[newlib-cygwin.git] / newlib / configure.host

# configure.host

# This shell script handles all host based configuration for newlib.
# It sets various shell variables based on the the host and the
# configuration options.  You can modify this shell script without
# needing to rerun autoconf.

# This shell script should be invoked as
#   . configure.host
# If it encounters an error, it will exit with a message.

# FIXME: This script is too complicated.  It does things in too many
# different ways.  This was taken from the old Cygnus configure script
# with only minor changes.  It should be cleaned up.

# FIXME: The general approach of picking and choosing which
# directories to configure, other than machine_dir and sys_dir, is
# potentially confusing.

# It uses the following shell variables:
#   host		The configuration host
#   host_cpu		The configuration host CPU
#   newlib_mb		--enable-newlib-mb ("yes", "no")
#   target_optspace	--enable-target-optspace ("yes", "no", "")

# It sets the following shell variables:
#   newlib_cflags	Special CFLAGS to use when building
#   machine_dir		Subdirectory of libc/machine to configure
#   sys_dir		Subdirectory of libc/sys to configure
#   have_sys_mach_dir   Is there a machine subdirectory in sys subdirectory
#   posix_dir		"posix" to build libc/posix, "" otherwise
#   signal_dir		"signal" to build libc/signal, "" otherwise
#   syscall_dir		"syscalls" to build libc/syscalls, "" otherwise
#   unix_dir		"unix" to build libc/unix, "" otherwise
#   use_libtool         flag: use libtool to build newlib?
#   aext                library extension - needed for libtool support
#   oext                object file extension - needed for libtool support

newlib_cflags=
libm_machine_dir=
machine_dir=
sys_dir=
posix_dir=
signal_dir=signal
syscall_dir=
unix_dir=
mach_add_setjmp=
use_libtool=no
have_sys_mach_dir=no
aext=a
oext=o

case "${target_optspace}:${host}" in
  yes:*)
    newlib_cflags="${newlib_cflags} -Os"
    ;;
  :m32r-* | :d10v-* | :d30v-* | :avr-*)
    newlib_cflags="${newlib_cflags} -Os"
    ;;
  no:* | :*)
    newlib_cflags="${newlib_cflags} -O2"
    ;;
esac

# Get the source directories to use for the CPU type.
# machine_dir should supply CPU dependent routines, such as setjmp.
# newlib_cflags is passed to gcc when compiling.
# THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.

case "${host_cpu}" in
  a29k)
	machine_dir=a29k
	;;
  arc)
	machine_dir=
	;;
  arm)
	machine_dir=arm
	;;
  avr*)
	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mcall-prologues"
	;;

  d10v*)
	machine_dir=d10v
	;;
  d30v*)
	machine_dir=d30v
	;;
  fr30)
	machine_dir=fr30
	;;
  h8300)
	machine_dir=h8300
	;;
  h8500)
	machine_dir=h8500
	;;
  hppa*)
	machine_dir=hppa
	;;
  i960)
	machine_dir=i960
	;;
  i[3456]86)
	# Don't use for these since they provide their own setjmp.
	case ${host} in
	*-*-go32 | *-*-sco* | *-*-cygwin*) 
		libm_machine_dir=i386
		machine_dir=i386
		;;
	*) 
		libm_machine_dir=i386
		machine_dir=i386
		mach_add_setjmp=true
		;;
	esac
	;;
  ia64*)
	;;
  m32r*)
	machine_dir=m32r
	;;
  m68*)
	machine_dir=m68k
	newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
	;;
  m88k)
	machine_dir=m88k
	newlib_cflags="${newlib_cflags} -m88000"
	;;
  m88110)
	machine_dir=m88k
	newlib_cflags="${newlib_cflags} -m88110"
	;;
  mcore)
	;;
  mips*)
	machine_dir=mips
	;;
  mmix)
	;;
  mn10200)
	machine_dir=mn10200
	;;
  mn10300)
	machine_dir=mn10300
	;;
  or16)
	;;
  or32)
	;;
  powerpc*)
	machine_dir=powerpc
	;;
  sh | sh64)
	machine_dir=sh
	;;
  sparc*)
	machine_dir=sparc
	# FIXME: Might wish to make MALLOC_ALIGNMENT more generic.
	newlib_cflags="${newlib_cflags} -DMALLOC_ALIGNMENT=8"
	;;
  strongarm)
	machine_dir=arm
	;;
  xscale)
	machine_dir=xscale
	;;
  thumb)
	machine_dir=arm
	;;
  tic80*)
	machine_dir=tic80
	;;
  v70)
	;;
  v810)
	;;
  v850)
	machine_dir=v850
	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
	;;
  v850e)
	machine_dir=v850
	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
	;;
  v850ea)
	machine_dir=v850
	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
	;;
  w65*)
	machine_dir=w65
	;;
  xstormy16)
	machine_dir=xstormy16
	newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED"
        ;;
  z8k)
	machine_dir=z8k
	;;
  *)
	echo '***' "Newlib does not support CPU ${host_cpu}" 1>&2
	exit 1
	;;
esac

