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#!/bin/sh
## Download and install Asio as an override for compiling Widelands.
## Note that this hasn't been tested on all distributions.
## Patches welcome ;)
ASIO_VER=1.28.0
TESTED_MD5=16c7b8c691abcfe7b964a68616af2e28
URL="https://downloads.sourceforge.net/project/asio/asio/${ASIO_VER}%20%28Stable%29/asio-${ASIO_VER}.tar.bz2"
DL_TARGET=asio.tar.bz2
ARCHIVE_DIR=asio-$ASIO_VER
EXTRACT="${ARCHIVE_DIR}/include"
INSTALL_TARGET=auto_dependencies/asio
# Allow passing distro on command line.
# This is currently only useful for OpenBSD, to also try their enhanced
# 'ftp' tool when neither 'wget', nor 'curl' is available.
DISTRO="$1"
echo "Installing Asio ${ASIO_VER} from source..."
WL_DIR=$(dirname $(dirname "$0"))
cd "$WL_DIR"
if ! [ -f src/wlapplication.cc ] ; then
echo
echo "ERROR: Cannot find the main directory of the Widelands source code."
echo " Please call 'utils/$(basename $0)' from the main directory"
echo " of Widelands source where you would like to install Asio."
echo
exit 1
fi
if [ -f "./${INSTALL_TARGET}/asio.hpp" ] ; then
echo "Asio is already installed in this Widelands source directory."
echo "If you want to replace it, then please remove it from"
echo "'${WL_DIR}/${INSTALL_TARGET}' before running this script."
exit 2
fi
manual_instructions() {
if [ "$1" = "CHECKSUM_FAIL" ]; then
echo "Otherwise, please try manual installation:"
echo " - Download Asio: https://think-async.com/Asio/Download.html"
else
echo "Please try manual installation:"
echo " - Download Asio from: https://sourceforge.net/projects/asio/files/asio/"
fi
echo " - Extract the files from the 'include' subdirectory into"
echo " '${WL_DIR}/${INSTALL_TARGET}/'"
echo " - Move 'asio.hpp' and the 'asio' subdirectory from the 'include' subdirectory"
echo " to '${WL_DIR}/${INSTALL_TARGET}/'"
echo " - You can remove all other files, including the 'src' directory and"
echo " 'Makefile*' from the 'include' directory."
echo
INSTALL="make install-data"
if hash sudo 2>/dev/null ; then
INSTALL="sudo $INSTALL"
elif hash doas 2>/dev/null ; then
INSTALL="doas $INSTALL"
else
INSTALL="su -c '$INSTALL'"
fi
echo " - For a system-wide installation, run"
echo " ./configure --prefix=/usr && $INSTALL"
echo " in the unpacked asio directory instead of moving the files."
}
rm -r "./$INSTALL_TARGET" >/dev/null 2>/dev/null || true
if ! mkdir -p "./$INSTALL_TARGET" ; then
echo
echo "ERROR: Cannot create directory for Asio."
echo
manual_instructions
exit 3
fi
cd "./$INSTALL_TARGET"
if hash wget 2>/dev/null ; then
DOWNLOADER="wget -O"
elif hash curl 2>/dev/null ; then
DOWNLOADER="curl -Lo"
elif [ "$DISTRO" = OpenBSD -o "$DISTRO" = openbsd ] ; then
DOWNLOADER="ftp -o"
else
echo "Cannot find a suitable download tool."
echo
manual_instructions
exit 4
fi
if hash md5sum 2>/dev/null ; then
MD5SUM=md5sum
elif hash md5 2>/dev/null ; then
MD5SUM="md5 -r"
else
echo "Cannot find tool to verify integrity of downloaded file."
echo "Installing from an unverified download would be unsafe."
echo
manual_instructions
exit 4
fi
$DOWNLOADER "$DL_TARGET" "$URL"
CHECKSUM=$($MD5SUM "$DL_TARGET")
CHECKSUM="${CHECKSUM%% *}"
if ! [ "$CHECKSUM" = "$TESTED_MD5" ] ; then
echo
echo "ERROR: Checksum mismatch:"
echo " Expected ${TESTED_MD5}, found ${CHECKSUM}."
echo
echo "There is probably a problem with the network connection, or possibly"
echo "the file was compromised. If this is the first time you see this error,"
echo "then please try again."
echo
manual_instructions CHECKSUM_FAIL
rm "$DL_TARGET"
exit 5
fi
tar -xjf "$DL_TARGET" "$EXTRACT"
mv "$EXTRACT"/asio* .
rm -r "$ARCHIVE_DIR" "$DL_TARGET"
if [ -f asio.hpp -a -d asio -a -f asio/basic_socket.hpp ] ; then
echo "Asio ${ASIO_VER} was installed successfully."
exit 0
else
echo
echo "ERROR: Something went wrong. Installed files are not found."
echo
manual_instructions
exit 6
fi
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