703 lines
20 KiB
Text
703 lines
20 KiB
Text
dnl Process this file with autoconf to produce a configure script.
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dnl
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dnl And be careful when changing it! If you must add tests with square
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dnl brackets, be sure changequote invocations surround it.
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dnl
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dnl
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dnl v2.5 needed for --bindir et al
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AC_PREREQ(2.5)
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AC_INIT(as.h)
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AC_CANONICAL_SYSTEM
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AM_INIT_AUTOMAKE(gas, 2.8.2)
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AM_PROG_LIBTOOL
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user_bfd_gas=
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AC_ARG_ENABLE(bfd-assembler,
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[ --enable-bfd-assembler use BFD back end for writing object files],
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[case "${enableval}" in
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yes) need_bfd=yes user_bfd_gas=yes ;;
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no) user_bfd_gas=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
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esac])dnl
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AC_ARG_ENABLE(targets,
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[ targets alternative target configurations besides the primary],
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[case "${enableval}" in
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yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
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;;
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no) enable_targets= ;;
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*) enable_targets=$enableval ;;
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esac])dnl
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AC_ARG_ENABLE(commonbfdlib,
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[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library],
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[case "${enableval}" in
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yes) commonbfdlib=true ;;
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no) commonbfdlib=false ;;
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*) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
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esac])dnl
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# Generate a header file
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AM_CONFIG_HEADER(config.h:config.in)
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te_file=generic
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canon_targets=""
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if test -n "$enable_targets" ; then
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for t in `echo $enable_targets | sed 's/,/ /g'`; do
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result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $t 2>/dev/null`
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if test -n "$result" ; then
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canon_targets="$canon_targets $result"
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# else
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# # Permit "all", etc. We don't support it yet though.
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# canon_targets="$canon_targets $t"
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fi
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done
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GAS_UNIQ(canon_targets)
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fi
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emulations=""
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for this_target in $target $canon_targets ; do
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changequote(,)dnl
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eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
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changequote([,])dnl
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# check for architecture variants
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arch=
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endian=
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case ${cpu} in
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alpha*) cpu_type=alpha ;;
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armeb) cpu_type=arm endian=big ;;
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arm*) cpu_type=arm endian=little ;;
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thumb*) cpu_type=arm endian=little ;;
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hppa*) cpu_type=hppa ;;
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changequote(,)dnl
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i[456]86) cpu_type=i386 ;;
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m680[012346]0) cpu_type=m68k ;;
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m68008) cpu_type=m68k ;;
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m683??) cpu_type=m68k ;;
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changequote([,])dnl
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m8*) cpu_type=m88k ;;
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mips*el) cpu_type=mips endian=little ;;
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# start-sanitize-r5900
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mips*5900*) cpu_type=mips endian=little ;;
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# end-sanitize-r5900
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mips*) cpu_type=mips endian=big ;;
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powerpcle*) cpu_type=ppc endian=little ;;
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powerpc*) cpu_type=ppc endian=big ;;
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rs6000*) cpu_type=ppc ;;
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sparclite*) cpu_type=sparc arch=sparclite ;;
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sparclet*) cpu_type=sparc arch=sparclet ;;
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sparc64*) cpu_type=sparc arch=v9-64 ;;
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sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
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v850*) cpu_type=v850 ;;
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*) cpu_type=${cpu} ;;
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esac
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if test ${this_target} = $target ; then
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target_cpu_type=${cpu_type}
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if test x${endian} = xbig; then
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AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 1)
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elif test x${endian} = xlittle; then
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AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 0)
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fi
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elif test ${target_cpu_type} != ${cpu_type} ; then
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continue
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fi
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generic_target=${cpu_type}-$vendor-$os
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dev=no
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bfd_gas=no
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em=generic
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# assign object format
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case ${generic_target} in
