gcc/mklibgcc.in

   1 #!/bin/sh
   2 # Construct makefile for libgcc.
   3 #   Copyright (C) 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   4 #
   5 # This file is part of GCC.
   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 # LIB1ASMFUNCS
  12 # LIB2FUNCS_ST
  13 # LIBGCOV
  14 # LIB2ADD
  15 # LIB2ADD_ST
  16 # LIB2ADDEH
  17 # LIB2ADDEHSTATIC
  18 # LIB2ADDEHSHARED
  19 # LIB2ADDEHDEP
  20 # LIBUNWIND
  21 # LIBUNWINDDEP
  22 # SHLIBUNWIND_LINK
  23 # SHLIBUNWIND_INSTALL
  24 # FPBIT
  25 # FPBIT_FUNCS
  26 # LIB2_DIVMOD_FUNCS
  27 # DPBIT
  28 # DPBIT_FUNCS
  29 # TPBIT
  30 # TPBIT_FUNCS
  31 # LIBGCC
  32 # MULTILIBS
  33 # EXTRA_MULTILIB_PARTS
  34 # SHLIB_EXT
  35 # SHLIB_LINK
  36 # SHLIB_MKMAP
  37 # SHLIB_MKMAP_OPTS
  38 # SHLIB_MAPFILES
  39 # SHLIB_NM_FLAGS
  40 # SHLIB_INSTALL
  41 # MULTILIB_OSDIRNAMES
  42 # ASM_HIDDEN_OP
  43 # GCC_FOR_TARGET
  44
  45 # Make needs VPATH to be literal.
  46 echo 'srcdir = @srcdir@'
  47 echo 'VPATH = @srcdir@'
  48 echo 'EQ = ='
  49 echo 'objects = $(filter %'$objext',$^)'
  50 echo
  51 echo '# Dependencies are accumulated as we go.'
  52 echo 'all: stmp-dirs'
  53 echo 'dirs = libgcc'
  54 echo
  55
  56 # Library members defined in libgcc2.c.
  57 lib2funcs='_muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3
  58         _cmpdi2 _ucmpdi2 _floatdidf _floatdisf _fixunsdfsi _fixunssfsi
  59         _fixunsdfdi _fixdfdi _fixunssfdi _fixsfdi _fixxfdi _fixunsxfdi
  60         _floatdixf _fixunsxfsi _fixtfdi _fixunstfdi _floatditf _clear_cache
  61         _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3
  62         _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors
  63         _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab
  64         _popcountsi2 _popcountdi2 _paritysi2 _paritydi2 _powisf2 _powidf2
  65         _powixf2 _powitf2 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3
  66         _divxc3 _divtc3 _floatundidf _floatundisf _floatundixf _floatunditf'
  67
  68 # Disable SHLIB_LINK if shared libgcc not enabled.
  69 if [ "@enable_shared@" = "no" ]; then
  70   SHLIB_LINK=""
  71 fi
  72
  73 # Build lines.
  74
  75 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
  76 gcc_s_compile="$gcc_compile -DSHARED"
  77 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
  78           AR_FOR_TARGET="$(AR_FOR_TARGET)" \
  79           AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
  80           AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
  81           AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
  82           CC="$(CC)" CFLAGS="$(CFLAGS)" \
  83           BUILD_PREFIX="$(BUILD_PREFIX)" \
  84           BUILD_PREFIX_1="$(BUILD_PREFIX_1)" \
  85           LANGUAGES="$(LANGUAGES)"'
  86
  87 # Generic dependencies for libgcc
  88 libgcc_dep='$(CONFIG_H) coretypes.h $(TM_H) $(MACHMODE_H) longlong.h config.status stmp-int-hdrs tsystem.h'
  89
  90 # Dependencies for libgcc2.c
  91 libgcc2_c_dep='stmp-dirs $(srcdir)/libgcc2.c $(srcdir)/libgcc2.h gbl-ctors.h'" $libgcc_dep"
  92
  93 # Dependencies for libgcov.c
  94 libgcov_c_dep='stmp-dirs $(srcdir)/libgcov.c $(srcdir)/gcov-io.h $(srcdir)/gcov-io.c gcov-iov.h'" $libgcc_dep"
  95
  96 # Dependencies for fp-bit.c
  97 fpbit_c_dep='stmp-dirs config.status tsystem.h'
  98
  99 # Flag whether we need eh_dummy.c
 100 need_eh_dummy=
 101
 102 if [ "$SHLIB_LINK" ]; then
 103   # Test -fvisibility=hidden.  We need both a -fvisibility=hidden on
 104   # the command line, and a #define to prevent libgcc2.h etc from
 105   # overriding that with #pragmas.  The dance with @ is to prevent
 106   # echo from seeing anything it might take for an option.
