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
  33 # Detect gcc as OLDCC.  This indicates a target for which LIB1FUNCS
  34 # is not needed.  This is not quite the same as libgcc1.null, even
  35 # on a target not using libgcc1-asm.a.
  36
  37 if [ "@build_canonical@" = "@target@" ]; then
  38   tmp="tmp-$$.c"
  39   cat > $tmp <<EOF
  40 #ifdef __GNUC__
  41   yes;
  42 #endif
  43 EOF
  44   if $OLDCC -E $tmp | grep yes > /dev/null 2>&1; then
  45     LIB1FUNCS=""
  46   fi
  47   rm -f $tmp
  48 fi
  49
  50
  51 # Build lines.
  52
  53 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
  54 oldcc_compile='$(OLDCC) -DIN_LIBGCC1 $(CCLIBFLAGS) $(INCLUDES)'
  55 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
  56           AR_FOR_TARGET="$(AR_FOR_TARGET)" \
  57           AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
  58           AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
  59           AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
  60           CC="$(CC)" CFLAGS="$(CFLAGS)" \
  61           HOST_PREFIX="$(HOST_PREFIX)" \
  62           HOST_PREFIX_1="$(HOST_PREFIX_1)" \
  63           LANGUAGES="$(LANGUAGES)"'
  64
  65 # Dependancies for libgcc1.c
  66 libgcc1_c_dep='$(srcdir)/libgcc1.c $(CONFIG_H)'
  67
  68 # Dependancies for libgcc2.c
  69 libgcc2_c_dep='$(srcdir)/libgcc2.c $(CONFIG_H) $(MACHMODE_H) longlong.h frame.h gbl-ctors.h config.status stmp-int-hdrs tsystem.h'
  70
  71 # Dependancies for fp-bit.c
  72 fpbit_c_dep='config.status tsystem.h'
  73
  74 #
  75 # Build libgcc1 components.
  76 #
  77
  78 libgcc1_objs=""
  79
  80 case X"$LIBGCC1" in
  81   Xlibgcc1.null | X)
  82     ;;
  83
  84   Xlibgcc1.cross)
  85     echo "You must find a way to make libgcc1 components yourself" 1>&2
  86     ;;
  87
  88   Xlibgcc1-asm.a)
  89     for name in $LIB1ASMFUNCS; do
  90       for ml in $MULTILIBS; do
  91         dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
  92         flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
  93         out="libgcc/${dir}/${name}${objext}"
  94
  95         if [ $dir = . ]; then
  96           libgccdir="libgcc"
  97         else
  98           libgccdir="libgcc/${dir}"
  99         fi
 100         echo ${out}: ${libgccdir} '$(srcdir)/config/$(LIB1ASMSRC)'
 101         echo "  $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 102           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
 103       done
 104       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 105     done
 106     ;;
 107
 108   Xlibgcc1.a)
 109     for name in $LIB1FUNCS; do
 110       out="libgcc/${name}${objext}"
 111
 112       echo $out: $libgcc1_c_dep
 113       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 114         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
 115       else
 116         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
 117         echo "  mv libgcc1${objext} $out"
 118       fi
 119
 120       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 121     done
 122
 123     for file in $LIB1FUNCS_EXTRA; do
 124       name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
 125       out="libgcc/${name}${objext}"
 126
 127       echo $out: $file
 128       if [ ${name}.asm = $file ]; then
 129         echo "  cp $file ${name}.s"
 130         file=${name}.s
 131       fi
 132
 133       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 134         echo "  $oldcc_compile" -c $file -o $out
 135       else
 136         echo "  $oldcc_compile" -c $file
 137         tmp=`echo $file | sed -e 's/[.][cs]$/'${objext}/ -e 's,.*/,,'`
 138         echo "  mv $tmp $out"
 139       fi
 140
 141       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 142     done
 143     ;;
 144   *)
 145     echo "I'm confused about libgcc1." 1>&2
 146     exit 1
 147     ;;
 148 esac
 149
 150 #
 151 # Build libgcc2 components.
