gcc/mklibgcc.in

   1 #!/bin/sh
   2 # Construct makefile for libgcc.
   3 #   Copyright (C) 2000, 2002, 2003 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_MULTILIB
  37 # SHLIB_MKMAP
  38 # SHLIB_MKMAP_OPTS
  39 # SHLIB_MAPFILES
  40 # SHLIB_NM_FLAGS
  41 # SHLIB_INSTALL
  42 # MULTILIB_OSDIRNAMES
  43 # ASM_HIDDEN_OP
  44
  45 # Make needs VPATH to be literal.
  46 echo 'srcdir = @srcdir@'
  47 echo 'VPATH = @srcdir@'
  48 echo 'EQ = ='
  49 echo 'objects = $(filter %'$objext',$^)'
  50 echo
  51 echo '# Dependencies are accumulated as we go.'
  52 echo 'all: stmp-dirs'
  53 echo 'dirs = libgcc'
  54 echo
  55
  56 # Library members defined in libgcc2.c.
  57 lib2funcs='_muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3
  58         _cmpdi2 _ucmpdi2 _floatdidf _floatdisf _fixunsdfsi _fixunssfsi
  59         _fixunsdfdi _fixdfdi _fixunssfdi _fixsfdi _fixxfdi _fixunsxfdi
  60         _floatdixf _fixunsxfsi _fixtfdi _fixunstfdi _floatditf _clear_cache
  61         _enable_execute_stack _trampoline __main _absvsi2 _absvdi2 _addvsi3
  62         _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 _ctors
  63         _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 _ctzsi2 _ctzdi2 _popcount_tab
  64         _popcountsi2 _popcountdi2 _paritysi2 _paritydi2'
  65
  66 # Disable SHLIB_LINK if shared libgcc not enabled.
  67 if [ "@enable_shared@" = "no" ]; then
  68   SHLIB_LINK=""
  69 fi
  70
  71 # Build lines.
  72
  73 gcc_compile='$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES)'
  74 make_compile='$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
  75           AR_FOR_TARGET="$(AR_FOR_TARGET)" \
  76           AR_CREATE_FOR_TARGET="$(AR_CREATE_FOR_TARGET)" \
  77           AR_EXTRACT_FOR_TARGET="$(AR_EXTRACT_FOR_TARGET)" \
  78           AR_FLAGS_FOR_TARGET="$(AR_FLAGS_FOR_TARGET)" \
  79           CC="$(CC)" CFLAGS="$(CFLAGS)" \
  80           BUILD_PREFIX="$(BUILD_PREFIX)" \
  81           BUILD_PREFIX_1="$(BUILD_PREFIX_1)" \
  82           LANGUAGES="$(LANGUAGES)"'
  83
  84 # Generic dependencies for libgcc
  85 libgcc_dep='$(CONFIG_H) coretypes.h $(TM_H) $(MACHMODE_H) longlong.h config.status stmp-int-hdrs tsystem.h'
  86
  87 # Dependencies for libgcc2.c
  88 libgcc2_c_dep='stmp-dirs $(srcdir)/libgcc2.c $(srcdir)/libgcc2.h gbl-ctors.h'" $libgcc_dep"
  89
  90 # Dependencies for libgcov.c
  91 libgcov_c_dep='stmp-dirs $(srcdir)/libgcov.c $(srcdir)/gcov-io.h $(srcdir)/gcov-io.c gcov-iov.h'" $libgcc_dep"
  92
  93 # Dependencies for fp-bit.c
  94 fpbit_c_dep='stmp-dirs config.status tsystem.h'
  95
  96 if [ "$SHLIB_LINK" ]; then
  97   # Test -fvisibility=hidden.  We need both a -fvisibility=hidden on
  98   # the command line, and a #define to prevent libgcc2.h etc from
  99   # overriding that with #pragmas.  The dance with @ is to prevent
 100   # echo from seeing anything it might take for an option.
 101   echo "vis_hide := \$(strip \$(subst @,-,\\"
 102   echo "    \$(shell if echo 'void foo(void); void foo(void) {}' | \\"
 103   echo "          $gcc_compile -fvisibility=hidden -Werror \\"
 104   echo "          -c -xc - -o /dev/null 2> /dev/null; \\"
 105   echo "          then echo @fvisibility=hidden @DHIDE_EXPORTS; \\"
 106   echo "          fi)))"
 107   echo
 108
 109   # If we have -fvisibility=hidden, then we need to generate hide
 110   # lists for object files implemented in assembly.  The default
 111   # pseudo-op for this is ".hidden", but can be overridden with
 112   # ASM_HIDDEN_OP.
