freebsd-skq/contrib/gdb/bfd/configure.in
Paul Traina 7929041ebe Import GDB in its full glory (all 25mb). We'll put it on a diet once it's
fully registered.

(This is the second try, the first import ignored .info files but not .info-*
 files, for some reason.  I'm going to make this consistent.)

Reviewed by:	core
Approved for:	2.2
1996-11-03 17:03:03 +00:00

578 lines
17 KiB
Plaintext

dnl Process this file with autoconf to produce a configure script.
dnl
AC_PREREQ(2.3)
AC_INIT(libbfd.c)
AC_ARG_ENABLE(64-bit-bfd,
[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
[case "${enableval}" in
yes) want64=true ;;
no) want64=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
esac],[want64=false])dnl
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
[case "${enableval}" in
yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
;;
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])dnl
AC_ARG_ENABLE(shared,
[ --enable-shared build shared BFD library],
[case "${enableval}" in
yes) shared=true ;;
no) shared=false ;;
*) AC_MSG_ERROR([bad value ${enableval} for BFD shared option]) ;;
esac])dnl
AC_ARG_ENABLE(commonbfdlib,
[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
[case "${enableval}" in
yes) commonbfdlib=true ;;
no) commonbfdlib=false ;;
*) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
esac])dnl
AC_ARG_WITH(mmap,
[ --with-mmap try using mmap for BFD input files if available],
[case "${withval}" in
yes) want_mmap=true ;;
no) want_mmap=false ;;
*) AC_MSG_ERROR(bad value ${withval} for BFD with-mmap option) ;;
esac],[want_mmap=false])dnl
AC_CONFIG_HEADER(config.h:config.in)
AC_CONFIG_AUX_DIR(`cd $srcdir/..;pwd`)
AC_CANONICAL_SYSTEM
if test -z "$target" ; then
AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
fi
AC_ARG_PROGRAM
host64=false
target64=false
# host stuff:
ALLLIBS='$(TARGETLIB)'
PICFLAG=
SHLIB=unused-shlib
SHLINK=unused-shlink
if test "${shared}" = "true"; then
PICFLAG=-fpic
if test "${commonbfdlib}" = "true"; then
ALLLIBS='$(TARGETLIB)'
else
ALLLIBS='$(TARGETLIB) $(SHLIB) $(SHLINK)'
changequote(,)dnl
SHLIB=libbfd.so.`sed -e 's/[^0-9]*\([0-9.]*\).*/\1/' ${srcdir}/VERSION`
changequote([,])dnl
SHLINK=libbfd.so
fi
fi
AC_PROG_CC
# Permit host specific settings.
. ${srcdir}/configure.host
AC_SUBST(HDEFINES)
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_PROG_INSTALL
if test "${shared}" = "true"; then
if test "${GCC}" != "yes" && test "${shared_non_gcc}" != "yes"; then
AC_MSG_WARN([BFD --enable-shared only supported when using gcc])
shared=false
ALLLIBS='$(TARGETLIB)'
PICFLAG=
SHLIB=unused-shlib
fi
fi
AC_SUBST(ALLLIBS)
AC_SUBST(PICFLAG)
AC_SUBST(SHLIB)
AC_SUBST(SHLIB_CC)
AC_SUBST(SHLIB_CFLAGS)
if test "${commonbfdlib}" = "true"; then
COMMON_SHLIB=yes
PICLIST=piclist
else
COMMON_SHLIB=
PICLIST=
fi
AC_SUBST(COMMON_SHLIB)
AC_SUBST(PICLIST)
AC_SUBST(SHLINK)
HOST_64BIT_LONG=0
if test "x${HOST_64BIT_TYPE}" = "xlong"; then
HOST_64BIT_LONG=1
fi
AC_SUBST(HOST_64BIT_LONG)
BFD_CC_FOR_BUILD
AC_CHECK_HEADERS(stddef.h string.h strings.h stdlib.h time.h unistd.h)
AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h)
AC_HEADER_TIME
AC_CHECK_FUNCS(fcntl getpagesize)
BFD_BINARY_FOPEN
BFD_NEED_DECLARATION(malloc)
BFD_NEED_DECLARATION(free)
