newlib/configure.host

   1 # configure.host
   2
   3 # This shell script handles all host based configuration for newlib.
   4 # It sets various shell variables based on the the host and the
   5 # configuration options.  You can modify this shell script without
   6 # needing to rerun autoconf.
   7
   8 # This shell script should be invoked as
   9 #   . configure.host
  10 # If it encounters an error, it will exit with a message.
  11
  12 # FIXME: This script is too complicated.  It does things in too many
  13 # different ways.  This was taken from the old Cygnus configure script
  14 # with only minor changes.  It should be cleaned up.
  15
  16 # FIXME: The general approach of picking and choosing which
  17 # directories to configure, other than machine_dir and sys_dir, is
  18 # potentially confusing.
  19
  20 # It uses the following shell variables:
  21 #   host                The configuration host
  22 #   host_cpu            The configuration host CPU
  23 #   newlib_mb           --enable-newlib-mb ("yes", "no")
  24 #   target_optspace     --enable-target-optspace ("yes", "no", "")
  25 #   newlib_multithread  --enable-newlib-multithread ("yes", "no", "yes")
  26 #   newlib_elix_level   --enable-newlib-elix-level ("1","2","3","4") ("4")
  27 #   newlib_io_long_long --enable-newlib-io-long-long ("yes", "no", "")
  28 #   newlib_io_long_double --enable-newlib-io-long-double ("yes", "no", "")
  29
  30 # It sets the following shell variables:
  31 #   newlib_cflags       Special CFLAGS to use when building
  32 #   machine_dir         Subdirectory of libc/machine to configure
  33 #   sys_dir             Subdirectory of libc/sys to configure
  34 #   have_sys_mach_dir   Is there a machine subdirectory in sys subdirectory
  35 #   posix_dir           "posix" to build libc/posix, "" otherwise
  36 #   signal_dir          "signal" to build libc/signal, "" otherwise
  37 #   stdio64_dir         "stdio64" to build libc/stdio64, "" otherwise
  38 #   syscall_dir         "syscalls" to build libc/syscalls, "" otherwise
  39 #   unix_dir            "unix" to build libc/unix, "" otherwise
  40 #   use_libtool         flag: use libtool to build newlib?
  41 #   aext                library extension - needed for libtool support
  42 #   oext                object file extension - needed for libtool support
  43 #   crt1                name of crt1 object if one is provided
  44 #   crt1_dir            directory where crt1 object is found
  45
  46 newlib_cflags=
  47 libm_machine_dir=
  48 machine_dir=
  49 sys_dir=
  50 posix_dir=
  51 signal_dir=signal
  52 stdio64_dir=
  53 syscall_dir=
  54 unix_dir=
  55 mach_add_setjmp=
  56 crt1=
  57 crt1_dir=
  58 use_libtool=no
  59 have_sys_mach_dir=no
  60 default_newlib_io_long_long=no
  61 default_newlib_io_long_double=no
  62 default_newlib_io_pos_args=no
  63 aext=a
  64 oext=o
  65
  66 case "${target_optspace}:${host}" in
  67   yes:*)
  68     newlib_cflags="${newlib_cflags} -Os"
  69     ;;
  70   :m32r-* | :d10v-* | :d30v-* | :avr-*)
  71     newlib_cflags="${newlib_cflags} -Os"
  72     ;;
  73   no:* | :*)
  74     newlib_cflags="${newlib_cflags} -O2"
  75     ;;
  76 esac
  77
  78 # Get the source directories to use for the CPU type.
  79 # machine_dir should supply CPU dependent routines, such as setjmp.
  80 # newlib_cflags is passed to gcc when compiling.
  81 # THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.
