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_ST
  18 # LIB2ADD
  19 # LIB2ADDEH
  20 # LIB2ADDEHDEP
  21 # LIB2ADD_ST
  22 # FPBIT
  23 # FPBIT_FUNCS
  24 # DPBIT
  25 # DPBIT_FUNCS
  26 # LIBGCC
  27 # MULTILIBS
  28 # EXTRA_MULTILIB_PARTS
  29 # SHLIB_EXT
  30 # SHLIB_LINK
  31 # SHLIB_MULTILIB
  32 # SHLIB_MKMAP
  33 # SHLIB_MAPFILES
  34 # SHLIB_NM_FLAGS
  35 # SHLIB_INSTALL
  36
  37 # Make needs VPATH to be literal.
  38 echo 'srcdir = @srcdir@'
  39 echo 'VPATH = @srcdir@'
  40 echo 'EQ = ='
  41 echo
  42 echo 'force:'
  43 echo
  44
  45 # Detect gcc as OLDCC.  This indicates a target for which LIB1FUNCS
  46 # is not needed.  This is not quite the same as libgcc1.null, even
  47 # on a target not using libgcc1-asm.a.
  48
  49 if [ "@build_canonical@" = "@target@" ]; then
  50   tmp="tmp-$$.c"
  51   cat > $tmp <<EOF
  52 #ifdef __GNUC__
  53   yes;
  54 #endif
  55 EOF
  56   if $OLDCC -E $tmp | grep yes > /dev/null 2>&1; then
  57     LIB1FUNCS=""
  58   fi
  59   rm -f $tmp
  60 fi
  61
  62 # Disable SHLIB_LINK if shared libgcc not enabled.
  63 if [ "@enable_shared@" = "no" ]; then
  64   SHLIB_LINK=""
  65 fi
  66
  67 # Build lines.
  68
  69 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
  70 oldcc_compile='$(OLDCC) -DIN_LIBGCC1 $(CCLIBFLAGS) $(INCLUDES)'
  71 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
  72           AR_FOR_TARGET="$(AR_FOR_TARGET)" \
  73           AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
  74           AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
  75           AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
  76           CC="$(CC)" CFLAGS="$(CFLAGS)" \
  77           HOST_PREFIX="$(HOST_PREFIX)" \
  78           HOST_PREFIX_1="$(HOST_PREFIX_1)" \
  79           LANGUAGES="$(LANGUAGES)"'
  80
  81 # Dependancies for libgcc1.c
  82 libgcc1_c_dep='stmp-dirs $(srcdir)/libgcc1.c $(CONFIG_H)'
  83
  84 # Dependancies for libgcc2.c
  85 libgcc2_c_dep='stmp-dirs $(srcdir)/libgcc2.c $(CONFIG_H) $(MACHMODE_H) longlong.h gbl-ctors.h config.status stmp-int-hdrs tsystem.h'" $LIB2ADDEHDEP"
  86
  87 # Dependancies for fp-bit.c
  88 fpbit_c_dep='stmp-dirs config.status tsystem.h'
  89
  90 #
  91 # Build libgcc1 components.
  92 #
  93
  94 libgcc1_objs=""
  95
  96 case X"$LIBGCC1" in
  97   Xlibgcc1.null | X)
  98     ;;
  99
 100   Xlibgcc1.cross)
 101     echo "You must find a way to make libgcc1 components yourself" 1>&2
 102     ;;
 103
 104   Xlibgcc1-asm.a)
 105     for name in $LIB1ASMFUNCS; do
 106       for ml in $MULTILIBS; do
 107         dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 108         flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 109         out="libgcc/${dir}/${name}${objext}"
 110
 111         echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 112         echo "  $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 113           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
 114
 115         # Remove any objects from LIB2FUNCS that are defined as optimized
 116         # assembly code in LIB1ASMFUNCS.