 107   # echo turns the \$\$\$\$ into $$$$ and when make sees it it
 108   # becomes $$ and the shell substitutes the pid. Makes for a
 109   # slightly safer temp file.
 110   echo "vis_hide := \$(strip \$(subst @,-,\\"
 111   echo "    \$(shell if echo 'void foo(void); void foo(void) {}' | \\"
 112   echo "          $gcc_compile -fvisibility=hidden -Werror \\"
 113   echo "          -c -xc - -o vis_temp_file\$\$\$\$.o 2> /dev/null; \\"
 114   echo "          then echo @fvisibility=hidden @DHIDE_EXPORTS; \\"
 115   echo "          rm vis_temp_file\$\$\$\$.o 2> /dev/null; \\"
 116   echo "          fi)))"
 117   echo
 118
 119   # If we have -fvisibility=hidden, then we need to generate hide
 120   # lists for object files implemented in assembly.  The default
 121   # pseudo-op for this is ".hidden", but can be overridden with
 122   # ASM_HIDDEN_OP.
 123   [ "$ASM_HIDDEN_OP" ] || ASM_HIDDEN_OP=".hidden"
 124
 125   echo "ifneq (,\$(vis_hide))"
 126   echo "define gen-hide-list"
 127   echo "\$(NM_FOR_TARGET) ${SHLIB_NM_FLAGS} \$< | \\"
 128   # non-GNU nm emits three fields even for undefined and typeless symbols,
 129   # so explicitly omit them
 130   echo "  \$(AWK) 'NF == 3 && \$\$2 !~ /^[UN]\$\$/ { print \"\\t${ASM_HIDDEN_OP}\", \$\$3 }' > \$@T"
 131   echo "mv -f \$@T \$@"
 132   echo "endef"
 133   echo "else"
 134   echo "gen-hide-list = echo > \$@"
 135   echo "endif"
 136   echo
 137 else
 138   # It is too hard to guarantee that vis_hide and gen-hide-list will never
 139   # be referenced if SHLIB_LINK is not set, so set them to the values they'd
 140   # have if SHLIB_LINK were set and we didn't have visibility support.
 141   echo "vis_hide ="
 142   echo "gen-hide-list = echo > \$@"
 143 fi
 144
 145 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 146 # defined as optimized assembly code in LIB1ASMFUNCS.
 147 for name in $LIB1ASMFUNCS; do
 148   lib2funcs=`echo $lib2funcs | sed -e 's/^'$name' //' \
 149                                    -e 's/ '$name' / /' \
 150                                    -e 's/ '$name'$//'`
 151   LIB2_DIVMOD_FUNCS=`echo $LIB2_DIVMOD_FUNCS | sed -e 's/^'$name' //' \
 152                                                    -e 's/ '$name' / /' \
 153                                                    -e 's/ '$name'$//'`
 154 done
 155
 156 #
 157 # Rules to generate object files.
 158 #
 159
 160 for ml in $MULTILIBS; do
 161
 162   # Work out relevant parameters that depend only on the multilib.