  82
  83 case "${host_cpu}" in
  84   a29k)
  85         machine_dir=a29k
  86         ;;
  87   arc)
  88         machine_dir=
  89         ;;
  90   arm)
  91         machine_dir=arm
  92         ;;
  93   avr*)
  94         newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mcall-prologues"
  95         ;;
  96   cris | crisv32)
  97         machine_dir=cris
  98         ;;
  99   crx*)
 100         machine_dir=crx
 101         ;;
 102   d10v*)
 103         machine_dir=d10v
 104         ;;
 105   d30v*)
 106         machine_dir=d30v
 107         ;;
 108   ep9312)
 109         machine_dir=arm
 110         ;;
 111   fr30)
 112         machine_dir=fr30
 113         ;;
 114   frv)
 115         machine_dir=frv
 116         ;;
 117   h8300)
 118         machine_dir=h8300
 119         ;;
 120   h8500)
 121         machine_dir=h8500
 122         ;;
 123   hppa*)
 124         machine_dir=hppa
 125         ;;
 126   i960)
 127         machine_dir=i960
 128         ;;
 129   i[34567]86)
 130         # Don't use for these since they provide their own setjmp.
 131         case ${host} in
 132         *-*-sco* | *-*-cygwin*)
 133                 libm_machine_dir=i386
 134                 machine_dir=i386
 135                 ;;
 136         *)
 137                 libm_machine_dir=i386
 138                 machine_dir=i386
 139                 mach_add_setjmp=true
 140                 ;;
 141         esac
 142         ;;
 143   ia64*)
 144         ;;
 145   iq2000)
 146         machine_dir=iq2000
 147         ;;
 148   m32r*)
 149         machine_dir=m32r
 150         ;;
 151
 152   m68hc11|m6811|m68hc12|m6812)
 153         machine_dir=m68hc11
 154         newlib_cflags="-DPREFER_SIZE_OVER_SPEED -Os -mrelax"
 155         CFLAGS="-g -Os"
 156         ;;
 157
 158   m68*)
 159         machine_dir=m68k
 160         newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
 161         ;;
 162   m88k)
 163         machine_dir=m88k
 164         newlib_cflags="${newlib_cflags} -m88000"
 165         ;;
 166   m88110)
 167         machine_dir=m88k
 168         newlib_cflags="${newlib_cflags} -m88110"
 169         ;;
 170   mcore)
 171         ;;
 172   mips*)
 173         machine_dir=mips
 174         ;;
 175   mmix)
 176         ;;
 177   mn10200)
 178         machine_dir=mn10200
 179         ;;
 180   mn10300)
 181         default_newlib_io_long_long="yes"
 182         machine_dir=mn10300
 183         ;;
 184   or16)
 185         ;;
 186   or32)
 187         ;;
 188   powerpc*)
 189         machine_dir=powerpc
 190         ;;
 191   sh | sh64)
 192         machine_dir=sh
 193         ;;
 194   sparc*)
 195         machine_dir=sparc
 196         # FIXME: Might wish to make MALLOC_ALIGNMENT more generic.
 197         newlib_cflags="${newlib_cflags} -DMALLOC_ALIGNMENT=8"
 198         ;;
 199   strongarm)
 200         machine_dir=arm
 201         ;;
 202   xscale)
 203         machine_dir=xscale
 204         ;;
 205   thumb)
 206         machine_dir=arm
 207         ;;
 208   tic4x|c4x)
 209         machine_dir=tic4x
 210         ;;
 211   tic80*)
 212         machine_dir=tic80
 213         ;;
 214   v70)
 215         ;;
 216   v810)
 217         ;;
 218   v850)
 219         machine_dir=v850
 220         newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
 221         ;;
 222   v850e)
 223         machine_dir=v850
 224         newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED "
 225         ;;
 226   w65*)
 227         machine_dir=w65
 228         ;;
 229   xstormy16)
 230         machine_dir=xstormy16
 231         newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED"
 232         newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED"
 233         ;;
 234   z8k)
 235         machine_dir=z8k
 236         ;;
 237   *)
 238         echo '***' "Newlib does not support CPU ${host_cpu}" 1>&2
 239         exit 1
 240         ;;
 241 esac
 242
 243 # Disable thread support if requested.
 244
 245 if [ "${newlib_multithread}" = "no" ] ; then
 246         newlib_cflags="${newlib_cflags} -D__SINGLE_THREAD__"
 247 fi
 248
 249 # Disable syscall support if requested.
 250
 251 if [ "${newlib_may_supply_syscalls}" = "no" ] ; then
 252         newlib_cflags="${newlib_cflags} -D__NO_SYSCALLS__"
 253 fi
 254
 255 # Enable multibyte support if requested or it is defaulted
 256 # for target.
