65 lines
1.4 KiB
Bash
Executable File
65 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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# Copyright The OpenTelemetry Authors
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# SPDX-License-Identifier: Apache-2.0
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#
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# This script installs latest CMake on Linux machine
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#
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set -e
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export PATH=/usr/local/bin:$PATH
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# Min required CMake version
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export CMAKE_MIN_VERSION=${1:-3.1.0}
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# Target version to install if min required is not found
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export CMAKE_VERSION=${2:-3.18.4}
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UPGRADE_NEEDED=no
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function splitVersion {
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pattern='([^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]'
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v1=$(cut -d '.' -f 1 <<< $ver )
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v2=$(cut -d '.' -f 2 <<< $ver )
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v3=$(cut -d '.' -f 3 <<< $ver )
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}
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function checkVersion {
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# Current CMake version
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currVer=`cmake --version | grep version | cut -d' ' -f 3`
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ver=$currVer splitVersion
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cv1=$v1
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cv2=$v2
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cv3=$v3
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cv=`echo "65536*$v1+256*$v2+$v3" | bc`
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# New CMake version
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ver=$CMAKE_MIN_VERSION splitVersion
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nv=`echo "65536*$v1+256*$v2+$v3" | bc`
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if [ "$cv" -ge "$nv" ]; then
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echo "CMake is already installed: $currVer"
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else
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UPGRADE_NEEDED=yes
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fi
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}
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checkVersion
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if [[ "$UPGRADE_NEEDED" == "no" ]]; then
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echo "Skipping CMake installation"
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exit 0
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fi
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# Download cmake to /tmp
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pushd /tmp
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if [[ ! -f "/tmp/cmake.tar.gz" ]]; then
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wget -O /tmp/cmake.tar.gz https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}.tar.gz
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tar -zxvf /tmp/cmake.tar.gz
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fi
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# Bootstrap CMake
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cd cmake-${CMAKE_VERSION}
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./bootstrap --prefix=/usr/local
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# Build CMake without CMake and without Ninja (slow)
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make
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make install
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popd
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