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   ms1*)
 185         machine_dir=ms1
 186         ;;
 187   or16)
 188         ;;
 189   or32)
 190         ;;
 191   powerpc*)
 192         machine_dir=powerpc
 193         ;;
 194   sh | sh64)
 195         machine_dir=sh
 196         ;;
 197   sparc*)
 198         machine_dir=sparc
 199         # FIXME: Might wish to make MALLOC_ALIGNMENT more generic.
 200         newlib_cflags="${newlib_cflags} -DMALLOC_ALIGNMENT=8"
 201         ;;
 202   strongarm)
 203         machine_dir=arm
 204         ;;
 205   xscale)
 206         machine_dir=xscale
 207         ;;
 208   thumb)
 209         machine_dir=arm
 210         ;;
 211   tic4x|c4x)
 212         machine_dir=tic4x
 213         ;;
 214   tic80*)
 215         machine_dir=tic80
 216         ;;
 217   v70)
 218         ;;
 219   v810)
 220         ;;
 221   v850)
 222         machine_dir=v850
 223         newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
 224         ;;
 225   v850e)
 226         machine_dir=v850
 227         newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED "
 228         ;;
 229   w65*)
 230         machine_dir=w65
 231         ;;
 232   xstormy16)
 233         machine_dir=xstormy16
 234         newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED"
 235         newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED"
 236         ;;
 237   z8k)
 238         machine_dir=z8k
 239         ;;
 240   *)
 241         echo '***' "Newlib does not support CPU ${host_cpu}" 1>&2
 242         exit 1
 243         ;;
 244 esac
 245
 246 # Disable thread support if requested.
 247
 248 if [ "${newlib_multithread}" = "no" ] ; then
 249         newlib_cflags="${newlib_cflags} -D__SINGLE_THREAD__"
 250 fi
 251
 252 # Disable syscall support if requested.
 253
 254 if [ "${newlib_may_supply_syscalls}" = "no" ] ; then
 255         newlib_cflags="${newlib_cflags} -D__NO_SYSCALLS__"
 256 fi
 257
 258 # Enable multibyte support if requested or it is defaulted
 259 # for target.
 260
 261 if [ "x${newlib_mb}" = "x" ]; then
 262         case "${host}" in
 263           i[34567]86-pc-linux-*|*-*-cygwin*)
 264                 newlib_mb=yes
 265                 ;;
 266         esac
 267 fi
 268
 269 # Disable printf/scanf floating-point support if requested.
 270
 271 if [ "${newlib_io_float}" = "no" ] ; then
 272         newlib_cflags="${newlib_cflags} -DNO_FLOATING_POINT"
 273 fi
 274
 275 # Verify if shared newlib support is allowed and set appropriate variables
 276 # We don't want to use libtool for platforms that we are not going to
 277 # support shared libraries.  This is because it adds executable tests which
 278 # we don't want for most embedded platforms.
 279 case "${host}" in
 280   i[34567]86-pc-linux-*)
 281     use_libtool=yes
 282     have_sys_mach_dir=yes
 283     stdio64_dir=stdio64
 284     oext=lo
 285     aext=la ;;
 286   *) ;; #shared library not supported for ${host}
 287 esac
 288
 289 # Get the source directories to use for the host.  unix_dir is set
 290 # to unix to get some standard Unix routines.  posix_dir is set to get some
 291 # standard Posix routines.  sys_dir should supply system dependent routines
 292 # including crt0.
 293 # THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.
