Differential D5428 Diff 16804 src/secp256k1/travis/install_cmake.sh

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src/secp256k1/travis/install_cmake.sh

	#!/usr/bin/env bash			#!/usr/bin/env bash

	export LC_ALL=C			export LC_ALL=C

	set -euxo pipefail			set -euxo pipefail

	# Fetch Kitware signing key			### Change these values to select the cmake version to install
	wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null \| sudo apt-key add -			CMAKE_VERSION_MAJOR=3
				CMAKE_VERSION_MINOR=13
				CMAKE_VERSION_PATCH=0

	# Add the Kitware PPA			CMAKE_INSTALL_SCRIPT_SHA256SUM=97220140fb5be4f1fa35600f7b45dd82d168c966dfbb877cae2bad4064b0d31b
	sudo apt-add-repository 'deb https://apt.kitware.com/ubuntu/ xenial main'
	sudo apt-get update

	# Install cmake			### Installation
	sudo apt-get -y install cmake
				CMAKE_VERSION_FULL=${CMAKE_VERSION_MAJOR}.${CMAKE_VERSION_MINOR}.${CMAKE_VERSION_PATCH}

				# If cmake is already installed with the expected version (from cache), skip the
				# installation process.
				if /opt/cmake/bin/cmake --version \| grep "${CMAKE_VERSION_FULL}"; then
				exit 0
				fi

				# Download the pre-built binary from the cmake.org website.
				# It is distributed as a script containing a self extractible archive.
				URL_PREFIX=https://cmake.org/files/v${CMAKE_VERSION_MAJOR}.${CMAKE_VERSION_MINOR}
				CMAKE_INSTALL_SCRIPT=cmake-${CMAKE_VERSION_MAJOR}.${CMAKE_VERSION_MINOR}.${CMAKE_VERSION_PATCH}-Linux-x86_64.sh

				wget ${URL_PREFIX}/${CMAKE_INSTALL_SCRIPT}
				echo "${CMAKE_INSTALL_SCRIPT_SHA256SUM} ${CMAKE_INSTALL_SCRIPT}" \| sha256sum -c

				# Make it executable
				sudo chmod +x ${CMAKE_INSTALL_SCRIPT}

				# Install to /opt/cmake
				CMAKE_INSTALL_PREFIX=/opt/cmake

				sudo mkdir -p ${CMAKE_INSTALL_PREFIX}
				sudo ./${CMAKE_INSTALL_SCRIPT} --prefix=${CMAKE_INSTALL_PREFIX} --skip-license