Building OpenRadioss

Build environment on Linux
Build environment on Linux ARM64
Build environment on Windows
How to build OpenRadioss
How to build OpenRadioss on Linux with Container using Apptainer
How to debug with Visual Studio

Build environment on Linux

System prerequisites

Linux system with glibc version 2.17 or higher:

CentOS/RHEL 7, CentOS Stream 8, RHEL 8, Rocky Linux 8, Rocky Linux 9
Ubuntu 20.0.4 or higher
Windows Subsystem for Linux: OpenRadioss works with WSL/WSL2 Ubuntu 20.04 LTS, WSL2 Ubuntu 22.x

Compiler and development tools

You will need GCC/Gfortran version 11 or higher, Cmake version 2.8 or higher, and GNU make.

Install as sudo or root

RHEL 7, CentOS 7

      yum install devtoolset-11
      yum install devtoolset-11-libasan-devel
      yum install devtoolset-11-libubsan-devel
      yum install libasan6
      yum install libubsan
      yum install make
      yum install cmake
      yum install perl
      yum install python
      yum install git-lfs

To enable the devtoolset-11, you can run scl enable devtoolset-11 bash

RHEL 8, CentOS Stream 8, Rocky Linux 8

     dnf install gcc-toolset-11-toolchain
     dnf install gcc-toolset-11-libasan-devel
     dnf install gcc-toolset-11-libubsan-devel
     dnf install libasan
     dnf install libasan6
     dnf install libubsan
     dnf install make
     dnf install cmake
     dnf install python
     dnf install perl
     dnf install git-lfs

Installed python is Python3. To create the link from python3 to python,

type:

     alternatives --config python

     Select python3.

To enable the devtoolset-11, you can run source /opt/rh/gcc-toolset-11/enable

Ubuntu

     apt-get update
     apt-get upgrade
     apt-get install build-essential
     apt-get install libasan6
     apt-get install libubsan1
     apt-get install gfortran
     apt-get install cmake
     apt-get install perl
     apt-get install python3
     apt-get install python-is-python3
     apt-get install git-lfs

OpenMPI installation

OpenMPI is needed to build OpenRadioss with OpenMPI support. It is recommended to build and install OpenMPI from OpenMPI website using gcc compiler.

Download OpenMPI tarball from www.openmpi.org prefered version is OpenMPI v4.1.2

     wget https://download.open-mpi.org/release/open-mpi/v4.1/openmpi-4.1.2.tar.gz

Decompress and enter the folder:

     tar -xvzf openmpi-4.1.2.tar.gz
     cd openmpi-4.1.2

Build and install OpenMPI

you need root or sudo rights on your computer.

    ./configure --prefix=/opt/openmpi
    make
    make install

Build environment on Linux ARM64

System prerequisites for linux ARM64

This version works on ARMv8-A and higher architectures using Linux OS:

For the supported Hardware list, visit :

https://developer.arm.com/Tools%20and%20Software/Arm%20Compiler%20for%20Linux#Supported-Devices

The Linux ARM64 version is built using armflang and armclang compiler. They are available for following Linux version :

RHEL 7, RHEL 8, RHEL 9 for ARM64
Suse SLES 15 for ARM64
Ubuntu 20.04, Ubuntu 22.04 for ARM64

Compiler and development tools for Linux Arm64

Development environment

Install Development tools on your machine

As root or sudo user:

On RHEL 8, Rocky Linux8, Suse...

 dnf install cmake
 dnf install python
 dnf install perl
 dnf install git
 dnf install git-lfs
 dnf install environment-modules

On Ubuntu 20.x, 22.x, 23.x...

 apt-get update
 apt-get upgrade
 apt-get install build-essential
 apt-get install gfortran
 apt-get install cmake
 apt-get install perl
 apt-get install python3
 apt-get install python-is-python3
 apt-get install git
 apt-get install git-lfs
 apt-get install environment-modules

Install ArmFlang compiler

ARM compilers and ARM PErformance libraries are used to build OpenRadioss. ArmFlang 24.04 is recommended to build OpenRadioss. It uses the module system to setup the compiler.

