gcc/mklibgcc.in

   1 #!/bin/sh
   2 # Construct makefile for libgcc.
   3 #   Copyright (C) 2000 Free Software Foundation, Inc.
   4 #
   5 # This file is part of GNU CC.
   6
   7 # Arguments, taken from the environment, since there are a lot
   8 # of them, and positional args becomes quite ugly.
   9 #
  10 # objext
  11 # OLDCC
  12 # LIBGCC1
  13 # LIB1FUNCS
  14 # LIB1ASMFUNCS
  15 # LIB1FUNCS_EXTRA
  16 # LIB2FUNCS
  17 # LIB2FUNCS_EH
  18 # LIB2ADD
  19 # FPBIT
  20 # FPBIT_FUNCS
  21 # DPBIT
  22 # DPBIT_FUNCS
  23 # LIBGCC
  24 # MULTILIBS
  25 # EXTRA_MULTILIB_PARTS
  26
  27 # Make needs VPATH to be literal.
  28 echo 'srcdir = @srcdir@'
  29 echo 'VPATH = @srcdir@'
  30 echo 'EQ = ='
  31 echo
  32 echo 'force:'
  33 echo
  34
  35 # Detect gcc as OLDCC.  This indicates a target for which LIB1FUNCS
  36 # is not needed.  This is not quite the same as libgcc1.null, even
  37 # on a target not using libgcc1-asm.a.
  38
  39 if [ "@build_canonical@" = "@target@" ]; then
  40   tmp="tmp-$$.c"
  41   cat > $tmp <<EOF
  42 #ifdef __GNUC__
  43   yes;
  44 #endif
  45 EOF
  46   if $OLDCC -E $tmp | grep yes > /dev/null 2>&1; then
  47     LIB1FUNCS=""
  48   fi
  49   rm -f $tmp
  50 fi
  51
  52
  53 # Build lines.
  54
  55 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
  56 oldcc_compile='$(OLDCC) -DIN_LIBGCC1 $(CCLIBFLAGS) $(INCLUDES)'
  57 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
  58           AR_FOR_TARGET="$(AR_FOR_TARGET)" \
  59           AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
  60           AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
  61           AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
  62           CC="$(CC)" CFLAGS="$(CFLAGS)" \
  63           HOST_PREFIX="$(HOST_PREFIX)" \
  64           HOST_PREFIX_1="$(HOST_PREFIX_1)" \
  65           LANGUAGES="$(LANGUAGES)"'
  66
  67 # Dependancies for libgcc1.c
  68 libgcc1_c_dep='stmp-dirs $(srcdir)/libgcc1.c $(CONFIG_H)'
  69
  70 # Dependancies for libgcc2.c
  71 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'
  72
  73 # Dependancies for fp-bit.c
  74 fpbit_c_dep='stmp-dirs config.status tsystem.h'
  75
  76 #
  77 # Build libgcc1 components.
  78 #
  79
  80 libgcc1_objs=""
  81
  82 case X"$LIBGCC1" in
  83   Xlibgcc1.null | X)
  84     ;;
  85
  86   Xlibgcc1.cross)
  87     echo "You must find a way to make libgcc1 components yourself" 1>&2
  88     ;;
  89
  90   Xlibgcc1-asm.a)
  91     for name in $LIB1ASMFUNCS; do
  92       for ml in $MULTILIBS; do
  93         dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
  94         flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
  95         out="libgcc/${dir}/${name}${objext}"
  96
  97         echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
  98         echo "  $gcc_compile" $flags -DL$name -xassembler-with-cpp \
  99           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
 100
 101         # Remove any objects from LIB2FUNCS that are defined as optimized
 102         # assembly code in LIB1ASMFUNCS.
 103         LIB2FUNCS=`echo $LIB2FUNCS | sed -e 's/^'$name' //' \
 104                                          -e 's/ '$name' / /' \
 105                                          -e 's/ '$name'$//'`
 106       done
 107       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 108     done
 109     ;;
 110
 111   Xlibgcc1.a)
 112     for name in $LIB1FUNCS; do
 113       out="libgcc/${name}${objext}"
 114
 115       echo $out: $libgcc1_c_dep
 116       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 117         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
 118       else
 119         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
 120         echo "  mv libgcc1${objext} $out"
 121       fi
 122
 123       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 124     done
 125
 126     for file in $LIB1FUNCS_EXTRA; do
 127       name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
 128       out="libgcc/${name}${objext}"
 129
 130       echo $out: $file
 131       if [ ${name}.asm = $file ]; then
 132         echo "  cp $file ${name}.s"
 133         file=${name}.s
 134       fi
 135
 136       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 137         echo "  $oldcc_compile" -c $file -o $out
 138       else
 139         echo "  $oldcc_compile" -c $file
 140         tmp=`echo $file | sed -e 's/[.][cs]$/'${objext}/ -e 's,.*/,,'`
 141         echo "  mv $tmp $out"
 142       fi
 143
 144       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 145     done
 146     ;;
 147   *)
 148     echo "I'm confused about libgcc1." 1>&2
 149     exit 1
 150     ;;
 151 esac
 152
 153 #
 154 # Build libgcc2 components.