# Enable multibyte support if requested.

if [ "${newlib_mb}" = "yes" ] ; then
	newlib_cflags="${newlib_cflags} -DMB_CAPABLE"
fi

# Disable printf/scanf floating-point support if requested.

if [ "${newlib_io_float}" = "no" ] ; then
	newlib_cflags="${newlib_cflags} -DNO_FLOATING_POINT"
fi

# Verify if shared newlib support is allowed and set appropriate variables
# We don't want to use libtool for platforms that we are not going to
# support shared libraries.  This is because it adds executable tests which
# we don't want for most embedded platforms.
case "${host}" in
  i[3456]86-pc-linux-*)
    use_libtool=yes
    have_sys_mach_dir=yes
    oext=lo
    aext=la ;;
  *) ;; #shared library not supported for ${host}
esac

# Get the source directories to use for the host.  unix_dir is set
# to unix to get some standard Unix routines.  posix_dir is set to get some
# standard Posix routines.  sys_dir should supply system dependent routines
# including crt0.
# THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.

case "${host}" in
  *-*-cygwin*)
	sys_dir=cygwin
	posix_dir=posix
	;;
  *-*-netware*)
	signal_dir=
	sys_dir=netware
	;;
  *-*-rtems*)			# generic RTEMS support
	sys_dir=rtems
        # RTEMS POSIX support is all inside RTEMS
	;;
  a29k-*-*)
	sys_dir=a29khif
	signal_dir=
	;;
  arc-*-*)
	sys_dir=arc
	;;
  arm-*-*)
	sys_dir=arm 
	;;
  d10v*)
	sys_dir=d10v
	;;
  d30v*)
	sys_dir=
	;;
  h8300-*-hms*)
	sys_dir=h8300hms
	;;
  h8300-*-elf*)
	sys_dir=h8300hms
	;;
  h8300-*-xray*)
	sys_dir=h8300xray
	;;
  h8500-*-hms*)
	sys_dir=h8500hms
	;;
  h8500-*-elf*)
	sys_dir=h8500hms
	;;
  i[3456]86-*-go32)
	sys_dir=go32
	;;
  i[3456]86-*-sco*)
	sys_dir=sysvi386
	unix_dir=unix
	;;
  i[3456]86-pc-linux-*)
	sys_dir=linux
	unix_dir=unix
	posix_dir=posix
	gcc_dir=`gcc -print-search-dirs | awk '/^install:/{print $2}'`
	#newlib_cflags="${newlib_cflags} -Werror" # DEBUGGING ONLY;BREAKS BUILD
	newlib_cflags="${newlib_cflags} -Wall"
	newlib_cflags="${newlib_cflags} -D_I386MACH_ALLOW_HW_INTERRUPTS"
	newlib_cflags="${newlib_cflags} -D_LOOSE_KERNEL_NAMES -DHAVE_FCNTL"
	# --- Required when building a shared library ------------------------
	newlib_cflags="${newlib_cflags} -fPIC -D_I386MACH_NEED_SOTYPE_FUNCTION"
	# --- The three lines below are optional ------------------------------
	##newlib_cflags="${newlib_cflags} -nostdinc"
	##newlib_cflags="${newlib_cflags} -I`newlib-flags --kernel-dir`/include"
	##newlib_cflags="${newlib_cflags} -idirafter ${gcc_dir}include"
	;;
  m68k-sun-sunos*)
	unix_dir=unix
	;;
  m8*-bug-*)
	sys_dir=m88kbug
	;;
  mips*-dec-*)
	sys_dir=decstation
	;;
  mmix-knuth-mmixware)
	sys_dir=mmixware
	;;
  powerpcle-*-pe)
	sys_dir=cygwin
	posix_dir=posix
	;;
  sh*-*)
	sys_dir=sh
	;;
  sparc-sun-sunos*)
	sys_dir=sun4
	unix_dir=unix
	;;
  sparc64*)
	sys_dir=sparc64
	unix_dir=unix
	;;
  strongarm-*-*)
	sys_dir=arm 
	;;
  xscale-*-*)
	sys_dir=arm 
	;;
  thumb-*-*)
	sys_dir=arm 
	;;
  tic80*)
	sys_dir=tic80
	;;
  v70-nec-*)
	sys_dir=sysvnecv70
	;;
  v810-*-*)
	sys_dir=sysnec810
	;;
  v850-*-*)
	sys_dir=sysnecv850
	;;
  v850e-*-*)
	sys_dir=sysnecv850
	;;
  v850ea-*-*)
	sys_dir=sysnecv850
	;;
  w65-*-*)
	sys_dir=w65
	;;
  z8k-*-coff)
	sys_dir=z8ksim
	;;
esac