 163   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 164   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 165   shlib_slibdir_qual=
 166   libgcc_a=$dir/libgcc.a
 167   libgcov_a=$dir/libgcov.a
 168   libgcc_eh_a=
 169   libgcc_s_so=
 170   libunwind_a=
 171   libunwind_so=
 172
 173   if [ "$LIBUNWIND" ]; then
 174     libunwind_a=$dir/libunwind.a
 175   fi
 176   if [ "$SHLIB_LINK" ]; then
 177     libgcc_eh_a=$dir/libgcc_eh.a
 178     libgcc_s_so=$dir/libgcc_s${SHLIB_EXT}
 179     if [ "$LIBUNWIND" ]; then
 180       libunwind_so=$dir/libunwind${SHLIB_EXT}
 181     fi
 182     os_multilib_dir=`$GCC_FOR_TARGET $flags --print-multi-os-directory`
 183     if [ "$os_multilib_dir" != . ]; then
 184       shlib_slibdir_qual="/$os_multilib_dir"
 185     fi
 186   fi
 187
 188   libgcc_s_so_extra=
 189   libunwind_so_extra=
 190
 191   echo
 192   echo \#
 193   echo \# ml: $ml
 194   echo \# dir: $dir
 195   echo \# flags: $flags
 196   echo \# libgcc_a: $libgcc_a
 197   echo \# libgcov_a: $libgcov_a
 198   echo \# libgcc_eh_a: $libgcc_eh_a
 199   echo \# libunwind_a: $libunwind_a
 200   echo \#
 201   echo \# shlib_slibdir_qual: $shlib_slibdir_qual
 202   echo \# libgcc_s_so: $libgcc_s_so
 203   echo \# libunwind_so: $libunwind_so
 204   echo \#
 205   echo
 206
 207   # Update list of directories.
 208   if [ $dir != . ]; then
 209     echo "dirs += ${dir} libgcc/${dir}"
 210     echo
 211   fi
 212
 213   #
 214   # Build libgcc1 components.
 215   #
 216   for name in $LIB1ASMFUNCS; do
 217     if [ "$libgcc_s_so" ]; then
 218       out="libgcc/${dir}/${name}${objext}"
 219       outS="libgcc/${dir}/${name}_s${objext}"
 220       outV="libgcc/${dir}/${name}.vis"
 221
 222       echo ${outS}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 223       echo "    $gcc_s_compile" $flags -DL$name -xassembler-with-cpp \
 224           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $outS
 225
 226       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)' ${outV}
 227       echo "    $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 228           -c '$(srcdir)/config/$(LIB1ASMSRC)' -include $outV -o $out
 229
 230       echo "${outV}: ${outS}; \$(gen-hide-list)"
 231
 232       echo $libgcc_a: $out
 233       echo $libgcc_s_so: $outS
 234       if [ "$SHLIB_MKMAP" ]; then
 235         echo libgcc/${dir}/libgcc.map: $outS
 236       fi
 237     else
 238       out="libgcc/${dir}/${name}${objext}"
 239       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 240       echo "    $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 241           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
 242       echo $libgcc_a: $out
 243     fi
 244   done
 245
 246   #
 247   # Build libgcc2 components.
 248   #
 249
 250   for name in $lib2funcs; do
 251     if [ "$libgcc_s_so" ]; then
 252       out="libgcc/${dir}/${name}${objext}"
 253       outS="libgcc/${dir}/${name}_s${objext}"
 254
 255       echo $outS: $libgcc2_c_dep
 256       echo "    $gcc_s_compile" $flags -DL$name -c '$(srcdir)/libgcc2.c' \
 257         -o $outS
 258
 259       echo $out: $libgcc2_c_dep
 260       echo "    $gcc_compile" $flags -DL$name '$(vis_hide)' \
 261         -c '$(srcdir)/libgcc2.c' -o $out
 262
 263       echo $libgcc_a: $out
 264       echo $libgcc_s_so: $outS
 265       if [ "$SHLIB_MKMAP" ]; then
 266         echo libgcc/${dir}/libgcc.map: $outS
 267       fi
 268     else
 269       out="libgcc/${dir}/${name}${objext}"
 270       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 271       echo "    $gcc_compile" $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
 272       echo $libgcc_a: $out
 273     fi
 274   done
 275
 276   for name in $LIB2FUNCS_ST; do
 277     out="libgcc/${dir}/${name}${objext}"
 278
 279     echo $out: $libgcc2_c_dep
 280     echo "      $gcc_compile" $flags -DL$name '$(vis_hide)' \
 281       -c '$(srcdir)/libgcc2.c' -o $out
 282     echo ${dir}/libgcc.a: $out
 283   done
 284
 285   for name in $LIB2_DIVMOD_FUNCS; do
 286     if [ "$libgcc_s_so" ]; then
 287       out="libgcc/${dir}/${name}${objext}"
 288       outS="libgcc/${dir}/${name}_s${objext}"
 289
 290       echo $outS: $libgcc2_c_dep
 291       echo "    $gcc_s_compile" $flags -DL$name \
 292         -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $outS
 293
 294       echo $out: $libgcc2_c_dep
 295       echo "    $gcc_compile" $flags -DL$name '$(vis_hide)' \
 296         -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $out
 297
 298       echo $libgcc_a: $out
 299       echo $libgcc_s_so: $outS
 300       if [ "$SHLIB_MKMAP" ]; then
 301         echo libgcc/${dir}/libgcc.map: $outS
 302       fi
 303     else
 304       out="libgcc/${dir}/${name}${objext}"
 305       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 306       echo "    $gcc_compile" $flags -DL$name \
 307         -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $out
 308       echo $libgcc_a: $out
 309     fi
 310   done
 311
 312   #
 313   # Build software floating point functions.
