1 #!/bin/sh
   2 #
   3 # Copyright (c) 2012, 2018, 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 # config.guess doesn't identify systems running the musl C library, and will
  34 # instead return a string with a -gnu suffix. This block detects musl and
  35 # modifies the string to have a -musl suffix instead. 
  36 echo $OUT | grep -- -linux- > /dev/null 2> /dev/null
  37 if test $? = 0; then
  38   ldd_version=`ldd --version 2>&1 | head -1 | cut -f1 -d' '`
  39   if [ x"${ldd_version}" = x"musl" ]; then
  40     OUT=`echo $OUT | sed 's/-gnu/-musl/'`
  41   fi
  42 fi
  43 
  44 # Test and fix solaris on x86_64
  45 echo $OUT | grep i386-pc-solaris > /dev/null 2> /dev/null
  46 if test $? = 0; then
  47   # isainfo -n returns either i386 or amd64
  48   REAL_CPU=`isainfo -n`
  49   OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
  50 fi
  51 
  52 # Test and fix solaris on sparcv9
  53 echo $OUT | grep sparc-sun-solaris > /dev/null 2> /dev/null
  54 if test $? = 0; then
  55   # isainfo -n returns either sparc or sparcv9
  56   REAL_CPU=`isainfo -n`
  57   OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
  58 fi
  59 
  60 # Test and fix cygwin on x86_64
  61 echo $OUT | grep 86-pc-cygwin > /dev/null 2> /dev/null
  62 if test $? != 0; then
  63   echo $OUT | grep 86-pc-mingw > /dev/null 2> /dev/null
  64 fi
  65 if test $? = 0; then
  66   case `echo $PROCESSOR_IDENTIFIER | cut -f1 -d' '` in
  67     intel64|Intel64|INTEL64|em64t|EM64T|amd64|AMD64|8664|x86_64)
  68       REAL_CPU=x86_64
  69       OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
  70       ;;
  71   esac
  72 fi
  73 
  74 # Test and fix wsl
  75 echo $OUT | grep x86_64-unknown-linux-gnu > /dev/null 2> /dev/null
  76 if test $? = 0; then
  77   uname -r | grep Microsoft > /dev/null 2> /dev/null
  78   if test $? = 0; then
  79     OUT="x86_64-pc-wsl"
  80   fi
  81 fi
  82 
  83 # Test and fix architecture string on AIX
  84 # On AIX 'config.guess' returns 'powerpc' as architecture but 'powerpc' is
  85 # implicitely handled as 32-bit architecture in 'platform.m4' so we check
  86 # for the kernel mode rewrite it to 'powerpc64' if we'Re running in 64-bit mode.
  87 # The check could also be done with `/usr/sbin/prtconf | grep "Kernel Type" | grep "64-bit"`
  88 echo $OUT | grep powerpc-ibm-aix > /dev/null 2> /dev/null
  89 if test $? = 0; then
  90   if [ -x /bin/getconf ] ; then
  91     KERNEL_BITMODE=`getconf KERNEL_BITMODE`
  92     if  [ "$KERNEL_BITMODE" = "32" ]; then
  93       KERNEL_BITMODE=""
  94     fi
  95   fi
  96   OUT=powerpc$KERNEL_BITMODE`echo $OUT | sed -e 's/[^-]*//'`
  97 fi
  98 
  99 # Test and fix little endian PowerPC64.
 100 # TODO: should be handled by autoconf-config.guess.
 101 if [ "x$OUT" = x ]; then
 102   if [ `uname -m` = ppc64le ]; then
 103     if [ `uname -s` = Linux ]; then
 104       OUT=powerpc64le-unknown-linux-gnu
 105     fi
 106   fi
 107 fi
 108 
 109 # Test and fix little endian MIPS.
 110 if [ "x$OUT" = x ]; then
 111   if [ `uname -s` = Linux ]; then
 112     if [ `uname -m` = mipsel ]; then
 113       OUT=mipsel-unknown-linux-gnu
 114     elif [ `uname -m` = mips64el ]; then
 115       OUT=mips64el-unknown-linux-gnu
 116     fi
 117   fi
 118 fi
 119 
 120 # Test and fix cpu on Macosx when C preprocessor is not on the path
 121 echo $OUT | grep i386-apple-darwin > /dev/null 2> /dev/null
 122 if test $? = 0; then
 123   REAL_CPU=`uname -m`
 124   OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
 125 fi
 126 
 127 echo $OUT