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#!/bin/sh
#
# Copyright (c) 2012, 2021, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2021, Azul Systems, Inc. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
# This is a wrapper for the config.guess from autoconf. The latter does not
# properly detect 64 bit systems on all platforms. Instead of patching the
# autoconf system (which might easily get lost in a future update), we wrap it
# and fix the broken property, if needed.
DIR=`dirname $0`
OUT=`. $DIR/autoconf-config.guess 2> /dev/null`
# Handle some cases that autoconf-config.guess is not capable of
if [ "x$OUT" = x ]; then
if [ `uname -s` = Linux ]; then
# Test and fix little endian MIPS.
if [ `uname -m` = mipsel ]; then
OUT=mipsel-unknown-linux-gnu
elif [ `uname -m` = mips64el ]; then
OUT=mips64el-unknown-linux-gnu
# Test and fix little endian PowerPC64.
elif [ `uname -m` = ppc64le ]; then
OUT=powerpc64le-unknown-linux-gnu
# Test and fix LoongArch64.
elif [ `uname -m` = loongarch64 ]; then
OUT=loongarch64-unknown-linux-gnu
# Test and fix RISC-V.
elif [ `uname -m` = riscv64 ]; then
OUT=riscv64-unknown-linux-gnu
fi
# Test and fix cygwin machine arch .x86_64
elif [[ `uname -s` = CYGWIN* ]]; then
if [ `uname -m` = ".x86_64" ]; then
OUT=x86_64-unknown-cygwin
fi
fi
if [ "x$OUT" = x ]; then
# Run autoconf-config.guess again to get the error message.
. $DIR/autoconf-config.guess > /dev/null
else
printf "guessed by custom config.guess... " >&2
fi
fi
# Detect C library.
# Use '-gnu' suffix on systems that use glibc.
# Use '-musl' suffix on systems that use the musl libc.
echo $OUT | grep -- -linux- > /dev/null 2> /dev/null
if test $? = 0; then
libc_vendor=`ldd --version 2>&1 | sed -n '1s/.*\(musl\).*/\1/p'`
if [ x"${libc_vendor}" = x"musl" ]; then
OUT=`echo $OUT | sed 's/-gnu/-musl/'`
fi
fi
# Test and fix cygwin on x86_64
echo $OUT | grep 86-pc-cygwin > /dev/null 2> /dev/null
if test $? != 0; then
echo $OUT | grep 86-pc-mingw > /dev/null 2> /dev/null
fi
if test $? = 0; then
case `echo $PROCESSOR_IDENTIFIER | cut -f1 -d' '` in
intel64|Intel64|INTEL64|em64t|EM64T|amd64|AMD64|8664|x86_64)
REAL_CPU=x86_64
OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
;;
esac
fi
# Test and fix wsl
echo $OUT | grep unknown-linux-gnu > /dev/null 2> /dev/null
if test $? = 0; then
uname -r | grep -i microsoft > /dev/null 2> /dev/null
if test $? = 0; then
OUT=`echo $OUT | sed -e 's/unknown-linux-gnu/pc-wsl/'`
fi
fi
# Test and fix architecture string on AIX
# On AIX 'config.guess' returns 'powerpc' as architecture but 'powerpc' is
# implicitely handled as 32-bit architecture in 'platform.m4' so we check
# for the kernel mode rewrite it to 'powerpc64' if we'Re running in 64-bit mode.
# The check could also be done with `/usr/sbin/prtconf | grep "Kernel Type" | grep "64-bit"`
echo $OUT | grep powerpc-ibm-aix > /dev/null 2> /dev/null
if test $? = 0; then
if [ -x /bin/getconf ] ; then
KERNEL_BITMODE=`getconf KERNEL_BITMODE`
if [ "$KERNEL_BITMODE" = "32" ]; then
KERNEL_BITMODE=""
fi
fi
OUT=powerpc$KERNEL_BITMODE`echo $OUT | sed -e 's/[^-]*//'`
fi
# Test and fix cpu on macos-aarch64, uname -p reports arm, buildsys expects aarch64
echo $OUT | grep arm-apple-darwin > /dev/null 2> /dev/null
if test $? != 0; then
# The GNU version of uname may be on the PATH which reports arm64 instead
echo $OUT | grep arm64-apple-darwin > /dev/null 2> /dev/null
fi
if test $? = 0; then
if [ `uname -m` = arm64 ]; then
OUT=aarch64`echo $OUT | sed -e 's/[^-]*//'`
fi
fi
# Test and fix cpu on Macosx when C preprocessor is not on the path
echo $OUT | grep i386-apple-darwin > /dev/null 2> /dev/null
if test $? = 0; then
REAL_CPU=`uname -m`
OUT=$REAL_CPU`echo $OUT | sed -e 's/[^-]*//'`
fi
echo $OUT
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