 117         LIB2FUNCS=`echo $LIB2FUNCS | sed -e 's/^'$name' //' \
 118                                          -e 's/ '$name' / /' \
 119                                          -e 's/ '$name'$//'`
 120       done
 121       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 122     done
 123     ;;
 124
 125   Xlibgcc1.a)
 126     for name in $LIB1FUNCS; do
 127       out="libgcc/${name}${objext}"
 128
 129       echo $out: $libgcc1_c_dep
 130       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 131         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
 132       else
 133         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
 134         echo "  mv libgcc1${objext} $out"
 135       fi
 136
 137       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 138     done
 139
 140     for file in $LIB1FUNCS_EXTRA; do
 141       name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
 142       out="libgcc/${name}${objext}"
 143
 144       echo $out: $file
 145       if [ ${name}.asm = $file ]; then
 146         echo "  cp $file ${name}.s"
 147         file=${name}.s
 148       fi
 149
 150       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 151         echo "  $oldcc_compile" -c $file -o $out
 152       else
 153         echo "  $oldcc_compile" -c $file
 154         tmp=`echo $file | sed -e 's/[.][cs]$/'${objext}/ -e 's,.*/,,'`
 155         echo "  mv $tmp $out"
 156       fi
 157
 158       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 159     done
 160     ;;
 161   *)
 162     echo "I'm confused about libgcc1." 1>&2
 163     exit 1
 164     ;;
 165 esac
 166
 167 #
 168 # Build libgcc2 components.
 169 #
 170
 171 libgcc2_objs=""
 172 libgcc2_st_objs=""
 173
 174 for name in $LIB2FUNCS; 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     echo $out: $libgcc2_c_dep
 181     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
 182       -c '$(srcdir)/libgcc2.c' -o $out
 183   done
 184   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 185 done
 186
 187 for name in $LIB2FUNCS_ST; do
 188   for ml in $MULTILIBS; do
 189     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 190     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 191     out="libgcc/${dir}/${name}${objext}"
 192
 193     echo $out: $libgcc2_c_dep
 194     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
 195       -c '$(srcdir)/libgcc2.c' -o $out
 196   done
 197   libgcc2_st_objs="$libgcc2_st_objs ${name}${objext}"
 198 done
 199
 200 if [ "$FPBIT" ]; then
 201   for name in $FPBIT_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: $FPBIT $fpbit_c_dep
 208       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 209         -c $FPBIT -o $out
 210     done
 211     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 212   done
 213 fi
 214
 215 if [ "$DPBIT" ]; then
 216   for name in $DPBIT_FUNCS; do
 217     for ml in $MULTILIBS; do
 218       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 219       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 220       out="libgcc/${dir}/${name}${objext}"
 221
 222       echo $out: $DPBIT $fpbit_c_dep
 223       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 224         -c $DPBIT -o $out
 225     done
 226     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 227   done
 228 fi
 229
 230 for file in $LIB2ADD; do
 231   name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
 232   oname=`echo $name | sed -e 's,.*/,,'`
 233
 234   for ml in $MULTILIBS; do
 235     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 236     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 237     out="libgcc/${dir}/${oname}${objext}"
 238     if [ ${name}.asm = ${file} ]; then
 239       flags="$flags -xassembler-with-cpp"
 240     fi
 241
 242     echo $out: stmp-dirs $file
 243     echo "      $gcc_compile" $flags -c $file -o $out
 244   done
 245   libgcc2_objs="$libgcc2_objs ${oname}${objext}"
 246 done
 247
