Scripts for bootstrapping various programming languages
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#!/bin/sh
set -eu
# From: https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/multiprocessing.eclass
makeopts_jobs() {
# This assumes the first .* will be more greedy than the second .*
# since POSIX doesn't specify a non-greedy match (i.e. ".*?").
local jobs=$(echo " $MAKEFLAGS " | sed -r -n \
-e 's:.*[[:space:]](-j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' \
-e 's:.*[[:space:]](-j|--jobs)[[:space:]].*:999:p')
echo ${jobs:-1}
}
version_jdk9=9+181
dir_download="$PWD/download"
mkdir -p build; cd build
dir_install="$PWD/install-jdk9"
# Prepare source
tar xf "$dir_download/jdk-jdk-$version_jdk9.tar.bz2"
cd "jdk-jdk-$version_jdk9"
chmod +x configure
# Configure source
./configure \
--prefix="$dir_install" \
--with-boot-jdk="$PWD/../install-icedtea8" \
--with-jobs="$(makeopts_jobs)" \
--disable-full-docs \
--enable-headless-only \
--disable-warnings-as-errors
# Build and install
unset MAKEFLAGS
make product-images
make install