 113   [ "$ASM_HIDDEN_OP" ] || ASM_HIDDEN_OP=".hidden"
 114
 115   echo "ifneq (,\$(vis_hide))"
 116   echo "define gen-hide-list"
 117   echo "\$(NM_FOR_TARGET) ${SHLIB_NM_FLAGS} \$< | \\"
 118   # non-GNU nm emits three fields even for undefined and typeless symbols,
 119   # so explicitly omit them
 120   echo "  \$(AWK) 'NF == 3 && \$\$2 !~ /^[UN]\$\$/ { print \"\\t${ASM_HIDDEN_OP}\", \$\$3 }' > \$@T"
 121   echo "mv -f \$@T \$@"
 122   echo "endef"
 123   echo "else"
 124   echo "gen-hide-list = echo > \$@"
 125   echo "endif"
 126   echo
 127 else
 128   # It is too hard to guarantee that vis_hide and gen-hide-list will never
 129   # be referenced if SHLIB_LINK is not set, so set them to the values they'd
 130   # have if SHLIB_LINK were set and we didn't have visibility support.
 131   echo "vis_hide ="
 132   echo "gen-hide-list = echo > \$@"
 133 fi
 134
 135 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 136 # defined as optimized assembly code in LIB1ASMFUNCS.
 137 for name in $LIB1ASMFUNCS; do
 138   lib2funcs=`echo $lib2funcs | sed -e 's/^'$name' //' \
 139                                    -e 's/ '$name' / /' \
 140                                    -e 's/ '$name'$//'`
 141   LIB2_DIVMOD_FUNCS=`echo $LIB2_DIVMOD_FUNCS | sed -e 's/^'$name' //' \
 142                                                    -e 's/ '$name' / /' \
 143                                                    -e 's/ '$name'$//'`
 144 done
 145
 146 #
 147 # Rules to generate object files.
 148 #
 149
 150 for ml in $MULTILIBS; do
 151
 152   # Work out relevant parameters that depend only on the multilib.
 153   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 154   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 155   shlib_dir=
 156   shlib_dir_qual=
 157   libgcc_a=$dir/libgcc.a
 158   libgcov_a=$dir/libgcov.a
 159   libgcc_eh_a=
 160   libgcc_s_so=
 161   libunwind_a=
 162   libunwind_so=
 163   if [ "$dir" = . ]; then
 164     suffix=
 165   else
 166     suffix=`echo $dir | sed s,/,_,g`
 167   fi
 168
 169   if [ "$LIBUNWIND" ]; then
 170     libunwind_a=$dir/libunwind.a
 171   fi
 172   if [ "$SHLIB_LINK" ]; then
 173     if [ -z "$SHLIB_MULTILIB" ]; then
 174       if [ "$dir" = . ]; then
 175         libgcc_eh_a=$dir/libgcc_eh.a
 176         libgcc_s_so_base=libgcc_s
 177         libgcc_s_so=${libgcc_s_so_base}${SHLIB_EXT}
 178         libgcc_s_soname=libgcc_s
 179         if [ "$LIBUNWIND" ]; then
 180           libunwind_so_base=libunwind
 181           libunwind_so=${libunwind_so_base}${SHLIB_EXT}
 182           libunwind_soname=libunwind
 183         fi
 184       else
 185         libgcc_eh_a=$dir/libgcc_eh.a
 186         libgcc_s_so_base=libgcc_s_${suffix}
 187         libgcc_s_so=${libgcc_s_so_base}${SHLIB_EXT}
 188         libgcc_s_soname=libgcc_s_${suffix}
 189         if [ "$LIBUNWIND" ]; then
 190           libunwind_so_base=libunwind_${suffix}
 191           libunwind_so=${libunwind_so_base}${SHLIB_EXT}
 192         fi
 193       fi
 194
 195       if [ -n "$MULTILIB_OSDIRNAMES" ]; then
 196         if [ "$dir" != . ]; then
 197           gcc_multilib_dir=`./xgcc -B./ $flags --print-multi-directory`
 198           os_multilib_dir=`./xgcc -B./ $flags --print-multi-os-directory`
 199           shlib_dir="$dir"/
 200           gcc_multilib_sup=`echo $gcc_multilib_dir | sed 's~^[^/]*/~~'`
 201           os_multilib_base=`echo $os_multilib_dir | sed -n "s~/${gcc_multilib_sup}\$~~p"`
 202           if [ -z "$os_multilib_base" ]; then
 203             libgcc_s_soname=libgcc_s
 204             libunwind_soname=libunwind
 205             if [ "$os_multilib_dir" != "." ]; then
 206               shlib_dir_qual="/$os_multilib_dir"
 207             fi
 208           else
 209             libgcc_s_soname=libgcc_s_`echo $gcc_multilib_sup | sed s,/,_,g`
 210             libunwind_soname=libunwind_`echo $gcc_multilib_sup | sed s,/,_,g`
 211             shlib_dir_qual="/$os_multilib_base"
 212           fi
 213         fi
 214       fi
 215
 216     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 217       libgcc_eh_a=$dir/libgcc_eh.a
 218       libgcc_s_so_base=libgcc_s
 219       libgcc_s_so=${libgcc_s_so_base}${SHLIB_EXT}
 220       libgcc_s_soname=libgcc_s
 221       if [ "$LIBUNWIND" ]; then
 222         libunwind_so_base=libunwind
 223         libunwind_so=${libunwind_so_base}${SHLIB_EXT}
 224         libunwind_soname=libunwind
 225       fi
 226     fi
 227   fi
 228   libgcc_s_so_extra=
 229   libunwind_so_extra=
 230
 231   echo
 232   echo \#
 233   echo \# ml: $ml
 234   echo \# dir: $dir
