Include <stdlib.h> and <unistd.h> if available.
[bpt/emacs.git] / config.guess
index 4d39b91..30230b3 100755 (executable)
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+#   Copyright (C) 1992, 93, 94, 95, 96, 97, 1998 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
@@ -52,11 +52,53 @@ trap 'rm -f dummy.c dummy.o dummy; exit 1' 1 2 15
 
 case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     alpha:OSF1:*:*)
+       if test $UNAME_RELEASE = "V4.0"; then
+               UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+       fi
        # A Vn.n version is a released version.
        # A Tn.n version is a released field test version.
        # A Xn.n version is an unreleased experimental baselevel.
        # 1.2 uses "1.2" for uname -r.
-       echo alpha-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//'`
+       cat <<EOF >dummy.s
+       .globl main
+       .ent main
+main:
+       .frame \$30,0,\$26,0
+       .prologue 0
+       .long 0x47e03d80 # implver $0
+       lda \$2,259
+       .long 0x47e20c21 # amask $2,$1
+       srl \$1,8,\$2
+       sll \$2,2,\$2
+       sll \$0,3,\$0
+       addl \$1,\$0,\$0
+       addl \$2,\$0,\$0
+       ret \$31,(\$26),1
+       .end main
+EOF
+       ${CC-cc} dummy.s -o dummy 2>/dev/null
+       if test "$?" = 0 ; then
+               ./dummy
+               case "$?" in
+                       7)
+                               UNAME_MACHINE="alpha"
+                               ;;
+                       15)
+                               UNAME_MACHINE="alphaev5"
+                               ;;
+                       14)
+                               UNAME_MACHINE="alphaev56"
+                               ;;
+                       10)
+                               UNAME_MACHINE="alphapca56"
+                               ;;
+                       16)
+                               UNAME_MACHINE="alphaev6"
+                               ;;
+               esac
+       fi
+       rm -f dummy.s dummy
+       echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[VTX]//' | tr [[A-Z]] [[a-z]]`
        exit 0 ;;
     21064:Windows_NT:50:3)
        echo alpha-dec-winnt3.5
@@ -91,6 +133,9 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
        echo arm-acorn-riscix${UNAME_RELEASE}
        exit 0;;
+    arm32:NetBSD:*:*)
+       echo arm-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+       exit 0 ;;
     SR2?01:HI-UX/MPP:*:*)
        echo hppa1.1-hitachi-hiuxmpp
        exit 0;;
@@ -129,6 +174,18 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     sun3*:SunOS:*:*)
        echo m68k-sun-sunos${UNAME_RELEASE}
        exit 0 ;;
+    sun*:*:4.2BSD:*)
+       UNAME_RELEASE=`(head -1 /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+       test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+       case "`/bin/arch`" in
+           sun3)
+               echo m68k-sun-sunos${UNAME_RELEASE}
+               ;;
+           sun4)
+               echo sparc-sun-sunos${UNAME_RELEASE}
+               ;;
+       esac
+       exit 0 ;;
     aushp:SunOS:*:*)
        echo sparc-auspex-sunos${UNAME_RELEASE}
        exit 0 ;;
@@ -421,7 +478,10 @@ EOF
        echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
        exit 0 ;;
     i*:CYGWIN*:*)
-       echo i386-pc-cygwin32
+       echo ${UNAME_MACHINE}-pc-cygwin32
+       exit 0 ;;
+    i*:MINGW*:*)
+       echo ${UNAME_MACHINE}-pc-mingw32
        exit 0 ;;
     p*:CYGWIN*:*)
        echo powerpcle-unknown-cygwin32
@@ -433,21 +493,78 @@ EOF
        echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
        exit 0 ;;
     *:Linux:*:*)
+       # uname on the ARM produces all sorts of strangeness, and we need to
+       # filter it out.
+       case "$UNAME_MACHINE" in
+         arm* | sa110*)              UNAME_MACHINE="arm" ;;