 314   #
 315
 316   for fpbit_var in FPBIT DPBIT TPBIT ; do
 317       fpfuncs_var="${fpbit_var}_FUNCS"
 318       eval fpbit=\$$fpbit_var
 319       eval fpfuncs=\$$fpfuncs_var
 320
 321       if [ "$fpbit" ] ; then
 322           for name in $fpfuncs; do
 323               if [ "$libgcc_s_so" ]; then
 324                   out="libgcc/${dir}/${name}${objext}"
 325                   outS="libgcc/${dir}/${name}_s${objext}"
 326
 327                   echo $outS: $fpbit $fpbit_c_dep
 328                   echo "        $gcc_s_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 329                       -c $fpbit -o $outS
 330
 331                   echo $out: $fpbit $fpbit_c_dep
 332                   echo "        $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 333                       '$(vis_hide)' -c $fpbit -o $out
 334
 335                   echo $libgcc_a: $out
 336                   echo $libgcc_s_so: $outS
 337                   if [ "$SHLIB_MKMAP" ]; then
 338                       echo libgcc/${dir}/libgcc.map: $outS
 339                   fi
 340               else
 341                   out="libgcc/${dir}/${name}${objext}"
 342                   echo $out: $fpbit $fpbit_c_dep
 343                   echo "        $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 344                       -c $fpbit -o $out
 345
 346                   echo $libgcc_a: $out
 347               fi
 348           done
 349       fi
 350   done
 351
 352   for file in $LIB2ADD; do
 353     name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
 354     oname=`echo $name | sed -e 's,.*/,,'`
 355
 356     if [ "$libgcc_s_so" ]; then
 357       out="libgcc/${dir}/${oname}${objext}"
 358       outS="libgcc/${dir}/${oname}_s${objext}"
 359
 360       case $file in
 361         *.c)
 362           echo $outS: stmp-dirs $file $libgcc_dep
 363           echo "        $gcc_s_compile" $flags -c $file -o $outS
 364
 365           echo $out: stmp-dirs $file $libgcc_dep
 366           echo "        $gcc_compile" $flags '$(vis_hide)' -c $file -o $out
 367         ;;
 368
 369         *.asm | *.S)
 370           outV="libgcc/${dir}/${oname}.vis"
 371
 372           echo $outS: stmp-dirs $file $libgcc_dep
 373           echo "        $gcc_s_compile" $flags -xassembler-with-cpp \
 374                  -c $file -o $outS
 375
 376           echo $out: stmp-dirs $file $libgcc_dep $outV
 377           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 378                  -include $outV -c $file -o $out
 379           echo "${outV}: ${outS}; \$(gen-hide-list)"
 380         ;;
 381
 382         *)
 383           echo "Unhandled extension: $file" >&2
 384           exit 1
 385         ;;
 386       esac
 387
 388       echo $libgcc_a: $out
 389       echo $libgcc_s_so: $outS
 390       if [ "$SHLIB_MKMAP" ]; then
 391         echo libgcc/${dir}/libgcc.map: $outS
 392       fi
 393     else
 394       out="libgcc/${dir}/${oname}${objext}"
 395       case $file in
 396         *.c)
 397           echo $out: stmp-dirs $file $libgcc_dep
 398           echo "        $gcc_compile" $flags -c $file -o $out
 399         ;;
 400
 401         *.asm | *.S)
 402           echo $out: stmp-dirs $file $libgcc_dep
 403           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 404                  -c $file -o $out
 405         ;;
 406
 407         *)
 408           echo "Unhandled extension: $file" >&2
 409           exit 1
 410         ;;
 411       esac
 412
 413       echo $libgcc_a: $out
 414     fi
 415   done
 416
 417
 418   for file in $LIB2ADD_ST; do
 419     name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'`
 420     oname=`echo $name | sed -e 's,.*/,,'`
 421     out="libgcc/${dir}/${oname}${objext}"
 422
 423     case $file in
 424       *.c)
 425         echo $out: stmp-dirs $file $libgcc_dep
 426         echo "  $gcc_compile" $flags '$(vis_hide)' -c $file -o $out
 427       ;;
 428
 429       *.asm | *.S)
 430         # We may have to compile it twice in order to establish the list
 431         # of symbols to be marked hidden.
