if no compiler is found, exit
#
if test -z "$HMSFULL"
then
   echo "No gcc compiler found for the h8300, please install compiler or edit" \
		"the configure script and try again."
   exit 1
fi

#
# CrossToolPrefix is full path and compiler name without 'gcc'
#
DIRNAME=`dirname $HMSFULL`
BASENAME=`basename $HMSFULL`

CROSSTOOLPREFIX=$DIRNAME/`echo $BASENAME | sed "s/gcc.*//"`

echo " - CrossToolPrefix = "$CROSSTOOLPREFIX

#
#  look for .exe in the compiler name. This indicates Windows environment
#   which means that CYGWIN or DJGPP toolset is being used
#
case "$HMSFULL" in
*.exe)
       echo " - Found Cygwin/DJGPP system"
       SED_SFLAG=1
       EXT=.exe
       CC=gcc
       CFLAGS="-D_WIN32 -O2 -Wall"
       CFLG_PE='+'
       ;;

*)
       echo " - Found Linux/Unix system"
       SED_SFLAG=""
       EXT=""
       CC=gcc
       CFLAGS="-O2 -Wall"
       CFLG_PE=""
       ;;
esac
echo ""

MAKEDEPEND="\$(CC) -M"
BRICKOS_ROOT=`pwd`

CURR_MAKEFILE=Makefile.common
NEW_MAKEFILE=${CURR_MAKEFILE}.new
PRIOR_MAKEFILE=${CURR_MAKEFILE}.bak

cat > Makefile.config <<EOF
CROSSTOOLPREFIX=$CROSSTOOLPREFIX
SED_SFLAG=$SED_SFLAG
EXT=$EXT
CC=\$(TOOLPREFIX)$CC
CFLAGS+=$CFLAGS
EOF

exit 0