ArmFlang compilers can be downloaded at: https://developer.arm.com/downloads/-/arm-compiler-for-linux
Follow ArmFlang installation instructions: ttps://developer.arm.com/documentation/102621/0100
To see the list of available modules and load the compiler settings type:
```
module list
module load acfl/24.04
```

Note:

The module system was found not properly configured on some systems. If module command is nout found, add in your .bashrc shell file:
```
source /etc/profile 
```
If the compiler could not be found with module list, add /opt/arm/modulefiles in the MODULEPATH variable. Add this setting in your .bashrc file to have it permanent.
```
export MODULEPATH=$MODULEPATH:/opt/arm/modulefiles
```

OpenMPI installation for Linux Arm64

OpenMPI is needed to build OpenRadioss with OpenMPI support. It is recommended to build and install OpenMPI from OpenMPI website using gcc compiler.

Download OpenMPI tarball from www.openmpi.org prefered version is OpenMPI v4.1.2

     wget https://download.open-mpi.org/release/open-mpi/v4.1/openmpi-4.1.2.tar.gz

Decompress and enter the folder:

     tar -xvzf openmpi-4.1.2.tar.gz
     cd openmpi-4.1.2

Build and install OpenMPI

Load the gcc/gfortran compiler module from ArmFlang installation using module environment tool:

Find the available GNU compiler with:
```
  module avail
```
Load the gnu compiler with module environment tool: here an example with gnu 11.2.0
```
  module load gnu/11.2.0
```

you need root or sudo rights on your computer.

    ./configure --prefix=/opt/openmpi
    make
    make install

Build environment on Windows

OpenRadioss was tested with OneAPI 2023.2 + Visual Studio 2019.

This chapter explains how to setup Windows on different build configuration

Compiler environment
OpenRadioss build environment using cmd.exe
OpenRadioss build using cygwin
OpenRadioss build environment using Visual Studio.

Compiler environment

Intel OneAPI requires Visual Studio Community, Enterprise or Professional Edition installed. For all prerequisites, visit : https://www.intel.com/content/www/us/en/developer/articles/system-requirements/intel-oneapi-base-toolkit-system-requirements.html It is recommended to upgrade Visual Studio to the latest available one.
Download one API Base Toolkit and one API HPC Toolkit
- Visit one API Base Toolkit Download page: oneAPI Base Toolkit
- Visit one API HPC Toolkit Download page: oneAPI HPC Toolkit
Install Toolkits

Minimum required packages are
- In the Base Toolkit: Intel DPC++/C++, Intel Math Kernel Library, Intel distribution for Python.
- In the HPC Toolkit: Intel Intel® oneAPI DPC++/C++ Compiler, Intel® Fortran Compiler, Intel® MPI Library
Notes:
- Intel OneAPI plugin for Visual Studio is recommended to use Intel OneAPI in Visual Studio 2019
- Choose the default directory to install Intel oneAPI
Install Git
- Install Git for Windows from: https://git-scm.com/downloads. The Git Bash tool is not needed, but can be installed.
Post installation tasks with git

Install git-lfs
```
      git lfs install
```

Add in Git global environment the autocrlf flag

      git config --global core.autocrlf true

Create the ssh key & set it in GitHub
```
      ssh-keygen -t rsa
```
Note: Accept all defaults, Standard directory, no passphrase
Set your git parameters as in CONTRIBUTING.md

Build environment using cmd DOS shell

Building using cmd.exe is using cmake.exe and ninja.exe Both are shipped with Visual Studio 2019.

Setup the compiler Load compiler settings in cmd.exe using following command :

  call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat" intel64 vs2019

cmd.exe can be launched using a batch script to ease usage

  @echo off
  call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat" intel64 vs2019
  cmd.exe

Build environment using Visual Studio 2019

Notes:

Following procedure was tested on Visual Studio 2019
Visual Studio Graphical environment must be installed.
Visual Studio using cmake and ninja for compilation.
It is recommended to update Visual Studio to most recent release.
Cmake + Builders must be installed in Visual Studio : Visual Studio is using Cmake and ninja builder (available with cmake package)
Intel OneAPI plugin for VS2019 must be installed and running. Otherwise Compiler is not found.