 248 for file in $LIB2ADDEH; do
 249   name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
 250   oname=`echo $name | sed -e 's,.*/,,'`
 251
 252   for ml in $MULTILIBS; do
 253     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 254     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 255     out="libgcc/${dir}/${oname}${objext}"
 256     if [ ${name}.asm = ${file} ]; then
 257       flags="$flags -xassembler-with-cpp"
 258     fi
 259
 260     echo $out: stmp-dirs $file
 261     echo "      $gcc_compile" $flags -fexceptions -c $file -o $out
 262   done
 263   libgcc2_objs="$libgcc2_objs ${oname}${objext}"
 264 done
 265
 266 for file in $LIB2ADD_ST; do
 267   name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
 268   oname=`echo $name | sed -e 's,.*/,,'`
 269
 270   for ml in $MULTILIBS; do
 271     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 272     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 273     out="libgcc/${dir}/${oname}${objext}"
 274     if [ ${name}.asm = ${file} ]; then
 275       flags="$flags -xassembler-with-cpp"
 276     fi
 277
 278     echo $out: stmp-dirs $file
 279     echo "      $gcc_compile" $flags -c $file -o $out
 280   done
 281   libgcc2_st_objs="$libgcc2_st_objs ${oname}${objext}"
 282 done
 283
 284 # SHLIB_MKMAP
 285 # SHLIB_MAPFILES
 286 for ml in $MULTILIBS; do
 287   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 288   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 289
 290   libgcc_objs=""
 291   for o in $libgcc1_objs; do
 292     if [ "$LIBGCC1" = libgcc1-asm.a ]; then
 293       libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 294     else
 295       libgcc_objs="$libgcc_objs libgcc/$o"
 296     fi
 297   done
 298   for o in $libgcc2_objs; do
 299     libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 300   done
 301   shlib_deps="$libgcc_objs"
 302
 303   libgcc_st_objs=""
 304   for o in $libgcc2_st_objs; do
 305     libgcc_st_objs="$libgcc_st_objs libgcc/${dir}/$o"
 306   done
 307
 308   if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" -a -z "$mapfile" ]; then
 309     mapfile="libgcc.map"
 310     echo ""
 311     echo "${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES $libgcc_objs"
 312     echo '      { $(NM_FOR_TARGET)'" $SHLIB_NM_FLAGS $libgcc_objs; echo %%; cat $SHLIB_MAPFILES; } | "'$(AWK)'" -f $SHLIB_MKMAP > "'tmp-$@'
 313     echo '      mv tmp-$@ $@'
 314   fi
 315   shlib_deps="$shlib_deps $mapfile"
 316
 317   # Depend on EXTRA_MULTILIB_PARTS, since that's where crtbegin/end
 318   # usually are put in a true multilib situation.
 319   for f in $EXTRA_MULTILIB_PARTS; do
 320     shlib_deps="$shlib_deps $dir/$f"
 321   done
 322
 323   echo ""
 324   echo "${dir}/libgcc.a: $libgcc_objs $libgcc_st_objs"
 325   echo "        -rm -rf ${dir}/libgcc.a"
 326   echo '        $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc.a $libgcc_objs $libgcc_st_objs
 327   echo '        if $(RANLIB_TEST_FOR_TARGET) ; then' \\
 328   echo '          $(RANLIB_FOR_TARGET)' ${dir}/libgcc.a ';' \\
 329   echo '        else true; fi;'
 330
 331   if [ "$SHLIB_LINK" ]; then
 332     if [ -z "$SHLIB_MULTILIB" ]; then
 333       if [ "$dir" = "." ]; then
 334         shlib_base_name="libgcc_s";
 335       else
 336         shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
 337       fi
 338       echo ""
 339       echo "${dir}/${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
 340       echo "    $SHLIB_LINK" \
 341          | sed -e "s%@multilib_flags@%$flags%g" \
 342                -e "s%@multilib_dir@%$dir%g" \
 343                -e "s%@shlib_objs@%$libgcc_objs%g" \
 344                -e "s%@shlib_base_name@%$shlib_base_name%g" \
 345                -e "s%@shlib_map_file@%$mapfile%g"
 346     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 347       shlib_base_name="libgcc_s";
 348       echo ""
 349       echo "${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
