From c97daf46fc0689fecde7a51dc42e25b8a8ce513f Mon Sep 17 00:00:00 2001 From: ng0 Date: Fri, 20 Sep 2019 16:56:39 +0000 Subject: A first solution for #5899 --- configure | 189 ++++++++++++++++++++++++++++++++++---------------------------- 1 file changed, 104 insertions(+), 85 deletions(-) (limited to 'configure') diff --git a/configure b/configure index df74a8fef..fe59b5bba 100755 --- a/configure +++ b/configure @@ -1,99 +1,118 @@ -#!/usr/bin/env bash - -set -eu - -prefix=/usr/local - -usage() { - echo "Usage: ./configure [OPTION]" - echo - echo "Configuration:" - echo " -h, --help display this help and exit" - echo - echo "Installation directories:" - echo " --prefix=PREFIX install architecture-independent files in PREFIX [$prefix]" +#!/bin/sh + +# This file is part of TALER +# (C) 2019 GNUnet e.V. +# +# This is very simple POSIX sh script which +# identifies the first matching +# python3 identifier in $PATH and produces +# configure.py from configure.py.in, and then +# calls the new executable configure.py. +# +# It should be portable on Unices. Report bugs on +# the bugtracker if you discover that it isn't +# working as intended. +# +# Authors: +# Author: ng0 +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE +# LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF +# THIS SOFTWARE. +# +# SPDX-License-Identifier: 0BSD + +# there is a function used in curl to replicate which(1), but +# it uses too many other tools. this one uses command and in +# gnunet so far has no reports about failures. +existence() +{ + command -v "$1" >/dev/null 2>&1 } - -# -allow a command to fail with !'s side effect on errexit -# -use return value from ${PIPESTATUS[0]}, because ! hosed $? -! getopt --test > /dev/null -if [[ ${PIPESTATUS[0]} -ne 4 ]]; then - echo 'getopt not available' - exit 1 +# We have to check every possible variant of the +# executable name because there is a PEP which +# defines the executable to be like this. +if existence python3; then + python="python3" +elif existence python3.1; then + python="python3.1" +elif existence python3.2; then + python="python3.2" +elif existence python3.3; then + python="python3.3" +elif existence python3.4; then + python="python3.4" +elif existence python3.5; then + python="python3.5" +elif existence python3.6; then + python="python3.6" +elif existence python3.7; then + python="python3.7" +elif existence python3.8; then + python="python3.8" +else + echo "*** No known python3 executable found in path ***" + echo "*** falling back to env(1) python ***" + # Unreliable, but if env finds no python, we still can + # not assume python in a fixed location. + # TODO: Check this in a clean chroot! + python="env python" fi -LONGOPTS=prefix:,help -OPTIONS=h - -! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@") -if [[ ${PIPESTATUS[0]} -ne 0 ]]; then - # e.g. return value is 1 - # then getopt has complained about wrong arguments to stdout - exit 2 +# we could check the return value here via || echo "blafoo" +# or fail anyway once configure.py is invoked because we +# don't have python if we reach the point to fail. +PYTHON=$($python -c 'import sys; print(sys.executable)') +#echo $PYTHON + +if ! existence node; then + echo 'Error: node executable not found.' + echo 'If you are using Linux, Ubuntu or Debian, try installing the' + echo 'node-legacy package or symlink node to nodejs.' +else + node_version=$(node --version) + #echo "Using node ${node_version}" + if ! node -p 'process.exit(!(/v([0-9]+)/.exec(process.version)[1] >= 4))'; then + echo 'Your node version is too old, use Node 4.x or newer' + fi fi -# read getopt's output this way to handle the quoting right: -eval set -- "$PARSED" - -while true; do - case "$1" in - --prefix) - prefix="$2" - shift 2 - ;; - -h|--help) - usage - exit 1 - ;; - --) - shift - break - ;; - *) - echo "Programming error" - exit 3 - ;; - esac -done - -cat << EOF > config.mk -# this file is autogenerated by ./configure -prefix=$prefix -EOF - -node_version=$(node --version) -if [ ! "$?" -eq 0 ]; then - echo 'Error: node executable not found.' - echo 'If you are using ubuntu or debian, try installing the' - echo 'node-legacy package or symlink node to nodejs.' - exit 1 -fi -echo "Using node ${node_version}" - -if ! node -p 'process.exit(!(/v([0-9]+)/.exec(process.version)[1] >= 4))'; then - echo 'Your node version is too old, use something >v4.x.x' - exit 1 +if ! existence yarn; then + echo 'ERROR: yarn missing. See https://yarnpkg.com/en/docs/install' fi -if ! yarn --version &>/dev/null; then - echo 'Error: yarn missing. See https://yarnpkg.com/en/docs/install' - exit 1 +# for the weird systems and sandboxes, only as a anotice. +# make will fail anyway. +if ! existence find; then + echo "INFO: find(1) is missing" fi - -if ! find --version &>/dev/null; then - echo 'Error: find missing' - exit 1 +if ! existence xargs; then + echo "INFO: xargs(1) is missing" fi - -if ! xargs --version &>/dev/null; then - echo 'Error: xargs missing' - exit 1 +if ! existence msgmerge; then + echo "INFO: msgmerge(1) is missing" fi -if ! msgmerge --version &>/dev/null; then - echo "Warning: msgmerge missing, i18n won't work" - exit 1 -fi +# Remove leftover configure.py file +rm configure.py +# Now we will just assume sed exists, +# and replace only the executable name. +sed -e "s,[@]PYTHON[@],$PYTHON,g" < ./configure.py.in > configure.py +chmod +x configure.py +# Call configure.py, assuming all went well. +# $1 is read by configure.py as the prefix. +# If $1 is empty, the python script checks the +# environment for PREFIX. We might need more +# variables and switches, such as DESTDIR. +./configure.py "$1" -- cgit v1.2.3