 257
 258 if [ "x${newlib_mb}" = "x" ]; then
 259         case "${host}" in
 260           i[34567]86-pc-linux-*|*-*-cygwin*)
 261                 newlib_mb=yes
 262                 ;;
 263         esac
 264 fi
 265
 266 # Disable printf/scanf floating-point support if requested.
 267
 268 if [ "${newlib_io_float}" = "no" ] ; then
 269         newlib_cflags="${newlib_cflags} -DNO_FLOATING_POINT"
 270 fi
 271
 272 # Verify if shared newlib support is allowed and set appropriate variables
 273 # We don't want to use libtool for platforms that we are not going to
 274 # support shared libraries.  This is because it adds executable tests which
 275 # we don't want for most embedded platforms.
 276 case "${host}" in
 277   i[34567]86-pc-linux-*)
 278     use_libtool=yes
 279     have_sys_mach_dir=yes
 280     stdio64_dir=stdio64
 281     oext=lo
 282     aext=la ;;
 283   *) ;; #shared library not supported for ${host}
 284 esac
 285
 286 # Get the source directories to use for the host.  unix_dir is set
 287 # to unix to get some standard Unix routines.  posix_dir is set to get some
 288 # standard Posix routines.  sys_dir should supply system dependent routines
 289 # including crt0.
 290 # THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.
 291
 292 case "${host}" in
 293   *-*-cygwin*)
 294         posix_dir=posix
 295         stdio64_dir=stdio64
 296         ;;
 297   *-*-netware*)
 298         signal_dir=
 299         sys_dir=netware
 300         ;;
 301   *-*-rtems*)                   # generic RTEMS support
 302         sys_dir=rtems
 303         # RTEMS POSIX support is all inside RTEMS
 304         ;;
 305   a29k-*-*)
 306         sys_dir=a29khif
 307         signal_dir=
 308         ;;
 309   arc-*-*)
 310         sys_dir=arc
 311         ;;
 312   arm-*-*)
 313         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 314           sys_dir=arm
 315         fi
 316         ;;
 317   crx*)
 318         sys_dir=
 319         ;;
 320   d10v*)
 321         sys_dir=d10v
 322         ;;
 323   d30v*)
 324         sys_dir=
 325         ;;
 326   ep9312-*-*)
 327         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 328           sys_dir=arm
 329         fi
 330         ;;
 331   frv*)
 332         sys_dir=
 333         ;;
 334   h8300-*-hms*)
 335         sys_dir=h8300hms
 336         ;;
 337   h8300-*-elf*)
 338         sys_dir=h8300hms
 339         ;;
 340   h8300-*-coff*)
 341         sys_dir=h8300hms
 342         ;;
 343   h8300-*-xray*)
 344         sys_dir=h8300xray
 345         ;;
 346   h8500-*-hms*)
 347         sys_dir=h8500hms
 348         ;;
 349   h8500-*-elf*)
 350         sys_dir=h8500hms
 351         ;;
 352   i[34567]86-*-sco*)
 353         sys_dir=sysvi386
 354         unix_dir=unix
 355         ;;
 356   i[34567]86-pc-linux-*)
 357         sys_dir=linux
 358         unix_dir=unix
 359         posix_dir=posix
 360         crt1=crt1.o
 361         crt1_dir=libc/sys/${sys_dir}
 362         gcc_dir=`gcc -print-search-dirs | awk '/^install:/{print $2}'`
 363         default_newlib_io_long_double="yes"
 364         default_newlib_io_long_long="yes"
 365         default_newlib_io_pos_args="yes"
 366         #newlib_cflags="${newlib_cflags} -Werror" # DEBUGGING ONLY;BREAKS BUILD
 367         newlib_cflags="${newlib_cflags} -Wall"
 368         newlib_cflags="${newlib_cflags} -D_I386MACH_ALLOW_HW_INTERRUPTS"
 369         newlib_cflags="${newlib_cflags} -DHAVE_FCNTL"
 370         # --- Required when building a shared library ------------------------