 235   echo \# flags: $flags
 236   echo \# libgcc_a: $libgcc_a
 237   echo \# libgcov_a: $libgcov_a
 238   echo \# libgcc_eh_a: $libgcc_eh_a
 239   echo \# libunwind_a: $libunwind_a
 240   echo \#
 241   echo \# gcc_multilib_dir: $gcc_multilib_dir
 242   echo \# gcc_multilib_sup: $gcc_multilib_sup
 243   echo \# os_multilib_dir: $os_multilib_dir
 244   echo \# os_multilib_base: $os_multilib_base
 245   echo \# shlib_dir: $shlib_dir
 246   echo \# shlib_dir_qual: $shlib_dir_qual
 247   echo \#
 248   echo \# libgcc_s_so: $libgcc_s_so
 249   echo \# libgcc_s_so_base: $libgcc_s_so_base
 250   echo \# libgcc_s_soname: $libgcc_s_soname
 251   echo \#
 252   echo \# libunwind_so: $libunwind_so
 253   echo \# libunwind_so_base: $libunwind_so_base
 254   echo \# libunwind_soname: $libunwind_soname
 255   echo \#
 256   echo
 257
 258   # Update list of directories.
 259   if [ $dir != . ]; then
 260     echo "dirs += ${dir} libgcc/${dir}"
 261     echo
 262   fi
 263
 264   #
 265   # Build libgcc1 components.
 266   #
 267   for name in $LIB1ASMFUNCS; do
 268     if [ "$libgcc_s_so" ]; then
 269       out="libgcc/${dir}/${name}${objext}"
 270       outS="libgcc/${dir}/${name}_s${objext}"
 271       outV="libgcc/${dir}/${name}.vis"
 272
 273       echo ${outS}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 274       echo "    $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 275           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $outS
 276
 277       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)' ${outV}
 278       echo "    $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 279           -c '$(srcdir)/config/$(LIB1ASMSRC)' -include $outV -o $out
 280
 281       echo "${outV}: ${outS}; \$(gen-hide-list)"
 282
 283       echo $libgcc_a: $out
 284       echo $libgcc_s_so: $outS
 285       if [ "$SHLIB_MKMAP" ]; then
 286         echo libgcc/${dir}/libgcc.map: $outS
 287       fi
 288     else
 289       out="libgcc/${dir}/${name}${objext}"
 290       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 291       echo "    $gcc_compile" $flags -DL$name -xassembler-with-cpp \
 292           -c '$(srcdir)/config/$(LIB1ASMSRC)' -o $out
 293       echo $libgcc_a: $out
 294     fi
 295   done
 296
 297   #
 298   # Build libgcc2 components.
 299   #
 300
 301   for name in $lib2funcs; do
 302     if [ "$libgcc_s_so" ]; then
 303       out="libgcc/${dir}/${name}${objext}"
 304       outS="libgcc/${dir}/${name}_s${objext}"
 305
 306       echo $outS: $libgcc2_c_dep
 307       echo "    $gcc_compile" $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $outS
 308
 309       echo $out: $libgcc2_c_dep
 310       echo "    $gcc_compile" $flags -DL$name '$(vis_hide)' \
 311         -c '$(srcdir)/libgcc2.c' -o $out
 312
 313       echo $libgcc_a: $out
 314       echo $libgcc_s_so: $outS
 315       if [ "$SHLIB_MKMAP" ]; then
 316         echo libgcc/${dir}/libgcc.map: $outS
 317       fi
 318     else
 319       out="libgcc/${dir}/${name}${objext}"
 320       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 321       echo "    $gcc_compile" $flags -DL$name -c '$(srcdir)/libgcc2.c' -o $out
 322       echo $libgcc_a: $out
 323     fi
 324   done
 325
 326   for name in $LIB2FUNCS_ST; do
 327     out="libgcc/${dir}/${name}${objext}"
 328
 329     echo $out: $libgcc2_c_dep
 330     echo "      $gcc_compile" $flags -DL$name '$(vis_hide)' \
 331       -c '$(srcdir)/libgcc2.c' -o $out
 332     echo ${dir}/libgcc.a: $out
 333   done
 334
 335   for name in $LIB2_DIVMOD_FUNCS; do
 336     if [ "$libgcc_s_so" ]; then
 337       out="libgcc/${dir}/${name}${objext}"
 338       outS="libgcc/${dir}/${name}_s${objext}"
 339
 340       echo $outS: $libgcc2_c_dep
 341       echo "    $gcc_compile" $flags -DL$name \
 342         -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $outS
 343
 344       echo $out: $libgcc2_c_dep
 345       echo "    $gcc_compile" $flags -DL$name '$(vis_hide)' \
 346         -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $out
 347
 348       echo $libgcc_a: $out
 349       echo $libgcc_s_so: $outS
 350       if [ "$SHLIB_MKMAP" ]; then
 351         echo libgcc/${dir}/libgcc.map: $outS
 352       fi
 353     else
 354       out="libgcc/${dir}/${name}${objext}"
 355       echo ${out}: stmp-dirs '$(srcdir)/config/$(LIB1ASMSRC)'
 356       echo "    $gcc_compile" $flags -DL$name \
 357         -fexceptions -fnon-call-exceptions -c '$(srcdir)/libgcc2.c' -o $out
 358       echo $libgcc_a: $out
 359     fi
 360   done
 361
 362   #
 363   # Build software floating point functions.
