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I'm trying to install ROOT v5.34 on Linux Ubuntu v12.04. After extracting the files and running the configure script, I type in make to initiate the installing process. However, after some time, I get the following error and any help in trying to fix this would be appreciated.

Install roots wrapper.
/bin/sh: 1: cannot create lib/python/genreflex/gccxmlpath.py: Permission denied
make: *** [lib/python/genreflex/gccxmlpath.py] Error 2
Ptheguy
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2 Answers2

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v5.34 : No issues here → → $ tar xvf root_v5.34.34.source.tar.gz ... Must be done as unpreviliged user in /home/[name]/tmp/ (Or other usable folder/ : Not the Desktop.)
If you do the unpack of 'root_v5.34.34.source.tar.gz' with sudo or with a Windows© tool : You will experince "Permission denied".

The build : cd root/ && ./configure && make

Note : root v5.34 is an "old" version. Current is v6.06 https://root.cern.ch/downloading-root

Knud Larsen
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I was getting the same error you might wanna try, with the latest version. And this is what it helped me a lot.

The following list shows the programs required before you can install CEARN ROOT. In an environment with the following specifications.

I have sucessfully install ROOT on a Raspberry pi4

• Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
• 8GB LPDDR4-3200 SDRAM
• 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE
• Gigabit Ethernet
• 2 USB 3.0 ports; 2 USB 2.0 ports.
• Raspberry Pi standard 40 pin GPIO header (fully backwards compatible with previous boards)
• 2 × micro-HDMI ports (up to 4kp60 supported)
• 2-lane MIPI DSI display port
• 2-lane MIPI CSI camera port
• 4-pole stereo audio and composite video port
• H.265 (4kp60 decode), H264 (1080p60 decode, 1080p30 encode)
• OpenGL ES 3.0 graphics
• Micro-SD card slot for loading operating system and data storage
• 5V DC via USB-C connector (minimum 3A *)
• 5V DC via GPIO header (minimum 3A *)
• Power over Ethernet (PoE) enabled (requires separate PoE HAT)

• Operating System: Ubuntu-MATE 20.04 LTS
• sd card 64gb Samsung endurance.

Prerequisites

sudo apt-get install git dpkg-dev cmake g ++ gcc binutils libx11-dev libxpm-dev libxft-dev libxext-dev

sudo apt-get install gfortran libssl-dev libpcre3-dev xlibmesa-glu-dev libglew1.5-dev libftgl-dev libmysqlclient-dev libfftw3-dev libcfitsio-dev graphviz-dev libavahi-compat-libdnssd-dev libldap2-dev python- dev libxml2-dev libkrb5-dev libgsl0-dev libqt4-dev

Optional

  sudo apt-get install gfortran libssl-dev libpcre3-dev \
  xlibmesa-glu-dev libglew1.5-dev libftgl-dev \
  libmysqlclient-dev libfftw3-dev libcfitsio-dev \
  graphviz-dev libavahi-compat-libdnssd-dev \
  libldap2-dev python-dev libxml2-dev libkrb5-dev \
  libgsl0-dev libqt4-dev

Installation

The latest version of ROOT is downloaded, which is a .tar.gz file, for this case the version “root_v6.24.00.source.tar.gz” will be installed. The next step is to create a directory in any location, in this case it is the Desktop. The folder to create is called CERN_Root

mkdir CERN_Root

the downloaded .tar.gz file is copied to this newly created directory.

 cp <file dir> Downloads / root_v6.20.04.source.tar.gz <new dir> CERN_Root/
 cd CERN_Root

unzip the .tar.gz file

tar -zxvf root_v6.20.04.source.tar.gz

It is unzipped and there should be a root-6.20.04 folder, now we create a directory for the for install.

 mkdir root-install

We access the root-build folder and load the necessary files with the cmake.

cmake ../root-6.24.00/

now we load all the libraries marking from which directory it should extract them, which is from the unzipped .tar.gz file, with the option -Dall = ON

sudo cmake ~/Desktop/CERN_Root/root-6.24.00/ -Dall=ON

Then run make with

make -jN (where N is the number of cores to be used for the installation)

then

 sudo make install

and finally after finished, type root in the terminal.

Las Des
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