 155 #
 156
 157 libgcc2_objs=""
 158
 159 for name in $LIB2FUNCS; do
 160   for ml in $MULTILIBS; do
 161     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 162     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 163     out="libgcc/${dir}/${name}${objext}"
 164
 165     echo $out: $libgcc2_c_dep
 166     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
 167       -c '$(srcdir)/libgcc2.c' -o $out
 168   done
 169   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 170 done
 171
 172 for name in $LIB2FUNCS_EH; do
 173   for ml in $MULTILIBS; do
 174     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 175     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 176     out="libgcc/${dir}/${name}${objext}"
 177
 178     echo $out: $libgcc2_c_dep
 179     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' -fexceptions \
 180       $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
 181   done
 182   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 183 done
 184
 185 if [ "$FPBIT" ]; then
 186   for name in $FPBIT_FUNCS; do
 187     for ml in $MULTILIBS; do
 188       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 189       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 190       out="libgcc/${dir}/${name}${objext}"
 191
 192       echo $out: $FPBIT $fpbit_c_dep
 193       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 194         -c $FPBIT -o $out
 195     done
 196     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 197   done
 198 fi
 199
 200 if [ "$DPBIT" ]; then
 201   for name in $DPBIT_FUNCS; do
 202     for ml in $MULTILIBS; do
 203       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 204       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 205       out="libgcc/${dir}/${name}${objext}"
 206
 207       echo $out: $DPBIT $fpbit_c_dep
 208       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 209         -c $DPBIT -o $out
 210     done
 211     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 212   done
 213 fi
 214
 215 for file in $LIB2ADD; do
 216   name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
 217   oname=`echo $name | sed -e 's,.*/,,'`
 218
 219   if [ ${name}.txt = ${file} ]; then
 220     fprime=`cat $file`
 221     for f in $fprime; do
 222
 223       lastout="stmp-dirs $file"
 224       for ml in $MULTILIBS; do
 225         dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 226         flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 227         out="libgcc/${dir}/${f}"
 228
 229         # Depend on previous out to serialize all sub-makes of this
 230         # target file.  This because ./$f is used as a temporary in
 231         # each case before being moved to libgcc/$dir/.
 232         echo $out: $lastout
 233         echo "  $make_compile" \\
 234         echo '    LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 235         echo '    MULTILIB_CFLAGS="'$flags'"' $f
 236         echo "  mv $f $out"
 237
 238         lastout="$out"
 239       done
 240
 241       libgcc2_objs="$libgcc2_objs $f"
 242     done
 243   else
 244     for ml in $MULTILIBS; do
 245       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 246       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 247       out="libgcc/${dir}/${oname}${objext}"
 248       if [ ${name}.asm = ${file} ]; then
 249         flags="$flags -xassembler-with-cpp"
 250       fi
 251
 252       echo $out: stmp-dirs $file
 253       echo "    $gcc_compile" $flags -c $file -o $out
 254     done
 255     libgcc2_objs="$libgcc2_objs ${oname}${objext}"
 256   fi
 257 done
 258
 259 for ml in $MULTILIBS; do
 260   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 261
 262   libgcc_objs=""
 263   for o in $libgcc1_objs; do
 264     if [ "$LIBGCC1" = libgcc1-asm.a ]; then
 265       libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 266     else
 267       libgcc_objs="$libgcc_objs libgcc/$o"
 268     fi
 269   done
 270   for o in $libgcc2_objs; do
 271     libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 272   done
 273
 274   echo ""
 275   echo "${dir}/libgcc.a: $libgcc_objs"
 276   echo "        -rm -rf ${dir}/libgcc.a"
 277   echo '        $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc.a $libgcc_objs
 278   echo '        if $(RANLIB_TEST_FOR_TARGET) ; then' \\
 279   echo '          $(RANLIB_FOR_TARGET)' ${dir}/libgcc.a ';' \\
 280   echo '        else true; fi;'
 281 done
 282
 283 echo ""
 284 all=stmp-dirs
 285 dirs=libgcc
 286
 287 for ml in $MULTILIBS; do
 288   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 289   if [ $dir != . ]; then
 290     dirs="$dirs ${dir} libgcc/${dir}"
 291   fi
 292   all="$all ${dir}/libgcc.a"
 293 done
 294
 295 echo 'stmp-dirs: force'
 296 echo '  for d in '"$dirs"'; do \'
 297 echo '    if [ -d $$d ]; then true; else mkdir $$d; fi \'
 298 echo '  done'
 299 echo '  if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi'
 300
 301 for f in $EXTRA_MULTILIB_PARTS; do
 302   lastout="stmp-dirs force"
 303   for ml in $MULTILIBS; do
 304     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 305     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 306     out="$dir/$f"
 307
 308     # Depend on previous out to serialize all sub-makes of this
 309     # target file.  This because ./$f is used as a temporary in
 310     # each case before being moved to libgcc/$dir/.
 311     echo $out: $lastout
 312     echo "      $make_compile" \\
 313     echo '        LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 314     echo '        MULTILIB_CFLAGS="'$flags'"' T=t t$f
 315     echo "      mv t$f $out"
 316
 317     all="$all $out"
 318     lastout="$out"
 319   done
 320 done
 321
 322 echo ""
 323 echo "all: $all"