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 # SHLIB_INSTALL
  33
  34 # Make needs VPATH to be literal.
  35 echo 'srcdir = @srcdir@'
  36 echo 'VPATH = @srcdir@'
  37 echo 'EQ = ='
  38 echo
  39 echo 'force:'
  40 echo
  41
  42 # Detect gcc as OLDCC.  This indicates a target for which LIB1FUNCS
  43 # is not needed.  This is not quite the same as libgcc1.null, even
  44 # on a target not using libgcc1-asm.a.
  45
  46 if [ "@build_canonical@" = "@target@" ]; then
  47   tmp="tmp-$$.c"
  48   cat > $tmp <<EOF
  49 #ifdef __GNUC__
  50   yes;
  51 #endif
  52 EOF
  53   if $OLDCC -E $tmp | grep yes > /dev/null 2>&1; then
  54     LIB1FUNCS=""
  55   fi
  56   rm -f $tmp
  57 fi
  58
  59 # Disable SHLIB_LINK if shared libgcc not enabled.
  60 if [ "@enable_shared@" = "no" ]; then
  61   SHLIB_LINK=""
  62 fi
  63
  64 # Build lines.
  65
  66 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
  67 oldcc_compile='$(OLDCC) -DIN_LIBGCC1 $(CCLIBFLAGS) $(INCLUDES)'
  68 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
  69           AR_FOR_TARGET="$(AR_FOR_TARGET)" \
  70           AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
  71           AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
  72           AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
  73           CC="$(CC)" CFLAGS="$(CFLAGS)" \
  74           HOST_PREFIX="$(HOST_PREFIX)" \
  75           HOST_PREFIX_1="$(HOST_PREFIX_1)" \
  76           LANGUAGES="$(LANGUAGES)"'
  77
  78 # Dependancies for libgcc1.c
  79 libgcc1_c_dep='stmp-dirs $(srcdir)/libgcc1.c $(CONFIG_H)'
  80
  81 # Dependancies for libgcc2.c
  82 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'
  83
  84 # Dependancies for fp-bit.c
  85 fpbit_c_dep='stmp-dirs config.status tsystem.h'
  86
  87 #
  88 # Build libgcc1 components.
  89 #
  90
  91 libgcc1_objs=""
  92
  93 case X"$LIBGCC1" in
  94   Xlibgcc1.null | X)
  95     ;;
  96
  97   Xlibgcc1.cross)
  98     echo "You must find a way to make libgcc1 components yourself" 1>&2
  99     ;;
 100
 101   Xlibgcc1-asm.a)
 102     for name in $LIB1ASMFUNCS; do
 103       for ml in $MULTILIBS; do
 104         dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 105         flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 106         out="libgcc/${dir}/${name}${objext}"
 107
 108         echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 109         echo "  $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 110           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
 111
 112         # Remove any objects from LIB2FUNCS that are defined as optimized
 113         # assembly code in LIB1ASMFUNCS.
 114         LIB2FUNCS=`echo $LIB2FUNCS | sed -e 's/^'$name' //' \
 115                                          -e 's/ '$name' / /' \
 116                                          -e 's/ '$name'$//'`
 117       done
 118       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 119     done
 120     ;;
 121
 122   Xlibgcc1.a)
 123     for name in $LIB1FUNCS; do
 124       out="libgcc/${name}${objext}"
 125
 126       echo $out: $libgcc1_c_dep
 127       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 128         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c' -o $out
 129       else
 130         echo "  $oldcc_compile" -DL$name $flags -c '$(srcdir)/libgcc1.c'
 131         echo "  mv libgcc1${objext} $out"
 132       fi
 133
 134       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 135     done
 136
 137     for file in $LIB1FUNCS_EXTRA; do
 138       name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
 139       out="libgcc/${name}${objext}"
 140
 141       echo $out: $file
 142       if [ ${name}.asm = $file ]; then
 143         echo "  cp $file ${name}.s"
 144         file=${name}.s
 145       fi
 146
 147       if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
 148         echo "  $oldcc_compile" -c $file -o $out
 149       else
 150         echo "  $oldcc_compile" -c $file
 151         tmp=`echo $file | sed -e 's/[.][cs]$/'${objext}/ -e 's,.*/,,'`
 152         echo "  mv $tmp $out"
 153       fi
 154
 155       libgcc1_objs="$libgcc1_objs ${name}${objext}"
 156     done
 157     ;;
 158   *)
 159     echo "I'm confused about libgcc1." 1>&2
 160     exit 1
 161     ;;
 162 esac
 163
 164 #
 165 # Build libgcc2 components.