# Host specific flag settings -- usually for features that are not
# general enough or broad enough to be handled above.
# THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.

case "${host}" in
  *-*-cygwin*)
	newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -DWANT_IO_LONG_DBL -DWANT_PRINTF_LONG_LONG -D_COMPILING_NEWLIB -DHAVE_FCNTL"
# CYGWIN provides its own malloc if --enable-malloc-debugging is set
	if [ "x${malloc_debugging}" = "xyes" ] ; then
	  newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED"
	fi
	syscall_dir=syscalls
	;;
# RTEMS supplies its own versions of some routines:
#       malloc()            (reentrant version)
#       exit()              RTEMS has a "global" reent to flush
#       signal()/raise()    RTEMS has its own including pthread signals
#       _XYZ_r()            RTEMS has its own reentrant routines
#
#  NOTE: When newlib malloc uses a semaphore, RTEMS will switch to that.
  *-*-rtems*)
	newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY -DMALLOC_PROVIDED -DEXIT_PROVIDED -DMISSING_SYSCALL_NAMES -DSIGNAL_PROVIDED -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_OPENDIR -DNO_EXEC -DWANT_PRINTF_LONG_LONG -DHAVE_FCNTL"
	;;
# VxWorks supplies its own version of malloc, and the newlib one
# doesn't work because VxWorks does not have sbrk.
  *-wrs-vxworks*)
	newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED -DMISSING_SYSCALL_NAMES -DHAVE_FCNTL"
	;;
# UDI doesn't have exec, so system() should fail the right way
  a29k-amd-udi)
	newlib_cflags="${newlib_cflags} -DNO_EXEC"
	syscall_dir=syscalls
	;;
  arc-*-*)
	syscall_dir=syscalls
	;;
  arm-*-pe)
	syscall_dir=syscalls
	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
# Don't use the debugging protocols just yet.
	;;
  arm-*-*)
	syscall_dir=syscalls
	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
# Select which debug protocol is being used.
# ARM_RDP_MONITOR selects the Demon monitor.
# ARM_RDI_MONITOR selects the Angel monitor.
# If neither are defined, then hard coded defaults will be used
# to create the program's environment.
# See also thumb below.
#	newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	;;
  avr*)
	newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
	;;
  d10v*)
	newlib_cflags="${newlib_cflags} -DSMALL_MEMORY"
	syscall_dir=syscalls
	;;
  d30v*)
	newlib_cflags="${newlib_cflags} -DABORT_MESSAGE -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
	syscall_dir=
	;;
  fr30-*-*)
	newlib_cflags="${newlib_cflags}"
	syscall_dir=syscalls
	;;
  h8300*-*-*)
	syscall_dir=syscalls	
	newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
	;;	
  h8500-*-*)
	syscall_dir=syscalls	
	newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
	;;	
  i[3456]86-*-sco*)
	newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED -DHAVE_FCNTL"
	;;
  i[3456]86-*-netware*)
	newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DABORT_PROVIDED -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DHAVE_FCNTL"
	;;
  i[3456]86-*-go32)
	newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DHAVE_FCNTL"
	;;
  m32r-*-*)
	# Pass -msdata=sdata so _impure_ptr goes in .sdata.
	# We don't generate sda relocs however for upward compatibility.
	# FIXME: This is necessary because the default multilib doesn't
	# use --print-multi-lib.
	newlib_cflags="${newlib_cflags} -msdata=sdata"
	syscall_dir=syscalls
	;;
  mcore-*-*)
	newlib_cflags="${newlib_cflags}"
	syscall_dir=syscalls
	;;
  mmix-*)
	syscall_dir=syscalls
	# We need every symbol 32-bit aligned, so the invalid