 432         if [ "$libgcc_so" ]; then
 433           outV="libgcc/${dir}/${oname}.vis"
 434           outT="libgcc/${dir}/${oname}_t${objext}"
 435           echo ${outT}: stmp-dirs $file $libgcc_dep
 436           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 437                   -c $file -o ${outT}
 438           echo $out: stmp-dirs $file $libgcc_dep $outV
 439           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 440                   -include $outV -c $file -o $out
 441           echo "${outV}: ${outT}; \$(gen-hide-list)"
 442         else
 443           echo $out: stmp-dirs $file $libgcc_dep
 444           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 445                   -c $file -o $out
 446         fi
 447       ;;
 448
 449       *)
 450       echo "Unhandled extension: $file" >&2
 451       exit 1
 452       ;;
 453     esac
 454     echo $libgcc_a: $out
 455   done
 456
 457   # If we don't have libgcc_eh.a, only LIB2ADDEH matters.  If we do, only
 458   # LIB2ADDEHSTATIC and LIB2ADDEHSHARED matter.  (Usually all three are
 459   # identical.)
 460
 461   if [ "$libgcc_eh_a" ]; then
 462     for file in $LIB2ADDEHSTATIC; do
 463       name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'`
 464       oname=`echo $name | sed -e 's,.*/,,'`
 465       out="libgcc/${dir}/${oname}${objext}"
 466
 467       case $file in
 468         *.c)
 469           echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 470           echo "        $gcc_compile" $flags -fexceptions '$(vis_hide)' -c $file -o $out
 471           ;;
 472         *.asm | *.S)
 473           # We have to compile it twice in order to establish the list
 474           # of symbols to be marked hidden.
 475           outV="libgcc/${dir}/${oname}.vis"
 476           outT="libgcc/${dir}/${oname}_t${objext}"
 477           echo ${outT}: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 478           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 479                   -c $file -o ${outT}
 480           echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep $outV
 481           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 482                   -include $outV -c $file -o $out
 483           echo "${outV}: ${outT}; \$(gen-hide-list)"
 484           ;;
 485         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 486       esac
 487
 488       echo $libgcc_eh_a: $out
 489     done
 490
 491     for file in $LIB2ADDEHSHARED; do
 492       name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'`
 493       oname=`echo $name | sed -e 's,.*/,,'`
 494       outS="libgcc/${dir}/${oname}_s${objext}"
 495
 496       case $file in
 497         *.c)
 498           echo $outS: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 499           echo "        $gcc_s_compile" $flags -fexceptions -c $file -o $outS
 500           ;;
 501         *.asm | *.S)
 502           echo $outS: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 503           echo "        $gcc_s_compile" $flags -xassembler-with-cpp -c $file -o $outS
 504           ;;
 505         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 506       esac
 507
 508       echo $libgcc_s_so: $outS
 509       if [ "$SHLIB_MKMAP" ]; then
 510         echo libgcc/${dir}/libgcc.map: $outS
 511       fi
 512     done
 513
 514     # If nothing went into libgcc_eh.a, create a dummy object -
 515     # some linkers don't like totally empty archives.
