IA16 support
[deliverable/binutils-gdb.git] / ld / configure.tgt
index ef876b26c7762b1412cd03d2087bc7353dd149d4..895f0fb6745c27b49d76cbdc647a4acecd0341cc 100644 (file)
@@ -1,6 +1,6 @@
 # configure.tgt
 #
-#   Copyright (C) 2013-2015 Free Software Foundation, Inc.
+#   Copyright (C) 2013-2017 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -47,8 +47,15 @@ targ64_extra_libpath=
 case "${targ}" in
 aarch64_be-*-elf)      targ_emul=aarch64elfb
                        targ_extra_emuls="aarch64elf aarch64elf32 aarch64elf32b armelfb armelf" ;;
-aarch64-*-elf)         targ_emul=aarch64elf
+aarch64-*-elf | aarch64-*-rtems*)
+                       targ_emul=aarch64elf
                        targ_extra_emuls="aarch64elf32 aarch64elf32b aarch64elfb armelf armelfb" ;;
+aarch64-*-cloudabi*)   targ_emul=aarch64cloudabi
+                       targ_extra_emuls=aarch64cloudabib ;;
+aarch64-*-freebsd*)    targ_emul=aarch64fbsd
+                       targ_extra_emuls="aarch64fbsdb aarch64elf" ;;
+aarch64-*-fuchsia*)    targ_emul=aarch64elf
+                       targ_extra_emuls="aarch64elfb armelf armelfb" ;;
 aarch64_be-*-linux*)   targ_emul=aarch64linuxb
                        targ_extra_libpath="aarch64linux aarch64linux32 aarch64linux32b armelfb_linux_eabi armelf_linux_eabi"
                        targ_extra_emuls="aarch64elfb aarch64elf aarch64elf32 aarch64elf32b armelfb armelf $targ_extra_libpath" ;;
@@ -70,7 +77,18 @@ alpha*-*-netbsd*)    targ_emul=elf64alpha_nbsd ;;
 alpha*-*-openbsd*)     targ_emul=elf64alpha ;;
 alpha*-*-*vms*)                targ_emul=alphavms
                        ;;
-arc-*-elf*)            targ_emul=arcelf
+arc*-*-elf*)           targ_emul=arcelf
+                       targ_extra_emuls="arcelf_prof arclinux arclinux_nps arclinux_prof arcv2elf arcv2elfx"
+                       ;;
+arc*-*-linux*)         case "${with_cpu}" in
+                       nps400) targ_emul=arclinux_nps
+                               targ_extra_emuls=arclinux
+                               ;;
+                       *)      targ_emul=arclinux
+                               targ_extra_emuls=arclinux_nps
+                               ;;
+                       esac
+                       targ_extra_emuls="${targ_extra_emuls} arclinux_prof arcelf arcelf_prof arcv2elf arcv2elfx"
                        ;;
 arm-epoc-pe)           targ_emul=arm_epoc_pe ; targ_extra_ofiles="deffilep.o pe-dll.o" ;;
 arm*-*-cegcc*)         targ_emul=arm_wince_pe ; targ_extra_ofiles="deffilep.o pe-dll.o"
@@ -94,10 +112,10 @@ arm-*-netbsd*)             targ_emul=armnbsd;
                        targ_extra_emuls="armelf armelf_nbsd armelfb_nbsd"  ;;
 arm-*-nto*)            targ_emul=armnto ;;
 arm-*-openbsd*)                targ_emul=armnbsd ;;
-arm-*-rtems*)          targ_emul=armelf ;;
+arm-*-phoenix*)                targ_emul=armelf ;;
 armeb-*-elf | armeb-*-eabi*)
                        targ_emul=armelfb ;;
-arm-*-elf | arm*-*-eabi*)
+arm-*-elf | arm*-*-eabi* | arm-*-rtems*)
                        targ_emul=armelf ;;
 arm*-*-symbianelf*)     targ_emul=armsymbian;;
 arm-*-kaos*)           targ_emul=armelf ;;
@@ -140,14 +158,14 @@ arm*-*-uclinux*)  targ_emul=armelf_linux
                        ;;
 arm-*-vxworks)         targ_emul=armelf_vxworks ;;
 arm*-*-conix*)         targ_emul=armelf ;;
+arm*-*-fuchsia*)       targ_emul=armelf_fuchsia
+                       targ_extra_emuls="armelfb_fuchsia armelf armelfb"
+                       ;;
 avr-*-*)               targ_emul=avr2
                        targ_extra_emuls="avr1 avr25 avr3 avr31 avr35 avr4 avr5 avr51 avr6 avrxmega1 avrxmega2 avrxmega3 avrxmega4 avrxmega5 avrxmega6 avrxmega7 avrtiny"