Building environment using cygwin

Install Cygwin
- Download setup-x86-64 setup from : https://www.cygwin.com/install.html Direct access is : setup-x86_64.exe
- execute setup-x86_64.exe
- Choose in Download Source : 'Install from Internet'
- In cygwin Install Directory : Choose Cygwin directory. It is recommended to use the Default directory
- In Local Download Directory, Choose the download directory
- In Internet Connexion : Choose System parameters
- In Download site menu : choose the repository server nearest to your location.
- In the Package Menu :
  - Choose make
  - Choose perl
  - Do not install git, cmake and ssh from cygwin : cygwin Git does not support LFS, native Git installation will be used. cmake is shipped with Visual Studio and ssh is shipped with git
  - Next will install the packages.
- Post installation task must de done :
  - In cygwin, /bin/link.exe program conflicts with Visual Studio.
  - Rename it to avoid issues :
    
    Launch cygwin in the shell : move /bin/link.exe in /bin/link_cygwin.exe : mv /bin/link.exe in /bin/link_cygwin.exe
Notes: Cygwin is a Unix environment for Windows, all Unix tools are accessible.
- Windows directories are accessible in /cygdrive/[c|d]
- There is a user home directory in cygwin

Create a build environment with Intel oneAPI, git and cygwin

Cygwin can be launched with following Batch script :

  @echo off
  rem c:
  call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat" intel64 vs2019
  chdir C:\cygwin64\bin
  bash --login -i

Setup SSH in Cygwin

Copy the new generated ssh key generated in previous section in cygwin home directory As a workaround to use git in cygwin, copy the ssh key in cygwin home directory ssh keys are found in: /cygdrive/c/Users/[Windows User]/.ssh
```
      cp -r /cygdrive/c/Users/[Windows User]/.ssh /home/[cygwin_user]/
```

How to build OpenRadioss

Get the source

Activate LFS: git lfs install
Run git clone git@github.com:OpenRadioss/OpenRadioss.git.

See here if you want to contribute to OpenRadioss.

Build defaults

The default for Radioss builds are:

Linux with with Gfortran : Optimized for release usage
Windows with Intel Compiler : Optimized for release usage

Recommendations for developpers is to build OpenRadioss with :

Address Sanitizer for Linux / Gfortran : -debug=asan
Check Bounds executable for Windows users : -debug=chkb

Building on Linux

OpenRadioss Starter on Linux

Enter the OpenRadioss/starter directory
```
      cd OpenRadioss/starter
```
Launch build_script.sh to proceed to the compilation

Usual build is make with:
```
      ./build_script.sh -arch=linux64_gf -release
```
OpenRadioss Starter: starter_linux64_gf binary will be copied in OpenRadioss/exec directory

Advanced script flags can be used to build OpenRadioss: run ./build_script.sh without arguments:

 []$ ./build_script.sh

 Use with arguments :
 -arch=[build architecture]
          -arch=linux64_gf  (SMP executable / Gfortran compiler)
          -arch=linux64_AOCC (SMP executable / AOCC compiler)
          -arch=linuxa64    (SMP executable / ARM Linux - Armflang compiler)
          -arch=win64       (SMP executable / Windows X86-64 - Intel OneAPI)
 
  -prec=[dp|sp]                       : set precision - dp (default) |sp
  -static-link                        : Fortran, C & C++ runtime are linked in binary
  -debug=[0|1|asan]                   : debug version for gfortran
                                           0 : no debug flags (default)
                                           1 : usual debug flag
                                           asan : gfortran address sanitizer (default)
  -release                            : Set build for release (optimized)

  -addflag="list of additional flags" : add compiler flags to usual set

  Execution control
  -nt=[threads]      : number of threads for build
  -verbose           : Verbose build
  -clean             : clean build directory

  -no-python : do not link with python

-arch: you will find the list of possible architectures
-prec: controls the OpenRadioss Floating Point Precision : dp : double Precision - Floats in 64 bits (default), sp activates the Extended Single Precision Version (32bit)
-static-link: Runtime libraries are statically linked in Executable (easier when executable is used on different computers).
-debug=[0|1|asan]: activates debug build (-O0 + usual debug flags).
-release: Set build for release (optimized)
-addflag="list of additional flags": add compiler flags to usual set for all files

Execution Control

-nt=N use N threads to fasten build
-verbose: compilation process is in Verbose mode
-clean: deletes compilation files and execution.

