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 # SHLIB_EXT
  27 # SHLIB_LINK
  28 # SHLIB_MULTILIB
  29 # SHLIB_MKMAP
  30 # SHLIB_MAPFILES
  31 # SHLIB_NM_FLAGS
  32
  33 # Make needs VPATH to be literal.
  34 echo 'srcdir = @srcdir@'
  35 echo 'VPATH = @srcdir@'
  36 echo 'EQ = ='
  37 echo
  38 echo 'force:'
  39 echo
  40
  41 # Detect gcc as OLDCC.  This indicates a target for which LIB1FUNCS
  42 # is not needed.  This is not quite the same as libgcc1.null, even
  43 # on a target not using libgcc1-asm.a.
  44
  45 if [ "@build_canonical@" = "@target@" ]; then
  46   tmp="tmp-$$.c"
  47   cat > $tmp <<EOF
  48 #ifdef __GNUC__
  49   yes;
  50 #endif
  51 EOF
  52   if $OLDCC -E $tmp | grep yes > /dev/null 2>&1; then
  53     LIB1FUNCS=""
  54   fi
  55   rm -f $tmp
  56 fi
  57
  58 # Disable SHLIB_LINK if shared libgcc not enabled.
  59 if [ "@enable_shared@" = "no" ]; then
  60   SHLIB_LINK=""
  61 fi
  62
  63 # Build lines.
  64
  65 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
  66 oldcc_compile='$(OLDCC) -DIN_LIBGCC1 $(CCLIBFLAGS) $(INCLUDES)'
  67 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
  68           AR_FOR_TARGET="$(AR_FOR_TARGET)" \
  69           AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
  70           AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
  71           AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
  72           CC="$(CC)" CFLAGS="$(CFLAGS)" \
  73           HOST_PREFIX="$(HOST_PREFIX)" \
  74           HOST_PREFIX_1="$(HOST_PREFIX_1)" \
  75           LANGUAGES="$(LANGUAGES)"'
  76
  77 # Dependancies for libgcc1.c
  78 libgcc1_c_dep='stmp-dirs $(srcdir)/libgcc1.c $(CONFIG_H)'
  79
  80 # Dependancies for libgcc2.c
  81 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'
  82
  83 # Dependancies for fp-bit.c
  84 fpbit_c_dep='stmp-dirs config.status tsystem.h'
  85
  86 #
  87 # Build libgcc1 components.
  88 #
  89
  90 libgcc1_objs=""
  91
  92 case X"$LIBGCC1" in
  93   Xlibgcc1.null | X)
  94     ;;
  95
  96   Xlibgcc1.cross)
  97     echo "You must find a way to make libgcc1 components yourself" 1>&2
  98     ;;
  99
 100   Xlibgcc1-asm.a)
 101     for name in $LIB1ASMFUNCS; do
 102       for ml in $MULTILIBS; do
 103         dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 104         flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 105         out="libgcc/${dir}/${name}${objext}"
 106
 107         echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 108         echo "  $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 109           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
 110
 111         # Remove any objects from LIB2FUNCS that are defined as optimized
 112         # assembly code in LIB1ASMFUNCS.
 113         LIB2FUNCS=`echo $LIB2FUNCS | sed -e 's/^'$name' //' \
 114                                          -e 's/ '$name' / /' \
 115                                          -e 's/ '$name'$//'`
 116       done
 117       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 118     done
 119     ;;
 120
 121   Xlibgcc1.a)
 122     for name in $LIB1FUNCS; do
 123       out="libgcc/${name}${objext}"
 124
 125       echo $out: $libgcc1_c_dep
 126       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 127         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
 128       else
 129         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
 130         echo "  mv libgcc1${objext} $out"
 131       fi
 132
 133       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 134     done
 135
 136     for file in $LIB1FUNCS_EXTRA; do
 137       name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
 138       out="libgcc/${name}${objext}"
 139
 140       echo $out: $file
 141       if [ ${name}.asm = $file ]; then
 142         echo "  cp $file ${name}.s"
 143         file=${name}.s
 144       fi
 145
 146       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 147         echo "  $oldcc_compile" -c $file -o $out
 148       else
 149         echo "  $oldcc_compile" -c $file
 150         tmp=`echo $file | sed -e 's/[.][cs]$/'${objext}/ -e 's,.*/,,'`
 151         echo "  mv $tmp $out"
 152       fi
 153
 154       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 155     done
 156     ;;
 157   *)
 158     echo "I'm confused about libgcc1." 1>&2
 159     exit 1
 160     ;;
 161 esac
 162
 163 #
 164 # Build libgcc2 components.