+       esac
+
        # The BFD linker knows what the default object file format is, so
        # first see if it will tell us.
        ld_help_string=`ld --help 2>&1`
-       if echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86linux"; then
-         echo "${UNAME_MACHINE}-pc-linux-gnuaout" ; exit 0
-       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: i.86coff"; then
-         echo "${UNAME_MACHINE}-pc-linux-gnucoff" ; exit 0
-       elif echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations:sparclinux"; then
-         echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0
-       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: m68klinux"; then
-         echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0
-       elif echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations: elf32ppc"; then
-         echo "powerpc-unknown-linux-gnu" ; exit 0
-       elif test "${UNAME_MACHINE}" = "alpha" ; then
-         echo alpha-unknown-linux-gnu ; exit 0
+       ld_supported_emulations=`echo $ld_help_string \
+                        | sed -ne '/supported emulations:/!d
+                                   s/[         ][      ]*/ /g
+                                   s/.*supported emulations: *//
+                                   s/ .*//
+                                   p'`
+        case "$ld_supported_emulations" in
+         i?86linux)  echo "${UNAME_MACHINE}-pc-linux-gnuaout"      ; exit 0 ;;
+         i?86coff)   echo "${UNAME_MACHINE}-pc-linux-gnucoff"      ; exit 0 ;;
+         sparclinux) echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+         armlinux)   echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+         m68klinux)  echo "${UNAME_MACHINE}-unknown-linux-gnuaout" ; exit 0 ;;
+         elf32ppc)   echo "powerpc-unknown-linux-gnu"              ; exit 0 ;;
+       esac
+
+       if test "${UNAME_MACHINE}" = "alpha" ; then
+               sed 's/^        //'  <<EOF >dummy.s
+               .globl main
+               .ent main
+       main:
+               .frame \$30,0,\$26,0
+               .prologue 0
+               .long 0x47e03d80 # implver $0
+               lda \$2,259
+               .long 0x47e20c21 # amask $2,$1
+               srl \$1,8,\$2
+               sll \$2,2,\$2
+               sll \$0,3,\$0
+               addl \$1,\$0,\$0
+               addl \$2,\$0,\$0
+               ret \$31,(\$26),1
+               .end main
+EOF
+               LIBC=""
+               ${CC-cc} dummy.s -o dummy 2>/dev/null
+               if test "$?" = 0 ; then
+                       ./dummy
+                       case "$?" in
+                       7)
+                               UNAME_MACHINE="alpha"
+                               ;;
+                       15)
+                               UNAME_MACHINE="alphaev5"
+                               ;;
+                       14)
+                               UNAME_MACHINE="alphaev56"
+                               ;;
+                       10)
+                               UNAME_MACHINE="alphapca56"
+                               ;;
+                       16)
+                               UNAME_MACHINE="alphaev6"
+                               ;;
+                       esac    
+
+                       objdump --private-headers dummy | \
+                         grep ld.so.1 > /dev/null
+                       if test "$?" = 0 ; then
+                               LIBC="libc1"
+                       fi
+               fi      
+               rm -f dummy.s dummy
+               echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} ; exit 0
        elif test "${UNAME_MACHINE}" = "mips" ; then
          cat >dummy.c <<EOF
 main(argc, argv)
@@ -468,11 +585,14 @@ EOF
        else
          # Either a pre-BFD a.out linker (linux-gnuoldld)
          # or one that does not give us useful --help.
-         # Gcc wants to distinguish between linux-gnuoldld and linux-gnuaout.
-         test ! -d /usr/lib/ldscripts/. \
-           && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
+         # GCC wants to distinguish between linux-gnuoldld and linux-gnuaout.
+         # If ld does not provide *any* "supported emulations:"
+         # that means it is gnuoldld.
+         echo "$ld_help_string" | grep >/dev/null 2>&1 "supported emulations:"
+         test $? != 0 && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0
+
          case "${UNAME_MACHINE}" in
-         i.86)
+         i?86)
            VENDOR=pc;
            ;;
          *)
@@ -497,7 +617,7 @@ main(argc, argv)
    printf ("%s-${VENDOR}-linux-gnulibc1\n", argv[1]);
 # endif
 #else
-  printf ("%s-pc-linux-gnuaout\n", argv[1]);
+  printf ("%s-${VENDOR}-linux-gnuaout\n", argv[1]);
 #endif
   return 0;
 }
@@ -510,6 +630,14 @@ EOF
     i?86:DYNIX/ptx:4*:*)
        echo i386-sequent-sysv4
        exit 0 ;;
+    i?86:UNIX_SV:4.2MP:2.*)
+        # Unixware is an offshoot of SVR4, but it has its own version
+        # number series starting with 2...
+        # I am not positive that other SVR4 systems won't match this,
+       # I just have to hope.  -- rms.
+        # Use sysv4.2uw... so that sysv4* matches it.
+       echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+       exit 0 ;;
     i?86:*:4.*:* | i?86:SYSTEM_V:4.*:*)
        if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
                echo ${UNAME_MACHINE}-univel-sysv${UNAME_RELEASE}
@@ -531,6 +659,11 @@ EOF
                echo ${UNAME_MACHINE}-pc-sysv32
        fi
        exit 0 ;;
+    pc:*:*:*)
+        # uname -m prints for DJGPP always 'pc', but it prints nothing about
+        # the processor, so we play safe by assuming i386.
+       echo i386-pc-msdosdjgpp
+        exit 0 ;;
     Intel:Mach:3*:*)
        echo i386-pc-mach3
        exit 0 ;;
@@ -606,6 +739,9 @@ EOF
     mc68*:A/UX:*:*)
        echo m68k-apple-aux${UNAME_RELEASE}
        exit 0 ;;
+    news*:NEWS-OS:*:6*)
+       echo mips-sony-newsos6
+       exit 0 ;;
     R3000:*System_V*:*:* | R4000:UNIX_SYSV:*:*)
        if [ -d /usr/nec ]; then
                echo mips-nec-sysv${UNAME_RELEASE}