	# construct with attribute ((alias ("_ctype_b+127"))) breaks.
	newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
	;;
  mn10?00-*-*)
	syscall_dir=syscalls
	;;
  powerpc*-*-eabi* | \
  powerpc*-*-elf* | \
  powerpc*-*-linux* | \
  powerpc*-*-rtem* | \
  powerpc*-*-sysv* | \
  powerpc*-*-solaris*)
	newlib_cflags="${newlib_cflags} -mrelocatable-lib -mno-eabi -mstrict-align -DMISSING_SYSCALL_NAMES"
	;;
  powerpcle-*-pe)
	newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DHAVE_FCNTL"
	syscall_dir=syscalls
	;;
  sh*-*-*)
	newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY -DWANT_PRINTF_LONG_LONG"
	syscall_dir=syscalls
	;;
  sparc-sun-sunos*)
	newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED"
	;;
  sparc64-*-*)
	newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_BLKSIZE -DHAVE_GETTIMEOFDAY -DHAVE_FCNTL"
	# This either belongs elsewhere or nowhere. But I need *something*,
	# so for now it's here ...
	case "${host_os}" in
	  aoutv8 | *32p)
		newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=32" ;;
	  *)
		newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=64" ;;
	esac
	;;
  strongarm-*-*)
	syscall_dir=syscalls
	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	;;
  xscale-*-*)
	syscall_dir=syscalls
	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	;;
  thumb-*-pe)
	syscall_dir=syscalls
	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
# Don't use the debugging protocols just yet.
	;;
  thumb-*-*)
	syscall_dir=syscalls
	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
# Select which debug protocol is being used.
# ARM_RDP_MONITOR selects the Demon monitor.
# ARM_RDI_MONITOR selects the Angel monitor.
# If neither are defined, then hard coded defaults will be used
# to create the program's environment.
# See also arm and strongarm above.
#	newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	;;
  tic80*)
	syscall_dir=syscalls
	;;
  v850-*-*)
	syscall_dir=syscalls
	;;
  v850e-*-*)
	syscall_dir=syscalls
	;;
  v850ea-*-*)
	syscall_dir=syscalls
	;;
  w65-*-*)
	syscall_dir=syscalls	
	newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
	;;	
  xstormy16-*-*)
        newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY"
        syscall_dir=syscalls
        ;;
  z8k-*-*)
	syscall_dir=syscalls
	;;
  *)
	newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
	syscall_dir=
	;;
esac
Commit	Line	Data
8a0efa53 CF	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
	26	# It sets the following shell variables:
	27	# newlib_cflags Special CFLAGS to use when building
	28	# machine_dir Subdirectory of libc/machine to configure
	29	# sys_dir Subdirectory of libc/sys to configure
fa4a16a1	30	# have_sys_mach_dir Is there a machine subdirectory in sys subdirectory
8a0efa53 CF	31	# posix_dir "posix" to build libc/posix, "" otherwise
	32	# signal_dir "signal" to build libc/signal, "" otherwise
	33	# syscall_dir "syscalls" to build libc/syscalls, "" otherwise
	34	# unix_dir "unix" to build libc/unix, "" otherwise
2e1a7175 TF	35	# use_libtool flag: use libtool to build newlib?
	36	# aext library extension - needed for libtool support
	37	# oext object file extension - needed for libtool support
8a0efa53 CF	38
8a0efa53 CF	39	newlib_cflags=
2e1a7175	40	libm_machine_dir=
8a0efa53 CF	41	machine_dir=
	42	sys_dir=
	43	posix_dir=
	44	signal_dir=signal
	45	syscall_dir=
	46	unix_dir=
	47	mach_add_setjmp=
2e1a7175	48	use_libtool=no
fa4a16a1	49	have_sys_mach_dir=no
2e1a7175 TF	50	aext=a
2e1a7175 TF	51	oext=o
8a0efa53 CF	52
	53	case "${target_optspace}:${host}" in