 152 #
 153
 154 libgcc2_objs=""
 155
 156 for name in $LIB2FUNCS; do
 157   for ml in $MULTILIBS; do
 158     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 159     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 160     out="libgcc/${dir}/${name}${objext}"
 161
 162     if [ $dir = . ]; then
 163       libgccdir="libgcc"
 164     else
 165       libgccdir="libgcc/${dir}"
 166     fi
 167     echo $out: $libgccdir $libgcc2_c_dep
 168     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
 169       -c '$(srcdir)/libgcc2.c' -o $out
 170   done
 171   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 172 done
 173
 174 for name in $LIB2FUNCS_EH; do
 175   for ml in $MULTILIBS; do
 176     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 177     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 178     out="libgcc/${dir}/${name}${objext}"
 179
 180     if [ $dir = . ]; then
 181       libgccdir="libgcc"
 182     else
 183       libgccdir="libgcc/${dir}"
 184     fi
 185     echo $out: $libgccdir $libgcc2_c_dep
 186     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' -fexceptions \
 187       $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
 188   done
 189   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 190 done
 191
 192 if [ "$FPBIT" ]; then
 193   for name in $FPBIT_FUNCS; do
 194     for ml in $MULTILIBS; do
 195       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 196       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 197       out="libgcc/${dir}/${name}${objext}"
 198
 199       if [ $dir = . ]; then
 200         libgccdir="libgcc"
 201       else
 202         libgccdir="libgcc/${dir}"
 203       fi
 204       echo $out: $libgccdir $FPBIT $fpbit_c_dep
 205       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 206         -c $FPBIT -o $out
 207     done
 208     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 209   done
 210 fi
 211
 212 if [ "$DPBIT" ]; then
 213   for name in $DPBIT_FUNCS; do
 214     for ml in $MULTILIBS; do
 215       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 216       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 217       out="libgcc/${dir}/${name}${objext}"
 218
 219       if [ $dir = . ]; then
 220         libgccdir="libgcc"
 221       else
 222         libgccdir="libgcc/${dir}"
 223       fi
 224       echo $out: $libgccdir $DPBIT $fpbit_c_dep
 225       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 226         -c $DPBIT -o $out
 227     done
 228     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 229   done
 230 fi
 231
 232 for file in $LIB2ADD; do
 233   name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
 234   oname=`echo $name | sed -e 's,.*/,,'`
 235
 236   if [ ${name}.txt = ${file} ]; then
 237     fprime=`cat $file`
 238     for f in $fprime; do
 239
 240       lastout=""
 241       for ml in $MULTILIBS; do
 242         dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 243         flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 244         out="libgcc/${dir}/${f}"
 245
 246         # Depend on previous out to serialize all sub-makes of this
 247         # target file.  This because ./$f is used as a temporary in
 248         # each case before being moved to libgcc/$dir/.
 249         echo $out: $lastout
 250         echo "  $make_compile" \\
 251         echo '    LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 252         echo '    MULTILIB_CFLAGS="'$flags'"' $f
 253         echo "  mv $f $out"
 254
 255         lastout="$out"
 256       done
 257
 258       libgcc2_objs="$libgcc2_objs $f"
 259     done
 260   else
 261     for ml in $MULTILIBS; do
 262       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 263       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 264       out="libgcc/${dir}/${oname}${objext}"
 265       if [ ${name}.asm = ${file} ]; then
 266         flags="$flags -xassembler-with-cpp"
 267       fi
 268
 269       if [ $dir = . ]; then
 270         libgccdir="libgcc"
 271       else
 272         libgccdir="libgcc/${dir}"
 273       fi
 274       echo $out: $libgccdir $file
 275       echo "    $gcc_compile" $flags -c $file -o $out
 276     done
 277     libgcc2_objs="$libgcc2_objs ${oname}${objext}"
 278   fi
 279 done
 280
 281 for ml in $MULTILIBS; do
 282   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 283
 284   libgcc_objs=""
 285   for o in $libgcc1_objs; do
 286     if [ "$LIBGCC1" = libgcc1-asm.a ]; then
 287       libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 288     else
 289       libgcc_objs="$libgcc_objs libgcc/$o"
 290     fi
 291   done
 292   for o in $libgcc2_objs; do
 293     libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 294   done
 295
 296   echo ""
 297   echo "${dir}/libgcc.a: $libgcc_objs"
 298   echo "        -rm -rf ${dir}/libgcc.a"
 299   echo '        $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc.a $libgcc_objs
 300   echo '        if $(RANLIB_TEST_FOR_TARGET) ; then' \\
 301   echo '          $(RANLIB_FOR_TARGET)' ${dir}/libgcc.a ';' \\
 302   echo '        else true; fi;'
 303 done
 304
 305 echo ""
 306 all=""
 307
 308 echo "libgcc:; -mkdir libgcc"
 309 for ml in $MULTILIBS; do
 310   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 311   if [ $dir != . ]; then
 312     echo "libgcc/${dir}: libgcc; -mkdir libgcc/${dir}"
 313   fi
 314   all="$all ${dir}/libgcc.a"
 315 done
 316
 317 for f in $EXTRA_MULTILIB_PARTS; do
 318   lastout=""
 319   for ml in $MULTILIBS; do
 320     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 321     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 322     out="$dir/$f"
 323
 324     # Depend on previous out to serialize all sub-makes of this
 325     # target file.  This because ./$f is used as a temporary in
 326     # each case before being moved to libgcc/$dir/.
 327     echo $out: $lastout
 328     echo "      $make_compile" \\
 329     echo '        LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 330     echo '        MULTILIB_CFLAGS="'$flags'"' T=t t$f
 331     echo "      mv t$f $out"
 332
 333     all="$all $out"
 334     lastout="$out"
 335   done
 336 done
 337
 338 echo ""
 339 echo "all: $all"