path: root/gcc/mklibgcc.in

#!/bin/sh
# Construct makefile for libgcc.
#   Copyright (C) 2000 Free Software Foundation, Inc.
#
# This file is part of GNU CC.

# Arguments, taken from the environment, since there are a lot
# of them, and positional args becomes quite ugly.
#
# objext
# OLDCC
# LIBGCC1
# LIB1FUNCS
# LIB1ASMFUNCS
# LIB1FUNCS_EXTRA
# LIB2FUNCS
# LIB2FUNCS_EH
# LIB2ADD
# FPBIT
# FPBIT_FUNCS
# DPBIT
# DPBIT_FUNCS
# LIBGCC
# MULTILIBS
# EXTRA_MULTILIB_PARTS

# Make needs VPATH to be literal.
echo 'srcdir = @srcdir@'
echo 'VPATH = @srcdir@'
echo 'EQ = ='
echo
echo 'force:'
echo

# Detect gcc as OLDCC.  This indicates a target for which LIB1FUNCS
# is not needed.  This is not quite the same as libgcc1.null, even
# on a target not using libgcc1-asm.a.

if [ "@build_canonical@" = "@target@" ]; then
  tmp="tmp-$$.c"
  cat > $tmp <<EOF
#ifdef __GNUC__
  yes;
#endif
EOF
  if $OLDCC -E $tmp | grep yes > /dev/null 2>&1; then
    LIB1FUNCS=""
  fi
  rm -f $tmp
fi


# Build lines.

gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
oldcc_compile='$(OLDCC) -DIN_LIBGCC1 $(CCLIBFLAGS) $(INCLUDES)'
make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
	  AR_FOR_TARGET="$(AR_FOR_TARGET)" \
	  AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
	  AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
	  AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
	  CC="$(CC)" CFLAGS="$(CFLAGS)" \
	  HOST_PREFIX="$(HOST_PREFIX)" \
	  HOST_PREFIX_1="$(HOST_PREFIX_1)" \
	  LANGUAGES="$(LANGUAGES)"'

# Dependancies for libgcc1.c
libgcc1_c_dep='stmp-dirs $(srcdir)/libgcc1.c $(CONFIG_H)'

# Dependancies for libgcc2.c
libgcc2_c_dep='stmp-dirs $(srcdir)/libgcc2.c $(CONFIG_H) $(MACHMODE_H) longlong.h frame.h gbl-ctors.h config.status stmp-int-hdrs tsystem.h'

# Dependancies for fp-bit.c
fpbit_c_dep='stmp-dirs config.status tsystem.h'

#
# Build libgcc1 components.
#

libgcc1_objs=""

case X"$LIBGCC1" in
  Xlibgcc1.null | X)
    ;;

  Xlibgcc1.cross)
    echo "You must find a way to make libgcc1 components yourself" 1>&2
    ;;

  Xlibgcc1-asm.a)
    for name in $LIB1ASMFUNCS; do
      for ml in $MULTILIBS; do
        dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
        flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
        out="libgcc/${dir}/${name}${objext}"

        echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
	echo "	$gcc_compile" $flags -DL$name -xassembler-with-cpp \
	  -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out

	# Remove any objects from LIB2FUNCS that are defined as optimized
	# assembly code in LIB1ASMFUNCS.
	LIB2FUNCS=`echo $LIB2FUNCS | sed -e 's/^'$name' //' \
				         -e 's/ '$name' / /' \
					 -e 's/ '$name'$//'`
      done
      libgcc1_objs="$libgcc1_objs ${name}${objext}"
    done
    ;;

  Xlibgcc1.a)
    for name in $LIB1FUNCS; do
      out="libgcc/${name}${objext}"

      echo $out: $libgcc1_c_dep
      if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
	echo "	$oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
      else
	echo "	$oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
	echo "	mv libgcc1${objext} $out"
      fi

      libgcc1_objs="$libgcc1_objs ${name}${objext}"
    done

    for file in $LIB1FUNCS_EXTRA; do
      name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
      out="libgcc/${name}${objext}"

      echo $out: $file
      if [ ${name}.asm = $file ]; then
        echo "	cp $file ${name}.s"
        file=${name}.s
      fi

      if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
	echo "	$oldcc_compile" -c $file -o $out
      else
	echo "	$oldcc_compile" -c $file
	tmp=`echo $file | sed -e 's/[.][cs]$/'${objext}/ -e 's,.*/,,'`
	echo "	mv $tmp $out"
      fi

      libgcc1_objs="$libgcc1_objs ${name}${objext}"
    done
    ;;
  *)
    echo "I'm confused about libgcc1." 1>&2
    exit 1
    ;;
esac