                        ;;
-bfin-*-elf)            targ_emul=elf32bfin;
-                       targ_extra_emuls="elf32bfinfd"
-                       targ_extra_libpath=$targ_extra_emuls
-                       ;;
-bfin-*-rtems*)         targ_emul=elf32bfin;
+bfin-*-elf | bfin-*-rtems*)
+                       targ_emul=elf32bfin
                        targ_extra_emuls="elf32bfinfd"
                        targ_extra_libpath=$targ_extra_emuls
                        ;;
@@ -193,11 +211,14 @@ moxie-*-moxiebox*)        targ_emul=moxiebox
                        ;;
 moxie-*-*)             targ_emul=elf32moxie
                        ;;
-h8300-*-hms* | h8300-*-coff* | h8300-*-rtemscoff*)
+h8300-*-hms* | h8300-*-coff*)
                        targ_emul=h8300; targ_extra_emuls="h8300h h8300s h8300hn h8300sn h8300sx h8300sxn" ;;
 h8300-*-elf* | h8300-*-rtems*)
                        targ_emul=h8300elf;
                        targ_extra_emuls="h8300helf h8300self h8300hnelf h8300snelf h8300sxelf h8300sxnelf" ;;
+h8300-*-linux*)
+                       targ_emul=h8300elf_linux;
+                       targ_extra_emuls="h8300helf_linux h8300self_linux h8300sxelf_linux" ;;
 h8500-*-hms* | h8500-*-coff* | h8500-*-rtems*)
                        targ_emul=h8500
                        targ_extra_emuls="h8500s h8500b h8500m h8500c"
@@ -221,45 +242,56 @@ i[3-7]86-*-sco*)  targ_emul=i386coff ;;
 i[3-7]86-*-isc*)       targ_emul=i386coff ;;
 i[3-7]86-*-lynxos*)    targ_emul=i386lynx ;;
 i[3-7]86-*-coff)       targ_emul=i386coff ;;
-i[3-7]86-*-rtems*)     targ_emul=elf_i386 ;;
-i[3-7]86-*-aros*)      targ_emul=elf_i386 ;;
-i[3-7]86-*-rdos*)      targ_emul=elf_i386 ;;
+i[3-7]86-*-aros*)      targ_emul=elf_i386
+                       targ_extra_emuls=elf_iamcu ;;
+i[3-7]86-*-rdos*)      targ_emul=elf_i386
+                       targ_extra_emuls=elf_iamcu ;;
 x86_64-*-rdos*)                targ_emul=elf64rdos ;;
+x86_64-*-cloudabi*)    targ_emul=elf_x86_64_cloudabi ;;
 i[3-7]86-*-bsd)                targ_emul=i386bsd ;;
 i[3-7]86-*-bsd386)     targ_emul=i386bsd ;;
 i[3-7]86-*-bsdi*)      targ_emul=i386bsd ;;
 i[3-7]86-*-aout)       targ_emul=i386aout ;;
 i[3-7]86-*-linux*aout*)        targ_emul=i386linux
-                       targ_extra_emuls=elf_i386
+                       targ_extra_emuls="elf_i386 elf_iamcu"
+                       tdir_elf_iamcu=`echo ${targ_alias} | sed -e 's/aout//'`
                        tdir_elf_i386=`echo ${targ_alias} | sed -e 's/aout//'` ;;
-i[3-7]86-*-linux*oldld)        targ_emul=i386linux; targ_extra_emuls=elf_i386 ;;
+i[3-7]86-*-linux*oldld)        targ_emul=i386linux
+                       targ_extra_emuls="elf_i386 elf_iamcu" ;;
 i[3-7]86-*-linux-*)    targ_emul=elf_i386
-                       targ_extra_emuls=i386linux
+                       targ_extra_emuls="i386linux elf_iamcu"
                        targ64_extra_emuls="elf_x86_64 elf32_x86_64 elf_l1om elf_k1om"
                        targ64_extra_libpath=elf_x86_64
                        targ_extra_libpath=elf32_x86_64
                        tdir_i386linux=${targ_alias}aout ;;
 x86_64-*-linux-gnux32) targ_emul=elf32_x86_64
-                       targ_extra_emuls="elf_x86_64 elf_i386 i386linux elf_l1om elf_k1om"
-                       targ_extra_libpath="elf_i386 elf_x86_64 elf_l1om elf_k1om"
+                       targ_extra_emuls="elf_x86_64 elf_i386 elf_iamcu i386linux elf_l1om elf_k1om"
+                       targ_extra_libpath="elf_i386 elf_iamcu elf_x86_64 elf_l1om elf_k1om"
                        tdir_i386linux=`echo ${targ_alias}aout | sed -e 's/x86_64/i386/' -e 's/-linux-gnux32/-linux-gnu/'`