 364   #
 365
 366   if [ "$FPBIT" ]; then
 367     for name in $FPBIT_FUNCS; do
 368       if [ "$libgcc_s_so" ]; then
 369         out="libgcc/${dir}/${name}${objext}"
 370         outS="libgcc/${dir}/${name}_s${objext}"
 371
 372         echo $outS: $FPBIT $fpbit_c_dep
 373         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 374           -c $FPBIT -o $outS
 375
 376         echo $out: $FPBIT $fpbit_c_dep
 377         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 378           '$(vis_hide)' -c $FPBIT -o $out
 379
 380         echo $libgcc_a: $out
 381         echo $libgcc_s_so: $outS
 382         if [ "$SHLIB_MKMAP" ]; then
 383           echo libgcc/${dir}/libgcc.map: $outS
 384         fi
 385       else
 386         out="libgcc/${dir}/${name}${objext}"
 387         echo $out: $FPBIT $fpbit_c_dep
 388         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 389           -c $FPBIT -o $out
 390
 391         echo $libgcc_a: $out
 392       fi
 393     done
 394   fi
 395
 396   if [ "$DPBIT" ]; then
 397     for name in $DPBIT_FUNCS; do
 398       if [ "$libgcc_s_so" ]; then
 399         out="libgcc/${dir}/${name}${objext}"
 400         outS="libgcc/${dir}/${name}_s${objext}"
 401
 402         echo $outS: $DPBIT $fpbit_c_dep
 403         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 404           -c $DPBIT -o $outS
 405
 406         echo $out: $DPBIT $fpbit_c_dep
 407         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 408           '$(vis_hide)' -c $DPBIT -o $out
 409
 410         echo $libgcc_a: $out
 411         echo $libgcc_s_so: $outS
 412         if [ "$SHLIB_MKMAP" ]; then
 413           echo libgcc/${dir}/libgcc.map: $outS
 414         fi
 415       else
 416         out="libgcc/${dir}/${name}${objext}"
 417         echo $out: $DPBIT $fpbit_c_dep
 418         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 419           -c $DPBIT -o $out
 420
 421         echo $libgcc_a: $out
 422       fi
 423     done
 424   fi
 425
 426   if [ "$TPBIT" ]; then
 427     for name in $TPBIT_FUNCS; do
 428       if [ "$libgcc_s_so" ]; then
 429         out="libgcc/${dir}/${name}${objext}"
 430         outS="libgcc/${dir}/${name}_s${objext}"
 431
 432         echo $outS: $TPBIT $fpbit_c_dep
 433         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 434           -c $TPBIT -o $outS
 435
 436         echo $out: $TPBIT $fpbit_c_dep
 437         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 438           '$(vis_hide)' -c $TPBIT -o $out
 439
 440         echo $libgcc_a: $out
 441         echo $libgcc_s_so: $outS
 442         if [ "$SHLIB_MKMAP" ]; then
 443           echo libgcc/${dir}/libgcc.map: $outS
 444         fi
 445       else
 446         out="libgcc/${dir}/${name}${objext}"
 447         echo $out: $TPBIT $fpbit_c_dep
 448         echo "  $gcc_compile" -DFINE_GRAINED_LIBRARIES $flags -DL$name \
 449           -c $TPBIT -o $out
 450
 451         echo $libgcc_a: $out
 452       fi
 453     done
 454   fi
 455
 456   for file in $LIB2ADD; do
 457     name=`echo $file | sed -e 's/[.][cS]$//' -e 's/[.]asm$//'`
 458     oname=`echo $name | sed -e 's,.*/,,'`
 459
 460     if [ "$libgcc_s_so" ]; then
 461       out="libgcc/${dir}/${oname}${objext}"
 462       outS="libgcc/${dir}/${oname}_s${objext}"
 463
 464       case $file in
 465         *.c)
 466           echo $outS: stmp-dirs $file $libgcc_dep
 467           echo "        $gcc_compile" $flags -c $file -o $outS
 468
 469           echo $out: stmp-dirs $file $libgcc_dep
 470           echo "        $gcc_compile" $flags '$(vis_hide)' -c $file -o $out
 471         ;;
 472
 473         *.asm | *.S)
 474           outV="libgcc/${dir}/${oname}.vis"
 475
 476           echo $outS: stmp-dirs $file $libgcc_dep
 477           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 478                  -c $file -o $outS
 479
 480           echo $out: stmp-dirs $file $libgcc_dep $outV
 481           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 482                  -include $outV -c $file -o $out
 483           echo "${outV}: ${outS}; \$(gen-hide-list)"
 484         ;;
 485
 486         *)
 487           echo "Unhandled extension: $file" >&2
 488           exit 1
 489         ;;
 490       esac
 491
 492       echo $libgcc_a: $out