	54	yes:*)
	55	newlib_cflags="${newlib_cflags} -Os"
	56	;;
4634da64	57	:m32r-* \| :d10v-* \| :d30v-* \| :avr-*)
8a0efa53 CF	58	newlib_cflags="${newlib_cflags} -Os"
	59	;;
	60	no:* \| :*)
	61	newlib_cflags="${newlib_cflags} -O2"
	62	;;
	63	esac
	64
	65	# Get the source directories to use for the CPU type.
	66	# machine_dir should supply CPU dependent routines, such as setjmp.
	67	# newlib_cflags is passed to gcc when compiling.
	68	# THIS TABLE IS ALPHA SORTED. KEEP IT THAT WAY.
	69
	70	case "${host_cpu}" in
	71	a29k)
	72	machine_dir=a29k
	73	;;
	74	arc)
	75	machine_dir=
	76	;;
	77	arm)
	78	machine_dir=arm
	79	;;
4634da64 JJ	80	avr*)
	81	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mcall-prologues"
	82	;;
2e1a7175	83
8a0efa53 CF	84	d10v*)
	85	machine_dir=d10v
	86	;;
	87	d30v*)
	88	machine_dir=d30v
	89	;;
	90	fr30)
	91	machine_dir=fr30
	92	;;
	93	h8300)
	94	machine_dir=h8300
	95	;;
	96	h8500)
	97	machine_dir=h8500
	98	;;
	99	hppa*)
	100	machine_dir=hppa
	101	;;
	102	i960)
	103	machine_dir=i960
	104	;;
	105	i[3456]86)
	106	# Don't use for these since they provide their own setjmp.
	107	case ${host} in
	108	--go32 \| --sco* \| --cygwin*)
2e1a7175	109	libm_machine_dir=i386
8a0efa53 CF	110	machine_dir=i386
	111	;;
	112	*)
2e1a7175	113	libm_machine_dir=i386
8a0efa53 CF	114	machine_dir=i386
	115	mach_add_setjmp=true
	116	;;
	117	esac
	118	;;
ec463fc7 JW	119	ia64*)
ec463fc7 JW	120	;;
8a0efa53 CF	121	m32r*)
	122	machine_dir=m32r
	123	;;
	124	m68*)
	125	machine_dir=m68k
55500bf1	126	newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
8a0efa53 CF	127	;;
	128	m88k)
	129	machine_dir=m88k
	130	newlib_cflags="${newlib_cflags} -m88000"
	131	;;
	132	m88110)
	133	machine_dir=m88k
	134	newlib_cflags="${newlib_cflags} -m88110"
	135	;;
	136	mcore)
	137	;;
	138	mips*)
	139	machine_dir=mips
	140	;;
8be9b48b JJ	141	mmix)
8be9b48b JJ	142	;;
8a0efa53 CF	143	mn10200)
	144	machine_dir=mn10200
	145	;;
	146	mn10300)
	147	machine_dir=mn10300
	148	;;
9e5dd5ea JJ	149	or16)
	150	;;
	151	or32)
	152	;;
8a0efa53 CF	153	powerpc*)
	154	machine_dir=powerpc
	155	;;
9f25eed9	156	sh \| sh64)
8a0efa53 CF	157	machine_dir=sh
	158	;;
	159	sparc*)
	160	machine_dir=sparc
	161	# FIXME: Might wish to make MALLOC_ALIGNMENT more generic.
	162	newlib_cflags="${newlib_cflags} -DMALLOC_ALIGNMENT=8"
	163	;;
	164	strongarm)
	165	machine_dir=arm
	166	;;
0ffc3b94 NC	167	xscale)
	168	machine_dir=xscale
	169	;;
8a0efa53 CF	170	thumb)
	171	machine_dir=arm
	172	;;
	173	tic80*)
	174	machine_dir=tic80
	175	;;
	176	v70)
	177	;;
	178	v810)
	179	;;
	180	v850)
	181	machine_dir=v850
92b57543	182	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
8a0efa53 CF	183	;;
	184	v850e)
	185	machine_dir=v850
92b57543	186	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
8a0efa53 CF	187	;;
	188	v850ea)
	189	machine_dir=v850
92b57543	190	newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
8a0efa53 CF	191	;;
	192	w65*)
	193	machine_dir=w65
	194	;;
f6eff1c0 GK	195	xstormy16)
f6eff1c0 GK	196	machine_dir=xstormy16
9c2e7642	197	newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED"
f6eff1c0	198	;;
8a0efa53 CF	199	z8k)
	200	machine_dir=z8k
	201	;;
	202	*)
	203	echo '***' "Newlib does not support CPU ${host_cpu}" 1>&2
	204	exit 1
	205	;;
	206	esac
	207
	208	# Enable multibyte support if requested.
	209
	210	if [ "${newlib_mb}" = "yes" ] ; then
	211	newlib_cflags="${newlib_cflags} -DMB_CAPABLE"
	212	fi
	213
afecf2fa JJ	214	# Disable printf/scanf floating-point support if requested.
	215
	216	if [ "${newlib_io_float}" = "no" ] ; then
