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gcc/gcc/mklibgcc.in

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#!/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"
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