 493       echo $libgcc_s_so: $outS
 494       if [ "$SHLIB_MKMAP" ]; then
 495         echo libgcc/${dir}/libgcc.map: $outS
 496       fi
 497     else
 498       out="libgcc/${dir}/${oname}${objext}"
 499       case $file in
 500         *.c)
 501           echo $out: stmp-dirs $file $libgcc_dep
 502           echo "        $gcc_compile" $flags -c $file -o $out
 503         ;;
 504
 505         *.asm | *.S)
 506           echo $out: stmp-dirs $file $libgcc_dep
 507           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 508                  -c $file -o $out
 509         ;;
 510
 511         *)
 512           echo "Unhandled extension: $file" >&2
 513           exit 1
 514         ;;
 515       esac
 516
 517       echo $libgcc_a: $out
 518     fi
 519   done
 520
 521
 522   for file in $LIB2ADD_ST; do
 523     name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//'`
 524     oname=`echo $name | sed -e 's,.*/,,'`
 525     out="libgcc/${dir}/${oname}${objext}"
 526
 527     case $file in
 528       *.c)
 529         echo $out: stmp-dirs $file $libgcc_dep
 530         echo "  $gcc_compile" $flags '$(vis_hide)' -c $file -o $out
 531       ;;
 532
 533       *.asm | *.S)
 534         # We may have to compile it twice in order to establish the list
 535         # of symbols to be marked hidden.
 536         if [ "$libgcc_so" ]; then
 537           outV="libgcc/${dir}/${oname}.vis"
 538           outT="libgcc/${dir}/${oname}_t${objext}"
 539           echo ${outT}: stmp-dirs $file $libgcc_dep
 540           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 541                   -c $file -o ${outT}
 542           echo $out: stmp-dirs $file $libgcc_dep $outV
 543           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 544                   -include $outV -c $file -o $out
 545           echo "${outV}: ${outT}; \$(gen-hide-list)"
 546         else
 547           echo $out: stmp-dirs $file $libgcc_dep
 548           echo "        $gcc_compile" $flags -xassembler-with-cpp \
 549                   -c $file -o $out
 550         fi
 551       ;;
 552
 553       *)
 554       echo "Unhandled extension: $file" >&2
 555       exit 1
 556       ;;
 557     esac
 558     echo $libgcc_a: $out
 559   done
 560
 561   # If we don't have libgcc_eh.a, only LIB2ADDEH matters.  If we do, only
 562   # LIB2ADDEHSTATIC and LIB2ADDEHSHARED matter.  (Usually all three are
 563   # identical.)  We do _not_ handle assembly files in this context.
 564
 565   if [ "$libgcc_eh_a" ]; then
 566     for file in $LIB2ADDEHSTATIC; do
 567       case $file in
 568         *.c) ;;
 569         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 570        esac
 571
 572       name=`echo $file | sed -e 's/[.]c$//'`
 573       oname=`echo $name | sed -e 's,.*/,,'`
 574       out="libgcc/${dir}/${oname}${objext}"
 575
 576       echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 577       echo "    $gcc_compile" $flags '$(vis_hide)' -fexceptions -c $file -o $out
 578       echo $libgcc_eh_a: $out
 579     done
 580
 581     for file in $LIB2ADDEHSHARED; do
 582       case $file in
 583         *.c) ;;
 584         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 585        esac
 586
 587       name=`echo $file | sed -e 's/[.]c$//'`
 588       oname=`echo $name | sed -e 's,.*/,,'`
 589       out="libgcc/${dir}/${oname}_s${objext}"
 590
 591       echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 592       echo "    $gcc_compile" $flags -fexceptions -c $file -o $out
 593       echo $libgcc_s_so: $out
 594       if [ "$SHLIB_MKMAP" ]; then
 595         echo libgcc/${dir}/libgcc.map: $out
 596       fi
 597     done
 598
 599   else # no libgcc_eh.a
 600     for file in $LIB2ADDEH; do
 601       case $file in
 602         *.c) ;;
 603         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 604        esac
 605
 606       name=`echo $file | sed -e 's/[.]c$//'`
 607       oname=`echo $name | sed -e 's,.*/,,'`
 608       out="libgcc/${dir}/${oname}${objext}"
 609
 610       echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
 611       echo "    $gcc_compile" $flags -fexceptions '$(vis_hide)' -c $file -o $out
 612       echo $libgcc_a: $out
 613     done
 614   fi
 615
 616   # Again, this does not handle assembly.