Building OpenRadioss Engine on Linux

Enter the OpenRadioss/engine directory
Launch build_script.sh to proceed to the compilation To build OpenRadioss Engine with OpenMPI support
```
      ./build_script.sh -arch=linux64_gf -mpi=ompi -release
```
To build OpenRadioss without OpenMPI support (SMP parallelism):
```
      ./build_script.sh -arch=linux64_gf -release 
```
OpenRadioss Engine: engine_linux64_gf or engine_linux64_gf_ompi binary will be copied in OpenRadioss/exec directory

Advanced script flags can be used to build OpenRadioss Engine: launch ./build_script.sh without arguments:

  []$ ./build_script.sh
  
  
   build_script
   ------------

   Use with arguments :
   -arch=[build architecture]
  
           -arch=linux64_gf                (SMP executable / Gfortran compiler / Linux X86-64)
           -arch=linux64_gf  -mpi=ompi     (OpenMPI executable / Gfortran compiler / Linux X86-64)
           -arch=linux64_AOCC  -mpi=ompi     (OpenMPI executable / AOCC compiler / Linux X86-64)
           -arch=linux64_intel                (SMP executable / Intel compiler / Linux X86-64)
           -arch=linux64_intel  -mpi=impi     (MPI executable / Intel compiler / Linux X86-64)
           -arch=linuxa64_gf               (SMP executable / Armflang compiler / Linux ARM64)
           -arch=linuxa64_gf -mpi=ompi     (OpenMPI executable / Armflang compiler / Linux X86-64)
           -arch=win64                     (SMP executable / Intel OneAPI / Windows X86-64)
           -arch=win64       -mpi=impi     (Intel MPI OneAPI executable / Intel OneAPI / Windows X86-64)
  
   MPI libraries
   -mpi=[mpi]
           not set   : SMP (default)
           -mpi=ompi : OpenMPI
  
           Controlling MPI Libraries - if need choose one of the 3 Option Set
                                      If no options set, recommended OpenMPI directories         are used (default)
             1. -mpi-os                             : link with default MPI version         installed on system
                                              libraries are in default installation
             2. -mpi-root=[directory]               : set rootname to link with specific MPI installation
             3. -mpi-include=[directory]            : set include directory where to find mpif.h and mpi.h
                -mpi-libdir=[directory]             : set library directory where to find mpi libraries
  
   -prec=[dp|sp]                       : set precision - dp (default) |sp
   -static-link                        : Fortran, C & C++ runtime are linked in binary
   -debug=[0|1|asan]                   : debug version for gfortran
                                            0 : no debug flags
                                            1 : usual debug flag
                                            asan : gfortran address sanitizer (default)
   -release                            : Set build for release (optimized)
  
   -addflag="list of additional flags" : add compiler flags to usual set
  
   Execution control
   -nt=[threads]      : number of threads for build
   -verbose           : Verbose build
   -clean             : clean build directory
  
    MUMPS linear solver: available only for dp, with mpi
   -mumps_root=[path_to_mumps]          : path_to_mumps/lib/libdmumps.a must exist
   -scalapack_root=[path to scalapack]  : path_to_scalapack/libscalapack.a must exist
   -lapack_root=[path to lapack]  : path_to_lapack/liblapack.a must exist
  
   -no-python : do not link with python

-arch: you will find the list of possible architectures

MPI libraries

-mpi controls the MPI flavor

More Flags to control the MPI installation. Per default OpenMPI is installed in /opt/openmpi.

Additional ways are possible:

-mpi-os: mpif.h is found in default system installation, as well as the libraries
-mpi-root: set this flag to set a new root directory where OpenMPI can be found.
-mpi-include: set the directory where OpenMPI includes can be found
-mpi-libdir: set the Directory where OpenMPI libraries can be found

Other controls

-prec=[dp|sp]: controls the OpenRadioss Floating Point Precision
- dp: double Precision - Floats in 64 bits (default)
- sp: activates the Extended Single Precision Version (32bit)
-static-link: Runtime libraries are statically linked in Executable (easier when executable is used on different computers).
-debug=1: activates debug build (-O0 + usual debug flags).
-release: Set build for release (optimized)
-addflag="list of additionnal flags": add compiler flags to usual set for all files

Execution Control

-nt=N use N threads to fasten build
-verbose: compilation process is in Verbose mode
-clean: deletes compilation files and execution.