#
# Build libgcc2 components.
#

libgcc2_objs=""

for name in $LIB2FUNCS; do
  for ml in $MULTILIBS; do
    dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
    flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
    out="libgcc/${dir}/${name}${objext}"

    echo $out: $libgcc2_c_dep
    echo "	$gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
      -c '$(srcdir)/libgcc2.c' -o $out
  done
  libgcc2_objs="$libgcc2_objs ${name}${objext}"
done

for name in $LIB2FUNCS_EH; do
  for ml in $MULTILIBS; do
    dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
    flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
    out="libgcc/${dir}/${name}${objext}"

    echo $out: $libgcc2_c_dep
    echo "	$gcc_compile" '$(MAYBE_USE_COLLECT2)' -fexceptions \
      $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
  done
  libgcc2_objs="$libgcc2_objs ${name}${objext}"
done

if [ "$FPBIT" ]; then
  for name in $FPBIT_FUNCS; do
    for ml in $MULTILIBS; do
      dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
      flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
      out="libgcc/${dir}/${name}${objext}"

      echo $out: $FPBIT $fpbit_c_dep
      echo "	$gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
	-c $FPBIT -o $out
    done
    libgcc2_objs="$libgcc2_objs ${name}${objext}"
  done
fi

if [ "$DPBIT" ]; then
  for name in $DPBIT_FUNCS; do
    for ml in $MULTILIBS; do
      dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
      flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
      out="libgcc/${dir}/${name}${objext}"

      echo $out: $DPBIT $fpbit_c_dep
      echo "	$gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
	-c $DPBIT -o $out
    done
    libgcc2_objs="$libgcc2_objs ${name}${objext}"
  done
fi

for file in $LIB2ADD; do
  name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
  oname=`echo $name | sed -e 's,.*/,,'`

  if [ ${name}.txt = ${file} ]; then
    fprime=`cat $file`
    for f in $fprime; do

      lastout="stmp-dirs $file"
      for ml in $MULTILIBS; do
        dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
        flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
        out="libgcc/${dir}/${f}"

	# Depend on previous out to serialize all sub-makes of this
	# target file.  This because ./$f is used as a temporary in
	# each case before being moved to libgcc/$dir/.
	echo $out: $lastout
	echo "	$make_compile" \\
	echo '	  LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
	echo '	  MULTILIB_CFLAGS="'$flags'"' $f
	echo "	mv $f $out"

	lastout="$out"
      done

      libgcc2_objs="$libgcc2_objs $f"
    done
  else
    for ml in $MULTILIBS; do
      dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
      flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
      out="libgcc/${dir}/${oname}${objext}"
      if [ ${name}.asm = ${file} ]; then
	flags="$flags -xassembler-with-cpp"
      fi

      echo $out: stmp-dirs $file
      echo "	$gcc_compile" $flags -c $file -o $out
    done
    libgcc2_objs="$libgcc2_objs ${oname}${objext}"
  fi
done

for ml in $MULTILIBS; do
  dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`

  libgcc_objs=""
  for o in $libgcc1_objs; do
    if [ "$LIBGCC1" = libgcc1-asm.a ]; then
      libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
    else
      libgcc_objs="$libgcc_objs libgcc/$o"
    fi
  done
  for o in $libgcc2_objs; do
    libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
  done

  echo ""
  echo "${dir}/libgcc.a: $libgcc_objs"
  echo "	-rm -rf ${dir}/libgcc.a"
  echo '	$(AR_CREATE_FOR_TARGET)' ${dir}/libgcc.a $libgcc_objs
  echo '	if $(RANLIB_TEST_FOR_TARGET) ; then' \\
  echo '	  $(RANLIB_FOR_TARGET)' ${dir}/libgcc.a ';' \\
  echo '	else true; fi;'
done

echo ""
all=stmp-dirs
dirs=libgcc

for ml in $MULTILIBS; do
  dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
  if [ $dir != . ]; then
    dirs="$dirs ${dir} libgcc/${dir}"
  fi
  all="$all ${dir}/libgcc.a"
done

echo 'stmp-dirs: force'
echo '	for d in '"$dirs"'; do \'
echo '	  if [ -d $$d ]; then true; else mkdir $$d; fi \'
echo '	done'
echo '	if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi'

for f in $EXTRA_MULTILIB_PARTS; do
  lastout="stmp-dirs force"
  for ml in $MULTILIBS; do
    dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
    flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
    out="$dir/$f"

    # Depend on previous out to serialize all sub-makes of this
    # target file.  This because ./$f is used as a temporary in
    # each case before being moved to libgcc/$dir/.
    echo $out: $lastout
    echo "	$make_compile" \\
    echo '	  LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
    echo '	  MULTILIB_CFLAGS="'$flags'"' T=t t$f
    echo "	mv t$f $out"

    all="$all $out"
    lastout="$out"
  done
done

echo ""
echo "all: $all"