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a29k-*-coff) fmt=coff ;;
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a29k-amd-udi) fmt=coff ;;
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a29k-amd-ebmon) fmt=coff ;;
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a29k-nyu-sym1) fmt=coff ;;
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a29k-*-vxworks*) fmt=coff ;;
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alpha*-*-*vms*) fmt=evax ;;
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alpha*-*-netware*) fmt=ecoff ;;
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alpha*-*-openbsd*) fmt=ecoff ;;
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alpha*-*-osf*) fmt=ecoff ;;
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alpha*-*-linuxecoff*) fmt=ecoff ;;
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alpha*-*-linux*) fmt=elf em=linux ;;
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arc-*-elf*) fmt=elf bfd_gas=yes ;;
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arm-*-riscix*) fmt=aout em=riscix ;;
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arm-*-aout) fmt=aout ;;
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arm-*-coff | thumb-*-coff) fmt=coff ;;
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arm-*-riscix*) fmt=aout ;;
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arm-*-pe) fmt=coff em=pe ;;
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d10v-*-*) fmt=elf bfd_gas=yes ;;
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# start-sanitize-d30v
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d30v-*-*) fmt=elf bfd_gas=yes ;;
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# end-sanitize-d30v
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hppa-*-*elf*) fmt=elf em=hppa ;;
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hppa-*-lites*) fmt=elf em=hppa ;;
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hppa-*-osf*) fmt=som em=hppa ;;
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hppa-*-rtems*) fmt=elf em=hppa ;;
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hppa-*-hpux*) fmt=som em=hppa ;;
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hppa-*-bsd*) fmt=som em=hppa ;;
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hppa-*-hiux*) fmt=som em=hppa ;;
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h8300-*-coff) fmt=coff ;;
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i386-ibm-aix*) fmt=coff em=i386aix ;;
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i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;;
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i386-*-bsd*) fmt=aout em=386bsd ;;
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i386-*-netbsd0.8) fmt=aout em=386bsd ;;
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i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;;
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i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;;
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i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;;
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i386-*-linux*coff*) fmt=coff em=linux ;;
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i386-*-linux*) fmt=elf em=linux ;;
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i386-*-lynxos*) fmt=coff em=lynx ;;
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i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
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fmt=elf ;;
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i386-*-freebsdelf*) fmt=elf ;;
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i386-*-freebsd*) fmt=aout em=386bsd ;;
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i386-*-sco*elf*) fmt=elf
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if test ${this_target} = $target; then
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AC_DEFINE(SCO_ELF)
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fi
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;;
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i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
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fmt=coff ;;
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i386-*-vsta) fmt=aout ;;
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i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
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fmt=coff em=go32;;
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i386-*-rtems*) fmt=coff ;;
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i386-*-gnu*) fmt=elf ;;
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i386-*-mach*)
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fmt=aout em=mach bfd_gas=yes ;;
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i386-*-msdos*) fmt=aout ;;
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i386-*-moss*) fmt=elf ;;
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i386-*-pe) fmt=coff em=pe ;;
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i386-*-cygwin32) fmt=coff em=pe bfd_gas=yes ;;
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i386-*-*nt) fmt=coff em=pe ;;
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i960-*-bout) fmt=bout ;;
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i960-*-coff) fmt=coff em=ic960 ;;
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i960-*-rtems*) fmt=coff em=ic960 ;;
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i960-*-nindy*) fmt=bout ;;
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i960-*-vxworks4*) fmt=bout ;;
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i960-*-vxworks5.0) fmt=bout ;;
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i960-*-vxworks5.*) fmt=coff em=ic960 ;;
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i960-*-vxworks*) fmt=bout ;;
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m32r-*-*) fmt=elf bfd_gas=yes ;;
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m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
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fmt=aout em=sun3 ;;
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m68k-motorola-sysv*) fmt=coff em=delta ;;
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m68k-bull-sysv3*) fmt=coff em=dpx2 ;;
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m68k-apollo-*) fmt=coff em=apollo ;;
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m68k-*-sysv4*) # must be before -sysv*
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fmt=elf em=svr4 ;;
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m68k-*-elf*) fmt=elf ;;
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m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
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fmt=coff ;;
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m68k-*-hpux*) fmt=hp300 em=hp300 ;;
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m68k-*-linux*aout*) fmt=aout em=linux ;;
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m68k-*-linux*) fmt=elf em=linux ;;
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m68k-*-lynxos*) fmt=coff em=lynx ;;
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m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
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m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
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m68k-apple-aux*) fmt=coff em=aux ;;
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m68k-*-psos*) fmt=elf em=psos;;
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m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
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m88k-*-coff*) fmt=coff ;;
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# don't change em like *-*-bsd does
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mips-dec-netbsd*) fmt=elf endian=little ;;
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mips-dec-openbsd*) fmt=elf endian=little ;;
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mips-dec-bsd*) fmt=aout ;;
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mips-sony-bsd*) fmt=ecoff ;;
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mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
