mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-19 05:07:56 +00:00
245 lines
7.1 KiB
Bash
Executable File
245 lines
7.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2016 Serval Project, Inc.
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#
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# This script downloads the libsodium source code from GitHub, then compiles it
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# and sets up the Serval DNA source code to build against the compiled
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# libsodium.
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#
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# This script is useful for building Serval DNA on platforms such as Max OS X
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# that do not provide the libsodium development package. Debian and Ubuntu
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# provide the libsodium-dev package which can be installed instead of using this
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# script.
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#
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# By default, the script creates a 'libsodium' directory in the same directory
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# that contains the 'serval-dna' directory, ie, '../libsodium' relative to the
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# script. This location can be overridden by giving an alternative directory
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# path on the command line, which the script will create if it does not exist.
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usage() {
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echo "Usage: ${0##*/} [--directory PATH] [--ssh] [--make-arg ARG]"
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echo "Options: --src PATH download and build in PATH [$LIBSODIUM_BUILD_DIR]"
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echo " --prefix PATH install into PATH [$LIBSODIUM_INSTALL_DIR]"
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echo " --no-update do not update if already downloaded"
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echo " --no-clean do not clean if already built"
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echo " --ssh download from GitHub using SSH instead of HTTPS"
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echo " --dist-build DIST build using libsodium's 'dist-build/DIST.sh' script"
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echo " --make-arg ARG pass ARG to the 'make' command"
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}
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# Work out the path of the directory that contains this script.
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case "$0" in
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*/*) SCRIPT_DIR="${0%/*}";;
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*) SCRIPT_DIR=".";;
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esac
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case "$SCRIPT_DIR" in
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*/*) SCRIPT_PARENT_DIR="${SCRIPT_DIR%/*}";;
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.) SCRIPT_PARENT_DIR="..";;
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*) SCRIPT_PARENT_DIR="$SCRIPT_DIR/..";;
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esac
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# Download location.
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LIBSODIUM_URL_PATH="jedisct1/libsodium.git"
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LIBSODIUM_GIT_URL_HTTPS="https://github.com/$LIBSODIUM_URL_PATH"
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LIBSODIUM_GIT_URL_SSH="git@github.com:$LIBSODIUM_URL_PATH"
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LIBSODIUM_GIT_URL="$LIBSODIUM_GIT_URL_HTTPS"
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# The directory in which to install the built libsodium.
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LIBSODIUM_INSTALL_DIR="$SCRIPT_DIR/libsodium"
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# The directory in which to download and build libsodium.
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LIBSODIUM_BUILD_DIR="$SCRIPT_PARENT_DIR/libsodium"
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# Exit on error
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set -e
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usage_error() {
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echo "${0##*/}: $*" >&2
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usage >&2
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exit 1
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}
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fatal() {
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echo "${0##*/}: $*" >&2
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exit 1
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}
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# Parse the command-line, preserving all the arguments for later reference.
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PRESERVED_ARGS=()
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OPT_UPDATE=true
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OPT_CLEAN=true
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DIST=
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MAKE_ARGS=()
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while [ $# -ne 0 ]; do
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opt="$1"
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shift
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case "$opt" in
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-h | --help | '-?' )
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usage
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exit 0
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;;
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--src=*)
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PRESERVED_ARGS+=("$opt")
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LIBSODIUM_BUILD_DIR="${opt#*=}"
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;;
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--src)
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[ $# -ge 1 ] || usage_error "missing argument after $opt"
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PRESERVED_ARGS+=("$opt" "$1")
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LIBSODIUM_BUILD_DIR="$1"
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shift
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;;
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--prefix=*)
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PRESERVED_ARGS+=("$opt")
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LIBSODIUM_INSTALL_DIR="${opt#*=}"
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;;
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--prefix)
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[ $# -ge 1 ] || usage_error "missing argument after $opt"
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PRESERVED_ARGS+=("$opt" "$1")
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LIBSODIUM_INSTALL_DIR="$1"
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shift
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;;
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--ssh)
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PRESERVED_ARGS+=("$opt")
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LIBSODIUM_GIT_URL="$LIBSODIUM_GIT_URL_SSH"
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;;
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--no-update)
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OPT_UPDATE=false
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;;
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--no-clean)
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OPT_CLEAN=false
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;;
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--dist-build=*)
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PRESERVED_ARGS+=("$opt")
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DIST="${opt#*=}"
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;;
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--dist-build)
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[ $# -ge 1 ] || usage_error "missing argument after $opt"
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PRESERVED_ARGS+=("$opt" "$1")
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DIST="$1"
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shift
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;;
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--make-arg=*)
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PRESERVED_ARGS+=("$opt")
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MAKE_ARGS+=("${opt#*=}")
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;;
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--make-arg)
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[ $# -ge 1 ] || usage_error "missing argument after $opt"
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PRESERVED_ARGS+=("$opt" "$1")
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MAKE_ARGS+=("$1")
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shift
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;;
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-*)
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usage_error "unrecognised option: $1"
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;;
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*)
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usage_error "spurious argument: $1"
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;;
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esac
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done
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abspath() {
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case "$1" in
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/*) echo "$1";;
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.) echo "$PWD";;
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*) echo "$PWD/${1#./}";;
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esac
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}
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if [ ! -d "$LIBSODIUM_BUILD_DIR" ]; then
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echo "Create $LIBSODIUM_BUILD_DIR"
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mkdir -p "$LIBSODIUM_BUILD_DIR"
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fi
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LIBSODIUM_INSTALL_ABSDIR="$(abspath "$LIBSODIUM_INSTALL_DIR")"
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is_libsodium_downloaded() {
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[ -r "$1/src/libsodium/include/sodium.h" -a \
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-r "$1/libsodium-uninstalled.pc.in" \
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]
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}
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if ! is_libsodium_downloaded "$LIBSODIUM_BUILD_DIR"; then
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echo "Download libsodium from $LIBSODIUM_GIT_URL..."