 516     if [ -z "$LIB2ADDEHSTATIC" ]; then
 517       file=eh_dummy.c
 518       out="libgcc/${dir}/eh_dummy${objext}"
 519       need_eh_dummy=1
 520
 521       echo $out: stmp-dirs $file
 522       echo "    $gcc_compile" $flags '$(vis_hide)' -fexceptions -c $file -o $out
 523       echo $libgcc_eh_a: $out
 524     fi
 525
 526
 527   else # no libgcc_eh.a
 528     for file in $LIB2ADDEH; do
 529       name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'`
 530       oname=`echo $name | sed -e 's,.*/,,'`
 531       out="libgcc/${dir}/${oname}${objext}"
 532
 533       case $file in
 534         *.c)
 535           echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 536           echo "        $gcc_compile" $flags '$(vis_hide)' -fexceptions -c $file -o $out
 537           ;;
 538         *.asm | *.S)
 539           echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 540           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 541                   -c $file -o $out
 542           ;;
 543         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 544       esac
 545
 546       echo $libgcc_a: $out
 547     done
 548   fi
 549
 550   # We do _not_ handle assembly files in this context.
 551   if [ "$LIBUNWIND" ]; then
 552     for file in $LIBUNWIND; do
 553       case $file in
 554         *.c) ;;
 555         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 556        esac
 557
 558       name=`echo $file | sed -e 's/[.]c$//'`
 559       oname=`echo $name | sed -e 's,.*/,,'`
 560
 561       if [ "$libunwind_so" ]; then
 562         out="libgcc/${dir}/${oname}${objext}"
 563         outS="libgcc/${dir}/${oname}_s${objext}"
 564
 565         echo $out: stmp-dirs $file $LIBUNWINDDEP
 566         echo "  $gcc_compile $flags -fexceptions \$(vis_hide) -c $file -o $out"
 567
 568         echo $outS: stmp-dirs $file $LIBUNWINDDEP
 569         echo "  $gcc_s_compile $flags -fexceptions -c $file -o $outS"
 570
 571         echo $libunwind_a: $out
 572         echo $libunwind_so: $outS
 573       else
 574         out="libgcc/${dir}/${oname}${objext}"
 575         echo $out: stmp-dirs $file $LIBUNWINDDEP
 576         echo "  $gcc_compile $flags -fexceptions \$(vis_hide) -c $file -o $out"
 577         echo $libunwind_a: $out
 578       fi
 579     done
 580   fi
 581
 582   #
 583   # build libgcov components
 584   #
 585   for name in $LIBGCOV; do
 586     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 587     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 588     out="libgcc/${dir}/${name}${objext}"
 589
 590     echo $out: $libgcov_c_dep
 591     echo "      $gcc_compile $flags -DL$name -c \$(srcdir)/libgcov.c -o $out"
 592     echo $libgcov_a: $out
 593   done
 594
 595   # EXTRA_MULTILIB_PARTS.
 596   if [ -n "$EXTRA_MULTILIB_PARTS" ]; then
 597     # Each of the EXTRA_MULTILIB_PARTS is built by recursive invocation
 598     # of the parent Makefile.  We must do this just once for each
 599     # multilib, passing it all the EXTRA_MULTILIB_PARTS as
 600     # simultaneous goal targets, so that rules which cannot execute
 601     # simultaneously are properly serialized.
 602
 603     extra=
 604     echo
 605     for f in $EXTRA_MULTILIB_PARTS; do
 606       case $dir in
 607       .) out=$f ; t= ;;
 608       *) out=$dir/$f ; t=$dir/ ;;
 609       esac
 610       case $out in
 611       # Prevent `make' from interpreting $out as a macro assignment
 612       *'$(EQ)'*) targ="T_TARGET=$out T_TARGET" ;;
 613       *) targ=$out ;;
 614       esac
 615       extra="$extra $targ"
 616     done
 617
 618     if [ "$dir" = . ]; then
 619       suffix=
 620     else
 621       suffix=`echo $dir | sed s,/,_,g`
 622     fi
 623     echo extra$suffix: stmp-dirs
 624     echo "      $make_compile" \\
 625     echo '        LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 626     echo '        MULTILIB_CFLAGS="'$flags'"' T=$t $extra
 627     echo "all: extra$suffix"
 628
 629     # Make libunwind.so and libgcc_s.so depend on these, since they
 630     # are likely to be implicitly used by the link process.
 631     if [ "$libgcc_s_so" ]; then
 632       echo "$libgcc_s_so: extra$suffix"
 633     fi
 634     if [ "$libunwind_so" ]; then
 635       echo "$libunwind_so: extra$suffix"
 636     fi
 637   fi
 638
 639   # Library build rules.
