1 #!/bin/sh
   2 #
   3 # Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
   4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5 #
   6 # This code is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License version 2 only, as
   8 # published by the Free Software Foundation.
   9 #
  10 # This code is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 # version 2 for more details (a copy is included in the LICENSE file that
  14 # accompanied this code).
  15 #
  16 # You should have received a copy of the GNU General Public License version
  17 # 2 along with this work; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19 #
  20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21 # or visit www.oracle.com if you need additional information or have any
  22 # questions.
  23 #
  24 
  25 # This is a wrapper for the config.guess from autoconf. The latter does not
  26 # properly detect 64 bit systems on all platforms. Instead of patching the
  27 # autoconf system (which might easily get lost in a future update), we wrap it
  28 # and fix the broken property, if needed.
  29 
  30 DIR=`dirname $0`
  31 OUT=`. $DIR/autoconf-config.guess`
  32 
  33 # Test and fix cygwin on x86_64
  34 echo $OUT | grep 86-pc-cygwin > /dev/null 2> /dev/null
  35 if test $? != 0; then
  36   echo $OUT | grep 86-pc-mingw > /dev/null 2> /dev/null
  37 fi
  38 if test $? = 0; then
  39   case `echo $PROCESSOR_IDENTIFIER | cut -f1 -d' '` in
  40     intel64|Intel64|INTEL64|em64t|EM64T|amd64|AMD64|8664|x86_64)
  41       REAL_CPU=x86_64
  42       OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
  43       ;;
  44   esac
  45 fi
  46 
  47 # Test and fix wsl
  48 echo $OUT | grep x86_64-unknown-linux-gnu > /dev/null 2> /dev/null
  49 if test $? = 0; then
  50   uname -r | grep -i microsoft > /dev/null 2> /dev/null
  51   if test $? = 0; then
  52     OUT="x86_64-pc-wsl"
  53   fi
  54 fi
  55 
  56 # Test and fix architecture string on AIX
  57 # On AIX 'config.guess' returns 'powerpc' as architecture but 'powerpc' is
  58 # implicitely handled as 32-bit architecture in 'platform.m4' so we check
  59 # for the kernel mode rewrite it to 'powerpc64' if we'Re running in 64-bit mode.
  60 # The check could also be done with `/usr/sbin/prtconf | grep "Kernel Type" | grep "64-bit"`
  61 echo $OUT | grep powerpc-ibm-aix > /dev/null 2> /dev/null
  62 if test $? = 0; then
  63   if [ -x /bin/getconf ] ; then
  64     KERNEL_BITMODE=`getconf KERNEL_BITMODE`
  65     if  [ "$KERNEL_BITMODE" = "32" ]; then
  66       KERNEL_BITMODE=""
  67     fi
  68   fi
  69   OUT=powerpc$KERNEL_BITMODE`echo $OUT | sed -e 's/[^-]*//'`
  70 fi
  71 
  72 # Test and fix little endian PowerPC64.
  73 # TODO: should be handled by autoconf-config.guess.
  74 if [ "x$OUT" = x ]; then
  75   if [ `uname -m` = ppc64le ]; then
  76     if [ `uname -s` = Linux ]; then
  77       OUT=powerpc64le-unknown-linux-gnu
  78     fi
  79   fi
  80 fi
  81 
  82 # Test and fix little endian MIPS.
  83 if [ "x$OUT" = x ]; then
  84   if [ `uname -s` = Linux ]; then
  85     if [ `uname -m` = mipsel ]; then
  86       OUT=mipsel-unknown-linux-gnu
  87     elif [ `uname -m` = mips64el ]; then
  88       OUT=mips64el-unknown-linux-gnu
  89     fi
  90   fi
  91 fi
  92 
  93 # Test and fix cpu on Macosx when C preprocessor is not on the path
  94 echo $OUT | grep i386-apple-darwin > /dev/null 2> /dev/null
  95 if test $? = 0; then
  96   REAL_CPU=`uname -m`
  97   OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
  98 fi
  99 
 100 echo $OUT