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mips-*-ultrix*) fmt=ecoff endian=little ;;
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mips-*-osf*) fmt=ecoff endian=little ;;
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mips-*-ecoff*) fmt=ecoff ;;
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mips-*-ecoff*) fmt=ecoff ;;
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mips-*-irix6*) fmt=elf ;;
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mips-*-irix5*) fmt=elf ;;
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mips-*-irix*) fmt=ecoff ;;
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mips-*-lnews*) fmt=ecoff em=lnews ;;
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mips-*-riscos*) fmt=ecoff ;;
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mips-*-sysv*) fmt=ecoff ;;
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mips-*-elf* | mips-*-rtems* | mips-*-linux* | mips-*-gnu* | mips-*-openbsd*)
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fmt=elf ;;
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mn10200-*-*) fmt=elf bfd_gas=yes ;;
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mn10300-*-*) fmt=elf bfd_gas=yes ;;
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ppc-*-pe | ppc-*-cygwin32 | ppc-*-winnt*)
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fmt=coff em=pe ;;
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ppc-*-aix*) fmt=coff ;;
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ppc-*-beos*) fmt=coff ;;
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ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
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fmt=elf ;;
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ppc-*-linux*) fmt=elf
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case "$endian" in
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big) ;;
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*) AC_MSG_ERROR(Linux must be configured big endian) ;;
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esac
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;;
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ppc-*-solaris*) fmt=elf
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if test ${this_target} = $target; then
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AC_DEFINE(TARGET_SOLARIS_COMMENT)
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fi
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if test x${endian} = xbig; then
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AC_MSG_ERROR(Solaris must be configured little endian)
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fi
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;;
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ppc-*-rtems*) fmt=elf ;;
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ppc-*-macos* | ppc-*-mpw*)
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fmt=coff em=macos ;;
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ppc-*-netware*) fmt=elf em=ppcnw ;;
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sh-*-elf*) fmt=elf ;;
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sh-*-coff*) fmt=coff ;;
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sh-*-rtems*) fmt=elf ;;
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ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;;
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ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;;
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ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
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sparc-*-rtems*) fmt=aout ;;
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sparc-*-sunos4*) fmt=aout em=sun3 ;;
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sparc-*-aout | sparc*-*-vxworks*)
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fmt=aout em=sparcaout ;;
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sparc-*-coff) fmt=coff ;;
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sparc-*-linux*aout*) fmt=aout em=linux ;;
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sparc-*-linux*) fmt=elf em=linux ;;
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sparc-*-lynxos*) fmt=coff em=lynx ;;
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sparc-fujitsu-none) fmt=aout ;;
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sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
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fmt=elf ;;
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sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
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sparc-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;;
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# start-sanitize-tic80
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tic80-*-*) fmt=coff ;;
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# end-sanitize-tic80
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# start-sanitize-sky
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txvu-*-*) fmt=elf bfd_gas=yes ;;
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# end-sanitize-sky
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v850-*-*) fmt=elf bfd_gas=yes ;;
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# start-sanitize-v850e
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v850e-*-*) fmt=elf bfd_gas=yes ;;
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v850ea-*-*) fmt=elf bfd_gas=yes ;;
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# end-sanitize-v850e
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vax-*-bsd* | vax-*-ultrix*)
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fmt=aout ;;
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vax-*-vms) fmt=vms ;;
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z8k-*-coff | z8k-*-sim)
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fmt=coff ;;
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w65-*-*) fmt=coff ;;
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*-*-aout | *-*-scout)
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fmt=aout ;;
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*-*-nindy*)
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fmt=bout ;;
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*-*-bsd*)
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fmt=aout em=sun3 ;;
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*-*-generic) fmt=generic ;;
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*-*-xray | *-*-hms) fmt=coff ;;
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*-*-sim) fmt=coff ;;
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*-*-elf | *-*-sysv4* | *-*-solaris*)
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AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
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fmt=elf dev=yes ;;
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*-*-vxworks) fmt=aout ;;
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*-*-netware) fmt=elf ;;
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esac
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case ${cpu_type}-${fmt} in
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alpha*-*) bfd_gas=yes ;;
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arm-*) bfd_gas=yes ;;
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# not yet
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# i386-aout) bfd_gas=preferred ;;
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mips-*) bfd_gas=yes ;;
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ns32k-*) bfd_gas=yes ;;
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ppc-*) bfd_gas=yes ;;
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sparc-*) bfd_gas=yes ;;
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*-elf) bfd_gas=yes ;;
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*-ecoff) bfd_gas=yes ;;
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*-som) bfd_gas=yes ;;
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*) ;;
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esac
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# Other random stuff.