 166 #
 167
 168 libgcc2_objs=""
 169
 170 for name in $LIB2FUNCS; do
 171   for ml in $MULTILIBS; do
 172     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 173     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 174     out="libgcc/${dir}/${name}${objext}"
 175
 176     echo $out: $libgcc2_c_dep
 177     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' $flags -DL$name \
 178       -c '$(srcdir)/libgcc2.c' -o $out
 179   done
 180   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 181 done
 182
 183 for name in $LIB2FUNCS_EH; do
 184   for ml in $MULTILIBS; do
 185     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 186     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 187     out="libgcc/${dir}/${name}${objext}"
 188
 189     echo $out: $libgcc2_c_dep
 190     echo "      $gcc_compile" '$(MAYBE_USE_COLLECT2)' -fexceptions \
 191       $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
 192   done
 193   libgcc2_objs="$libgcc2_objs ${name}${objext}"
 194 done
 195
 196 if [ "$FPBIT" ]; then
 197   for name in $FPBIT_FUNCS; do
 198     for ml in $MULTILIBS; do
 199       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 200       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 201       out="libgcc/${dir}/${name}${objext}"
 202
 203       echo $out: $FPBIT $fpbit_c_dep
 204       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 205         -c $FPBIT -o $out
 206     done
 207     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 208   done
 209 fi
 210
 211 if [ "$DPBIT" ]; then
 212   for name in $DPBIT_FUNCS; do
 213     for ml in $MULTILIBS; do
 214       dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 215       flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 216       out="libgcc/${dir}/${name}${objext}"
 217
 218       echo $out: $DPBIT $fpbit_c_dep
 219       echo "    $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 220         -c $DPBIT -o $out
 221     done
 222     libgcc2_objs="$libgcc2_objs ${name}${objext}"
 223   done
 224 fi
 225
 226 for file in $LIB2ADD; do
 227   name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
 228   oname=`echo $name | sed -e 's,.*/,,'`
 229
 230   for ml in $MULTILIBS; do
 231     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 232     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 233     out="libgcc/${dir}/${oname}${objext}"
 234     if [ ${name}.asm = ${file} ]; then
 235       flags="$flags -xassembler-with-cpp"
 236     fi
 237
 238     echo $out: stmp-dirs $file
 239     echo "      $gcc_compile" $flags -c $file -o $out
 240   done
 241   libgcc2_objs="$libgcc2_objs ${oname}${objext}"
 242 done
 243
 244 # SHLIB_MKMAP
 245 # SHLIB_MAPFILES
 246 for ml in $MULTILIBS; do
 247   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 248   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 249
 250   libgcc_objs=""
 251   for o in $libgcc1_objs; do
 252     if [ "$LIBGCC1" = libgcc1-asm.a ]; then
 253       libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 254     else
 255       libgcc_objs="$libgcc_objs libgcc/$o"
 256     fi
 257   done
 258   for o in $libgcc2_objs; do
 259     libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
 260   done
 261   shlib_deps="$libgcc_objs"
 262
 263   if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" -a -z "$mapfile" ]; then
 264     mapfile="libgcc.map"
 265     echo ""
 266     echo "${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES $libgcc_objs"
 267     echo '      { $(NM_FOR_TARGET)'" $SHLIB_NM_FLAGS $libgcc_objs; echo %%; cat $SHLIB_MAPFILES; } | "'$(AWK)'" -f $SHLIB_MKMAP > "'tmp-$@'
 268     echo '      mv tmp-$@ $@'
 269   fi
 270   shlib_deps="$shlib_deps $mapfile"
 271
 272   # Depend on EXTRA_MULTILIB_PARTS, since that's where crtbegin/end
 273   # usually are put in a true multilib situation.