# If we are configured native, pick a core file support file.
COREFILE=
COREFLAG=
if test "${target}" = "${host}"; then
case "${host}" in
alpha*-*-linux*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/alphalinux.h")
;;
alpha*-*-*) COREFILE=osf-core.o ;;
arm-*-riscix) COREFILE=trad-core.o ;;
hppa*-*-hpux*) COREFILE=hpux-core.o ;;
hppa*-*-hiux*) COREFILE=hpux-core.o ;;
hppa*-*-bsd*) COREFILE="hpux-core.o hppabsd-core.o"
COREFLAG="-DHPUX_CORE -DHPPABSD_CORE" ;;
changequote(,)dnl
i[345]86-sequent-bsd*)
changequote([,])dnl
COREFILE=trad-core.o;
AC_DEFINE(TRAD_HEADER,"hosts/symmetry.h")
;;
changequote(,)dnl
i[345]86-sequent-sysv4*) ;;
i[345]86-sequent-sysv*)
changequote([,])dnl
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/symmetry.h")
;;
changequote(,)dnl
i[345]86-*-bsd* | i[345]86-*-freebsd*)
changequote([,])dnl
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/i386bsd.h")
;;
changequote(,)dnl
i[345]86-*-netbsd*)
changequote([,])dnl
COREFILE=netbsd-core.o
;;
changequote(,)dnl
i[345]86-esix-sysv3*)
changequote([,])dnl
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/esix.h")
;;
changequote(,)dnl
i[345]86-*-sco* | i[345]86-*-isc*)
changequote([,])dnl
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/i386sco.h")
;;
changequote(,)dnl
i[345]86-*-mach3*)
changequote([,])dnl
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/i386mach3.h")
;;
changequote(,)dnl
i[345]86-*-linux*)
changequote([,])dnl
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/i386linux.h")
;;
changequote(,)dnl
i[345]86-*-isc*) COREFILE=trad-core.o ;;
i[345]86-*-aix*) COREFILE=aix386-core.o ;;
changequote([,])dnl
i860-*-mach3* | i860-*-osf1*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/i860mach3.h")
;;
mips-dec-bsd*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/mipsbsd.h")
;;
mips-dec-mach3*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/mipsmach3.h")
;;
mips-*-netbsd*)
COREFILE=netbsd-core.o
;;
mips-dec-*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/decstation.h")
;;
mips-sgi-irix4*) COREFILE=irix-core.o ;;
mips-sgi-irix5*) COREFILE=irix-core.o ;;
mips-*-mach3*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/mipsmach3.h")
;;
mips-*-sysv4*) ;;
mips-*-sysv* | mips-*-riscos*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/riscos.h")
;;
mips-sony-bsd*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/news-mips.h")
;;
m68*-bull*-sysv*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/dpx2.h")
;;
m68*-hp-hpux*) COREFILE=hpux-core.o ;;
m68*-hp-bsd*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/hp300bsd.h")
;;
m68*-*-linux*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/m68klinux.h")
;;
m68*-motorola-sysv*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER, "hosts/delta68.h")
