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