 274   for f in $EXTRA_MULTILIB_PARTS; do
 275     shlib_deps="$shlib_deps $dir/$f"
 276   done
 277
 278   echo ""
 279   echo "${dir}/libgcc.a: $libgcc_objs"
 280   echo "        -rm -rf ${dir}/libgcc.a"
 281   echo '        $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc.a $libgcc_objs
 282   echo '        if $(RANLIB_TEST_FOR_TARGET) ; then' \\
 283   echo '          $(RANLIB_FOR_TARGET)' ${dir}/libgcc.a ';' \\
 284   echo '        else true; fi;'
 285
 286   if [ "$SHLIB_LINK" ]; then
 287     if [ -z "$SHLIB_MULTILIB" ]; then
 288       if [ "$dir" = "." ]; then
 289         shlib_base_name="libgcc_s";
 290       else
 291         shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
 292       fi
 293       echo ""
 294       echo "${dir}/${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
 295       echo "    $SHLIB_LINK" \
 296          | sed -e "s%@multilib_flags@%$flags%g" \
 297                -e "s%@multilib_dir@%$dir%g" \
 298                -e "s%@shlib_objs@%$libgcc_objs%g" \
 299                -e "s%@shlib_base_name@%$shlib_base_name%g" \
 300                -e "s%@shlib_map_file@%$mapfile%g"
 301     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 302       shlib_base_name="libgcc_s";
 303       echo ""
 304       echo "${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
 305       echo "    $SHLIB_LINK" \
 306          | sed -e "s%@multilib_flags@%$flags%g" \
 307                -e "s%@multilib_dir@%$dir%g" \
 308                -e "s%@shlib_objs@%$libgcc_objs%g" \
 309                -e "s%@shlib_base_name@%$shlib_base_name%g" \
 310                -e "s%@shlib_map_file@%$mapfile%g"
 311     fi
 312   fi
 313 done
 314
 315 dirs=libgcc
 316 for ml in $MULTILIBS; do
 317   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 318   if [ $dir != . ]; then
 319     dirs="$dirs libgcc/${dir}"
 320   fi
 321 done
 322 echo ''
 323 echo 'libgcc-stage-start:'
 324 echo '  for dir in '"${dirs}"'; do \'
 325 echo '    if [ -d $(stage)/$$dir ]; then true; else mkdir $(stage)/$$dir; fi; \'
 326 echo '  done'
 327 echo '  -for dir in '"${dirs}"'; do \'
 328 echo '    mv $$dir/*'"${objext}"' $(stage)/$$dir; \'
 329 echo '  done'
 330
 331 echo ""
 332 all=stmp-dirs
 333 dirs=libgcc
 334
 335 for ml in $MULTILIBS; do
 336   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 337   if [ $dir != . ]; then
 338     dirs="$dirs ${dir} libgcc/${dir}"
 339   fi
 340   all="$all ${dir}/libgcc.a"
 341   if [ "$SHLIB_LINK" ]; then
 342     if [ -z "$SHLIB_MULTILIB" ]; then
 343       if [ "$dir" = "." ]; then
 344         suff="";
 345       else
 346         suff=_`echo $dir | sed s,/,_,g`
 347       fi
 348       all="$all ${dir}/libgcc_s${suff}${SHLIB_EXT}"
 349     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 350       all="$all libgcc_s${SHLIB_EXT}"
 351     fi
 352   fi
 353 done
 354
 355 echo 'stmp-dirs: force'
 356 echo '  for d in '"$dirs"'; do \'
 357 echo '    if [ -d $$d ]; then true; else mkdir $$d; fi \'
 358 echo '  done'
 359 echo '  if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi'
 360
 361 for f in $EXTRA_MULTILIB_PARTS; do
 362   for ml in $MULTILIBS; do
 363     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 364     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 365     case $dir in
 366     .) out=$f ; t= ;;
 367     *) out=$dir/$f ; t=$dir/ ;;
 368     esac
 369     case $out in
 370     # Prevent `make' from interpreting $out as a macro assignment
 371     *'$(EQ)'*) targ="T_TARGET=$out T_TARGET" ;;
 372     *) targ=$out ;;
 373     esac
 374
 375     echo $out: stmp-dirs
 376     echo "      $make_compile" \\
 377     echo '        LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 378     echo '        MULTILIB_CFLAGS="'$flags'"' T=$t $targ
 379
 380     all="$all $out"
 381   done
 382 done
 383
 384 echo ""
 385 echo "all: $all"
 386
 387 echo ""
 388 echo "install: $all"
 389 for ml in $MULTILIBS; do
 390   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 391   if [ $dir != . ]; then
 392     ldir='$(libsubdir)'/$dir
 393     echo "      if [ -d $ldir ]; then true; else mkdir $ldir; chmod a+rx $ldir; fi;"
 394   else
 395     ldir='$(libsubdir)'
 396   fi
 397   echo '        $(INSTALL_DATA)' ${dir}/libgcc.a ${ldir}/
 398   echo '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcc.a
 399
 400   if [ "$SHLIB_LINK" ]; then
 401     if [ -z "$SHLIB_MULTILIB" ]; then
 402       if [ "$dir" = "." ]; then
 403         shlib_base_name="libgcc_s";
 404       else
 405         shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
 406       fi
 407       echo "    $SHLIB_INSTALL" \
 408         | sed -e "s%@shlib_base_name@%$shlib_base_name%g"
 409     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 410       shlib_base_name="libgcc_s";
 411       echo "    $SHLIB_INSTALL" \
 412         | sed -e "s%@shlib_base_name@%$shlib_base_name%g"
 413     fi
 414   fi
 415 done
 416 for f in $EXTRA_MULTILIB_PARTS; do
 417   for ml in $MULTILIBS; do
 418     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 419     if [ $dir != . ]; then
 420       out=${dir}/$f
 421       ldir='$(libsubdir)'/$dir
 422     else
 423       out=$f
 424       ldir='$(libsubdir)'
 425     fi
 426     echo '      $(INSTALL_DATA)' $out $ldir/
 427   done
 428 done