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# do we need the opcodes library?
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case ${cpu_type} in
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vax | i386)
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;;
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*)
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need_opcodes=yes
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if test "${shared_opcodes}" = "true"; then
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# A shared libopcodes must be linked against libbfd.
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need_bfd=yes
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fi
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;;
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esac
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case ${cpu_type} in
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m32r)
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case ${extra_objects} in
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*cgen.o*) ;;
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*) extra_objects="$extra_objects cgen.o"
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AC_DEFINE(USING_CGEN)
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;;
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esac
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;;
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m68k)
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case ${extra_objects} in
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*m68k-parse.o*) ;;
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*) extra_objects="$extra_objects m68k-parse.o" ;;
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esac
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;;
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mips)
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echo ${extra_objects} | grep -s "itbl-parse.o"
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if test $? -ne 0 ; then
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extra_objects="$extra_objects itbl-parse.o"
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fi
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echo ${extra_objects} | grep -s "itbl-lex.o"
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if test $? -ne 0 ; then
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extra_objects="$extra_objects itbl-lex.o"
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fi
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echo ${extra_objects} | grep -s "itbl-ops.o"
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if test $? -ne 0 ; then
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extra_objects="$extra_objects itbl-ops.o"
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fi
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;;
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sparc)
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if test $this_target = $target ; then
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AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}")
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fi
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;;
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*)
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;;
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esac
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# See if we really can support this configuration with the emulation code.
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if test $this_target = $target ; then
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primary_bfd_gas=$bfd_gas
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obj_format=$fmt
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te_file=$em
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if test $bfd_gas = no ; then
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# Can't support other configurations this way.
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break
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fi
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elif test $bfd_gas = no ; then
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# Can't support this configuration.
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break
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fi
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# From target name and format, produce a list of supported emulations.
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case ${generic_target}-${fmt} in
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mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
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mips-*-linux*-*) case "$endian" in
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big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
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*) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
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esac ;;
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mips-*-lnews*-ecoff) ;;
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mips-*-*-ecoff) case "$endian" in
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big) emulation="mipsbecoff mipslecoff mipsecoff" ;;
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*) emulation="mipslecoff mipsbecoff mipsecoff" ;;
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esac ;;
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mips-*-*-elf) case "$endian" in
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big) emulation="mipsbelf mipslelf mipself" ;;
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*) emulation="mipslelf mipsbelf mipself" ;;
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# Uncommenting the next line will turn on support for i386 COFF
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# in any i386 ELF configuration. This probably doesn't work
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# correctly.
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# i386-*-*-elf) emulation="i386coff i386elf" ;;
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esac ;;
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esac
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emulations="$emulations $emulation"
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done
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# Assign floating point type. Most processors with FP support
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# IEEE FP. On those that don't support FP at all, usually IEEE
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# is emulated.
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case ${target_cpu} in
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vax | tahoe ) atof=${target_cpu} ;;
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*) atof=ieee ;;
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esac
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case "${obj_format}" in
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"") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
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esac
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dnl
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dnl Make sure the desired support files exist.