 165 #
 166
 167 libgcc2_objs=""
 168
 169 for name in $LIB2FUNCS; do
 170   for ml in $MULTILIBS; do
 171     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 172     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 173     out="libgcc/${dir}/${name}${objext}"
 174
 175     echo $out: $libgcc2_c_dep
 176     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
 177       -c '$(srcdir)/libgcc2.c' -o $out
 178   done
 179   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 180 done
 181
 182 for name in $LIB2FUNCS_EH; do
 183   for ml in $MULTILIBS; do
 184     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 185     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 186     out="libgcc/${dir}/${name}${objext}"
 187
 188     echo $out: $libgcc2_c_dep
 189     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' -fexceptions \
 190       $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
 191   done
 192   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 193 done
 194
 195 if [ "$FPBIT" ]; then
 196   for name in $FPBIT_FUNCS; do
 197     for ml in $MULTILIBS; do
 198       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 199       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 200       out="libgcc/${dir}/${name}${objext}"
 201
 202       echo $out: $FPBIT $fpbit_c_dep
 203       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 204         -c $FPBIT -o $out
 205     done
 206     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 207   done
 208 fi
 209
 210 if [ "$DPBIT" ]; then
 211   for name in $DPBIT_FUNCS; do
 212     for ml in $MULTILIBS; do
 213       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 214       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 215       out="libgcc/${dir}/${name}${objext}"
 216
 217       echo $out: $DPBIT $fpbit_c_dep
 218       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 219         -c $DPBIT -o $out
 220     done
 221     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 222   done
 223 fi
 224
 225 for file in $LIB2ADD; do
 226   name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
 227   oname=`echo $name | sed -e 's,.*/,,'`
 228
 229   for ml in $MULTILIBS; do
 230     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 231     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 232     out="libgcc/${dir}/${oname}${objext}"
 233     if [ ${name}.asm = ${file} ]; then
 234       flags="$flags -xassembler-with-cpp"
 235     fi
 236
 237     echo $out: stmp-dirs $file
 238     echo "      $gcc_compile" $flags -c $file -o $out
 239   done
 240   libgcc2_objs="$libgcc2_objs ${oname}${objext}"
 241 done
 242
 243 # SHLIB_MKMAP
 244 # SHLIB_MAPFILES
 245 for ml in $MULTILIBS; do
 246   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 247   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 248
 249   libgcc_objs=""
 250   for o in $libgcc1_objs; do
 251     if [ "$LIBGCC1" = libgcc1-asm.a ]; then
 252       libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 253     else
 254       libgcc_objs="$libgcc_objs libgcc/$o"
 255     fi
 256   done
 257   for o in $libgcc2_objs; do
 258     libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 259   done
 260   shlib_deps="$libgcc_objs"
 261
 262   if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" -a -z "$mapfile" ]; then
 263     mapfile="libgcc.map"
 264     echo ""
 265     echo "${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES $libgcc_objs"
 266     echo '      { $(NM_FOR_TARGET)'" $SHLIB_NM_FLAGS $libgcc_objs; echo %%; cat $SHLIB_MAPFILES; } | "'$(AWK)'" -f $SHLIB_MKMAP > "'tmp-$@'
 267     echo '      mv tmp-$@ $@'
 268   fi
 269   shlib_deps="$shlib_deps $mapfile"
 270
 271   # Depend on EXTRA_MULTILIB_PARTS, since that's where crtbegin/end
 272   # usually are put in a true multilib situation.