+                       tdir_elf_iamcu=`echo ${targ_alias} | sed -e 's/x86_64/i386/' -e 's/-linux-gnux32/-linux-gnu/'`
                        tdir_elf_i386=`echo ${targ_alias} | sed -e 's/x86_64/i386/' -e 's/-linux-gnux32/-linux-gnu/'` ;;
 x86_64-*-linux-*)      targ_emul=elf_x86_64
-                       targ_extra_emuls="elf32_x86_64 elf_i386 i386linux elf_l1om elf_k1om"
+                       targ_extra_emuls="elf32_x86_64 elf_i386 elf_iamcu i386linux elf_l1om elf_k1om"
                        targ_extra_libpath="elf_i386 elf32_x86_64 elf_l1om elf_k1om"
                        tdir_i386linux=`echo ${targ_alias}aout | sed -e 's/x86_64/i386/'`
                        tdir_elf_i386=`echo ${targ_alias} | sed -e 's/x86_64/i386/'` ;;
-i[3-7]86-*-sysv[45]*)  targ_emul=elf_i386 ;;
+i[3-7]86-*-redox*)     targ_emul=elf_i386
+                       targ_extra_emuls=elf_x86_64 ;;
+x86_64-*-redox*)       targ_emul=elf_x86_64
+                       targ_extra_emuls=elf_i386 ;;
+i[3-7]86-*-sysv[45]*)  targ_emul=elf_i386
+                       targ_extra_emuls=elf_iamcu ;;
 i[3-7]86-*-solaris2*)  targ_emul=elf_i386_sol2
-                        targ_extra_emuls="elf_i386_ldso elf_i386 elf_x86_64_sol2 elf_x86_64 elf_l1om elf_k1om"
+                        targ_extra_emuls="elf_i386_ldso elf_i386 elf_iamcu elf_x86_64_sol2 elf_x86_64 elf_l1om elf_k1om"
                        targ_extra_libpath=$targ_extra_emuls
                         ;;
 x86_64-*-solaris2*)
                        targ_emul=elf_x86_64_sol2
-                       targ_extra_emuls="elf_x86_64 elf_i386_sol2 elf_i386_ldso elf_i386 elf_l1om elf_k1om"
+                       targ_extra_emuls="elf_x86_64 elf_i386_sol2 elf_i386_ldso elf_i386 elf_iamcu elf_l1om elf_k1om"
                        targ_extra_libpath=$targ_extra_emuls
                        tdir_elf_i386=`echo ${targ_alias} | sed -e 's/x86_64/i386/'` ;;
-i[3-7]86-*-unixware)   targ_emul=elf_i386 ;;
+i[3-7]86-*-unixware)   targ_emul=elf_i386
+                       targ_extra_emuls=elf_iamcu ;;
 i[3-7]86-*-solaris*)   targ_emul=elf_i386_ldso
                         targ_extra_emuls="elf_i386"
                        targ_extra_libpath=$targ_extra_emuls
@@ -268,13 +300,20 @@ i[3-7]86-*-netbsdelf* | \
 i[3-7]86-*-netbsd*-gnu* | \
 i[3-7]86-*-knetbsd*-gnu)
                        targ_emul=elf_i386
-                       targ_extra_emuls=i386nbsd ;;
+                       targ_extra_emuls="elf_iamcu i386nbsd" ;;
 i[3-7]86-*-netbsdpe*)  targ_emul=i386pe
                        targ_extra_ofiles="deffilep.o pe-dll.o" ;;
 i[3-7]86-*-netbsd*)    targ_emul=i386nbsd
                        targ_extra_emuls=elf_i386 ;;
 x86_64-*-netbsd*)      targ_emul=elf_x86_64
-                       targ_extra_emuls="elf_i386 i386nbsd elf_l1om elf_k1om"
+                       targ_extra_emuls="elf_i386 elf_iamcu i386nbsd elf_l1om elf_k1om"
+                       tdir_elf_iamcu=`echo ${targ_alias} | \
+                           sed -e 's/x86_64/i386/'`
+                       case "${tdir_elf_iamcu}" in
+                       *-netbsdelf*)   ;;
+                       *)              tdir_elf_iamcu=`echo ${tdir_elf_iamcu} | \
+                                       sed -e 's/netbsd/netbsdelf/'`;;
+                       esac
                        tdir_elf_i386=`echo ${targ_alias} | \
                            sed -e 's/x86_64/i386/'`
                        case "${tdir_elf_i386}" in
@@ -283,34 +322,42 @@ x86_64-*-netbsd*) targ_emul=elf_x86_64
                                        sed -e 's/netbsd/netbsdelf/'`;;