;;
m68*-sony-*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/news.h")
;;
m68*-*-netbsd*)
COREFILE=netbsd-core.o
;;
m68*-apple-aux*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/m68kaux.h")
;;
m88*-*-sysv4*) ;;
m88*-motorola-sysv*) COREFILE=ptrace-core.o ;;
m88*-*-mach3*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/m88kmach3.h")
;;
ns32k-pc532-mach)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/pc532mach.h")
;;
ns32k-*-netbsd*)
COREFILE=netbsd-core.o
;;
rs6000-*-lynx*) COREFILE=lynx-core.o ;;
rs6000-*-aix4*) COREFILE=rs6000-core.o ;;
rs6000-*-*) COREFILE=rs6000-core.o ;;
powerpc-*-aix4*) COREFILE=rs6000-core.o ;;
powerpc-*-aix*) COREFILE=rs6000-core.o ;;
sparc-*-netbsd*)
COREFILE=netbsd-core.o
;;
tahoe-*-*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/tahoe.h")
;;
vax-*-ultrix2*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/vaxult2.h")
;;
vax-*-ultrix*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/vaxult2.h")
;;
vax-*-*)
COREFILE=trad-core.o
AC_DEFINE(TRAD_HEADER,"hosts/vaxbsd.h")
;;
esac
case "$COREFILE" in
aix386-core.o) COREFLAG=-DAIX386_CORE ;;
hppabsd-core.o) COREFLAG=-DHPPABSD_CORE ;;
hpux-core.o) COREFLAG=-DHPUX_CORE ;;
irix-core.o) COREFLAG=-DIRIX_CORE ;;
lynx-core.o) COREFLAG=-DLYNX_CORE ;;
osf-core.o) COREFLAG=-DOSF_CORE ;;
ptrace-core.o) COREFLAG=-DPTRACE_CORE ;;
rs6000-core.o) COREFLAG="$COREFLAG -DAIX_CORE" ;;
trad-core.o) COREFLAG="$COREFLAG -DTRAD_CORE" ;;
esac
# The ELF code uses the native <sys/procfs.h> to handle core files.
# Define HAVE_SYS_PROCFS_H if the file exists and defines
# prstatus_t.
AC_MSG_CHECKING([for sys/procfs.h])
AC_CACHE_VAL(bfd_cv_header_sys_procfs_h,
[AC_TRY_COMPILE([#include <sys/procfs.h>],
[prstatus_t t;],
bfd_cv_header_sys_procfs_h=yes, bfd_cv_header_sys_procfs_h=no)])
AC_MSG_RESULT($bfd_cv_header_sys_procfs_h)
if test $bfd_cv_header_sys_procfs_h = yes; then
AC_DEFINE(HAVE_SYS_PROCFS_H)
fi
fi
AC_SUBST(COREFILE)
AC_SUBST(COREFLAG)
# target stuff:
# Canonicalize the secondary target names.
if test -n "$enable_targets" ; then
for targ in `echo $enable_targets | sed 's/,/ /g'`
do
result=`$ac_config_sub $targ 2>/dev/null`
if test -n "$result" ; then
canon_targets="$canon_targets $result"
else
# Allow targets that config.sub doesn't recognize, like "all".
canon_targets="$canon_targets $targ"
fi
done
fi
all_targets=false
defvec=
selvecs=
selarchs=
TDEFINES=
for targ in $target $canon_targets
do
if test "x$targ" = "xall"; then
all_targets=true
else
. $srcdir/config.bfd
if test "x$targ" = "x$target"; then
defvec=$targ_defvec
fi
selvecs="$selvecs $targ_defvec $targ_selvecs"
selarchs="$selarchs $targ_archs"
TDEFINES="$TDEFINES $targ_cflags"
fi
done
AC_SUBST(TDEFINES)