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git clone --branch stable "$LIBSODIUM_GIT_URL" "$LIBSODIUM_BUILD_DIR"
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cd "$LIBSODIUM_BUILD_DIR" >/dev/null
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is_libsodium_downloaded . || fatal "Download did not produce expected source files"
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else
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echo "Libsodium appears to already be downloaded"
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cd "$LIBSODIUM_BUILD_DIR" >/dev/null
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git checkout stable
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if $OPT_UPDATE; then
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echo "Update from" $(git remote get-url origin)
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git pull --ff-only origin stable
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fi
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fi
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if [ -d "$LIBSODIUM_INSTALL_ABSDIR" ]; then
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echo "Delete the previous installation"
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rm -rf "$LIBSODIUM_INSTALL_ABSDIR"
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fi
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if $OPT_CLEAN && [ -r Makefile ]; then
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echo "Clean the previous build"
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make distclean >/dev/null
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fi
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if [ -z "$DIST" ]; then
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echo "Native build..."
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[ -r Makefile ] || ./configure --prefix="$LIBSODIUM_INSTALL_ABSDIR"
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make -j3 "${MAKE_ARGS[@]}" check
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make -j3 "${MAKE_ARGS[@]}" install
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elif [ -x "dist-build/$DIST.sh" ]; then
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installed="libsodium-$DIST"
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case "$DIST" in
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arm) installed="libsodium-armv6";;
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esac
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[ -e "$installed" ] && fatal "previous build remains in $installed"
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echo "Build using 'dist-build/$DIST.sh'..."
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"dist-build/$DIST.sh"
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[ -d "$installed" ] || fatal "build did not produce $installed"
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echo "Copy built installation into $LIBSODIUM_INSTALL_ABSDIR"
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cp -R -p "$installed" "$LIBSODIUM_INSTALL_ABSDIR"
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else
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fatal "script "dist-build/$DIST_BUILD.sh" does not exist."
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fi
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# Create a shell script that will set up the environment to use the built and
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# installed libsodium.
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cat >"$LIBSODIUM_INSTALL_ABSDIR/settings.sh" <<EOF
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# libsodium development and run-time environment settings
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#
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# Source this file using the Bash "source" or Shell "." command to set up the
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# environment so that compilation and execution will use the libsodium
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# installed in this directory.
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#
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# NOTE: This file was generated by running the ${0##*/} script.
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# If you edit this file, any changes will be overwritten the next time that
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# script is run.
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# Compiler settings:
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export CPPFLAGS="\$CPPFLAGS -isystem $LIBSODIUM_INSTALL_ABSDIR/include"
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export LIBRARY_PATH="$LIBSODIUM_INSTALL_ABSDIR/lib"
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# Run-time settings:
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export LD_LIBRARY_PATH="\${LD_LIBRARY_PATH:+\$LD_LIBRARY_PATH:}$LIBSODIUM_INSTALL_ABSDIR/lib"
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EOF
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# Create a README.txt file.
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cat >"$LIBSODIUM_INSTALL_ABSDIR/README.txt" <<EOF
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This directory is a local installation of the libsodium cryptographic library
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downloaded from $LIBSODIUM_GIT_URL
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It was downloaded and built locally using the command:
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${0##*/} ${PRESERVED_ARGS[*]}
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EOF
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echo
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echo "The libsodium run-time and development files have been installed in:"
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echo "$LIBSODIUM_INSTALL_ABSDIR"
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echo
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echo "To use this installation of libsodium, set up the environment using the"
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echo "shell's \"dot\" command to source its settings.sh script, for example:"
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echo
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echo " . $LIBSODIUM_INSTALL_DIR/settings.sh ; ./configure"
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echo
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