 617   if [ "$LIBUNWIND" ]; then
 618     for file in $LIBUNWIND; do
 619       case $file in
 620         *.c) ;;
 621         *)   echo "Unhandled extension: $file">&2; exit 1 ;;
 622        esac
 623
 624       name=`echo $file | sed -e 's/[.]c$//'`
 625       oname=`echo $name | sed -e 's,.*/,,'`
 626
 627       if [ "$libunwind_so" ]; then
 628         out="libgcc/${dir}/${oname}${objext}"
 629         outS="libgcc/${dir}/${oname}_s${objext}"
 630
 631         echo $out: stmp-dirs $file $LIBUNWINDDEP
 632         echo "  $gcc_compile $flags -fexceptions \$(vis_hide) -c $file -o $out"
 633
 634         echo $outS: stmp-dirs $file $LIBUNWINDDEP
 635         echo "  $gcc_compile $flags -fexceptions -DSHARED -c $file -o $outS"
 636
 637         echo $libunwind_a: $out
 638         echo $libunwind_so: $outS
 639       else
 640         out="libgcc/${dir}/${oname}${objext}"
 641         echo $out: stmp-dirs $file $LIBUNWINDDEP
 642         echo "  $gcc_compile $flags -fexceptions \$(vis_hide) -c $file -o $out"
 643         echo $libunwind_a: $out
 644       fi
 645     done
 646   fi
 647
 648   #
 649   # build libgcov components
 650   #
 651   for name in $LIBGCOV; do
 652     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 653     flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 654     out="libgcc/${dir}/${name}${objext}"
 655
 656     echo $out: $libgcov_c_dep
 657     echo "      $gcc_compile $flags -DL$name -c \$(srcdir)/libgcov.c -o $out"
 658     echo $libgcov_a: $out
 659   done
 660
 661   # EXTRA_MULTILIB_PARTS.
 662   if [ -n "$EXTRA_MULTILIB_PARTS" ]; then
 663     # Each of the EXTRA_MULTILIB_PARTS is built by recursive invocation
 664     # of the parent Makefile.  We must do this just once for each
 665     # multilib, passing it all the EXTRA_MULTILIB_PARTS as
 666     # simultaneous goal targets, so that rules which cannot execute
 667     # simultaneously are properly serialized.
 668
 669     extra=
 670     echo
 671     for f in $EXTRA_MULTILIB_PARTS; do
 672       case $dir in
 673       .) out=$f ; t= ;;
 674       *) out=$dir/$f ; t=$dir/ ;;
 675       esac
 676       case $out in
 677       # Prevent `make' from interpreting $out as a macro assignment
 678       *'$(EQ)'*) targ="T_TARGET=$out T_TARGET" ;;
 679       *) targ=$out ;;
 680       esac
 681       extra="$extra $targ"
 682     done
 683
 684     echo extra$suffix: stmp-dirs
 685     echo "      $make_compile" \\
 686     echo '        LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS)' $flags '" ' \\
 687     echo '        MULTILIB_CFLAGS="'$flags'"' T=$t $extra
 688     echo "all: extra$suffix"
 689
 690     # Make libunwind.so and libgcc_s.so depend on these, since they
 691     # are likely to be implicitly used by the link process.
 692     if [ "$libgcc_s_so" ]; then
 693       echo "$libgcc_s_so: extra$suffix"
 694     fi
 695     if [ "$libunwind_so" ]; then
 696       echo "$libunwind_so: extra$suffix"
 697     fi
 698   fi
 699
 700   # Library build rules.
 701   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 702   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 703
 704   # Map-file generation.
 705   if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" ]; then
 706     mapfile="libgcc/${dir}/libgcc.map"
 707     tmpmapfile="libgcc/${dir}/tmp-libgcc.map"
 708     # This uses a here document instead of echos because some shells
 709     # will convert the \1 in the second sed command to a control-A.
 710     # The behavior of here documents is more predictable.
 711     cat <<EOF
 712
 713 ${mapfile}: $SHLIB_MKMAP $SHLIB_MAPFILES
 714         { \$(NM_FOR_TARGET) $SHLIB_NM_FLAGS \$(objects); echo %%; \\
 715           cat $SHLIB_MAPFILES \\
 716             | sed -e '/^[   ]*#/d' \\
 717                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \\
 718             | $gcc_compile $flags -E -xassembler-with-cpp -; \\
 719         } | \$(AWK) -f $SHLIB_MKMAP $SHLIB_MKMAP_OPTS > ${tmpmapfile}
 720         mv '$tmpmapfile' \$@
 721 $libgcc_s_so: ${mapfile}
 722 EOF
 723   fi
 724
 725   # Static libraries.
 726
 727   # Each of these .a files depends on stmp-dirs.  It would seem that
 728   # this dependency is redundant, since each of the object files
 729   # itself depends on stmp-dirs.  However, it is possible that there
 730   # are in fact no object files.  In that case, the stmp-dirs
 731   # dependency is required; the directory containing the archive must
 732   # exist before the archive itself can be created.