Building on Linux Arm64

OpenRadioss Starter on Linux Arm64

Enter the OpenRadioss/starter directory
```
      cd OpenRadioss/starter
```
Launch build_script.sh to proceed to the compilation

Usual build is make with:
```
      ./build_script.sh -arch=linuxa64 -release
```
OpenRadioss Starter: starter_linuxa64 binary will be copied in OpenRadioss/exec directory

Advanced script flags can be used to build OpenRadioss: run ./build_script.sh without arguments:

 []$ ./build_script.sh

 Use with arguments :
 -arch=[build architecture]
          -arch=linux64_gf  (SMP executable / Gfortran compiler)
          -arch=linux64_AOCC (SMP executable / AOCC compiler)
          -arch=linuxa64    (SMP executable / ARM Linux - Armflang compiler)
          -arch=win64       (SMP executable / Windows X86-64 - Intel OneAPI)
 
  -prec=[dp|sp]                       : set precision - dp (default) |sp
  -static-link                        : Fortran, C & C++ runtime are linked in binary
  -debug=[0|1|asan]                   : debug version for gfortran
                                           0 : no debug flags (default)
                                           1 : usual debug flag
                                           asan : gfortran address sanitizer (default)
  -release                            : Set build for release (optimized)

  -addflag="list of additional flags" : add compiler flags to usual set

  Execution control
  -nt=[threads]      : number of threads for build
  -verbose           : Verbose build
  -clean             : clean build directory

  -no-python : do not link with python

-arch: you will find the list of possible architectures
-prec: controls the OpenRadioss Floating Point Precision : dp : double Precision - Floats in 64 bits (default), sp activates the Extended Single Precision Version (32bit)
-static-link: Runtime libraries are statically linked in Executable (easier when executable is used on different computers).
-debug=[0|1|asan]: activates debug build (-O0 + usual debug flags).
-release: Set build for release (optimized)
-addflag="list of additional flags": add compiler flags to usual set for all files

Execution Control

-nt=N use N threads to fasten build
-verbose: compilation process is in Verbose mode
-clean: deletes compilation files and execution.

Building OpenRadioss Engine on Linux Arm64

Enter the OpenRadioss/engine directory
Launch build_script.sh to proceed to the compilation To build OpenRadioss Engine with OpenMPI support
```
      ./build_script.sh -arch=linuxa64 -mpi=ompi -release
```
To build OpenRadioss without OpenMPI support (SMP parallelism):
```
      ./build_script.sh -arch=linuxa64 -release 
```
OpenRadioss Engine: engine_linuxa64 or engine_linuxa64_ompi binary will be copied in OpenRadioss/exec directory

Advanced script flags can be used to build OpenRadioss Engine: launch ./build_script.sh without arguments:

  []$ ./build_script.sh
  
  
   build_script
   ------------

   Use with arguments :
   -arch=[build architecture]
  
           -arch=linux64_gf                (SMP executable / Gfortran compiler / Linux X86-64)
           -arch=linux64_gf  -mpi=ompi     (OpenMPI executable / Gfortran compiler / Linux X86-64)
           -arch=linux64_AOCC  -mpi=ompi     (OpenMPI executable / AOCC compiler / Linux X86-64)
           -arch=linux64_intel                (SMP executable / Intel compiler / Linux X86-64)
           -arch=linux64_intel  -mpi=impi     (MPI executable / Intel compiler / Linux X86-64)
           -arch=linuxa64_gf               (SMP executable / Armflang compiler / Linux ARM64)
           -arch=linuxa64_gf -mpi=ompi     (OpenMPI executable / Armflang compiler / Linux X86-64)
           -arch=win64                     (SMP executable / Intel OneAPI / Windows X86-64)
           -arch=win64       -mpi=impi     (Intel MPI OneAPI executable / Intel OneAPI / Windows X86-64)
  
   MPI libraries
   -mpi=[mpi]
           not set   : SMP (default)
           -mpi=ompi : OpenMPI
  
           Controlling MPI Libraries - if need choose one of the 3 Option Set
                                      If no options set, recommended OpenMPI directories         are used (default)
             1. -mpi-os                             : link with default MPI version         installed on system
                                              libraries are in default installation
             2. -mpi-root=[directory]               : set rootname to link with specific MPI installation
             3. -mpi-include=[directory]            : set include directory where to find mpif.h and mpi.h
                -mpi-libdir=[directory]             : set library directory where to find mpi libraries
  
