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