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dnl
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|
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if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
|
|
AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
|
|
fi
|
|
|
|
if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
|
|
AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
|
|
fi
|
|
|
|
case ${user_bfd_gas}-${primary_bfd_gas} in
|
|
yes-yes | no-no)
|
|
# We didn't override user's choice.
|
|
;;
|
|
no-yes)
|
|
AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
|
|
;;
|
|
no-preferred)
|
|
primary_bfd_gas=no
|
|
;;
|
|
*-preferred)
|
|
primary_bfd_gas=yes
|
|
;;
|
|
yes-*)
|
|
primary_bfd_gas=yes
|
|
;;
|
|
-*)
|
|
# User specified nothing.
|
|
;;
|
|
esac
|
|
|
|
# Some COFF configurations want these random other flags set.
|
|
case ${obj_format} in
|
|
coff)
|
|
case ${target_cpu_type} in
|
|
i386) AC_DEFINE(I386COFF) ;;
|
|
m68k) AC_DEFINE(M68KCOFF) ;;
|
|
m88k) AC_DEFINE(M88KCOFF) ;;
|
|
esac
|
|
;;
|
|
esac
|
|
|
|
# Getting this done right is going to be a bitch. Each configuration specified
|
|
# with --enable-targets=... should be checked for environment, format, cpu, and
|
|
# bfd_gas setting.
|
|
#
|
|
# For each configuration, the necessary object file support code must be linked
|
|
# in. This might be only one, it might be up to four. The necessary emulation
|
|
# code needs to be provided, too.
|
|
#
|
|
# And then there's "--enable-targets=all"....
|
|
#
|
|
# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh.
|
|
|
|
formats="${obj_format}"
|
|
emfiles=""
|
|
EMULATIONS=""
|
|
GAS_UNIQ(emulations)
|
|
for em in . $emulations ; do
|
|
case $em in
|
|
.) continue ;;
|
|
mipsbelf | mipslelf)
|
|
fmt=elf file=mipself ;;
|
|
mipsbecoff | mipslecoff)
|
|
fmt=ecoff file=mipsecoff ;;
|
|
i386coff)
|
|
fmt=coff file=i386coff ;;
|
|
i386elf)
|
|
fmt=elf file=i386elf ;;
|
|
esac
|
|
formats="$formats $fmt"
|
|
emfiles="$emfiles e-$file.o"
|
|
EMULATIONS="$EMULATIONS &$em,"
|
|
done
|
|
GAS_UNIQ(formats)
|
|
GAS_UNIQ(emfiles)
|
|
if test `set . $formats ; shift ; echo $#` -gt 1 ; then
|
|
for fmt in $formats ; do
|
|
case $fmt in
|
|
aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;;
|
|
bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;;
|
|
coff) AC_DEFINE(OBJ_MAYBE_COFF) ;;
|
|
ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;;
|
|
elf) AC_DEFINE(OBJ_MAYBE_ELF) ;;
|
|
generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;;
|
|
hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;;
|
|
ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;;
|
|
som) AC_DEFINE(OBJ_MAYBE_SOM) ;;
|
|
vms) AC_DEFINE(OBJ_MAYBE_VMS) ;;
|
|
esac
|
|
extra_objects="$extra_objects obj-$fmt.o"
|
|
done
|
|
obj_format=multi
|
|
fi
|
|
if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
|
|
te_file=multi
|
|
extra_objects="$extra_objects $emfiles"
|
|
DEFAULT_EMULATION=`set . $emulations ; echo $2`
|
|
AC_DEFINE(USE_EMULATIONS)
|
|
fi
|
|
AC_SUBST(extra_objects)
|
|
AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS)
|
|
AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION")
|
|
|
|
case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
|
|
yes-*-coff) need_bfd=yes ;;
|
|
no-*-coff) need_bfd=yes
|
|
AC_DEFINE(MANY_SEGMENTS) ;;
|
|
esac
|
|
|
|
reject_dev_configs=yes
|
|
|
|
case ${reject_dev_configs}-${dev} in
|
|
yes-yes) # Oops.