 371         newlib_cflags="${newlib_cflags} -fPIC -D_I386MACH_NEED_SOTYPE_FUNCTION"
 372         # --- The three lines below are optional ------------------------------
 373         ##newlib_cflags="${newlib_cflags} -nostdinc"
 374         ##newlib_cflags="${newlib_cflags} -I`newlib-flags --kernel-dir`/include"
 375         ##newlib_cflags="${newlib_cflags} -idirafter ${gcc_dir}include"
 376         ;;
 377
 378   m68hc11-*-*|m6811-*-*|m6812-*-*|m68hc12-*-*)
 379         ;;
 380
 381   m68k-sun-sunos*)
 382         unix_dir=unix
 383         ;;
 384   m8*-bug-*)
 385         sys_dir=m88kbug
 386         ;;
 387   mips*-dec-*)
 388         sys_dir=decstation
 389         ;;
 390   mmix-knuth-mmixware)
 391         sys_dir=mmixware
 392         ;;
 393   powerpcle-*-pe)
 394         posix_dir=posix
 395         ;;
 396   sh*-*)
 397         sys_dir=sh
 398         ;;
 399   sparc-sun-sunos*)
 400         sys_dir=sun4
 401         unix_dir=unix
 402         ;;
 403   sparc64*)
 404         sys_dir=sparc64
 405         unix_dir=unix
 406         ;;
 407   strongarm-*-*)
 408         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 409           sys_dir=arm
 410         fi
 411         ;;
 412   thumb-*-*)
 413         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 414           sys_dir=arm
 415         fi
 416         ;;
 417   tic80*)
 418         sys_dir=tic80
 419         ;;
 420   v70-nec-*)
 421         sys_dir=sysvnecv70
 422         ;;
 423   v810-*-*)
 424         sys_dir=sysnec810
 425         ;;
 426   v850-*-*)
 427         sys_dir=sysnecv850
 428         ;;
 429   v850e-*-*)
 430         sys_dir=sysnecv850
 431         ;;
 432   v850ea-*-*)
 433         sys_dir=sysnecv850
 434         ;;
 435   w65-*-*)
 436         sys_dir=w65
 437         ;;
 438   xscale-*-*)
 439         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 440           sys_dir=arm
 441         fi
 442         ;;
 443   z8k-*-coff)
 444         sys_dir=z8ksim
 445         ;;
 446 esac
 447
 448 # Host specific flag settings -- usually for features that are not
 449 # general enough or broad enough to be handled above.
 450 # THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.
 451
 452 case "${host}" in
 453   *-*-cygwin*)
 454         test -z "$cygwin_srcdir" && cygwin_srcdir=`cd ${srcdir}/../winsup/cygwin; pwd`
 455         export cygwin_srcdir
 456         default_newlib_io_long_long="yes"
 457         default_newlib_io_long_double="yes"
 458         default_newlib_io_pos_args="yes"
 459         CC="${CC} -I${cygwin_srcdir}/include"
 460         newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -D_COMPILING_NEWLIB -DHAVE_FCNTL -DMALLOC_PROVIDED"
 461         syscall_dir=syscalls
 462         ;;
 463 # RTEMS supplies its own versions of some routines:
 464 #       malloc()            (reentrant version)
 465 #       exit()              RTEMS has a "global" reent to flush
 466 #       signal()/raise()    RTEMS has its own including pthread signals
 467 #       _XYZ_r()            RTEMS has its own reentrant routines
 468 #
 469 #  NOTE: When newlib malloc uses a semaphore, RTEMS will switch to that.
 470   *-*-rtems*)
 471         default_newlib_io_long_long="yes"
 472         newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY -DMALLOC_PROVIDED -DEXIT_PROVIDED -DMISSING_SYSCALL_NAMES -DSIGNAL_PROVIDED -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_OPENDIR -DNO_EXEC -DHAVE_FCNTL"
 473         ;;
 474 # VxWorks supplies its own version of malloc, and the newlib one
 475 # doesn't work because VxWorks does not have sbrk.