	217	newlib_cflags="${newlib_cflags} -DNO_FLOATING_POINT"
	218	fi
	219
2e1a7175 TF	220	# Verify if shared newlib support is allowed and set appropriate variables
	221	# We don't want to use libtool for platforms that we are not going to
	222	# support shared libraries. This is because it adds executable tests which
	223	# we don't want for most embedded platforms.
	224	case "${host}" in
	225	i[3456]86-pc-linux-*)
	226	use_libtool=yes
fa4a16a1	227	have_sys_mach_dir=yes
2e1a7175 TF	228	oext=lo
	229	aext=la ;;
	230	*) ;; #shared library not supported for ${host}
	231	esac
	232
8a0efa53 CF	233	# Get the source directories to use for the host. unix_dir is set
	234	# to unix to get some standard Unix routines. posix_dir is set to get some
	235	# standard Posix routines. sys_dir should supply system dependent routines
	236	# including crt0.
	237	# THIS TABLE IS ALPHA SORTED. KEEP IT THAT WAY.
	238
	239	case "${host}" in
	240	--cygwin*)
	241	sys_dir=cygwin
	242	posix_dir=posix
	243	;;
	244	--netware*)
	245	signal_dir=
	246	sys_dir=netware
	247	;;
	248	--rtems*) # generic RTEMS support
	249	sys_dir=rtems
	250	# RTEMS POSIX support is all inside RTEMS
	251	;;
	252	a29k--)
	253	sys_dir=a29khif
	254	signal_dir=
	255	;;
	256	arc--)
	257	sys_dir=arc
	258	;;
	259	arm--)
	260	sys_dir=arm
	261	;;
	262	d10v*)
	263	sys_dir=d10v
	264	;;
	265	d30v*)
	266	sys_dir=
	267	;;
	268	h8300--hms)
	269	sys_dir=h8300hms
	270	;;
1ae900d6 JR	271	h8300--elf)
	272	sys_dir=h8300hms
	273	;;
8a0efa53 CF	274	h8300--xray)
	275	sys_dir=h8300xray
	276	;;
	277	h8500--hms)
	278	sys_dir=h8500hms
	279	;;
1ae900d6 JR	280	h8500--elf)
	281	sys_dir=h8500hms
	282	;;
8a0efa53 CF	283	i[3456]86-*-go32)
	284	sys_dir=go32
	285	;;
	286	i[3456]86--sco)
	287	sys_dir=sysvi386
	288	unix_dir=unix
	289	;;
2efbc2a7 JJ	290	i[3456]86-pc-linux-*)
	291	sys_dir=linux
	292	unix_dir=unix
	293	posix_dir=posix
	294	gcc_dir=`gcc -print-search-dirs \| awk '/^install:/{print $2}'`
	295	#newlib_cflags="${newlib_cflags} -Werror" # DEBUGGING ONLY;BREAKS BUILD
	296	newlib_cflags="${newlib_cflags} -Wall"
	297	newlib_cflags="${newlib_cflags} -D_I386MACH_ALLOW_HW_INTERRUPTS"
3a8fc0e4	298	newlib_cflags="${newlib_cflags} -D_LOOSE_KERNEL_NAMES -DHAVE_FCNTL"
2e1a7175	299	# --- Required when building a shared library ------------------------
2efbc2a7 JJ	300	newlib_cflags="${newlib_cflags} -fPIC -D_I386MACH_NEED_SOTYPE_FUNCTION"
	301	# --- The three lines below are optional ------------------------------
	302	##newlib_cflags="${newlib_cflags} -nostdinc"
	303	##newlib_cflags="${newlib_cflags} -I`newlib-flags --kernel-dir`/include"
	304	##newlib_cflags="${newlib_cflags} -idirafter ${gcc_dir}include"
	305	;;
8a0efa53 CF	306	m68k-sun-sunos*)
	307	unix_dir=unix
	308	;;
	309	m8-bug-)
	310	sys_dir=m88kbug
	311	;;
	312	mips-dec-)
	313	sys_dir=decstation
	314	;;
8be9b48b JJ	315	mmix-knuth-mmixware)
	316	sys_dir=mmixware
	317	;;
8a0efa53 CF	318	powerpcle-*-pe)
	319	sys_dir=cygwin
	320	posix_dir=posix
	321	;;
	322	sh-)
	323	sys_dir=sh
	324	;;
	325	sparc-sun-sunos*)
	326	sys_dir=sun4
	327	unix_dir=unix
	328	;;
	329	sparc64*)
	330	sys_dir=sparc64
	331	unix_dir=unix
	332	;;
	333	strongarm--)
	334	sys_dir=arm
	335	;;
0ffc3b94 NC	336	xscale--)
	337	sys_dir=arm
	338	;;
8a0efa53 CF	339	thumb--)
	340	sys_dir=arm
	341	;;
	342	tic80*)
	343	sys_dir=tic80
	344	;;
	345	v70-nec-*)
	346	sys_dir=sysvnecv70
	347	;;
	348	v810--)
	349	sys_dir=sysnec810
	350	;;
	351	v850--)
	352	sys_dir=sysnecv850
	353	;;
	354	v850e--)
	355	sys_dir=sysnecv850
	356	;;
	357	v850ea--)
	358	sys_dir=sysnecv850
	359	;;
	360	w65--)