                        esac ;;
 i[3-7]86-*-netware)    targ_emul=i386nw ;;
-i[3-7]86-*-elf*)       targ_emul=elf_i386 ;;
-x86_64-*-elf*)         targ_emul=elf_x86_64
-                       targ_extra_emuls="elf_i386 elf32_x86_64 elf_l1om elf_k1om"
-                       targ_extra_libpath="elf_i386 elf32_x86_64 elf_l1om elf_k1om"
+i[3-7]86-*-elfiamcu)   targ_emul=elf_iamcu
+                       targ_extra_emuls=elf_i386 ;;
+i[3-7]86-*-elf* | i[3-7]86-*-rtems*)
+                       targ_emul=elf_i386
+                       targ_extra_emuls=elf_iamcu ;;
+x86_64-*-elf* | x86_64-*-rtems* | x86_64-*-fuchsia*)
+                       targ_emul=elf_x86_64
+                       targ_extra_emuls="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"
+                       targ_extra_libpath="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"
                        tdir_elf_i386=`echo ${targ_alias} | sed -e 's/x86_64/i386/'`
                        ;;
 i[3-7]86-*-kaos*)      targ_emul=elf_i386 ;;
 i[3-7]86-*-freebsdaout* | i[3-7]86-*-freebsd[12].* | i[3-7]86-*-freebsd[12])
                        targ_emul=i386bsd ;;
 i[3-7]86-*-dragonfly*) targ_emul=elf_i386
-                       targ_extra_emuls="i386bsd" ;;
+                       targ_extra_emuls="elf_iamcu i386bsd" ;;
 x86_64-*-dragonfly*)   targ_emul=elf_x86_64
-                       targ_extra_emuls="elf_i386 elf_l1om elf_k1om" ;;
+                       targ_extra_emuls="elf_i386 elf_iamcu elf_l1om elf_k1om" ;;
 i[3-7]86-*-freebsd* | i[3-7]86-*-kfreebsd*-gnu)
                        targ_emul=elf_i386_fbsd
-                       targ_extra_emuls="elf_i386 i386bsd" ;;
+                       targ_extra_emuls="elf_i386 elf_iamcu i386bsd" ;;
 x86_64-*-freebsd* | x86_64-*-kfreebsd*-gnu)
                        targ_emul=elf_x86_64_fbsd
-                       targ_extra_emuls="elf_i386_fbsd elf_x86_64 elf_i386 elf_l1om elf_l1om_fbsd elf_k1om elf_k1om_fbsd"
+                       targ_extra_emuls="elf_i386_fbsd elf_x86_64 elf_i386 elf_iamcu elf_l1om elf_l1om_fbsd elf_k1om elf_k1om_fbsd"
                        targ_extra_libpath="elf_i386_fbsd"
                        tdir_elf_i386_fbsd=`echo ${targ_alias} \
                            | sed -e 's/x86_64/i386/'`
+                       tdir_elf_iamcu=`echo ${targ_alias} \
+                           | sed -e 's/x86_64/i386/'`
                        tdir_elf_i386=`echo ${targ_alias} \
                            | sed -e 's/x86_64/i386/'` ;;
 i[3-7]86-*-sysv*)      targ_emul=i386coff ;;
 i[3-7]86-*-ptx*)       targ_emul=i386coff ;;
 i[3-7]86-*-mach*)      targ_emul=i386mach ;;
-i[3-7]86-*-gnu*)       targ_emul=elf_i386 ;;
+i[3-7]86-*-gnu*)       targ_emul=elf_i386
+                       targ_extra_emuls=elf_iamcu ;;
 i[3-7]86-*-msdos*)     targ_emul=i386msdos; targ_extra_emuls=i386aout ;;
 i[3-7]86-*-moss*)      targ_emul=i386moss; targ_extra_emuls=i386msdos ;;
 i[3-7]86-*-winnt*)     targ_emul=i386pe ;
@@ -359,9 +406,9 @@ i960-wrs-vxworks5*) targ_emul=gld960coff ;;
 i960-wrs-vxworks*)     targ_emul=gld960 ;;
 i960-*-coff)           targ_emul=gld960coff ;;
 i960-intel-nindy)      targ_emul=gld960 ;;
-i960-*-rtems*)         targ_emul=gld960coff ;;
 i960-*-elf*)           targ_emul=elf32_i960
                        ;;
+ia16-*-elf*)           targ_emul=elf_i386 targ_extra_emuls=i386msdos ;;
 ia64-*-elf*)           targ_emul=elf64_ia64 ;;
 ia64-*-freebsd* | ia64-*-kfreebsd*-gnu)
                        targ_emul=elf64_ia64_fbsd
@@ -400,7 +447,8 @@ m68k-hp-bsd*)               targ_emul=hp300bsd ;;
 m68*-motorola-sysv*)   targ_emul=delta68 ;;
 m68*-*-aout)           targ_emul=m68kaout ;;