   -prec=[dp|sp]                       : set precision - dp (default) |sp
   -static-link                        : Fortran, C & C++ runtime are linked in binary
   -debug=[0|1|asan]                   : debug version for gfortran
                                            0 : no debug flags
                                            1 : usual debug flag
                                            asan : gfortran address sanitizer (default)
   -release                            : Set build for release (optimized)
  
   -addflag="list of additional flags" : add compiler flags to usual set
  
   Execution control
   -nt=[threads]      : number of threads for build
   -verbose           : Verbose build
   -clean             : clean build directory
  
    MUMPS linear solver: available only for dp, with mpi
   -mumps_root=[path_to_mumps]          : path_to_mumps/lib/libdmumps.a must exist
   -scalapack_root=[path to scalapack]  : path_to_scalapack/libscalapack.a must exist
   -lapack_root=[path to lapack]  : path_to_lapack/liblapack.a must exist
  
   -no-python : do not link with python

-arch: you will find the list of possible architectures

MPI libraries

-mpi controls the MPI flavor

More Flags to control the MPI installation. Per default OpenMPI is installed in /opt/openmpi.

Additional ways are possible:

-mpi-os: mpif.h is found in default system installation, as well as the libraries
-mpi-root: set this flag to set a new root directory where OpenMPI can be found.
-mpi-include: set the directory where OpenMPI includes can be found
-mpi-libdir: set the Directory where OpenMPI libraries can be found

Other controls

-prec=[dp|sp]: controls the OpenRadioss Floating Point Precision
- dp: double Precision - Floats in 64 bits (default)
- sp: activates the Extended Single Precision Version (32bit)
-static-link: Runtime libraries are statically linked in Executable (easier when executable is used on different computers).
-debug=1: activates debug build (-O0 + usual debug flags).
-release: Set build for release (optimized)
-addflag="list of additionnal flags": add compiler flags to usual set for all files

Execution Control

-nt=N use N threads to fasten build
-verbose: compilation process is in Verbose mode
-clean: deletes compilation files and execution.

Build OpenRadioss on Windows with cmd Shell

OpenRadioss Starter on Windows

Enter the OpenRadioss/starter directory
```
      cd OpenRadioss/starter
```
Launch build_windows.bat to proceed with compilation Usual build is made with:
```
     build_windows.bat -arch=win64 -release
```
OpenRadioss Starter: starter_win64.exe binary is copied in OpenRadioss/exec directory

Different builds are possible : launch build_windows.bat without argument to see the possible options:

 Use with arguments : 
     -arch=[build architecture]          : set architecture : default  Windows 64 bit
     -prec=[dp,sp]                       : set precision - dp (default),sp
     -static-link                        : Compiler runtime is linked in binary
     -debug=[0,1,chkb]                   : debug version 
                                           0: no debug flags
                                           1: usual debug flags
                                           chkb: Check bounds build (default)

     -release                            : set build for release (optimized)

 Execution control
     -nt [N,all]        : Run build with N Threads, all : takes all ressources of machine
     -verbose           : Verbose build
     -clean             : clean build directory

OpenRadioss Engine on Windows

Enter the OpenRadioss/engine directory
Launch build_windows.bat to proceed to the compilation To build OpenRadioss Engine with Intel MPI support
```
      ./build_windows.bat -arch=win64 -mpi=impi
```
To build OpenRadioss without Intel MPI support (SMP parallelism):
```
      ../build_windows.bat -arch=win64 -release
```
OpenRadioss Engine: engine_win64_impi.exe or engine_win64.exe binary are copied in OpenRadioss/exec directory

Different builds are possible : launch build_windows.bat without argument to see the possible options:

 Use with arguments :
    -arch=[build architecture]          : set architecture : default  Windows 64 bit
    -mpi=[smp,impi]                     : set MPI version
    -prec=[dp,sp]                       : set precision - dp (default),sp
    -static-link                        : Compiler runtime is linked in binary
    -debug=[0,1,chkb]                   : debug version 
                                          0: no debug flags
                                          1: usual debug flag
                                          chkb: check bounds build (default)

    -release                            : set build for release (optimized)
    
 Execution control
    -nt [N,all]        : Run build with N Threads, all : takes all ressources of machine
    -verbose           : Verbose build
    -clean             : clean build directory

Build OpenRadioss with Visual Studio

This sections assumes, that Intel OneAPI Compiler was successfully installed. Procedure was tested on Visual Studio 2019 and Visual Studio 2022

Launch Visual Studio
Choose Open Local Folder option and select the OpenRadioss directory from your clone.

