# Install Intel C/C++ Compiler (ICX) 2022.1.0

###### tags: `ORAN`, `ICC`
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[TOC]
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Reference: [Issue in installing ICC](https://stackoverflow.com/questions/69769768/issue-in-installing-icc-from-intel-oneapi-basetoolkit-issue-with-license-file#answer-69878966)

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## Version
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- For O-DU Emerald version, can use oneapi 2021.4.0
- For O-DU F Version, use 2022.1.0
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## Background
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- Compile for CPUs, GPUs, and FPGAs with an LLVM technology-based compiler that enables custom accelerator tuning and supports OpenMP for GPU offload.
- Used to compile O-DU software
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## OneAPI 2022.1.0
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- Needed to use ICX instead of ICC
- ICX is Intel nextgen compiler based on C/LLVM technology plus Intel proprietary optimizations and code generation
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### 1. Download and Install oneAPI

## Download the oneAPI installer
$ wget https://registrationcenter-download.intel.com/akdlm/irc_nas/18673/l_BaseKit_p_2022.2.0.262_offline.sh

## Install oneAPI
$ sudo sh ./l_BaseKit_p_2022.2.0.262_offline.sh

## Follow the GUI to finish the installation

### 2. Setup ICX(oneAPI) environment variable
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- Edit bashrc to add oneAPI installation files to PATH
- PATH is used in Linux to tell where to search for executable files
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$ vim ~/.bashrc

## Append the commands below into .bashrc file
$ source /opt/intel/oneapi/setvars.sh
$ export PATH=$PATH:/opt/intel/oneapi/compiler/2022.1.0/linux/bin

> You should restart a session or open a new terminal after you set up the .bashrc file
>[color=#e85f85]

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**What is the functionality of ".bashrc" file?**
- OS will run the command which is written into `.bashrc` file whenever you open a new terminal.
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### 3. Check the version of ICX

$ icx --version

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**Result:**
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