 640   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 641   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 642
 643   # Map-file generation.
 644   if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" ]; then
 645     mapfile="libgcc/${dir}/libgcc.map"
 646     tmpmapfile="libgcc/${dir}/tmp-libgcc.map"
 647     # This uses a here document instead of echos because some shells
 648     # will convert the \1 in the second sed command to a control-A.
 649     # The behavior of here documents is more predictable.
 650     cat <<EOF
 651
 652 ${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES
 653         { \$(NM_FOR_TARGET) $SHLIB_NM_FLAGS \$(objects); echo %%; \\
 654           cat $SHLIB_MAPFILES \\
 655             | sed -e '/^[   ]*#/d' \\
 656                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \\
 657             | $gcc_compile $flags -E -xassembler-with-cpp -; \\
 658         } | \$(AWK) -f $SHLIB_MKMAP $SHLIB_MKMAP_OPTS > ${tmpmapfile}
 659         mv '$tmpmapfile' \$@
 660 $libgcc_s_so: ${mapfile}
 661 EOF
 662   fi
 663
 664   # Static libraries.
 665
 666   # Each of these .a files depends on stmp-dirs.  It would seem that
 667   # this dependency is redundant, since each of the object files
 668   # itself depends on stmp-dirs.  However, it is possible that there
 669   # are in fact no object files.  In that case, the stmp-dirs
 670   # dependency is required; the directory containing the archive must
 671   # exist before the archive itself can be created.
 672   echo ""
 673   echo "$libgcc_a: stmp-dirs"
 674   echo "        -rm -f $libgcc_a"
 675   echo '        $(AR_CREATE_FOR_TARGET)' $libgcc_a '$(objects)'
 676   echo '        $(RANLIB_FOR_TARGET)' $libgcc_a
 677   echo "all: $libgcc_a"
 678
 679   echo ""
 680   echo "$libgcov_a: stmp-dirs"
 681   echo "        -rm -f $libgcov_a"
 682   echo '        $(AR_CREATE_FOR_TARGET)' $libgcov_a '$(objects)'
 683   echo '        $(RANLIB_FOR_TARGET)' $libgcov_a
 684   echo "all: $libgcov_a"
 685
 686   # These libraries are not always built.
 687   if [ "$libunwind_a" ]; then
 688     echo ""
 689     echo "$libunwind_a: stmp-dirs"
 690     echo "      -rm -f $libunwind_a"
 691     echo '      $(AR_CREATE_FOR_TARGET)' $libunwind_a '$(objects)'
 692     echo '      $(RANLIB_FOR_TARGET)' $libunwind_a
 693     echo "all: $libunwind_a"
 694   fi
 695
 696   if [ "$libgcc_eh_a" ]; then
 697     echo ""
 698     echo "${dir}/libgcc_eh.a: stmp-dirs"
 699     echo "      -rm -f ${dir}/libgcc_eh.a"
 700     echo '      $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc_eh.a '$(objects)'
 701     echo '      $(RANLIB_FOR_TARGET)' ${dir}/libgcc_eh.a
 702     echo "all: $libgcc_eh_a"
 703   fi
 704
 705   # Shared libraries.