 733   echo ""
 734   echo "$libgcc_a: stmp-dirs"
 735   echo "        -rm -f $libgcc_a"
 736   echo '        $(AR_CREATE_FOR_TARGET)' $libgcc_a '$(objects)'
 737   echo '        $(RANLIB_FOR_TARGET)' $libgcc_a
 738   echo "all: $libgcc_a"
 739
 740   echo ""
 741   echo "$libgcov_a: stmp-dirs"
 742   echo "        -rm -f $libgcov_a"
 743   echo '        $(AR_CREATE_FOR_TARGET)' $libgcov_a '$(objects)'
 744   echo '        $(RANLIB_FOR_TARGET)' $libgcov_a
 745   echo "all: $libgcov_a"
 746
 747   # These libraries are not always built.
 748   if [ "$libunwind_a" ]; then
 749     echo ""
 750     echo "$libunwind_a: stmp-dirs"
 751     echo "      -rm -f $libunwind_a"
 752     echo '      $(AR_CREATE_FOR_TARGET)' $libunwind_a '$(objects)'
 753     echo '      $(RANLIB_FOR_TARGET)' $libunwind_a
 754     echo "all: $libunwind_a"
 755   fi
 756
 757   if [ "$libgcc_eh_a" ]; then
 758     echo ""
 759     echo "${dir}/libgcc_eh.a: stmp-dirs"
 760     echo "      -rm -f ${dir}/libgcc_eh.a"
 761     echo '      $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc_eh.a '$(objects)'
 762     echo '      $(RANLIB_FOR_TARGET)' ${dir}/libgcc_eh.a
 763     echo "all: $libgcc_eh_a"
 764   fi
 765
 766   # Shared libraries.
 767   if [ "$libgcc_s_so" ]; then
 768     echo ""
 769     echo "$libgcc_s_so: stmp-dirs $libunwind_so"
 770     echo "      $SHLIB_LINK" \
 771          | sed -e "s%@multilib_flags@%$flags%g" \
 772                -e "s%@multilib_dir@%$dir%g" \
 773                -e "s%@shlib_objs@%\$(objects)%g" \
 774                -e "s%@shlib_base_name@%$libgcc_s_so_base%g" \
 775                -e "s%@shlib_so_name@%$libgcc_s_soname%g" \
 776                -e "s%@shlib_map_file@%$mapfile%g" \
 777                -e "s%@shlib_slibdir_qual@%$shlib_dir_qual%g"
 778     echo "all: $libgcc_s_so"
 779   fi
 780
 781   if [ "$libunwind_so" ]; then
 782     echo ""
 783     echo "$libunwind_so: stmp-dirs"
 784     echo "      $SHLIBUNWIND_LINK" \
 785            | sed -e "s%@multilib_flags@%$flags%g" \
 786                  -e "s%@multilib_dir@%$dir%g" \
 787                  -e "s%@shlib_objs@%\$(objects)%g" \
 788                  -e "s%@shlib_base_name@%$libunwind_so_base%g" \
 789                  -e "s%@shlib_so_name@%$libunwind_soname%g" \
 790                  -e "s%@shlib_slibdir_qual@%$shlib_dir_qual%g"
 791     echo "all: $libunwind_so"
 792   fi
 793
 794 done # ml in MULTILIBS
 795
 796 echo
 797 echo "libgcc-stage-start:"
 798 echo "  for dir in \$(dirs); do \\"
 799 echo "    if [ -d \$(stage)/\$\$dir ]; then :; \\"
 800 echo "    else $mkinstalldirs \$(stage)/\$\$dir; fi; \\"
 801 echo "  done"
 802 echo "  -for dir in \$(dirs); do \\"
 803 echo "    mv \$\$dir/*${objext} \$(stage)/\$\$dir; \\"
 804 echo "    mv \$\$dir/*.vis \$(stage)/\$\$dir; \\"
 805 echo "    mv \$\$dir/*.map \$(stage)/\$\$dir; \\"
 806 echo "    test ! -f \$\$dir/libgcc.a || mv \$\$dir/lib* \$(stage)/\$\$dir; \\"
 807 echo "  done"
 808
 809 echo
 810 echo "stmp-dirs:"
 811 echo "  for d in \$(dirs); do \\"
 812 echo "    if [ -d \$\$d ]; then true; else $mkinstalldirs \$\$d; fi; \\"
 813 echo "  done"
 814 echo "  if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi"
 815
 816 echo ""
 817 echo "install: all"
 818 for ml in $MULTILIBS; do
 819   dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 820   flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
 821   if [ $dir != . ]; then
 822     ldir='$(DESTDIR)$(libsubdir)'/$dir
 823     echo "      if [ -d $ldir ]; then true; else $mkinstalldirs $ldir; chmod a+rx $ldir; fi;"
 824   else
 825     ldir='$(DESTDIR)$(libsubdir)'
 826   fi
 827   echo '        $(INSTALL_DATA)' ${dir}/libgcc.a ${ldir}/
 828   echo '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcc.a
