#!/bin/bash

do_icecream=1
do_cross_static=0
do_cross_shared=1
do_optional_compiler_languages=0
rm -f libgcj*.spec libgcj*.changes libffi*.spec libffi*.changes gcc*.spec cross*.spec cross*.changes

# Default is to generate the normal gcc package
# unless a parameter is given.  In case that it is '-*',
# that parameter will be used as suffix for the package name
# and as suffix for the install path (/opt/gccSUFFIX)
# In case that it is '[0-9]*', that parameter will be used
# as a suffix for a versioned package name.

if [ $# -lt 1 ]; then
	outfile=gcc.spec
else
	case $1 in
	[0-9]*)
	  base_ver=$1
	  outfile=gcc$1.spec
	;;
	*)
	  exit 1
	;;
	esac
fi

	: > $outfile
	if test "$do_optional_compiler_languages" = "1"; then
	    echo '%define run_tests 1' >> $outfile
	    echo '%define build_optional_compiler_languages 1' >> $outfile
	fi
	sed -e 's%@base_ver@%'$base_ver'%g' \
	    gcc.spec.in \
	| sed -n -e '{
/^# PACKAGE-BEGIN/h
/^# PACKAGE-BEGIN/,/^# PACKAGE-END/H
/^# PACKAGE-BEGIN/,/^# PACKAGE-END/!p
/^# PACKAGE-END/{g
s/@variant@//g
p
g
s/@variant@/-32bit/g
p
g
s/@variant@/-64bit/g
p
}
}' >> $outfile

# disabled: mips, sparc, alpha
if test "$do_icecream" = 1 ; then
  for arch in x86_64 armv7hl armv7l; do
    exclarch=`echo $arch | sed -e 's/ppc$/ppc64/'`
    { sed -n -e '1,/COMMON-BEGIN/p' cross-icecream.spec.in
      sed -n -e '/COMMON-BEGIN/,/COMMON-END/p' $outfile
      sed -n -e '/COMMON-END/,$p' cross-icecream.spec.in; } |
    sed -e "s#@cross_arch@#$arch#" \
	-e "s#@base_ver@#$base_ver#" \
        -e "s/^\(ExclusiveArch.*\) $exclarch /\1 /" \
	> cross-$arch-gcc$base_ver-icecream-backend.spec
    test -f gcc$base_ver.changes && ln -f gcc$base_ver.changes cross-$arch-gcc$base_ver-icecream-backend.changes
  done
fi

export outfile
if test "$do_cross_shared" = 1 ; then
  # shared cross
  for arch in ; do
    base_ver=$base_ver cross_arch=$arch sh cross.spec.in > cross-$arch-gcc$base_ver.spec
    test -f gcc$base_ver.changes && ln -f gcc$base_ver.changes cross-$arch-gcc$base_ver.changes
  done
fi
if test "$do_cross_static" = 1 ; then
  # static crosses
  for arch in ; do
    echo '%define build_static 1' > cross-$arch-gcc$base_ver-static.spec
    base_ver=$base_ver cross_arch=$arch name_suffix="-static" sh cross.spec.in >> cross-$arch-gcc$base_ver-static.spec
    test -f gcc$base_ver.changes && ln -f gcc$base_ver.changes cross-$arch-gcc$base_ver-static.changes
  done
#  # avr is static but wants the non-static versioned name
#  echo '%define build_static 1' > cross-avr-gcc$base_ver.spec
#  base_ver=$base_ver cross_arch=avr sh cross.spec.in >> cross-avr-gcc$base_ver.spec
#  test -f gcc$base_ver.changes && ln -f gcc$base_ver.changes cross-avr-gcc$base_ver.changes
fi

for f in *.spec; do
  sed -i -e '/^# .*-\(BEGIN\|END\)$/d' $f
done

exit 0