 m68*-*-coff)           targ_emul=m68kcoff ;;
-m68*-*-elf)            targ_emul=m68kelf ;;
+m68*-*-elf | m68*-*-rtems*)
+                       targ_emul=m68kelf ;;
 m68*-*-hpux*)          targ_emul=hp3hpux ;;
 m68k-*-linux*aout*)    targ_emul=m68klinux
                        targ_extra_emuls=m68kelf
@@ -418,9 +466,6 @@ m68*-*-netbsdaout* | m68*-*-netbsd*)
                        targ_emul=m68knbsd
                        targ_extra_emuls="m68kelfnbsd m68k4knbsd" ;;
 m68*-*-psos*)          targ_emul=m68kpsos ;;
-m68*-*-rtemscoff*)     targ_emul=m68kcoff ;;
-m68*-*-rtems*)         targ_emul=m68kelf
-                       ;;
 m8*-*-*)               targ_emul=m88kbcs
                        ;;
 mcore-*-pe)            targ_emul=mcorepe ;
@@ -457,7 +502,8 @@ mips*vr4100el-*-elf*)       targ_emul=elf32l4300 ;;
 mips*vr4100-*-elf*)    targ_emul=elf32b4300 ;;
 mips*vr5000el-*-elf*)  targ_emul=elf32l4300 ;;
 mips*vr5000-*-elf*)    targ_emul=elf32b4300 ;;
-mips*el-sde-elf*)      targ_emul=elf32ltsmip
+mips*el-sde-elf* | mips*el-mti-elf* | mips*el-img-elf*)
+                       targ_emul=elf32ltsmip
                        targ_extra_emuls="elf32btsmip elf32ltsmipn32 elf64ltsmip elf32btsmipn32 elf64btsmip" ;;
 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
                        targ_emul=elf32btsmip
@@ -469,8 +515,8 @@ mips*el-ps2-elf*)   targ_emul=elf32lr5900
                        targ_extra_emuls="elf32lr5900n32"
                        targ_extra_libpath=$targ_extra_emuls ;;
 mips*el-*-elf*)                targ_emul=elf32elmip ;;
-mips*-*-elf*)          targ_emul=elf32ebmip ;;
-mips*-*-rtems*)                targ_emul=elf32ebmip ;;
+mips*-*-elf* | mips*-*-rtems*)
+                       targ_emul=elf32ebmip ;;
 mips*el-*-vxworks*)    targ_emul=elf32elmipvxworks
                        targ_extra_emuls="elf32ebmipvxworks" ;;
 mips*-*-vxworks*)      targ_emul=elf32ebmipvxworks
@@ -509,14 +555,13 @@ mips*-*-sysv4*)         targ_emul=elf32btsmip
 mmix-*-*)              targ_emul=mmo
                        targ_extra_emuls=elf64mmix
                        ;;
-am34-*-linux*)         targ_emul=elf32am33lin ;;
 am33_2.0-*-linux*)     targ_emul=elf32am33lin ;;
 mn10200-*-*)           targ_emul=mn10200 ;;
 mn10300-*-*)           targ_emul=mn10300
                        ;;
 mt-*elf)                targ_emul=elf32mt
                        ;;
-msp430-*-*)             targ_emul=msp430
+msp430-*-*)             targ_emul=msp430elf
                        targ_extra_emuls="msp430X"
                        ;;
 nds32*le-*-elf*)       targ_emul=nds32elf
@@ -532,13 +577,13 @@ nios2*-*-*)               targ_emul=nios2elf ;;
 ns32k-pc532-mach* | ns32k-pc532-ux*)  targ_emul=pc532macha ;;
 ns32k-*-netbsd* | ns32k-pc532-lites*) targ_emul=ns32knbsd
                        ;;
-or1k-*-elf | or1knd-*-elf)             targ_emul=elf32or1k ;;
+or1k-*-elf | or1knd-*-elf | or1k-*-rtems* | or1knd-*-rtems*)
+                       targ_emul=elf32or1k ;;
 or1k-*-linux* | or1knd-*-linux*)       targ_emul=elf32or1k_linux ;;
-or1k-*-rtems* | or1knd-*-rtems*)       targ_emul=elf32or1k
-                       ;;
 pdp11-*-*)             targ_emul=pdp11
                        ;;
-pjl*-*-*)              targ_emul=pjlelf ; targ_extra_emuls="elf_i386" ;;
+pjl*-*-*)              targ_emul=pjlelf
+                       targ_extra_emuls="elf_i386 elf_iamcu" ;;
 pj*-*-*)               targ_emul=pjelf
                        ;;
 powerpc-*-freebsd* | powerpc-*-kfreebsd*-gnu)
@@ -558,42 +603,80 @@ powerpc-*-vxworks*)
                        targ_extra_emuls="elf32ppc elf32ppclinux elf32ppcsim" ;;