 829   echo '        $(INSTALL_DATA)' ${dir}/libgcov.a ${ldir}/
 830   echo '        $(RANLIB_FOR_TARGET)' ${ldir}/libgcov.a
 831
 832   if [ "$SHLIB_LINK" ]; then
 833     echo '      $(INSTALL_DATA)' ${dir}/libgcc_eh.a ${ldir}/
 834     echo '      $(RANLIB_FOR_TARGET)' ${ldir}/libgcc_eh.a
 835
 836     if [ -z "$SHLIB_MULTILIB" ]; then
 837       if [ "$dir" = . ]; then
 838         shlib_base_name=libgcc_s
 839         shlibunwind_base_name=libunwind
 840       else
 841         shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
 842         shlibunwind_base_name=libunwind_`echo $dir | sed s,/,_,g`
 843       fi
 844       shlib_so_name="$shlib_base_name"
 845       shlibunwind_so_name="$shlibunwind_base_name"
 846       shlib_dir=
 847       shlib_slibdir_qual=
 848       if [ -n "$MULTILIB_OSDIRNAMES" ]; then
 849         gcc_multilib_dir=`./xgcc -B./ $flags --print-multi-directory`
 850         os_multilib_dir=`./xgcc -B./ $flags --print-multi-os-directory`
 851         if [ "$dir" != . ]; then
 852           shlib_dir="$dir"/
 853         fi
 854         gcc_multilib_sup=`echo $gcc_multilib_dir | sed 's~^[^/]*/~~'`
 855         os_multilib_base=`echo $os_multilib_dir | sed -n "s~/${gcc_multilib_sup}\$~~p"`
 856         if [ -z "$os_multilib_base" ]; then
 857           shlib_so_name=libgcc_s
 858           shlibunwind_so_name=libunwind
 859           if [ "$os_multilib_dir" != "." ]; then
 860             shlib_slibdir_qual="/$os_multilib_dir"
 861           fi
 862         else
 863           shlib_so_name=libgcc_s_`echo $gcc_multilib_sup | sed s,/,_,g`
 864           shlibunwind_so_name=libunwind_`echo $gcc_multilib_sup | sed s,/,_,g`
 865           shlib_slibdir_qual="/$os_multilib_base"
 866         fi
 867       fi
 868       echo "    $SHLIB_INSTALL" \
 869         | sed -e "s%@shlib_base_name@%$shlib_base_name%g" \
 870               -e "s%@shlib_so_name@%$shlib_so_name%g" \
 871               -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
 872       if [ "$LIBUNWIND" ]; then
 873         echo "  $SHLIBUNWIND_INSTALL" \
 874            | sed -e "s%@shlib_base_name@%$shlibunwind_base_name%g" \
 875                  -e "s%@shlib_so_name@%$shlibunwind_so_name%g" \
 876                  -e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
 877         libunwinddir='$(DESTDIR)$(slibdir)$(shlib_slibdir_qual)/$(shlib_dir)'
 878         echo '  $(INSTALL_DATA)' ${dir}/libunwind.a ${libunwinddir}/
 879         echo '  $(RANLIB_FOR_TARGET)' ${libunwinddir}/libunwind.a
 880       fi
 881     elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
 882       shlib_base_name="libgcc_s";
 883       echo "    $SHLIB_INSTALL" \
 884         | sed -e "s%@shlib_base_name@%$shlib_base_name%g" \
 885               -e "s%@shlib_so_name@%$shlib_base_name%g" \
 886               -e "s%@shlib_slibdir_qual@%%g"
 887       if [ "$LIBUNWIND" ]; then
 888         echo "  $SHLIBUNWIND_INSTALL" \
 889            | sed -e "s%@shlib_base_name@%$shlibunwind_base_name%g" \
 890                  -e "s%@shlib_so_name@%$shlibunwind_base_name%g" \
 891                  -e "s%@shlib_slibdir_qual@%%g"
 892         libunwinddir='$(DESTDIR)$(slibdir)'
 893         echo '  $(INSTALL_DATA)' ${dir}/libunwind.a ${libunwinddir}/
 894         echo '  $(RANLIB_FOR_TARGET)' ${libunwinddir}/libunwind.a
 895       fi
 896     fi
 897   fi
 898 done
 899 for f in $EXTRA_MULTILIB_PARTS; do
 900   for ml in $MULTILIBS; do
 901     dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
 902     if [ $dir != . ]; then
 903       out=${dir}/$f
 904       ldir='$(DESTDIR)$(libsubdir)'/$dir
 905     else
 906       out=$f
 907       ldir='$(DESTDIR)$(libsubdir)'
 908     fi
 909     echo '      $(INSTALL_DATA)' $out $ldir/
 910   done
 911 done
 912
 913 echo '.PHONY: all install'