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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/openj9
 Path: blob/master/runtime/compiler/build/scripts/guess-platform.sh
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# Copyright (c) 2000, 2021 IBM Corp. and others

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#

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# This program and the accompanying materials are made available under

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# the terms of the Eclipse Public License 2.0 which accompanies this

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# distribution and is available at https://www.eclipse.org/legal/epl-2.0/

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# or the Apache License, Version 2.0 which accompanies this distribution and

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# is available at https://www.apache.org/licenses/LICENSE-2.0.

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#

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# This Source Code may also be made available under the following

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# Secondary Licenses when the conditions for such availability set

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# forth in the Eclipse Public License, v. 2.0 are satisfied: GNU

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# General Public License, version 2 with the GNU Classpath

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# Exception [1] and GNU General Public License, version 2 with the

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# OpenJDK Assembly Exception [2].

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#

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# [1] https://www.gnu.org/software/classpath/license.html

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# [2] http://openjdk.java.net/legal/assembly-exception.html

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#

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# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception

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thirty_two_bit=0

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usage() {

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    echo "usage: guess-platform.sh [--32|--64]" >&2

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    echo "Outputs the value that can be assigned to the PLATFORM variable in" >&2

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    echo "the jit makefiles. If neither --32 or --64 is provided, --64 is   " >&2

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    echo "assumed." >&2

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    exit 1

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}

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error() {

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    echo "$0: $1" >&2

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    exit 1

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}

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# chooseplatform 32bit_platform 64bit_platform

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chooseplatform() {

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    if [ $thirty_two_bit -eq 1 ] ; then

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        platform=$1

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    else

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        platform=$2

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    fi

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}

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if [ $# -eq 0 ] ; then

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    arg="--64"

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elif [ $# -eq 1 ] ; then

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    arg=$1

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else

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    usage

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fi

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case $arg in

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    --32)

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        thirty_two_bit=1

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        ;;

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    --64)

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        thirty_two_bit=0

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        ;;

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    *)

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        usage

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        ;;

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esac

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system=$(uname -s)

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case $system in

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    AIX)

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        chooseplatform "ppc-aix-vacpp" "ppc64-aix-vacpp"

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        ;;

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    OS/390)

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        chooseplatform "s390-zos-vacpp" "s390-zos64-vacpp"

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        ;;

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    CYGWIN*)

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        chooseplatform "ia32-win32-mvs" "amd64-win64-mvs"

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        ;;

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    Darwin)

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        platform="amd64-osx-clang"

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        ;;

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    Linux)

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        p=$(uname -m)

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        case $p in

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            i[456]86)

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                platform="ia32-linux-gcc"

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                ;;

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            x86_64)

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                chooseplatform "amd64-linux-gcc" "amd64-linux64-gcc"

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                ;;

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            ppc64)

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                chooseplatform "ppc-linux-gcc" "ppc64-linux64-gcc"

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                ;;

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            ppc64le)

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                platform="ppc64le-linux64-gcc"

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                ;;

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            s390x)

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                chooseplatform "s390-linux-gcc" "s390-linux64-gcc"

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                ;;

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            *)

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                error "$0: uname -m returns unknown result \"$p\""

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                ;;

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        esac

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        ;;

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    *)

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        error "$0: uname -s returns unknown result \"$system\""

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        ;;

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esac

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echo $platform

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