# This processing still needs to be done if we're to decide properly whether
# 64-bit support needs to be compiled in. Currently, it will be included if
# the default or any other explicitly requested target requires it; it
# will not be included on a 32-bit host if no 64-bit target is requested, and
# no "--with-64-bit-bfd" option is given, even if "--with-targets=all" is
# used.
# uniq the default and selected vectors in all the configured targets.
f=""
for i in $selvecs ; do
case " $f " in
*" $i "*) ;;
*) f="$f $i" ;;
esac
done
selvecs="$f"
# uniq the architectures in all the configured targets.
f=""
for i in $selarchs ; do
case " $f " in
*" $i "*) ;;
*) f="$f $i" ;;
esac
done
selarchs="$f"
# Target backend .o files.
tb=
elf="elf.o elflink.o"
for vec in $selvecs
do
case "$vec" in
# This list is alphabetized to make it easy to compare
# with the two vector lists in targets.c.
a29kcoff_big_vec) tb="$tb coff-a29k.o cofflink.o" ;;
a_out_adobe_vec) tb="$tb aout-adobe.o aout32.o" ;;
armcoff_little_vec) tb="$tb coff-arm.o cofflink.o " ;;
armcoff_big_vec) tb="$tb coff-arm.o cofflink.o " ;;
armpe_little_vec) tb="$tb pe-arm.o cofflink.o " ;;
armpe_big_vec) tb="$tb pe-arm.o cofflink.o " ;;
armpei_little_vec) tb="$tb pei-arm.o cofflink.o " ;;
armpei_big_vec) tb="$tb pei-arm.o cofflink.o " ;;
aout0_big_vec) tb="$tb aout0.o aout32.o" ;;
aout_arm_big_vec) tb="$tb aout-arm.o aout32.o" ;;
aout_arm_little_vec) tb="$tb aout-arm.o aout32.o" ;;
aout_mips_big_vec) tb="$tb mipsbsd.o aout32.o" ;;
aout_mips_little_vec) tb="$tb mipsbsd.o aout32.o" ;;
apollocoff_vec) tb="$tb coff-apollo.o" ;;
b_out_vec_big_host) tb="$tb bout.o aout32.o" ;;
b_out_vec_little_host) tb="$tb bout.o aout32.o" ;;
bfd_elf32_big_generic_vec) tb="$tb elf32-gen.o elf32.o $elf" ;;
bfd_elf32_bigmips_vec) tb="$tb elf32-mips.o elf32.o $elf ecofflink.o" ;;
bfd_elf32_hppa_vec) tb="$tb elf32-hppa.o elf32.o $elf" ;;
bfd_elf32_i386_vec) tb="$tb elf32-i386.o elf32.o $elf" ;;
bfd_elf32_i860_vec) tb="$tb elf32-i860.o elf32.o $elf" ;;
bfd_elf32_little_generic_vec) tb="$tb elf32-gen.o elf32.o $elf" ;;
bfd_elf32_littlemips_vec) tb="$tb elf32-mips.o elf32.o $elf ecofflink.o" ;;
bfd_elf32_m68k_vec) tb="$tb elf32-m68k.o elf32.o $elf" ;;
bfd_elf32_m88k_vec) tb="$tb elf32-m88k.o elf32.o $elf" ;;
bfd_elf32_powerpc_vec) tb="$tb elf32-ppc.o elf32.o $elf" ;;
bfd_elf32_powerpcle_vec) tb="$tb elf32-ppc.o elf32.o $elf" ;;
bfd_elf32_sparc_vec) tb="$tb elf32-sparc.o elf32.o $elf" ;;
bfd_elf64_big_generic_vec) tb="$tb elf64-gen.o elf64.o $elf"
target64=true ;;
bfd_elf64_little_generic_vec) tb="$tb elf64-gen.o elf64.o $elf"