 powerpc*-*-elf* | powerpc*-*-eabi* | powerpc*-*-sysv* \
   | powerpc*-*-linux* | powerpc*-*-netbsd* | powerpc*-*-openbsd* \
+  | powerpc*-*-rtems* \
   | powerpc*-*-solaris* | powerpc*-*-kaos* | powerpc*-*-vxworks*)
                        case "${targ}" in
-                       *64*)   targ_emul=elf64ppc
-                               targ_extra_emuls="elf32ppc elf32ppclinux elf32ppcsim"
-                               targ_extra_libpath="elf32ppc elf32ppclinux"
-                               td=tdir_elf32ppc
-                               case "${targ}" in
-                               powerpc*le-*) td=tdir_elf32lppc;;
-                               esac
-                               eval ${td}=`echo "${targ_alias}" | sed -e 's/64//'`
-                               eval ${td}linux=\$${td}
-                               eval ${td}sim=\$${td}
-                               ;;
-                       *linux*) targ_emul=elf32ppclinux
-                               targ_extra_emuls="elf32ppc elf32ppcsim"
-                               targ_extra_libpath=elf32ppc
-                               targ64_extra_emuls=elf64ppc
-                               targ64_extra_libpath=elf64ppc
-                               ;;
-                       *)      targ_emul=elf32ppc
-                               targ_extra_emuls="elf32ppclinux elf32ppcsim"
-                               targ_extra_libpath=elf32ppclinux
-                               targ64_extra_emuls=elf64ppc
-                               targ64_extra_libpath=elf64ppc
-                               ;;
+                       powerpc64*)
+                           targ_emul=elf64ppc
+                           targ_extra_emuls="elf32ppc elf32ppclinux elf32ppcsim"
+                           targ_extra_libpath="elf32ppc elf32ppclinux" ;;
+                       *linux*)
+                           targ_emul=elf32ppclinux
+                           targ_extra_emuls="elf32ppc elf32ppcsim"
+                           targ_extra_libpath=elf32ppc
+                           targ64_extra_emuls=elf64ppc
+                           targ64_extra_libpath=elf64ppc ;;
+                       *)
+                           targ_emul=elf32ppc
+                           targ_extra_emuls="elf32ppclinux elf32ppcsim"
+                           targ_extra_libpath=elf32ppclinux
+                           targ64_extra_emuls=elf64ppc
+                           targ64_extra_libpath=elf64ppc ;;
                        esac
+                       td=tdir_elf32ppc
+                       td64=tdir_elf64ppc
+                       s=s/ppc/lppc/g
                        case "${targ}" in
-                       powerpc*le-*)
-                               for z in targ_emul targ_extra_emuls targ_extra_libpath targ64_extra_emuls targ64_extra_libpath
-                               do
-                                 eval ${z}=\"`eval echo \\$${z} | sed -e 's/ppc/lppc/g'`\"
-                               done
-                       esac ;;
+                       powerpcle-* | powerpc64le-*)
+                           for z in td td64 targ_emul targ_extra_emuls \
+                                        targ_extra_libpath targ64_extra_emuls \
+                                        targ64_extra_libpath
+                           do
+                               eval ${z}=\"\`echo \$${z} \| sed -e $s\`\"
+                           done
+                           s=s/lppc/ppc/g ;;
+                       esac
+                       # Why oh why did we set tooldir based on target_alias
+                       # rather than on target?