Visual Studio starts and read the configuration files CMakeLists.txt and CMakeSettings.json.
Select build configuration in the Configuration menu :

Choose the wanted configuration from Starter/Engine release and debug configuration.
Launch in Menu : [Build]:[Build All]
OpenRadioss binaries are copied in OpenRadioss/exec directory

Build OpenRadioss with cygwin

Same procedure applies than building for Linux:

Enter the OpenRadioss/starter directory
```
      cd OpenRadioss/starter
```
Launch build_script.sh to proceed to the compilation

Usual build is make with:
```
      ./build_script.sh -arch=win64 -release
```
Enter the OpenRadioss/engine directory
```
      cd OpenRadioss/engine
```
Launch build_script.sh to proceed to the compilation

Usual build with Intel MPI support is made with:
```
      ./build_script.sh -arch=win64 -mpi=impi -release
```
To build without MPI Support (SMP only)
```
        ./build_script.sh -arch=win64 -release
```

How to build OpenRadioss on Linux with Container using Apptainer

Linux

Linux system with Apptainer:

CentOS/RHEL 7, CentOS Stream 8, RHEL 8, Rocky Linux 8, Rocky Linux 9
Ubuntu 20.0.4 or higher
Windows Subsystem for Linux: Apptainer works with WSL/WSL2 Ubuntu 20.04 LTS, WSL2 Ubuntu 22.x

Build OpenRadioss Container

Enter the OpenRadioss/Apptainer directory
```
      cd OpenRadioss/Apptainer
```

Build OpenRadioss container using Apptainer

      sudo apptainer build openradioss.sif openradioss.def

Copy OpenRadioss container to the directory which is in your $PATH
```
      sudo cp openradioss.sif /usr/local/bin
```

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HOWTO.md

HOWTO.md

Building OpenRadioss

Build environment on Linux

System prerequisites

Compiler and development tools

OpenMPI installation

Build environment on Linux ARM64

System prerequisites for linux ARM64

Compiler and development tools for Linux Arm64

Development environment

Install Development tools on your machine

Install ArmFlang compiler

OpenMPI installation for Linux Arm64

Build environment on Windows

Compiler environment

Build environment using cmd DOS shell

Build environment using Visual Studio 2019

Building environment using cygwin

How to build OpenRadioss

Get the source

Build defaults

Building on Linux

OpenRadioss Starter on Linux

Building OpenRadioss Engine on Linux

Building on Linux Arm64

OpenRadioss Starter on Linux Arm64

Building OpenRadioss Engine on Linux Arm64

Build OpenRadioss on Windows with cmd Shell

OpenRadioss Starter on Windows

OpenRadioss Engine on Windows

Build OpenRadioss with Visual Studio

Build OpenRadioss with cygwin

How to build OpenRadioss on Linux with Container using Apptainer

Linux

Build OpenRadioss Container

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HOWTO.md

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HOWTO.md

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Building OpenRadioss

Build environment on Linux

System prerequisites

Compiler and development tools

OpenMPI installation

Build environment on Linux ARM64

System prerequisites for linux ARM64

Compiler and development tools for Linux Arm64

Development environment

Install Development tools on your machine

Install ArmFlang compiler

OpenMPI installation for Linux Arm64

Build environment on Windows

Compiler environment

Build environment using cmd DOS shell

Build environment using Visual Studio 2019

Building environment using cygwin

How to build OpenRadioss

Get the source

Build defaults

Building on Linux

OpenRadioss Starter on Linux

Building OpenRadioss Engine on Linux

Building on Linux Arm64

OpenRadioss Starter on Linux Arm64

Building OpenRadioss Engine on Linux Arm64

Build OpenRadioss on Windows with cmd Shell

OpenRadioss Starter on Windows

OpenRadioss Engine on Windows

Build OpenRadioss with Visual Studio

Build OpenRadioss with cygwin

How to build OpenRadioss on Linux with Container using Apptainer

Linux

Build OpenRadioss Container