 476   *-wrs-vxworks*)
 477         newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED -DMISSING_SYSCALL_NAMES -DHAVE_FCNTL"
 478         ;;
 479 # UDI doesn't have exec, so system() should fail the right way
 480   a29k-amd-udi)
 481         newlib_cflags="${newlib_cflags} -DNO_EXEC"
 482         syscall_dir=syscalls
 483         ;;
 484   arc-*-*)
 485         syscall_dir=syscalls
 486         ;;
 487   arm-*-pe)
 488         syscall_dir=syscalls
 489         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 490         ;;
 491   arm-*-*)
 492         syscall_dir=syscalls
 493         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 494 # If newlib is supplying syscalls, select which debug protocol is being used.
 495 # ARM_RDP_MONITOR selects the Demon monitor.
 496 # ARM_RDI_MONITOR selects the Angel monitor.
 497 # If neither are defined, then hard coded defaults will be used
 498 # to create the program's environment.
 499 # If --disable-newlib-supplied-syscalls is specified, then the end-user
 500 # may specify the protocol via gcc spec files supplied by libgloss.
 501 # See also thumb below.
 502         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 503 #         newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
 504           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 505         fi
 506         ;;
 507   arc*)
 508         newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED"
 509         ;;
 510   avr*)
 511         newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
 512         ;;
 513   cris-*-* | crisv32-*-*)
 514         default_newlib_io_long_long="yes"
 515         newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_GETTIMEOFDAY -D_USE_WRITE -DCOMPACT_CTYPE"
 516         syscall_dir=syscalls
 517         ;;
 518   crx-*-*)
 519         newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DMISSING_SYSCALL_NAMES"
 520         syscall_dir=
 521         ;;
 522   d10v*)
 523         newlib_cflags="${newlib_cflags} -DSMALL_MEMORY"
 524         syscall_dir=syscalls
 525         ;;
 526   d30v*)
 527         newlib_cflags="${newlib_cflags} -DABORT_MESSAGE -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
 528         syscall_dir=
 529         ;;
 530   ep9312-*-*)
 531         syscall_dir=syscalls
 532         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 533         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 534           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 535         fi
 536         ;;
 537   fr30-*-*)
 538         syscall_dir=syscalls
 539         ;;
 540   frv-*-*)
 541         syscall_dir=syscalls
 542         default_newlib_io_long_long="yes"
 543         ;;
 544   h8300*-*-*)
 545         syscall_dir=syscalls
 546         default_newlib_io_long_long="yes"
 547         newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
 548         # Simulator only extensions for H8300.
 549         # Uncomment the next line to enable them.
 550         # newlib_cflags="${newlib_cflags} -D__SIMULATOR__"
 551         ;;
 552   h8500-*-*)
 553         syscall_dir=syscalls
 554         newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
 555         ;;
 556   i[34567]86-*-sco*)
 557         newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED -DHAVE_FCNTL"
 558         ;;
 559   i[34567]86-*-netware*)
 560         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DABORT_PROVIDED -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DHAVE_FCNTL"
 561         ;;
 562   iq2000*)
 563         syscall_dir=syscalls
 564         default_newlib_io_long_long="yes"
 565         ;;
 566   m32r-*-*)
 567         # Pass -msdata=sdata so _impure_ptr goes in .sdata.
 568         # We don't generate sda relocs however for upward compatibility.
 569         # FIXME: This is necessary because the default multilib doesn't
 570         # use --print-multi-lib.
 571         newlib_cflags="${newlib_cflags} -msdata=sdata"
 572         syscall_dir=syscalls
 573         ;;
 574   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 575         newlib_cflags="${newlib_cflags} -DNO_EXEC -DABORT_PROVIDED -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
 576         ;;
 577   mcore-*-*)
 578         syscall_dir=syscalls
 579         ;;
 580   mips64vr*-*-*)
 581         default_newlib_io_long_long="yes"
 582         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 583         ;;
 584   mips*-*-elf*)
 585         default_newlib_io_long_long="yes"
 586         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 587         ;;
 588   mmix-*)
 589         syscall_dir=syscalls
 590         # We need every symbol 32-bit aligned, so the invalid
 591         # construct with attribute ((alias ("_ctype_b+127"))) breaks.
 592         newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
 593         ;;
 594   mn10?00-*-*)
 595         syscall_dir=syscalls
 596         ;;
 597   powerpc*-*-eabialtivec*)
 598         default_newlib_io_long_long="yes"
 599         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 600         ;;
 601   powerpc*-*-eabispe*)
 602         default_newlib_io_long_long="yes"
 603         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 604         ;;
 605   powerpc*-*-eabi* | \
 606   powerpc*-*-elf* | \
 607   powerpc*-*-linux* | \
 608   powerpc*-*-rtem* | \
 609   powerpc*-*-sysv* | \
 610   powerpc*-*-solaris*)
 611         default_newlib_io_long_long="yes"
 612         newlib_cflags="${newlib_cflags} -mrelocatable-lib -mno-eabi -mstrict-align -DMISSING_SYSCALL_NAMES"
 613         ;;
 614   powerpcle-*-pe)
 615         newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DHAVE_FCNTL"
 616         syscall_dir=syscalls
 617         ;;
 618   sh*-*-*)
 619         default_newlib_io_long_long="yes"
 620         newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY"
 621         syscall_dir=syscalls
 622         ;;
 623   sparc-sun-sunos*)
 624         newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED"
 625         ;;
 626   sparc64-*-*)
 627         newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_BLKSIZE -DHAVE_GETTIMEOFDAY -DHAVE_FCNTL"
 628         # This either belongs elsewhere or nowhere. But I need *something*,
 629         # so for now it's here ...
 630         case "${host_os}" in
 631           aoutv8 | *32p)
 632                 newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=32" ;;
 633           *)
 634                 newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=64" ;;
 635         esac
 636         ;;
 637   strongarm-*-*)
 638         syscall_dir=syscalls
 639         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 640         ;;
 641   thumb-*-pe)
 642         syscall_dir=syscalls
 643         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 644 # Don't use the debugging protocols just yet.
 645         ;;
 646   thumb-*-*)
 647         syscall_dir=syscalls
 648         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 649 # If newlib is supplying syscalls, select which debug protocol is being used.
 650 # ARM_RDP_MONITOR selects the Demon monitor.
 651 # ARM_RDI_MONITOR selects the Angel monitor.
 652 # If neither are defined, then hard coded defaults will be used
 653 # to create the program's environment.
 654 # If --disable-newlib-supplied-syscalls is specified, then the end-user
 655 # may specify the protocol via gcc spec files supplied by libgloss.
 656         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 657 #         newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
 658           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 659         fi
 660         ;;
 661   tic80*)
 662         syscall_dir=syscalls
 663         ;;
 664   v850-*-*)
 665         syscall_dir=syscalls
 666         ;;
 667   v850e-*-*)
 668         syscall_dir=syscalls
 669         ;;
 670   v850ea-*-*)
 671         syscall_dir=syscalls
 672         ;;
 673   w65-*-*)
 674         syscall_dir=syscalls
 675         newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
 676         ;;
 677   xscale-*-*)
 678         syscall_dir=syscalls
 679         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 680         newlib_cflags="${newlib_cflags} -DHAVE_SYSTEM -DHAVE_RENAME"
 681         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 682           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 683         fi
 684         ;;
 685   xstormy16-*-*)
 686         newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY"
 687         syscall_dir=syscalls
 688         ;;
 689   z8k-*-*)
 690         syscall_dir=syscalls
 691         ;;
 692   *)
 693         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 694         syscall_dir=
 695         ;;
 696 esac
 697
 698 # Use defaults for certain settings if not specified by user
 699
 700 # Enable long long support in I/O routines if requested.
 701 if [ "x${newlib_io_long_long}" = "x" ]; then
 702         if [ ${default_newlib_io_long_long} = "yes" ]; then
 703                 newlib_io_long_long="yes";
 704         fi
 705 fi
 706
 707 # Enable long double support in I/O routines if requested.
 708 if [ "x${newlib_io_long_double}" = "x" ]; then
 709         if [ ${default_newlib_io_long_double} = "yes" ]; then
 710                 newlib_io_long_double="yes";
 711         fi
 712 fi
 713
 714 # Enable printf positional argument support if requested.
 715 if [ "x${newlib_io_pos_args}" = "x" ]; then
 716         if [ ${default_newlib_io_pos_args} = "yes" ]; then
 717                 newlib_io_pos_args="yes";
 718         fi
 719 fi