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#!/usr/bin/env bash
# This script builds the CMake build system
set -e
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
PREFIX_DIR="$DIR/Local/cmake"
BUILD_DIR="$DIR/Build/cmake"
TARBALLS_DIR="$DIR/Tarballs"
NPROC="nproc"
SYSTEM_NAME="$(uname -s)"
if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
NPROC="sysctl -n hw.ncpuonline"
elif [ "$SYSTEM_NAME" = "FreeBSD" ]; then
NPROC="sysctl -n hw.ncpu"
elif [ "$SYSTEM_NAME" = "Darwin" ]; then
NPROC="sysctl -n hw.ncpu"
fi
[ -z "$MAKEJOBS" ] && MAKEJOBS=$($NPROC)
check_sha() {
if [ $# -ne 2 ]; then
error "Usage: check_sha FILE EXPECTED_HASH"
return 1
fi
FILE="${1}"
EXPECTED_HASH="${2}"
if [ "$SYSTEM_NAME" = "Darwin" ]; then
SEEN_HASH="$(shasum -a 256 "${FILE}" | cut -d " " -f 1)"
else
SEEN_HASH="$(sha256sum "${FILE}" | cut -d " " -f 1)"
fi
test "${EXPECTED_HASH}" = "${SEEN_HASH}"
}
# Note: Update this alongside Meta/CMake/cmake-version.cmake
CMAKE_VERSION=3.26.0
CMAKE_ARCHIVE_SHA256=4256613188857e95700621f7cdaaeb954f3546a9249e942bc2f9b3c26e381365
CMAKE_ARCHIVE=cmake-${CMAKE_VERSION}.tar.gz
CMAKE_ARCHIVE_URL=https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/${CMAKE_ARCHIVE}
mkdir -p "$DIR"/Tarballs
pushd "$DIR"/Tarballs
if [ ! -e "${CMAKE_ARCHIVE}" ]; then
echo "Downloading CMake from ${CMAKE_ARCHIVE_URL}..."
curl "${CMAKE_ARCHIVE_URL}" -L -o "${CMAKE_ARCHIVE}"
else
echo "${CMAKE_ARCHIVE} already exists, not downloading archive"
fi
if ! check_sha "${CMAKE_ARCHIVE}" "${CMAKE_ARCHIVE_SHA256}"; then
echo "CMake archive SHA256 sum mismatch, please run script again"
rm -f "${CMAKE_ARCHIVE}"
exit 1
fi
if [ ! -d "cmake-${CMAKE_VERSION}" ]; then
echo "Extracting ${CMAKE_ARCHIVE}..."
tar -xf "${CMAKE_ARCHIVE}"
else
echo "cmake-${CMAKE_VERSION} already exists, not extracting archive"
fi
popd
mkdir -p "${PREFIX_DIR}"
mkdir -p "${BUILD_DIR}"
pushd "${BUILD_DIR}"
"${TARBALLS_DIR}"/cmake-"${CMAKE_VERSION}"/bootstrap --prefix="${PREFIX_DIR}" --parallel="${MAKEJOBS}"
make -j "${MAKEJOBS}"
make install
popd
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