 706   if [ "$libgcc_s_so" ]; then
 707     echo ""
 708     echo "$libgcc_s_so: stmp-dirs $libunwind_so"
 709     echo "      $SHLIB_LINK" \
 710          | sed -e "s%@multilib_flags@%$flags%g" \
 711                -e "s%@multilib_dir@%$dir%g" \
 712                -e "s%@shlib_objs@%\$(objects)%g" \
 713                -e "s%@shlib_base_name@%libgcc_s%g" \
 714                -e "s%@shlib_map_file@%$mapfile%g" \
 715                -e "s%@shlib_slibdir_qual@%$shlib_dir_qual%g"
 716     echo "all: $libgcc_s_so"
 717   fi
 718
 719   if [ "$libunwind_so" ]; then
 720     echo ""
 721     echo "$libunwind_so: stmp-dirs"
 722     echo "      $SHLIBUNWIND_LINK" \
 723            | sed -e "s%@multilib_flags@%$flags%g" \
 724                  -e "s%@multilib_dir@%$dir%g" \
 725                  -e "s%@shlib_objs@%\$(objects)%g" \
 726                  -e "s%@shlib_base_name@%libunwind%g" \
 727                  -e "s%@shlib_slibdir_qual@%$shlib_dir_qual%g"
 728     echo "all: $libunwind_so"
 729   fi
 730
 731 done # ml in MULTILIBS
 732
 733 echo
 734 echo "libgcc-stage-start:"
 735 echo "  for dir in \$(dirs); do \\"
 736 echo "    if [ -d \$(stage)/\$\$dir ]; then :; \\"
 737 echo "    else $mkinstalldirs \$(stage)/\$\$dir; fi; \\"
 738 echo "  done"
 739 echo "  -for dir in \$(dirs); do \\"
 740 echo "    mv \$\$dir/*${objext} \$(stage)/\$\$dir; \\"
 741 echo "    mv \$\$dir/*.vis \$(stage)/\$\$dir; \\"
 742 echo "    mv \$\$dir/*.map \$(stage)/\$\$dir; \\"
 743 echo "    test ! -f \$\$dir/libgcc.a || mv \$\$dir/lib* \$(stage)/\$\$dir; \\"
 744 echo "  done"
 745
 746 echo
 747 echo "stmp-dirs:"
 748 echo "  for d in \$(dirs); do \\"
 749 echo "    if [ -d \$\$d ]; then true; else $mkinstalldirs \$\$d; fi; \\"
 750 echo "  done"
 751 echo "  if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi"
 752
 753 if [ "$need_eh_dummy" ]; then
 754   echo "eh_dummy.c:"
 755   echo "        echo 'int __libgcc_eh_dummy;' > \$@"
 756 fi
 757
 758 echo ""
 759 echo "install: all"
 760 for ml in $MULTILIBS; do
 761   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 762   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 763   if [ $dir != . ]; then
 764     ldir='$(DESTDIR)$(libsubdir)'/$dir
 765     echo "      if [ -d $ldir ]; then true; else $mkinstalldirs $ldir; chmod a+rx $ldir; fi;"
 766   else
 767     ldir='$(DESTDIR)$(libsubdir)'
 768   fi
 769   echo '        $(INSTALL_DATA)' ${dir}/libgcc.a ${ldir}/
 770   echo '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcc.a
 771   echo '        $(INSTALL_DATA)' ${dir}/libgcov.a ${ldir}/
 772   echo '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcov.a
 773
 774   if [ "$SHLIB_LINK" ]; then
 775     echo '      $(INSTALL_DATA)' ${dir}/libgcc_eh.a ${ldir}/
 776     echo '      $(RANLIB_FOR_TARGET)' ${ldir}/libgcc_eh.a
 777
 778     shlib_slibdir_qual=
 779     os_multilib_dir=`$GCC_FOR_TARGET $flags --print-multi-os-directory`
 780     if [ "$os_multilib_dir" != . ]; then
 781       shlib_slibdir_qual="/$os_multilib_dir"
 782     fi
 783     echo "      $SHLIB_INSTALL" \
 784       | sed -e "s%@multilib_dir@%$dir%g" \
 785             -e "s%@shlib_base_name@%libgcc_s%g" \
 786             -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
 787     if [ "$LIBUNWIND" ]; then
 788       echo "    $SHLIBUNWIND_INSTALL" \
 789         | sed -e "s%@multilib_dir@%$dir%g" \
 790               -e "s%@shlib_base_name@%libunwind%g" \
 791               -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
 792       libunwinddir='$(DESTDIR)$(slibdir)$(shlib_slibdir_qual)/$(shlib_dir)'
 793       echo '    $(INSTALL_DATA)' ${dir}/libunwind.a ${libunwinddir}/
 794       echo '    $(RANLIB_FOR_TARGET)' ${libunwinddir}/libunwind.a
 795     fi
 796   fi
 797 done
 798 for f in $EXTRA_MULTILIB_PARTS; do
 799   for ml in $MULTILIBS; do
 800     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 801     if [ $dir != . ]; then
 802       out=${dir}/$f
 803       ldir='$(DESTDIR)$(libsubdir)'/$dir
 804     else
 805       out=$f
 806       ldir='$(DESTDIR)$(libsubdir)'
 807     fi
 808     echo '      $(INSTALL_DATA)' $out $ldir/
 809   done
 810 done
 811
 812 echo '.PHONY: all install'