target64=true ;;
bfd_elf64_sparc_vec) tb="$tb elf64-sparc.o elf64.o $elf"
target64=true ;;
cisco_core_vec) tb="$tb cisco-core.o" ;;
demo_64_vec) tb="$tb demo64.o aout64.o"
target64=true ;;
ecoff_big_vec) tb="$tb coff-mips.o ecoff.o ecofflink.o" ;;
ecoff_little_vec) tb="$tb coff-mips.o ecoff.o ecofflink.o" ;;
ecoffalpha_little_vec) tb="$tb coff-alpha.o ecoff.o ecofflink.o"
target64=true ;;
h8300coff_vec) tb="$tb coff-h8300.o reloc16.o" ;;
h8500coff_vec) tb="$tb coff-h8500.o reloc16.o" ;;
host_aout_vec) tb="$tb host-aout.o aout32.o" ;;
hp300bsd_vec) tb="$tb hp300bsd.o aout32.o" ;;
hp300hpux_vec) tb="$tb hp300hpux.o aout32.o" ;;
i386aout_vec) tb="$tb i386aout.o aout32.o" ;;
i386bsd_vec) tb="$tb i386bsd.o aout32.o" ;;
i386coff_vec) tb="$tb coff-i386.o cofflink.o" ;;
i386dynix_vec) tb="$tb i386dynix.o aout32.o" ;;
i386freebsd_vec) tb="$tb i386freebsd.o aout32.o" ;;
i386msdos_vec) tb="$tb i386msdos.o" ;;
i386pe_vec) tb="$tb pe-i386.o cofflink.o " ;;
i386pei_vec) tb="$tb pei-i386.o cofflink.o" ;;
i386linux_vec) tb="$tb i386linux.o aout32.o" ;;
i386lynx_aout_vec) tb="$tb i386lynx.o lynx-core.o aout32.o" ;;
i386lynx_coff_vec) tb="$tb cf-i386lynx.o cofflink.o lynx-core.o" ;;
i386mach3_vec) tb="$tb i386mach3.o aout32.o" ;;
i386netbsd_vec) tb="$tb i386netbsd.o aout32.o" ;;
i386os9k_vec) tb="$tb i386os9k.o aout32.o" ;;
i860coff_vec) tb="$tb coff-i860.o cofflink.o" ;;
icoff_big_vec) tb="$tb coff-i960.o cofflink.o" ;;
icoff_little_vec) tb="$tb coff-i960.o cofflink.o" ;;
ieee_vec) tb="$tb ieee.o" ;;
m68kcoff_vec) tb="$tb coff-m68k.o cofflink.o" ;;
m68kcoffun_vec) tb="$tb coff-u68k.o coff-m68k.o cofflink.o" ;;
m68klinux_vec) tb="$tb m68klinux.o aout32.o" ;;
m68klynx_aout_vec) tb="$tb m68klynx.o lynx-core.o aout32.o" ;;
m68klynx_coff_vec) tb="$tb cf-m68klynx.o coff-m68k.o cofflink.o lynx-core.o" ;;
m68knetbsd_vec) tb="$tb m68knetbsd.o aout32.o" ;;
m68k4knetbsd_vec) tb="$tb m68k4knetbsd.o aout32.o" ;;
m68kaux_coff_vec) tb="$tb coff-aux.o coff-m68k.o cofflink.o" ;;
m88kbcs_vec) tb="$tb coff-m88k.o" ;;
newsos3_vec) tb="$tb newsos3.o aout32.o" ;;
nlm32_i386_vec) tb="$tb nlm32-i386.o nlm32.o nlm.o" ;;
nlm32_sparc_vec) tb="$tb nlm32-sparc.o nlm32.o nlm.o" ;;
nlm32_alpha_vec) tb="$tb nlm32-alpha.o nlm32.o nlm.o"
target64=true ;;
riscix_vec) tb="$tb aout32.o riscix.o" ;;
nlm32_powerpc_vec) tb="$tb nlm32-ppc.o nlm32.o nlm.o" ;;
pc532netbsd_vec) tb="$tb ns32knetbsd.o aout-ns32k.o" ;;
pc532machaout_vec) tb="$tb pc532-mach.o aout-ns32k.o" ;;
pmac_xcoff_vec) tb="$tb coff-pmac.o xcofflink.o" ;;