 294
 295 case "${host}" in
 296   *-*-cygwin*)
 297         posix_dir=posix
 298         stdio64_dir=stdio64
 299         ;;
 300   *-*-netware*)
 301         signal_dir=
 302         sys_dir=netware
 303         ;;
 304   *-*-rtems*)                   # generic RTEMS support
 305         sys_dir=rtems
 306         # RTEMS POSIX support is all inside RTEMS
 307         ;;
 308   a29k-*-*)
 309         sys_dir=a29khif
 310         signal_dir=
 311         ;;
 312   arc-*-*)
 313         sys_dir=arc
 314         ;;
 315   arm-*-*)
 316         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 317           sys_dir=arm
 318         fi
 319         ;;
 320   crx*)
 321         sys_dir=
 322         ;;
 323   d10v*)
 324         sys_dir=d10v
 325         ;;
 326   d30v*)
 327         sys_dir=
 328         ;;
 329   ep9312-*-*)
 330         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 331           sys_dir=arm
 332         fi
 333         ;;
 334   frv*)
 335         sys_dir=
 336         ;;
 337   h8300-*-hms*)
 338         sys_dir=h8300hms
 339         ;;
 340   h8300-*-elf*)
 341         sys_dir=h8300hms
 342         ;;
 343   h8300-*-coff*)
 344         sys_dir=h8300hms
 345         ;;
 346   h8300-*-xray*)
 347         sys_dir=h8300xray
 348         ;;
 349   h8500-*-hms*)
 350         sys_dir=h8500hms
 351         ;;
 352   h8500-*-elf*)
 353         sys_dir=h8500hms
 354         ;;
 355   i[34567]86-*-sco*)
 356         sys_dir=sysvi386
 357         unix_dir=unix
 358         ;;
 359   i[34567]86-pc-linux-*)
 360         sys_dir=linux
 361         unix_dir=unix
 362         posix_dir=posix
 363         crt1=crt1.o
 364         crt1_dir=libc/sys/${sys_dir}
 365         gcc_dir=`gcc -print-search-dirs | awk '/^install:/{print $2}'`
 366         default_newlib_io_long_double="yes"
 367         default_newlib_io_long_long="yes"
 368         default_newlib_io_pos_args="yes"
 369         #newlib_cflags="${newlib_cflags} -Werror" # DEBUGGING ONLY;BREAKS BUILD
 370         newlib_cflags="${newlib_cflags} -Wall"
 371         newlib_cflags="${newlib_cflags} -D_I386MACH_ALLOW_HW_INTERRUPTS"
 372         newlib_cflags="${newlib_cflags} -DHAVE_FCNTL"
 373         # --- Required when building a shared library ------------------------
 374         newlib_cflags="${newlib_cflags} -fPIC -D_I386MACH_NEED_SOTYPE_FUNCTION"
 375         # --- The three lines below are optional ------------------------------
 376         ##newlib_cflags="${newlib_cflags} -nostdinc"
 377         ##newlib_cflags="${newlib_cflags} -I`newlib-flags --kernel-dir`/include"
 378         ##newlib_cflags="${newlib_cflags} -idirafter ${gcc_dir}include"
 379         ;;
 380
 381   m68hc11-*-*|m6811-*-*|m6812-*-*|m68hc12-*-*)
 382         ;;
 383
 384   m68k-sun-sunos*)
 385         unix_dir=unix
 386         ;;
 387   m8*-bug-*)
 388         sys_dir=m88kbug
 389         ;;
 390   mips*-dec-*)
 391         sys_dir=decstation
 392         ;;
 393   mmix-knuth-mmixware)
 394         sys_dir=mmixware
 395         ;;
 396   powerpcle-*-pe)
 397         posix_dir=posix
 398         ;;
 399   sh*-*)
 400         sys_dir=sh
 401         ;;
 402   sparc-sun-sunos*)
 403         sys_dir=sun4
 404         unix_dir=unix
 405         ;;
 406   sparc64*)
 407         sys_dir=sparc64
 408         unix_dir=unix
 409         ;;
 410   strongarm-*-*)
 411         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 412           sys_dir=arm
 413         fi
 414         ;;
 415   thumb-*-*)
 416         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 417           sys_dir=arm
 418         fi
 419         ;;
 420   tic80*)
 421         sys_dir=tic80
 422         ;;
 423   v70-nec-*)
 424         sys_dir=sysvnecv70
 425         ;;
 426   v810-*-*)
 427         sys_dir=sysnec810
 428         ;;
 429   v850-*-*)
 430         sys_dir=sysnecv850
 431         ;;
 432   v850e-*-*)
 433         sys_dir=sysnecv850
 434         ;;
 435   v850ea-*-*)
 436         sys_dir=sysnecv850
 437         ;;
 438   w65-*-*)
 439         sys_dir=w65
 440         ;;
 441   xscale-*-*)
 442         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 443           sys_dir=arm
 444         fi
 445         ;;
 446   z8k-*-coff)
 447         sys_dir=z8ksim
 448         ;;
 449 esac
 450
 451 # Host specific flag settings -- usually for features that are not
 452 # general enough or broad enough to be handled above.
 453 # THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.
 454
 455 case "${host}" in
 456   *-*-cygwin*)
 457         test -z "$cygwin_srcdir" && cygwin_srcdir=`cd ${srcdir}/../winsup/cygwin; pwd`
 458         export cygwin_srcdir
 459         default_newlib_io_long_long="yes"
 460         default_newlib_io_long_double="yes"
 461         default_newlib_io_pos_args="yes"
 462         CC="${CC} -I${cygwin_srcdir}/include"
 463         newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -D_COMPILING_NEWLIB -DHAVE_FCNTL -DMALLOC_PROVIDED"
 464         syscall_dir=syscalls
 465         ;;
 466 # RTEMS supplies its own versions of some routines:
 467 #       malloc()            (reentrant version)
 468 #       exit()              RTEMS has a "global" reent to flush
 469 #       signal()/raise()    RTEMS has its own including pthread signals
 470 #       _XYZ_r()            RTEMS has its own reentrant routines
 471 #
 472 #  NOTE: When newlib malloc uses a semaphore, RTEMS will switch to that.