 273   for f in $EXTRA_MULTILIB_PARTS; do
 274     shlib_deps="$shlib_deps $dir/$f"
 275   done
 276
 277   echo ""
 278   echo "${dir}/libgcc.a: $libgcc_objs"
 279   echo "        -rm -rf ${dir}/libgcc.a"
 280   echo '        $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc.a $libgcc_objs
 281   echo '        if $(RANLIB_TEST_FOR_TARGET) ; then' \\
 282   echo '          $(RANLIB_FOR_TARGET)' ${dir}/libgcc.a ';' \\
 283   echo '        else true; fi;'
 284
 285   if [ "$SHLIB_LINK" ]; then
 286     if [ -z "$SHLIB_MULTILIB" ]; then
 287       if [ "$dir" = "." ]; then
 288         shlib_base_name="libgcc_s";
 289       else
 290         shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
 291       fi
 292       echo ""
 293       echo "${dir}/${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
 294       echo "    $SHLIB_LINK" \
 295          | sed -e "s%@multilib_flags@%$flags%g" \
 296                -e "s%@multilib_dir@%$dir%g" \
 297                -e "s%@shlib_objs@%$libgcc_objs%g" \
 298                -e "s%@shlib_base_name@%$shlib_base_name%g" \
 299                -e "s%@shlib_map_file@%$mapfile%g"
 300     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 301       shlib_base_name="libgcc_s";
 302       echo ""
 303       echo "${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
 304       echo "    $SHLIB_LINK" \
 305          | sed -e "s%@multilib_flags@%$flags%g" \
 306                -e "s%@multilib_dir@%$dir%g" \
 307                -e "s%@shlib_objs@%$libgcc_objs%g" \
 308                -e "s%@shlib_base_name@%$shlib_base_name%g" \
 309                -e "s%@shlib_map_file@%$mapfile%g"
 310     fi
 311   fi
 312 done
 313
 314 dirs=libgcc
 315 for ml in $MULTILIBS; do
 316   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 317   if [ $dir != . ]; then
 318     dirs="$dirs libgcc/${dir}"
 319   fi
 320 done
 321 echo ''
 322 echo 'libgcc-stage-start:'
 323 echo '  for dir in '"${dirs}"'; do \'
 324 echo '    if [ -d $(stage)/$$dir ]; then true; else mkdir $(stage)/$$dir; fi; \'
 325 echo '  done'
 326 echo '  -for dir in '"${dirs}"'; do \'
 327 echo '    mv $$dir/*'"${objext}"' $(stage)/$$dir; \'
 328 echo '  done'
 329
 330 echo ""
 331 all=stmp-dirs
 332 dirs=libgcc
 333
 334 for ml in $MULTILIBS; do
 335   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 336   if [ $dir != . ]; then
 337     dirs="$dirs ${dir} libgcc/${dir}"
 338   fi
 339   all="$all ${dir}/libgcc.a"
 340   if [ "$SHLIB_LINK" ]; then
 341     if [ -z "$SHLIB_MULTILIB" ]; then
 342       if [ "$dir" = "." ]; then
 343         suff="";
 344       else
 345         suff=_`echo $dir | sed s,/,_,g`
 346       fi
 347       all="$all ${dir}/libgcc_s${suff}${SHLIB_EXT}"
 348     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 349       all="$all libgcc_s${SHLIB_EXT}"
 350     fi
 351   fi
 352 done
 353
 354 echo 'stmp-dirs: force'
 355 echo '  for d in '"$dirs"'; do \'
 356 echo '    if [ -d $$d ]; then true; else mkdir $$d; fi \'
 357 echo '  done'
 358 echo '  if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi'
 359
 360 for f in $EXTRA_MULTILIB_PARTS; do
 361   for ml in $MULTILIBS; do
 362     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 363     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 364     case $dir in
 365     .) out=$f ; t= ;;
 366     *) out=$dir/$f ; t=$dir/ ;;
 367     esac
 368     case $out in
 369     # Prevent `make' from interpreting $out as a macro assignment
 370     *'$(EQ)'*) targ="T_TARGET=$out T_TARGET" ;;
 371     *) targ=$out ;;
 372     esac
 373
 374     echo $out: stmp-dirs
 375     echo "      $make_compile" \\
 376     echo '        LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 377     echo '        MULTILIB_CFLAGS="'$flags'"' T=$t $targ
 378
 379     all="$all $out"
 380   done
 381 done
 382
 383 echo ""
 384 echo "all: $all"