 350       echo "    $SHLIB_LINK" \
 351          | sed -e "s%@multilib_flags@%$flags%g" \
 352                -e "s%@multilib_dir@%$dir%g" \
 353                -e "s%@shlib_objs@%$libgcc_objs%g" \
 354                -e "s%@shlib_base_name@%$shlib_base_name%g" \
 355                -e "s%@shlib_map_file@%$mapfile%g"
 356     fi
 357   fi
 358 done
 359
 360 dirs=libgcc
 361 for ml in $MULTILIBS; do
 362   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 363   if [ $dir != . ]; then
 364     dirs="$dirs libgcc/${dir}"
 365   fi
 366 done
 367 echo ''
 368 echo 'libgcc-stage-start:'
 369 echo '  for dir in '"${dirs}"'; do \'
 370 echo '    if [ -d $(stage)/$$dir ]; then true; else mkdir $(stage)/$$dir; fi; \'
 371 echo '  done'
 372 echo '  -for dir in '"${dirs}"'; do \'
 373 echo '    mv $$dir/*'"${objext}"' $(stage)/$$dir; \'
 374 echo '  done'
 375
 376 echo ""
 377 all=stmp-dirs
 378 dirs=libgcc
 379
 380 for ml in $MULTILIBS; do
 381   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 382   if [ $dir != . ]; then
 383     dirs="$dirs ${dir} libgcc/${dir}"
 384   fi
 385   all="$all ${dir}/libgcc.a"
 386   if [ "$SHLIB_LINK" ]; then
 387     if [ -z "$SHLIB_MULTILIB" ]; then
 388       if [ "$dir" = "." ]; then
 389         suff="";
 390       else
 391         suff=_`echo $dir | sed s,/,_,g`
 392       fi
 393       all="$all ${dir}/libgcc_s${suff}${SHLIB_EXT}"
 394     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 395       all="$all libgcc_s${SHLIB_EXT}"
 396     fi
 397   fi
 398 done
 399
 400 echo 'stmp-dirs: force'
 401 echo '  for d in '"$dirs"'; do \'
 402 echo '    if [ -d $$d ]; then true; else mkdir $$d; fi \'
 403 echo '  done'
 404 echo '  if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi'
 405
 406 for f in $EXTRA_MULTILIB_PARTS; do
 407   for ml in $MULTILIBS; do
 408     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 409     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 410     case $dir in
 411     .) out=$f ; t= ;;
 412     *) out=$dir/$f ; t=$dir/ ;;
 413     esac
 414     case $out in
 415     # Prevent `make' from interpreting $out as a macro assignment
 416     *'$(EQ)'*) targ="T_TARGET=$out T_TARGET" ;;
 417     *) targ=$out ;;
 418     esac
 419
 420     echo $out: stmp-dirs
 421     echo "      $make_compile" \\
 422     echo '        LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 423     echo '        MULTILIB_CFLAGS="'$flags'"' T=$t $targ
 424
 425     all="$all $out"
 426   done
 427 done
 428
 429 echo ""
 430 echo "all: $all"
 431
 432 echo ""
 433 echo "install: $all"
 434 for ml in $MULTILIBS; do
 435   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 436   if [ $dir != . ]; then
 437     ldir='$(libsubdir)'/$dir
 438     echo "      if [ -d $ldir ]; then true; else mkdir $ldir; chmod a+rx $ldir; fi;"
 439   else
 440     ldir='$(libsubdir)'
 441   fi
 442   echo '        $(INSTALL_DATA)' ${dir}/libgcc.a ${ldir}/
 443   echo '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcc.a
 444
 445   if [ "$SHLIB_LINK" ]; then
 446     if [ -z "$SHLIB_MULTILIB" ]; then
 447       if [ "$dir" = "." ]; then
 448         shlib_base_name="libgcc_s";
 449       else
 450         shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
 451       fi
 452       echo "    $SHLIB_INSTALL" \
 453         | sed -e "s%@shlib_base_name@%$shlib_base_name%g"
 454     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 455       shlib_base_name="libgcc_s";
 456       echo "    $SHLIB_INSTALL" \
 457         | sed -e "s%@shlib_base_name@%$shlib_base_name%g"
 458     fi
 459   fi
 460 done
 461 for f in $EXTRA_MULTILIB_PARTS; do
 462   for ml in $MULTILIBS; do
 463     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 464     if [ $dir != . ]; then
 465       out=${dir}/$f
 466       ldir='$(libsubdir)'/$dir
 467     else
 468       out=$f
 469       ldir='$(libsubdir)'
 470     fi
 471     echo '      $(INSTALL_DATA)' $out $ldir/
 472   done
 473 done