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#!/bin/bash
#
# Copyright (c) 2023, Oracle and/or its affiliates. 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. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# 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 script generates a libffi bundle. On linux by building it from source
# using a devkit, which should match the devkit used to build the JDK.
#
# Set MAKE_ARGS to add parameters to make. Ex:
#
# $ MAKE_ARGS=-j32 bash createLibffiBundle.sh
#
# The script tries to behave well on multiple invocations, only performing steps
# not already done. To redo a step, manually delete the target files from that
# step.
#
# Note that the libtool and texinfo packages are needed to build libffi
# $ sudo apt install libtool texinfo
LIBFFI_VERSION=3.4.2
BUNDLE_NAME=libffi-$LIBFFI_VERSION.tar.gz
SCRIPT_FILE="$(basename $0)"
SCRIPT_DIR="$(cd "$(dirname $0)" > /dev/null && pwd)"
OUTPUT_DIR="${SCRIPT_DIR}/../../build/libffi"
SRC_DIR="$OUTPUT_DIR/src"
DOWNLOAD_DIR="$OUTPUT_DIR/download"
INSTALL_DIR="$OUTPUT_DIR/install"
IMAGE_DIR="$OUTPUT_DIR/image"
USAGE="$0 <devkit dir>"
if [ "$1" = "" ]; then
echo $USAGE
exit 1
fi
DEVKIT_DIR="$1"
# Download source distros
mkdir -p $DOWNLOAD_DIR
cd $DOWNLOAD_DIR
SOURCE_TAR=v$LIBFFI_VERSION.tar.gz
if [ ! -f $SOURCE_TAR ]; then
wget https://github.com/libffi/libffi/archive/refs/tags/v$LIBFFI_VERSION.tar.gz
fi
# Unpack src
mkdir -p $SRC_DIR
cd $SRC_DIR
LIBFFI_DIRNAME=libffi-$LIBFFI_VERSION
LIBFFI_DIR=$SRC_DIR/$LIBFFI_DIRNAME
if [ ! -d $LIBFFI_DIRNAME ]; then
echo "Unpacking $SOURCE_TAR"
tar xf $DOWNLOAD_DIR/$SOURCE_TAR
fi
# Build
cd $LIBFFI_DIR
if [ ! -e $LIBFFI_DIR/configure ]; then
bash ./autogen.sh
fi
# For Linux/x86, add --build=i686-pc-linux-gnu CFLAGS=-m32 CXXFLAGS=-m32 LDFLAGS=-m32
bash ./configure --prefix=$INSTALL_DIR CC=$DEVKIT_DIR/bin/gcc CXX=$DEVKIT_DIR/bin/g++
# Run with nice to keep system usable during build.
nice make $MAKE_ARGS install
mkdir -p $IMAGE_DIR
# Extract what we need into an image
if [ ! -e $IMAGE_DIR/lib/libffi.so ]; then
echo "Copying libffi.so* to image"
mkdir -p $IMAGE_DIR/lib
# For Linux/x86 it's under /lib/ instead of /lib64/
cp -a $INSTALL_DIR/lib64/libffi.so* $IMAGE_DIR/lib/
fi
if [ ! -e $IMAGE_DIR/include/ ]; then
echo "Copying include to image"
mkdir -p $IMAGE_DIR/include
cp -a $INSTALL_DIR/include/. $IMAGE_DIR/include/
fi
if [ ! -e $IMAGE_DIR/$SCRIPT_FILE ]; then
echo "Copying this script to image"
cp -a $SCRIPT_DIR/$SCRIPT_FILE $IMAGE_DIR/
fi
# Create bundle
if [ ! -e $OUTPUT_DIR/$BUNDLE_NAME ]; then
echo "Creating $OUTPUT_DIR/$BUNDLE_NAME"
cd $IMAGE_DIR
tar zcf $OUTPUT_DIR/$BUNDLE_NAME *
fi
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