 473   *-*-rtems*)
 474         default_newlib_io_long_long="yes"
 475         newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY -DMALLOC_PROVIDED -DEXIT_PROVIDED -DMISSING_SYSCALL_NAMES -DSIGNAL_PROVIDED -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_OPENDIR -DNO_EXEC -DHAVE_FCNTL"
 476         ;;
 477 # VxWorks supplies its own version of malloc, and the newlib one
 478 # doesn't work because VxWorks does not have sbrk.
 479   *-wrs-vxworks*)
 480         newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED -DMISSING_SYSCALL_NAMES -DHAVE_FCNTL"
 481         ;;
 482 # UDI doesn't have exec, so system() should fail the right way
 483   a29k-amd-udi)
 484         newlib_cflags="${newlib_cflags} -DNO_EXEC"
 485         syscall_dir=syscalls
 486         ;;
 487   arc-*-*)
 488         syscall_dir=syscalls
 489         ;;
 490   arm-*-pe)
 491         syscall_dir=syscalls
 492         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 493         ;;
 494   arm-*-*)
 495         syscall_dir=syscalls
 496         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 497 # If newlib is supplying syscalls, select which debug protocol is being used.
 498 # ARM_RDP_MONITOR selects the Demon monitor.
 499 # ARM_RDI_MONITOR selects the Angel monitor.
 500 # If neither are defined, then hard coded defaults will be used
 501 # to create the program's environment.
 502 # If --disable-newlib-supplied-syscalls is specified, then the end-user
 503 # may specify the protocol via gcc spec files supplied by libgloss.
 504 # See also thumb below.
 505         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 506 #         newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
 507           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 508         fi
 509         ;;
 510   arc*)
 511         newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED"
 512         ;;
 513   avr*)
 514         newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
 515         ;;
 516   cris-*-* | crisv32-*-*)
 517         default_newlib_io_long_long="yes"
 518         newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_GETTIMEOFDAY -D_USE_WRITE -DCOMPACT_CTYPE"
 519         syscall_dir=syscalls
 520         ;;
 521   crx-*-*)
 522         newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DMISSING_SYSCALL_NAMES"
 523         syscall_dir=
 524         ;;
 525   d10v*)
 526         newlib_cflags="${newlib_cflags} -DSMALL_MEMORY"
 527         syscall_dir=syscalls
 528         ;;
 529   d30v*)
 530         newlib_cflags="${newlib_cflags} -DABORT_MESSAGE -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
 531         syscall_dir=
 532         ;;
 533   ep9312-*-*)
 534         syscall_dir=syscalls
 535         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 536         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 537           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 538         fi
 539         ;;
 540   fr30-*-*)
 541         syscall_dir=syscalls
 542         ;;
 543   frv-*-*)
 544         syscall_dir=syscalls
 545         default_newlib_io_long_long="yes"
 546         ;;
 547   h8300*-*-*)
 548         syscall_dir=syscalls
 549         default_newlib_io_long_long="yes"
 550         newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
 551         # Simulator only extensions for H8300.
 552         # Uncomment the next line to enable them.
 553         # newlib_cflags="${newlib_cflags} -D__SIMULATOR__"
 554         ;;
 555   h8500-*-*)
 556         syscall_dir=syscalls
 557         newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
 558         ;;
 559   i[34567]86-*-sco*)
 560         newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED -DHAVE_FCNTL"
 561         ;;
 562   i[34567]86-*-netware*)
 563         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DABORT_PROVIDED -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DHAVE_FCNTL"
 564         ;;
 565   iq2000*)
 566         syscall_dir=syscalls
 567         default_newlib_io_long_long="yes"
 568         ;;
 569   m32r-*-*)
 570         # Pass -msdata=sdata so _impure_ptr goes in .sdata.
 571         # We don't generate sda relocs however for upward compatibility.
 572         # FIXME: This is necessary because the default multilib doesn't
 573         # use --print-multi-lib.
 574         newlib_cflags="${newlib_cflags} -msdata=sdata"
 575         syscall_dir=syscalls
 576         ;;
 577   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 578         newlib_cflags="${newlib_cflags} -DNO_EXEC -DABORT_PROVIDED -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
 579         ;;
 580   mcore-*-*)
 581         syscall_dir=syscalls
 582         ;;
 583   mips64vr*-*-*)
 584         default_newlib_io_long_long="yes"
 585         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 586         ;;
 587   mips*-*-elf*)
 588         default_newlib_io_long_long="yes"
 589         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 590         ;;
 591   mmix-*)
 592         syscall_dir=syscalls
 593         # We need every symbol 32-bit aligned, so the invalid
 594         # construct with attribute ((alias ("_ctype_b+127"))) breaks.