	361	sys_dir=w65
	362	;;
	363	z8k-*-coff)
	364	sys_dir=z8ksim
	365	;;
	366	esac
	367
	368	# Host specific flag settings -- usually for features that are not
	369	# general enough or broad enough to be handled above.
	370	# THIS TABLE IS ALPHA SORTED. KEEP IT THAT WAY.
	371
	372	case "${host}" in
	373	--cygwin*)
3a8fc0e4	374	newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -DWANT_IO_LONG_DBL -DWANT_PRINTF_LONG_LONG -D_COMPILING_NEWLIB -DHAVE_FCNTL"
3ac6f3a7 JJ	375	# CYGWIN provides its own malloc if --enable-malloc-debugging is set
	376	if [ "x${malloc_debugging}" = "xyes" ] ; then
	377	newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED"
	378	fi
8a0efa53 CF	379	syscall_dir=syscalls
	380	;;
	381	# RTEMS supplies its own versions of some routines:
	382	# malloc() (reentrant version)
	383	# exit() RTEMS has a "global" reent to flush
	384	# signal()/raise() RTEMS has its own including pthread signals
	385	# _XYZ_r() RTEMS has its own reentrant routines
	386	#
	387	# NOTE: When newlib malloc uses a semaphore, RTEMS will switch to that.
	388	--rtems*)
3a8fc0e4	389	newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY -DMALLOC_PROVIDED -DEXIT_PROVIDED -DMISSING_SYSCALL_NAMES -DSIGNAL_PROVIDED -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_OPENDIR -DNO_EXEC -DWANT_PRINTF_LONG_LONG -DHAVE_FCNTL"
8a0efa53 CF	390	;;
	391	# VxWorks supplies its own version of malloc, and the newlib one
	392	# doesn't work because VxWorks does not have sbrk.
	393	-wrs-vxworks)
3a8fc0e4	394	newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED -DMISSING_SYSCALL_NAMES -DHAVE_FCNTL"
8a0efa53 CF	395	;;
	396	# UDI doesn't have exec, so system() should fail the right way
	397	a29k-amd-udi)
	398	newlib_cflags="${newlib_cflags} -DNO_EXEC"
	399	syscall_dir=syscalls
	400	;;
	401	arc--)
	402	syscall_dir=syscalls
	403	;;
	404	arm-*-pe)
	405	syscall_dir=syscalls
	406	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	407	# Don't use the debugging protocols just yet.
	408	;;
	409	arm--)
	410	syscall_dir=syscalls
	411	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	412	# Select which debug protocol is being used.
	413	# ARM_RDP_MONITOR selects the Demon monitor.
	414	# ARM_RDI_MONITOR selects the Angel monitor.
	415	# If neither are defined, then hard coded defaults will be used
	416	# to create the program's environment.
	417	# See also thumb below.
	418	# newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
	419	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	420	;;
4634da64 JJ	421	avr*)
	422	newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
	423	;;
8a0efa53 CF	424	d10v*)
	425	newlib_cflags="${newlib_cflags} -DSMALL_MEMORY"
	426	syscall_dir=syscalls
	427	;;
	428	d30v*)
	429	newlib_cflags="${newlib_cflags} -DABORT_MESSAGE -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
	430	syscall_dir=
	431	;;
	432	fr30--)
	433	newlib_cflags="${newlib_cflags}"
	434	syscall_dir=syscalls
	435	;;
	436	h8300--*)
	437	syscall_dir=syscalls
	438	newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
	439	;;
	440	h8500--)
	441	syscall_dir=syscalls
	442	newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
	443	;;
	444	i[3456]86--sco)
3a8fc0e4	445	newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED -DHAVE_FCNTL"
8a0efa53 CF	446	;;
8a0efa53 CF	447	i[3456]86--netware)
3a8fc0e4	448	newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DABORT_PROVIDED -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DHAVE_FCNTL"
8a0efa53 CF	449	;;
8a0efa53 CF	450	i[3456]86-*-go32)
