trusty: Add image based on ubuntu trusty

Using ubuntu trusty, come up with a reasonably minimal image that can
compile curl with gcc-7.

Closes #1

Author: cmeister2

base-ubuntu-trusty/Dockerfile.gcc

@@ -0,0 +1,9 @@
+# Base from Ubuntu trusty
+FROM ubuntu:trusty
+
+# The docker build process is noninteractive
+ARG DEBIAN_FRONTEND=noninteractive
+
+# Run the install process using the provided script
+COPY scripts/ /scripts/
+RUN /scripts/dockerfile_gcc.sh

base-ubuntu-trusty/build.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -euxo pipefail
+
+# Build gcc image
+docker build -f Dockerfile.gcc \
+             -t curlimages/base-ubuntu-trusty:gcc \
+             .

base-ubuntu-trusty/push.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -euxo pipefail
+
+# Push docker image. This assumes that the curlimages user is logged in.
+docker push curlimages/base-ubuntu-trusty:gcc

base-ubuntu-trusty/scripts/dockerfile_gcc.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+#
+# Print out debug info and fail if a sub-step fails
+set -exuo pipefail
+
+# Define a set of temporary docker packages used during docker building.
+DOCKER_BUILD_PACKAGES="software-properties-common curl"
+
+# Update APT so we can install packages.
+apt-get -y update
+
+# Install temporary build packages
+apt-get -y install $DOCKER_BUILD_PACKAGES
+
+# Install the necessary repositories:
+# - ubuntu-toolchain-r-test
+add-apt-repository ppa:ubuntu-toolchain-r/test
+
+# Install all necessary packages for curl building
+apt-get -y update
+bash /scripts/install_common.sh
+apt-get -y install gcc-7 g++-7
+
+# Install gcc-7 as the standard cc and g++-7 as the standard c++
+update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 10
+update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 10
+update-alternatives --install /usr/bin/cc cc /usr/bin/gcc 30
+update-alternatives --set cc /usr/bin/gcc
+update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++ 30
+update-alternatives --set c++ /usr/bin/g++
+
+# Download, compile and install other libraries.
+/scripts/install_nghttp2.sh
+/scripts/install_libidn2.sh
+/scripts/install_libpsl.sh
+
+# Remove the temporary build packages and any auto-installed dependencies
+apt-get --purge -y remove $DOCKER_BUILD_PACKAGES
+apt-get -y autoremove
+
+# Removing any apt cache data.
+rm -rf /var/lib/apt/lists/*

base-ubuntu-trusty/scripts/install_common.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Install common dependencies
+apt-get -y install make \
+                   pkg-config \
+                   autoconf \
+                   libtool \
+                   valgrind \
+                   libev-dev \
+                   libc-ares-dev \
+                   libstdc++-7-dev \
+                   stunnel4 \
+                   libssh2-1-dev \
+                   libssh-dev \
+                   krb5-user \
+                   autopoint \
+                   libunistring-dev \
+                   python

base-ubuntu-trusty/scripts/install_libidn2.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -exuo pipefail
+
+# Download, compile and install libidn2.
+pushd /tmp
+curl -L https://ftp.gnu.org/gnu/libidn/libidn2-2.0.4.tar.gz | tar -xzvf -
+pushd libidn2-2.0.4
+./configure --prefix=/usr
+make
+make install
+popd
+
+# Clean up afterwards.
+rm -rf libidn2-2.0.4
+popd

base-ubuntu-trusty/scripts/install_libpsl.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -exuo pipefail
+
+# Download, compile and install libpsl.
+pushd /tmp
+curl -L https://github.com/rockdaboot/libpsl/releases/download/libpsl-0.20.1/libpsl-0.20.1.tar.gz | tar -xzvf -
+pushd libpsl-0.20.1
+autoreconf -i
+./configure --prefix=/usr
+make
+make install
+popd
+
+# Clean up afterwards.
+rm -rf libpsl-0.20.1
+popd

base-ubuntu-trusty/scripts/install_nghttp2.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -euxo pipefail
+
+apt-get install -y libcunit1-dev \
+                   libjemalloc-dev
+
+# Download, compile and install nghttp2.
+pushd /tmp
+curl -L https://github.com/nghttp2/nghttp2/releases/download/v1.24.0/nghttp2-1.24.0.tar.gz | tar xzvf -
+pushd nghttp2-1.24.0
+./configure --prefix=/usr --disable-threads --enable-app
+make
+make install
+popd
+
+# Clean up afterwards.
+rm -rf nghttp2-1.24.0
+popd