+                       eval tdir_${targ_emul}="${targ_alias}"
+                       cpu=`echo "${targ_alias}" | sed -e 's/-.*//'`
+                       rest=`echo "${targ_alias}" | sed -e 's/^[^-]*//'`
+                       le=le
+                       case "${cpu}" in
+                       *little) le=little
+                       esac
+                       ta32=`echo "${cpu}" | sed -e s/64//`"${rest}"
+                       ta64=`echo "${cpu}" | sed -e 's/64//;s/$/64/;s/'${le}'64$/64'${le}'/;s/be64$/64be/'`"${rest}"
+                       eval test -n \"\$${td}\" || eval ${td}="${ta32}"
+                       eval test -n \"\$${td}linux\" || eval ${td}linux="${ta32}"
+                       eval test -n \"\$${td}sim\" || eval ${td}sim="${ta32}"
+                       eval test -n \"\$${td64}\" || eval ${td64}="${ta64}"
+                       # Now provide the other endian
+                       for z in targ_extra_emuls targ_extra_libpath
+                       do
+                           eval ${z}=\"\$${z} \`echo ${targ_emul} \$${z} \| sed -e $s\`\"
+                       done
+                       for z in targ64_extra_emuls targ64_extra_libpath
+                       do
+                           eval ${z}=\"\$${z} \`echo \$${z} \| sed -e $s\`\"
+                       done
+                       td=`echo "${td}" | sed -e $s`
+                       td64=`echo "${td64}" | sed -e $s`
+                       case "${targ}" in
+                       powerpcle-* | powerpc64le-*)
+                           cpu=`echo "${cpu}" | sed -e s/${le}\$//` ;;
+                       *)
+                           cpu=`echo "${cpu}" | sed -e s/be\$//`${le} ;;
+                       esac
+                       ta32=`echo "${cpu}" | sed -e s/64//`"${rest}"
+                       ta64=`echo "${cpu}" | sed -e 's/64//;s/$/64/;s/'${le}'64$/64'${le}/`"${rest}"
+                       eval test -n \"\$${td}\" || eval ${td}="${ta32}"
+                       eval test -n \"\$${td}linux\" || eval ${td}linux="${ta32}"
+                       eval test -n \"\$${td}sim\" || eval ${td}sim="${ta32}"
+                       eval test -n \"\$${td64}\" || eval ${td64}="${ta64}"
+                       ;;
 powerpc-*-nto*)         targ_emul=elf32ppcnto ;;
 powerpcle-*-nto*)       targ_emul=elf32lppcnto ;;
-powerpc-*-rtems*)      targ_emul=elf32ppc ;;
 powerpc-*-macos*)      targ_emul=ppcmacos ;;
 powerpc-*-netware*)    targ_emul=ppcnw ;;
 powerpcle-*-pe | powerpcle-*-winnt* | powerpcle-*-cygwin*)
@@ -604,6 +687,13 @@ powerpc-*-aix*)            targ_emul=aixppc ;;
 powerpc-*-beos*)       targ_emul=aixppc ;;
 powerpc-*-windiss*)    targ_emul=elf32ppcwindiss ;;
 powerpc-*-lynxos*)     targ_emul=ppclynx ;;
+pru*-*-*)              targ_emul=pruelf ;;
+riscv32*-*-*)          targ_emul=elf32lriscv
+                       targ_extra_emuls="elf64lriscv"
+                       targ_extra_libpath=$targ_extra_emuls ;;
+riscv64*-*-*)          targ_emul=elf64lriscv
+                       targ_extra_emuls="elf32lriscv"
+                       targ_extra_libpath=$targ_extra_emuls ;;
 rs6000-*-aix[5-9]*)    targ_emul=aix5rs6 ;;
 rs6000-*-aix*)         targ_emul=aixrs6
                        ;;
@@ -623,15 +713,17 @@ s390-*-linux*)          targ_emul=elf_s390
 score-*-elf)            targ_emul=score7_elf
                        targ_extra_emuls=score3_elf ;;
 sh-*-linux*)           targ_emul=shlelf_linux
-                       targ_extra_emuls=shelf_linux
+                       targ_extra_emuls="shelf_linux shlelf_fd shelf_fd"
                        targ_extra_libpath=shelf_linux ;;
 sh64eb-*-linux*)       targ_emul=shelf32_linux
                        targ_extra_emuls="shlelf32_linux" ;;
 sh64-*-linux*)         targ_emul=shlelf32_linux
                        targ_extra_emuls="shelf32_linux"
                        targ_extra_libpath=shelf32_linux ;;
-sh*eb-*-linux*)                targ_emul=shelf_linux ;;
-sh*-*-linux*)          targ_emul=shlelf_linux ;;
+sh*eb-*-linux*)                targ_emul=shelf_linux
+                       targ_extra_emuls="shelf_fd" ;;
+sh*-*-linux*)          targ_emul=shlelf_linux
+                       targ_extra_emuls="shlelf_fd" ;;
 sh5le-*-netbsd*)       targ_emul=shlelf32_nbsd
                        targ_extra_emuls="shelf32_nbsd shelf64_nbsd shlelf64_nbsd shelf_nbsd shlelf_nbsd" ;;
 sh5-*-netbsd*)         targ_emul=shelf32_nbsd
@@ -648,7 +740,6 @@ sh*-*-symbianelf*)  targ_emul=shlsymbian ;;
 shle*-*-elf* | sh[1234]*le*-*-elf | shle*-*-kaos*)
                        targ_emul=shlelf
                        targ_extra_emuls="shelf shl sh" ;;
-sh-*-rtemscoff*)       targ_emul=sh; targ_extra_emuls=shl ;;
 sh-*-elf* | sh[1234]*-*-elf | sh-*-rtems* | sh-*-kaos*)
                        targ_emul=shelf
                        targ_extra_emuls="shlelf sh shl" ;;
@@ -669,15 +760,16 @@ sh64-*-elf*)              targ_emul=shelf
                        targ_extra_emuls="shlelf shelf32 shlelf32 shelf64 shlelf64"
                        targ_extra_libpath=$targ_extra_emuls ;;
 sparc64-*-aout*)       targ_emul=sparcaout ;;
-sparc64-*-elf*)                targ_emul=elf64_sparc ;;
-sparc64-*-rtems*)      targ_emul=elf64_sparc ;;
+sparc64-*-elf* | sparc64-*-rtems*)
+                       targ_emul=elf64_sparc ;;
 sparc-sun-sunos4*)     targ_emul=sun4 ;;
 sparclite*-*-elf)      targ_emul=elf32_sparc ;;
 sparclite*-*-coff)     targ_emul=coff_sparc ;;
 sparclite*-fujitsu-*)  targ_emul=sparcaout ;;
 sparc*-*-aout)         targ_emul=sparcaout ;;
 sparc*-*-coff)         targ_emul=coff_sparc ;;
-sparc*-*-elf)          targ_emul=elf32_sparc ;;
+sparc*-*-elf | sparc-*-rtems*)
+                       targ_emul=elf32_sparc ;;
 sparc*-*-sysv4*)       targ_emul=elf32_sparc ;;
 sparc*-*-vxworks*)     targ_emul=elf32_sparc_vxworks ;;
 sparc64-*-freebsd* | sparcv9-*-freebsd* | sparc64-*-kfreebsd*-gnu | sparcv9-*-kfreebsd*-gnu)
@@ -720,8 +812,6 @@ sparcv9-*-solaris2* | sparc64-*-solaris2*)
                        tdir_elf32_sparc=`echo ${targ_alias} | sed -e 's/64//'` ;;
 sparc*-*-solaris2*)    targ_emul=elf32_sparc ;;
 sparc*-wrs-vxworks*)   targ_emul=sparcaout ;;
-sparc-*-rtems*)                targ_emul=elf32_sparc
-                       ;;
 spu-*-elf*)            targ_emul=elf32_spu ;;
 tic30-*-*aout*)                targ_emul=tic30aout ;;
 tic30-*-*coff*)                targ_emul=tic30coff ;;
@@ -744,6 +834,8 @@ tilegxbe-*-*)               targ_emul=elf64tilegx_be
                        targ_extra_emuls="elf64tilegx elf32tilegx elf32tilegx_be"
                        targ_extra_libpath=$targ_extra_emuls ;;
 tilepro-*-*)           targ_emul=elf32tilepro ;;
+ft32-*-*)              targ_emul=elf32ft32
+                       ;;
 v850*-*-*)             targ_emul=v850_rh850
                        targ_extra_emuls=v850
                        ;;
@@ -838,3 +930,28 @@ alpha*-*-*)
   ;;
 
 esac
+
+case "${target}" in
+frv-*-* | hppa*-*-* | ia64-*-* | mips*-*-*)
+  # Don't enable -z relro by default since many relro tests fail on these
+  # targets:
+  # FAIL: strip -z relro (relro1)
+  # FAIL: strip -z relro -shared (relro1)
+  # FAIL: objcopy -z relro (relro1)
+  # FAIL: objcopy -z relro -shared (relro1)
+  # FAIL: objcopy -z relro (tdata1)
+  # FAIL: objcopy -shared -z relro (tdata1)
+  # FAIL: objcopy -z relro (tdata2)
+  # FAIL: objcopy -shared -z relro (tdata2)
+  # FAIL: objcopy -z relro (tdata3)
+  # FAIL: objcopy -shared -z relro (tdata3)
+  # FAIL: objcopy -shared -z relro (tbss1)
+  # FAIL: objcopy -shared -z relro (tbss2)
+  # FAIL: objcopy -shared -z relro (tbss3)
+  ;;
+*-*-linux*)
+  if test ${ac_default_ld_z_relro} = unset; then
+    ac_default_ld_z_relro=1
+  fi
+  ;;
+esac
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