3a8fc0e4	451	newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DHAVE_FCNTL"
8a0efa53 CF	452	;;
	453	m32r--)
	454	# Pass -msdata=sdata so _impure_ptr goes in .sdata.
	455	# We don't generate sda relocs however for upward compatibility.
	456	# FIXME: This is necessary because the default multilib doesn't
	457	# use --print-multi-lib.
	458	newlib_cflags="${newlib_cflags} -msdata=sdata"
	459	syscall_dir=syscalls
	460	;;
	461	mcore--)
	462	newlib_cflags="${newlib_cflags}"
	463	syscall_dir=syscalls
	464	;;
8be9b48b JJ	465	mmix-*)
	466	syscall_dir=syscalls
	467	# We need every symbol 32-bit aligned, so the invalid
	468	# construct with attribute ((alias ("_ctype_b+127"))) breaks.
	469	newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
	470	;;
8a0efa53 CF	471	mn10?00--)
	472	syscall_dir=syscalls
	473	;;
	474	powerpc--eabi* \| \
	475	powerpc--elf* \| \
	476	powerpc--linux* \| \
	477	powerpc--rtem* \| \
	478	powerpc--sysv* \| \
	479	powerpc--solaris*)
	480	newlib_cflags="${newlib_cflags} -mrelocatable-lib -mno-eabi -mstrict-align -DMISSING_SYSCALL_NAMES"
	481	;;
	482	powerpcle-*-pe)
3a8fc0e4	483	newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DHAVE_FCNTL"
8a0efa53 CF	484	syscall_dir=syscalls
	485	;;
	486	sh--*)
9f25eed9	487	newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY -DWANT_PRINTF_LONG_LONG"
8a0efa53 CF	488	syscall_dir=syscalls
	489	;;
	490	sparc-sun-sunos*)
	491	newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED"
	492	;;
	493	sparc64--)
3a8fc0e4	494	newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_BLKSIZE -DHAVE_GETTIMEOFDAY -DHAVE_FCNTL"
8a0efa53 CF	495	# This either belongs elsewhere or nowhere. But I need something,
	496	# so for now it's here ...
	497	case "${host_os}" in
	498	aoutv8 \| *32p)
	499	newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=32" ;;
	500	*)
	501	newlib_cflags="${newlib_cflags} -DTARGET_PTR_SIZE=64" ;;
	502	esac
	503	;;
	504	strongarm--)
	505	syscall_dir=syscalls
	506	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	507	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	508	;;
0ffc3b94 NC	509	xscale--)
	510	syscall_dir=syscalls
	511	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	512	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	513	;;
8a0efa53 CF	514	thumb-*-pe)
	515	syscall_dir=syscalls
	516	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	517	# Don't use the debugging protocols just yet.
	518	;;
	519	thumb--)
	520	syscall_dir=syscalls
	521	newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
	522	# Select which debug protocol is being used.
	523	# ARM_RDP_MONITOR selects the Demon monitor.
	524	# ARM_RDI_MONITOR selects the Angel monitor.
	525	# If neither are defined, then hard coded defaults will be used
	526	# to create the program's environment.
	527	# See also arm and strongarm above.
	528	# newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
	529	newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
	530	;;
	531	tic80*)
	532	syscall_dir=syscalls
	533	;;
	534	v850--)
	535	syscall_dir=syscalls
	536	;;
	537	v850e--)
	538	syscall_dir=syscalls
	539	;;
	540	v850ea--)
	541	syscall_dir=syscalls
	542	;;
	543	w65--)
	544	syscall_dir=syscalls
	545	newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
	546	;;
f6eff1c0 GK	547	xstormy16--)
	548	newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY"
	549	syscall_dir=syscalls
	550	;;
8a0efa53 CF	551	z8k--)
	552	syscall_dir=syscalls
	553	;;
	554	*)
	555	newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
	556	syscall_dir=
	557	;;
	558	esac