|
|
AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
|
|
;;
|
|
esac
|
|
|
|
AC_SUBST(target_cpu_type)
|
|
AC_SUBST(obj_format)
|
|
AC_SUBST(te_file)
|
|
AC_SUBST(atof)
|
|
dnl AC_SUBST(emulation)
|
|
|
|
case "${primary_bfd_gas}" in
|
|
yes) AC_DEFINE(BFD_ASSEMBLER)
|
|
need_bfd=yes ;;
|
|
esac
|
|
|
|
# do we need the opcodes library?
|
|
case "${need_opcodes}" in
|
|
yes)
|
|
OPCODES_LIB=../opcodes/libopcodes.la
|
|
;;
|
|
esac
|
|
|
|
case "${need_bfd}" in
|
|
yes)
|
|
BFDLIB=../bfd/libbfd.la
|
|
ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
|
|
;;
|
|
esac
|
|
|
|
AC_SUBST(BFDLIB)
|
|
AC_SUBST(OPCODES_LIB)
|
|
|
|
AC_SUBST(ALL_OBJ_DEPS)
|
|
|
|
AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}")
|
|
AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}")
|
|
AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}")
|
|
AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}")
|
|
AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}")
|
|
|
|
AC_PROG_CC
|
|
|
|
AC_PROG_YACC
|
|
AC_PROG_LEX
|
|
AC_DECL_YYTEXT
|
|
|
|
AM_MAINTAINER_MODE
|
|
AM_CYGWIN32
|
|
AM_EXEEXT
|
|
|
|
AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
|
|
|
|
# Put this here so that autoconf's "cross-compiling" message doesn't confuse
|
|
# people who are not cross-compiling but are compiling cross-assemblers.
|
|
AC_MSG_CHECKING(whether compiling a cross-assembler)
|
|
if test "${host}" = "${target}"; then
|
|
cross_gas=no
|
|
else
|
|
cross_gas=yes
|
|
AC_DEFINE(CROSS_COMPILE)
|
|
fi
|
|
AC_MSG_RESULT($cross_gas)
|
|
|
|
dnl ansidecl.h will deal with const
|
|
dnl AC_CONST
|
|
AC_FUNC_ALLOCA
|
|
AC_C_INLINE
|
|
|
|
# VMS doesn't have unlink.
|
|
AC_CHECK_FUNCS(unlink remove, break)
|
|
|
|
# Some systems don't have sbrk().
|
|
AC_CHECK_FUNCS(sbrk)
|
|
|
|
# Some non-ANSI preprocessors botch requoting inside strings. That's bad
|
|
# enough, but on some of those systems, the assert macro relies on requoting
|
|
# working properly!
|
|
GAS_WORKING_ASSERT
|
|
|
|
# On some systems, the system header files may not declare malloc, realloc,
|
|
# and free. There are places where gas needs these functions to have been
|
|
# declared -- such as when taking their addresses.
|
|
gas_test_headers="
|
|
#ifdef HAVE_MEMORY_H
|
|
#include <memory.h>
|
|
#endif
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#else
|
|
#ifdef HAVE_STRINGS_H
|
|
#include <strings.h>
|
|
#endif
|
|
#endif
|
|
#ifdef HAVE_STDLIB_H
|
|
#include <stdlib.h>
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
"
|
|
GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
|
|
GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
|
|
GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
|
|
GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
|
|
|
|
# Does errno.h declare errno, or do we have to add a separate declaration
|
|
# for it?
|
|
GAS_CHECK_DECL_NEEDED(errno, f, int f, [
|
|
#ifdef HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#endif
|
|
])
|
|
|
|
dnl This must come last.
|
|
|
|
dnl We used to make symlinks to files in the source directory, but now
|
|
dnl we just use the right name for .c files, and create .h files in
|
|
dnl the build directory which include the right .h file. Make sure
|
|
dnl the old symlinks don't exist, so that a reconfigure in an existing
|
|
dnl directory behaves reasonably.
|
|
|
|
AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in,
|
|
[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
|
|
echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
|
|
echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
|
|
echo '#include "te-'"${te_file}"'.h"' > targ-env.h
|
|
echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
|
|
case ${target_cpu_type} in
|
|
m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;;
|
|
esac],
|
|
[target_cpu_type=${target_cpu_type}
|
|
obj_format=${obj_format}
|
|
te_file=${te_file}])
|