 595         newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
 596         ;;
 597   mn10?00-*-*)
 598         syscall_dir=syscalls
 599         ;;
 600   powerpc*-*-eabialtivec*)
 601         default_newlib_io_long_long="yes"
 602         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 603         ;;
 604   powerpc*-*-eabispe*)
 605         default_newlib_io_long_long="yes"
 606         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 607         ;;
 608   powerpc*-*-eabi* | \
 609   powerpc*-*-elf* | \
 610   powerpc*-*-linux* | \
 611   powerpc*-*-rtem* | \
 612   powerpc*-*-sysv* | \
 613   powerpc*-*-solaris*)
 614         default_newlib_io_long_long="yes"
 615         newlib_cflags="${newlib_cflags} -mrelocatable-lib -mno-eabi -mstrict-align -DMISSING_SYSCALL_NAMES"
 616         ;;
 617   powerpcle-*-pe)
 618         newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DHAVE_FCNTL"
 619         syscall_dir=syscalls
 620         ;;
 621   sh*-*-*)
 622         default_newlib_io_long_long="yes"
 623         newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY"
 624         syscall_dir=syscalls
 625         ;;
 626   sparc-sun-sunos*)
 627         newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED"
 628         ;;
 629   sparc64-*-*)
 630         newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_BLKSIZE -DHAVE_GETTIMEOFDAY -DHAVE_FCNTL"
 631         # This either belongs elsewhere or nowhere. But I need *something*,
 632         # so for now it's here ...
 633         case "${host_os}" in
 634           aoutv8 | *32p)
 635                 newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=32" ;;
 636           *)
 637                 newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=64" ;;
 638         esac
 639         ;;
 640   strongarm-*-*)
 641         syscall_dir=syscalls
 642         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 643         ;;
 644   thumb-*-pe)
 645         syscall_dir=syscalls
 646         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 647 # Don't use the debugging protocols just yet.
 648         ;;
 649   thumb-*-*)
 650         syscall_dir=syscalls
 651         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 652 # If newlib is supplying syscalls, select which debug protocol is being used.
 653 # ARM_RDP_MONITOR selects the Demon monitor.
 654 # ARM_RDI_MONITOR selects the Angel monitor.
 655 # If neither are defined, then hard coded defaults will be used
 656 # to create the program's environment.
 657 # If --disable-newlib-supplied-syscalls is specified, then the end-user
 658 # may specify the protocol via gcc spec files supplied by libgloss.
 659         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 660 #         newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
 661           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 662         fi
 663         ;;
 664   tic80*)
 665         syscall_dir=syscalls
 666         ;;
 667   v850-*-*)
 668         syscall_dir=syscalls
 669         ;;
 670   v850e-*-*)
 671         syscall_dir=syscalls
 672         ;;
 673   v850ea-*-*)
 674         syscall_dir=syscalls
 675         ;;
 676   w65-*-*)
 677         syscall_dir=syscalls
 678         newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
 679         ;;
 680   xscale-*-*)
 681         syscall_dir=syscalls
 682         newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
 683         newlib_cflags="${newlib_cflags} -DHAVE_SYSTEM -DHAVE_RENAME"
 684         if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
 685           newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
 686         fi
 687         ;;
 688   xstormy16-*-*)
 689         newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY"
 690         syscall_dir=syscalls
 691         ;;
 692   z8k-*-*)
 693         syscall_dir=syscalls
 694         ;;
 695   *)
 696         newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
 697         syscall_dir=
 698         ;;
 699 esac
 700
 701 # Use defaults for certain settings if not specified by user
 702
 703 # Enable long long support in I/O routines if requested.
 704 if [ "x${newlib_io_long_long}" = "x" ]; then
 705         if [ ${default_newlib_io_long_long} = "yes" ]; then
 706                 newlib_io_long_long="yes";
 707         fi
 708 fi
 709
 710 # Enable long double support in I/O routines if requested.
 711 if [ "x${newlib_io_long_double}" = "x" ]; then
 712         if [ ${default_newlib_io_long_double} = "yes" ]; then
 713                 newlib_io_long_double="yes";
 714         fi
 715 fi
 716
 717 # Enable printf positional argument support if requested.
 718 if [ "x${newlib_io_pos_args}" = "x" ]; then
 719         if [ ${default_newlib_io_pos_args} = "yes" ]; then
 720                 newlib_io_pos_args="yes";
 721         fi
 722 fi