rs6000coff_vec) tb="$tb coff-rs6000.o xcofflink.o" ;;
bfd_powerpc_pe_vec) tb="$tb pe-ppc.o cofflink.o" ;;
bfd_powerpcle_pe_vec) tb="$tb pe-ppc.o cofflink.o" ;;
bfd_powerpc_pei_vec) tb="$tb pei-ppc.o cofflink.o" ;;
bfd_powerpcle_pei_vec) tb="$tb pei-ppc.o cofflink.o" ;;
shcoff_vec) tb="$tb coff-sh.o cofflink.o" ;;
shlcoff_vec) tb="$tb coff-sh.o cofflink.o" ;;
som_vec) tb="$tb som.o" ;;
sparclynx_aout_vec) tb="$tb sparclynx.o lynx-core.o aout32.o" ;;
sparclynx_coff_vec) tb="$tb cf-sparclynx.o lynx-core.o" ;;
sparcnetbsd_vec) tb="$tb sparcnetbsd.o aout32.o" ;;
sparccoff_vec) tb="$tb coff-sparc.o" ;;
srec_vec) tb="$tb srec.o" ;;
sunos_big_vec) tb="$tb sunos.o aout32.o" ;;
symbolsrec_vec) tb="$tb srec.o" ;;
tekhex_vec) tb="$tb tekhex.o" ;;
we32kcoff_vec) tb="$tb coff-we32k.o" ;;
z8kcoff_vec) tb="$tb coff-z8k.o reloc16.o" ;;
w65_vec) tb="$tb coff-w65.o reloc16.o" ;;
versados_vec) tb="$tb versados.o" ;;
"") ;;
*) AC_MSG_ERROR(*** unknown target vector $vec) ;;
esac
done
# Target architecture .o files.
ta=`echo $selarchs | sed -e s/bfd_/cpu-/g -e s/_arch/.o/g`
# Weed out duplicate .o files.
f=""
for i in $tb ; do
case " $f " in
*" $i "*) ;;
*) f="$f $i" ;;
esac
done
tb="$f"
f=""
for i in $ta ; do
case " $f " in
*" $i "*) ;;
*) f="$f $i" ;;
esac
done
ta="$f"
bfd_backends="$tb"
bfd_machines="$ta"
if test x${all_targets} = xtrue ; then
bfd_backends="${bfd_backends}"' $(ALL_BACKENDS)'
bfd_machines="${bfd_machines}"' $(ALL_MACHINES)'
selvecs=
selarchs=
else # all_targets is true
# Only set these if they will be nonempty, for the clever echo.
test -n "$selvecs" &&
selvecs=`echo $selvecs | sed -e 's/^/\&/' -e 's/ \(.\)/,\&\1/g'`
test -n "$selarchs" &&
selarchs=`echo $selarchs | sed -e 's/^/\&/' -e 's/ \(.\)/,\&\1/g'`
fi # all_targets is true
case ${host64}-${target64}-${want64} in
*true*)
wordsize=64
all_backends='$(BFD64_BACKENDS) $(BFD32_BACKENDS)'
;;
false-false-false)
wordsize=32
all_backends='$(BFD32_BACKENDS)'
;;
esac
AC_SUBST(wordsize)
AC_SUBST(all_backends)
AC_SUBST(bfd_backends)
AC_SUBST(bfd_machines)
tdefaults=""
test -n "${defvec}" && tdefaults="${tdefaults} -DDEFAULT_VECTOR=${defvec}"
test -n "${selvecs}" && tdefaults="${tdefaults} -DSELECT_VECS='${selvecs}'"
test -n "${selarchs}" && tdefaults="${tdefaults} -DSELECT_ARCHITECTURES='${selarchs}'"
AC_SUBST(tdefaults)
dnl AC_CHECK_HEADERS(sys/mman.h)
AC_FUNC_MMAP
AC_CHECK_FUNCS(madvise mprotect)
case ${want_mmap}+${ac_cv_func_mmap} in
true+yes ) AC_DEFINE(USE_MMAP) ;;
esac
rm -f doc/config.status
AC_OUTPUT(Makefile doc/Makefile,
[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac])