OSDN Git Service

* doc/install.texi: Document that dejagnu 1.4.4 is required.
[pf3gnuchains/gcc-fork.git] / gcc / config.gcc
index 0608ae2..67efab5 100644 (file)
@@ -30,7 +30,7 @@
 #
 #  with_*              Various variables as set by configure.
 #
-#  enable_threads_flag Either the name, yes or no depending on whether
+#  enable_threads      Either the name, yes or no depending on whether
 #                      threads support was requested.
 #
 #  default_use_cxa_atexit
@@ -167,7 +167,6 @@ thread_file=
 # configure entries modify them.
 gas="$gas_flag"
 gnu_ld="$gnu_ld_flag"
-enable_threads=$enable_threads_flag
 default_use_cxa_atexit=no
 target_gtfiles=
 need_64bit_hwint=
@@ -332,9 +331,13 @@ esac
 # Common parts for widely ported systems.
 case ${target} in
 *-*-darwin*)
+  case ${target} in
+    *-darwin[0-6]*) ;;
+    *) tm_file="${tm_file} darwin7.h" ;;
+  esac
   tm_file="${tm_file} darwin.h"
   tm_p_file="${tm_p_file} darwin-protos.h"
-  tmake_file="t-darwin"
+  tmake_file="t-darwin t-slibgcc-darwin"
   target_gtfiles="\$(srcdir)/config/darwin.c"
   c_target_objs="darwin-c.o"
   cxx_target_objs="darwin-c.o"
@@ -431,6 +434,7 @@ case ${target} in
   case ${enable_threads} in
     "" | yes | posix) thread_file='posix' ;;
   esac
+  tmake_file="t-slibgcc-elf-ver t-linux"
   ;;
 *-*-gnu*)
   # On the Hurd, the setup is just about the same on
@@ -543,7 +547,7 @@ alpha*-*-unicosmk*)
 alpha*-*-linux*)
        tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
        target_cpu_default="MASK_GAS"
-       tmake_file="t-slibgcc-elf-ver t-linux alpha/t-crtfm alpha/t-alpha alpha/t-ieee"
+       tmake_file="${tmake_file} alpha/t-crtfm alpha/t-alpha alpha/t-ieee"
        ;;
 alpha*-*-gnu*)
        target_cpu_default="MASK_GAS"
@@ -647,7 +651,7 @@ arm*-*-netbsd*)
        ;;
 arm*-*-linux*)                 # ARM GNU/Linux with ELF
        tm_file="dbxelf.h elfos.h linux.h arm/elf.h  arm/linux-gas.h arm/linux-elf.h arm/aout.h arm/arm.h"
-       tmake_file="t-slibgcc-elf-ver t-linux arm/t-linux"
+       tmake_file="${tmake_file} arm/t-linux"
        extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
        gnu_ld=yes
        ;;
@@ -708,6 +712,7 @@ cris-*-elf | cris-*-none)
        ;;
 cris-*-linux*)
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file} linux.h cris/linux.h"
+       # We need to avoid using t-linux, so override default tmake_file
        tmake_file="cris/t-cris t-slibgcc-elf-ver cris/t-linux"
        ;;
 fr30-*-elf)
@@ -724,7 +729,7 @@ frv-*-elf)
 frv-*-*linux*)
        tm_file="dbxelf.h elfos.h svr4.h ${tm_file} \
                 linux.h frv/linux.h frv/frv-abi.h"
-       tmake_file="t-slibgcc-elf-ver t-linux frv/t-frv frv/t-linux"
+       tmake_file="${tmake_file} frv/t-frv frv/t-linux"
        ;;
 h8300-*-rtems*)
        tmake_file="h8300/t-h8300 t-rtems"
@@ -743,7 +748,7 @@ hppa*64*-*-linux* | parisc*64*-*-linux*)
        target_cpu_default="(MASK_PA_11 | MASK_PA_20 | MASK_BIG_SWITCH)"
        tm_file="pa/pa64-start.h ${tm_file} dbxelf.h elfos.h svr4.h linux.h \
                 pa/pa-linux.h pa/pa64-regs.h pa/pa-64.h pa/pa64-linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux pa/t-linux64"
+       tmake_file="${tmake_file} pa/t-linux64"
        gas=yes gnu_ld=yes
        need_64bit_hwint=yes
        ;;
@@ -751,7 +756,7 @@ hppa*-*-linux* | parisc*-*-linux*)
        target_cpu_default="(MASK_PA_11 | MASK_NO_SPACE_REGS | MASK_BIG_SWITCH)"
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h pa/pa-linux.h \
                 pa/pa32-regs.h pa/pa32-linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux pa/t-linux"
+       tmake_file="${tmake_file} pa/t-linux"
        # if not configured with --enable-sjlj-exceptions, bump the
        # libgcc version number
        if test x$sjlj != x1; then
@@ -788,13 +793,15 @@ hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
        target_cpu_default="(MASK_PA_11 | MASK_BIG_SWITCH)"
        tm_file="${tm_file} pa/pa32-regs.h dbxelf.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
        tmake_file="pa/t-pa pa/t-pa-hpux pa/t-hpux-shlib"
-       if test x$enable_threads = x; then
-           enable_threads=$have_pthread_h
-       fi
-       case x${enable_threads} in
-       xyes | xdce)
-               tmake_file="${tmake_file} pa/t-dce-thr"
-               ;;
+       case ${enable_threads} in
+         "")
+           if test x$have_pthread_h = xyes ; then
+             tmake_file="${tmake_file} pa/t-dce-thr"
+           fi
+           ;;
+         yes | dce)
+           tmake_file="${tmake_file} pa/t-dce-thr"
+           ;;
        esac
        use_collect2=yes
        use_fixproto=yes
@@ -802,13 +809,15 @@ hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
 hppa1.0-*-hpux10*)
        tm_file="${tm_file} pa/pa32-regs.h dbxelf.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
        tmake_file="pa/t-pa pa/t-pa-hpux pa/t-hpux-shlib"
-       if test x$enable_threads = x; then
-           enable_threads=$have_pthread_h
-       fi
-       case x${enable_threads} in
-       xyes | xdce)
-               tmake_file="${tmake_file} pa/t-dce-thr"
-               ;;
+       case ${enable_threads} in
+         "")
+           if test x$have_pthread_h = xyes ; then
+             tmake_file="${tmake_file} pa/t-dce-thr"
+           fi
+           ;;
+         yes | dce)
+           tmake_file="${tmake_file} pa/t-dce-thr"
+           ;;
        esac
        use_collect2=yes
        use_fixproto=yes
@@ -921,12 +930,12 @@ i[34567]86-*-linux*)      # Intel 80386's running GNU/Linux
                        # with ELF format using glibc 2
                        # aka GNU/Linux C library 6
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h i386/linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux i386/t-crtstuff"
+       tmake_file="${tmake_file} i386/t-crtstuff"
        ;;
 x86_64-*-linux*)
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h \
                 i386/x86-64.h i386/linux64.h"
-       tmake_file="t-slibgcc-elf-ver t-linux i386/t-linux64"
+       tmake_file="${tmake_file} i386/t-linux64"
        ;;
 i[34567]86-*-kfreebsd*-gnu) # must be before i[34567]86-*-gnu*
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h linux.h i386/linux.h kfreebsdgnu.h i386/kfreebsdgnu.h"
@@ -982,20 +991,17 @@ i[34567]86-*-solaris2*)
        else
                tmake_file="$tmake_file t-slibgcc-sld"
        fi
+       case ${target} in
+       *-*-solaris2.[789] | *-*-solaris2.1[0-9])
+               tm_file="$tm_file tm-dwarf2.h"
+               ;;
+       esac
        extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
-       if test x${enable_threads} = x; then
-           enable_threads=$have_pthread_h
-           if test x${enable_threads} = x; then
-               enable_threads=$have_thread_h
-           fi
-       fi
-       if test x${enable_threads} = xyes; then
-           if test x${have_pthread_h} = xyes; then
-               thread_file='posix'
-           else
-               thread_file='solaris'
-           fi
-       fi
+       case ${enable_threads}:${have_pthread_h}:${have_thread_h} in
+         no:*:*) ;;
+         *:yes:* ) thread_file=posix ;;
+         yes:*:* | *:*:yes ) thread_file=solaris ;;
+       esac
        ;;
 i[34567]86-*-sysv5*)           # Intel x86 on System V Release 5
        tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h i386/sysv4.h i386/sysv5.h"
@@ -1106,7 +1112,7 @@ ia64*-*-freebsd*)
        ;;
 ia64*-*-linux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h ia64/sysv4.h ia64/linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux ia64/t-ia64 ia64/t-glibc"
+       tmake_file="${tmake_file} ia64/t-ia64 ia64/t-glibc"
        target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
        extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
        if test x"$use_libunwind_exceptions" = xyes; then
@@ -1153,6 +1159,7 @@ m32rle-*-elf*)
 m32r-*-linux*)
        tm_file="dbxelf.h elfos.h svr4.h linux.h ${tm_file} m32r/linux.h"
        extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
+       # We override the tmake_file for linux -- why?
        tmake_file="m32r/t-linux"
        gnu_ld=yes
        use_fixproto=yes
@@ -1163,6 +1170,7 @@ m32r-*-linux*)
 m32rle-*-linux*)
        tm_file="dbxelf.h elfos.h svr4.h linux.h m32r/little.h ${tm_file} m32r/linux.h"
        extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
+       # We override the tmake_file for linux -- why?
        tmake_file="m32r/t-linux"
        gnu_ld=yes
        use_fixproto=yes
@@ -1235,7 +1243,6 @@ m68k-*-linux*)            # Motorola m68k's running GNU/Linux
                                # aka the GNU/Linux C library 6.
        tm_file="m68k/m68k.h dbxelf.h elfos.h svr4.h linux.h m68k/linux.h"
        tm_defines="MOTOROLA USE_GAS"
-       tmake_file="t-slibgcc-elf-ver t-linux"
        # if not configured with --enable-sjlj-exceptions, bump the
        # libgcc version number
        if test x$sjlj != x1; then
@@ -1332,7 +1339,7 @@ mips*-*-netbsd*)                  # NetBSD/mips, either endian.
        ;;
 mips64*-*-linux*)
        tm_file="dbxelf.h elfos.h svr4.h linux.h ${tm_file} mips/linux.h mips/linux64.h"
-       tmake_file="t-slibgcc-elf-ver t-linux mips/t-linux64"
+       tmake_file="${tmake_file} mips/t-linux64"
 
        # This default ABI is a partial lie: t-linux64 overrides the
        # DRIVER_SELF_SPEC that sets the default abi, in the spec file
@@ -1353,7 +1360,6 @@ mips*-*-linux*)                           # Linux MIPS, either endian.
                tm_defines="MIPS_ISA_DEFAULT=32"
                 ;;
         esac
-       tmake_file="t-slibgcc-elf-ver t-linux"
        ;;
 mips*-*-openbsd*)
        tm_defines="OBSD_HAS_DECLARE_FUNCTION_NAME OBSD_HAS_DECLARE_OBJECT OBSD_HAS_CORRECT_SPECS"
@@ -1412,14 +1418,12 @@ mips64-*-elf* | mips64el-*-elf*)
        ;;
 mips64vr-*-elf* | mips64vrel-*-elf*)
         tm_file="mips/vr.h ${tm_file} mips/elf64.h"
-        tm_defines="MIPS_ABI_DEFAULT=ABI_O64 MIPS_MARCH_CONTROLS_SOFT_FLOAT=1"
         tmake_file=mips/t-vr
        use_fixproto=yes
         ;;
 mips64orion-*-elf* | mips64orionel-*-elf*)
        tm_file="${tm_file} mips/elforion.h mips/elf64.h"
        tmake_file=mips/t-elf
-       tmake_file=mips/t-elf
        target_cpu_default="MASK_64BIT|MASK_FLOAT64|MASK_GAS"
        tm_defines="MIPS_ISA_DEFAULT=3 MIPS_ABI_DEFAULT=ABI_O64"
        use_fixproto=yes
@@ -1490,7 +1494,7 @@ powerpc64-*-linux*)
        x|xpowerpc64|xdefault64) tm_file="${tm_file} rs6000/default64.h";;
        esac
        tm_file="${tm_file} rs6000/linux64.h"
-       tmake_file="rs6000/t-fprules t-slibgcc-elf-ver t-linux rs6000/t-ppccomm rs6000/t-linux64"
+       tmake_file="rs6000/t-fprules ${tmake_file} rs6000/t-ppccomm rs6000/t-linux64"
        ;;
 powerpc64-*-gnu*)
        tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux64.h rs6000/gnu.h"
@@ -1504,7 +1508,7 @@ powerpc-*-beos*)
        ;;
 powerpc-*-darwin*)
        tm_file="${tm_file} rs6000/darwin.h"
-       tmake_file="t-darwin t-slibgcc-darwin rs6000/t-darwin"
+       tmake_file="${tmake_file} rs6000/t-darwin"
        extra_headers=altivec.h
        ;;
 powerpc*-*-freebsd*)
@@ -1552,19 +1556,19 @@ powerpc-*-eabi*)
        ;;
 powerpc-*-rtems*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/rtems.h rtems.h"
-       tmake_file="rs6000/t-fprules t-rtems rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-rtems t-rtems rs6000/t-ppccomm"
        ;;
 powerpc-*-linux*altivec*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxaltivec.h"
-       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-linux rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
        ;;
 powerpc-*-linux*spe*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxspe.h"
-       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-linux rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
        ;;
 powerpc-*-linux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h"
-       tmake_file="rs6000/t-fprules rs6000/t-ppcos t-slibgcc-elf-ver t-linux rs6000/t-ppccomm"
+       tmake_file="rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
        ;;
 powerpc-*-gnu-gnualtivec*)
        tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxaltivec.h rs6000/gnu.h"
@@ -1656,7 +1660,7 @@ rs6000-*-lynxos*)
        ;;
 s390-*-linux*)
        tm_file="s390/s390.h dbxelf.h elfos.h svr4.h linux.h s390/linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux s390/t-crtstuff"
+       tmake_file="${tmake_file} s390/t-crtstuff"
        ;;
 s390x-*-linux*)
        tm_file="s390/s390x.h s390/s390.h dbxelf.h elfos.h svr4.h linux.h s390/linux.h"
@@ -1664,7 +1668,7 @@ s390x-*-linux*)
        md_file=s390/s390.md
        extra_modes=s390/s390-modes.def
        out_file=s390/s390.c
-       tmake_file="t-slibgcc-elf-ver t-linux s390/t-crtstuff s390/t-linux64"
+       tmake_file="${tmake_file} s390/t-crtstuff s390/t-linux64"
        ;;
 s390x-ibm-tpf*)
        tm_file="s390/s390x.h s390/s390.h dbxelf.h elfos.h svr4.h s390/tpf.h"
@@ -1705,16 +1709,16 @@ sh-*-elf* | sh[2346l]*-*-elf* | sh*-*-kaos*)
        esac
        use_fixproto=yes
        ;;
-sh-*-rtemself*)
-       tmake_file="sh/t-sh sh/t-elf t-rtems"
-       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sh/elf.h sh/embed-elf.h sh/rtemself.h rtems.h"
-       ;;
-sh-*-rtems*)
+sh-*-rtemscoff*)
        tmake_file="sh/t-sh t-rtems"
        tm_file="${tm_file} dbxcoff.h sh/coff.h sh/rtems.h rtems.h"
        ;;
+sh-*-rtems*)
+       tmake_file="sh/t-sh sh/t-elf t-rtems"
+       tm_file="${tm_file} dbxelf.h elfos.h svr4.h sh/elf.h sh/embed-elf.h sh/rtemself.h rtems.h"
+       ;;
 sh-*-linux* | sh[2346lbe]*-*-linux*)
-       tmake_file="sh/t-sh sh/t-elf t-slibgcc-elf-ver t-linux"
+       tmake_file="sh/t-sh sh/t-elf ${tmake_file}"
        case ${target} in
        sh*be-*-* | sh*eb-*-*) ;;
        *)
@@ -1784,10 +1788,6 @@ sh-*-*)
        tm_file="${tm_file} dbxcoff.h sh/coff.h"
        use_fixproto=yes
        ;;
-sparc-tti-*)
-       tm_file="${tm_file} sparc/pbd.h"
-       use_fixproto=yes
-       ;;
 sparc-*-netbsdelf*)
        tm_file="${tm_file} elfos.h svr4.h sparc/sysv4.h netbsd.h netbsd-elf.h sparc/netbsd-elf.h"
        ;;
@@ -1812,7 +1812,7 @@ sparc-*-elf*)
        ;;
 sparc-*-linux*)                # SPARC's running GNU/Linux, libc6
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux sparc/t-crtfm"
+       tmake_file="${tmake_file} sparc/t-crtfm"
        ;;
 sparc-*-rtems*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/elf.h sparc/rtemself.h rtems.h"
@@ -1820,7 +1820,7 @@ sparc-*-rtems*)
        extra_parts="crti.o crtn.o crtbegin.o crtend.o"
        ;;
 sparc64-*-solaris2* | sparcv9-*-solaris2*)
-       tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/sol2-64.h sparc/sol2-bi.h"
+       tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sol2.h sparc/sol2.h sparc/sol2-64.h sparc/sol2-bi.h tm-dwarf2.h"
        if test x$gnu_ld = xyes; then
                tm_file="${tm_file} sparc/sol2-gld.h sparc/sol2-gld-bi.h"
        fi
@@ -1834,19 +1834,11 @@ sparc64-*-solaris2* | sparcv9-*-solaris2*)
                tmake_file="$tmake_file t-slibgcc-sld"
        fi
        extra_parts="crt1.o crti.o crtn.o gcrt1.o crtbegin.o crtend.o"
-       if test x${enable_threads} = x ; then
-           enable_threads=$have_pthread_h
-           if test x${enable_threads} = x ; then
-               enable_threads=$have_thread_h
-           fi
-       fi
-       if test x${enable_threads} = xyes ; then
-           if test x${have_pthread_h} = xyes ; then
-               thread_file='posix'
-           else
-               thread_file='solaris'
-           fi
-       fi
+       case ${enable_threads}:${have_pthread_h}:${have_thread_h} in
+         no:*:*) ;;
+         *:yes:* ) thread_file=posix ;;
+         yes:*:* | *:*:yes ) thread_file=solaris ;;
+       esac
        need_64bit_hwint=yes
        ;;
 sparc-*-solaris2*)
@@ -1867,7 +1859,7 @@ sparc-*-solaris2*)
                fi
                ;;
        *-*-solaris2.[789] | *-*-solaris2.1[0-9])
-               tm_file="sparc/biarch64.h ${tm_file} sparc/sol2-bi.h"
+               tm_file="sparc/biarch64.h ${tm_file} sparc/sol2-bi.h tm-dwarf2.h"
                if test x$gnu_ld = xyes; then
                        tm_file="${tm_file} sparc/sol2-gld-bi.h"
                fi
@@ -1879,19 +1871,11 @@ sparc-*-solaris2*)
                ;;
        esac
        extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
-       if test x${enable_threads} = x; then
-           enable_threads=$have_pthread_h
-           if test x${enable_threads} = x; then
-               enable_threads=$have_thread_h
-           fi
-       fi
-       if test x${enable_threads} = xyes; then
-           if test x${have_pthread_h} = xyes; then
-               thread_file='posix'
-           else
-               thread_file='solaris'
-           fi
-       fi
+       case ${enable_threads}:${have_pthread_h}:${have_thread_h} in
+         no:*:*) ;;
+         *:yes:* ) thread_file=posix ;;
+         yes:*:* | *:*:yes ) thread_file=solaris ;;
+       esac
        ;;
 sparc-*-sysv4*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sysv4-only.h"
@@ -1936,7 +1920,7 @@ sparc64-*-freebsd*|ultrasparc-*-freebsd*)
        need_64bit_hwint=yes
        ;;
 sparc64-*-linux*)              # 64-bit SPARC's running GNU/Linux
-       tmake_file="t-slibgcc-elf-ver t-linux sparc/t-linux64 sparc/t-crtfm"
+       tmake_file="${tmake_file} sparc/t-linux64 sparc/t-crtfm"
        tm_file="sparc/biarch64.h ${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/linux64.h"
        ;;
 sparc64-*-netbsd*)
@@ -2071,11 +2055,11 @@ xtensa-*-elf*)
        ;;
 xtensa-*-linux*)
        tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h xtensa/linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux xtensa/t-xtensa xtensa/t-linux"
+       tmake_file="${tmake_file} xtensa/t-xtensa xtensa/t-linux"
        ;;
 am33_2.0-*-linux*)
        tm_file="mn10300/mn10300.h dbxelf.h elfos.h linux.h mn10300/linux.h"
-       tmake_file="t-slibgcc-elf-ver t-linux mn10300/t-linux"
+       tmake_file="${tmake_file} mn10300/t-linux"
        gas=yes gnu_ld=yes
        extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
        use_collect2=no
@@ -2139,12 +2123,21 @@ if test x$with_cpu = x ; then
         pentium2-*)
           with_cpu=pentium2
           ;;
-        pentium3-*)
+        pentium3-*|pentium3m-*)
           with_cpu=pentium3
           ;;
-        pentium4-*)
+        pentium4-*|pentium4m-*)
           with_cpu=pentium4
           ;;
+        prescott-*)
+          with_cpu=prescott
+          ;;
+        nocona-*)
+          with_cpu=nocona
+          ;;
+        pentium_m-*)
+          with_cpu=pentium-m
+          ;;
         *)
           with_cpu=pentiumpro
           ;;
@@ -2180,6 +2173,15 @@ if test x$with_cpu = x ; then
   esac
 fi
 
+# Similarly for --with-float
+if test x$with_float = x; then
+       case ${target} in
+       ep9312-*-*)
+               with_float=hard
+               ;;
+       esac
+fi
+
        # Similarly for --with-schedule.
        if test x$with_schedule = x; then
                case ${target} in
@@ -2217,35 +2219,26 @@ fi
                ;;
 
        arm*-*-*)
-               supported_defaults="arch cpu float tune fpu"
+               supported_defaults="arch cpu float tune fpu abi"
                for which in cpu tune; do
+                       # See if it matches any of the entries in arm-cores.def
                        eval "val=\$with_$which"
-                       case "$val" in
-                       "" \
-                       | arm[236789] | arm250 | arm[67][01]0 \
-                       | arm60 | arm620 | arm7d | arm7di \
-                       | arm7m | arm7dm | arm7dmi | arm[79]tdmi \
-                       | arm70 | arm700i | arm710t | arm720 \
-                       | arm720t | arm740t | arm710c | arm920 \
-                       | arm920t | arm926ejs | arm940t | arm9e | arm10tdmi \
-                       | arm7100 | arm7500 | arm7500fe | arm810 \
-                       | arm1026ejs | arm1020t | arm1136js | arm1136jfs \
-                       | xscale | iwmmxt \
-                       | ep9312 \
-                       | strongarm | strongarm110 | strongarm11[01]0)
-                               # OK
-                               ;;
-                       *)
-                               echo "Unknown CPU used in --with-$which=$val" 1>&2
-                               exit 1
-                               ;;
-                       esac
+                       if [ x"$val" = x ] \
+                           || grep "^ARM_CORE($val," \
+                                   ${srcdir}/config/arm/arm-cores.def \
+                                   > /dev/null; then
+                         # Ok
+                         true
+                       else
+                         echo "Unknown CPU used in --with-$which=$val" 1>&2
+                         exit 1
+                       fi
                done
 
                case "$with_arch" in
                "" \
                | armv[23456] | armv2a | armv3m | armv4t | armv5t \
-               | armv5te | armv6j | ep9312)
+               | armv5te | armv6j | iwmmxt | ep9312)
                        # OK
                        ;;
                *)
@@ -2271,13 +2264,24 @@ fi
                        # OK
                        ;;
                *)
-                       echo "Unknown fpu used in --with-fpu=$fpu" 2>&1
+                       echo "Unknown fpu used in --with-fpu=$with_fpu" 2>&1
+                       exit 1
+                       ;;
+               esac
+
+               case "$with_abi" in
+               "" \
+               | apcs-gnu | atpcs | aapcs | iwmmxt )
+                       #OK
+                       ;;
+               *)
+                       echo "Unknown ABI used in --with-abi=$with_abi"
                        exit 1
                        ;;
                esac
 
                if test "x$with_arch" != x && test "x$with_cpu" != x; then
-                       echo "Warning: --with-arch overrides --with-cpu" 1>&2
+                       echo "Warning: --with-arch overrides --with-cpu=$with_cpu" 1>&2
                fi
                ;;
 
@@ -2292,6 +2296,20 @@ fi
                esac
                ;;
 
+       m68k*-linux*)
+               supported_defaults="cpu"
+               case "$with_cpu" in
+               "" | "m68020" | "m68030" | "m68040" | "m68060" | "m68020-40" | "m68020-60")
+                       # OK
+                       ;;
+               *)
+                       echo "Unknown CPU used in --with-cpu=$with_cpu, known values:"  1>&2
+                       echo "m68020 m68030 m68040 m68060 m68020-40 m68020-60" 1>&2
+                       exit 1
+                       ;;
+               esac
+               ;;
+
        hppa*-*-* | parisc*-*-*)
                supported_defaults="arch schedule"
 
@@ -2326,7 +2344,8 @@ fi
                        | c3 | c3-2 | i686 | pentiumpro | pentium2 | pentium3 \
                        | pentium4 | k6 | k6-2 | k6-3 | athlon | athlon-tbird \
                        | athlon-4 | athlon-xp | athlon-mp | k8 | opteron \
-                       | athlon64 | athlon-fx)
+                       | athlon64 | athlon-fx | prescott | pentium-m \
+                       | pentium4m | pentium3m| nocona)
                                # OK
                                ;;
                        *)
@@ -2483,6 +2502,37 @@ fi
                esac
                ;;
 
+       m68k*-linux*)
+               case "x$with_cpu" in
+               x)
+                       # The most generic
+                       target_cpu_default2="(MASK_68020|MASK_68881|MASK_BITFIELD)"
+                       ;;
+               xm68020)
+                       target_cpu_default2="(MASK_68020|MASK_68881|MASK_BITFIELD)"
+                       ;;
+               xm68030)
+                       target_cpu_default2="(MASK_68030|MASK_68020|MASK_68881|MASK_BITFIELD)"
+                       ;;
+               xm68040)
+                       target_cpu_default2="(MASK_68040|MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD)"
+                       ;;
+               xm68060)
+                       target_cpu_default2="(MASK_68060|MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD)"
+                       ;;
+               xm68020-40)
+                       target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68040)"
+                       ;;
+               xm68020-60)
+                       target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68040|MASK_68060)"
+                       ;;
+               *)
+                       echo "Unknown CPU used in --with-cpu=$with_cpu"  1>&2
+                       exit 1
+                       ;;
+               esac
+               ;;
+
        hppa*-*-* | parisc*-*-*)
                if test x$gas = xyes
                then
@@ -2530,10 +2580,6 @@ fi
                ;;
 
        powerpc*-*-* | rs6000-*-*)
-               if test x$enable_altivec = xyes
-               then
-                       tm_file="$tm_file rs6000/altivec-defs.h"
-               fi
                # FIXME: The PowerPC port uses the value set at compile time,
                # although it's only cosmetic.
                if test "x$with_cpu" != x