topic Intel oneAPI/HPC toolkit installation fails in Intel® oneAPI DPC++/C++ Compiler https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/Intel-oneAPI-HPC-toolkit-installation-fails/m-p/1722896#M4604 <P>I am trying to install oneAPI/HPC toolkit on Ubuntu 24.04 (WSL2), however when I run the installer I get the following error message:</P><P>```</P><P><SPAN>Launching the installer... </SPAN></P><P><SPAN>G++ package is not installed </SPAN></P><P><SPAN>Intel® oneAPI DPC++/C++ Compiler requires G++. It can be installed with </SPAN></P><P><SPAN>sudo apt-get install g++ on Ubuntu / Debian </SPAN></P><P><SPAN>sudo zypper install gcc-c++ on SUSE </SPAN></P><P><SPAN>sudo dnf install gcc-c++ on CentOS / RHEL / Fedora</SPAN></P><P>```</P><P>g++ is available on $PATH, libstc++ is on $LIBRARY_PATH and the c++ includes can be found on $CPLUS_INCLUDE_PATH - however they are not installed in the standard locations, e.g. /usr/bin/g++</P><P>Is it possible to specify the g++ installation to use or otherwise solve this issue or do I need to install g++ in a standard location following the suggestions above?</P> Tue, 21 Oct 2025 13:34:58 GMT pbart 2025-10-21T13:34:58Z Intel oneAPI/HPC toolkit installation fails https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/Intel-oneAPI-HPC-toolkit-installation-fails/m-p/1722896#M4604 <P>I am trying to install oneAPI/HPC toolkit on Ubuntu 24.04 (WSL2), however when I run the installer I get the following error message:</P><P>```</P><P><SPAN>Launching the installer... </SPAN></P><P><SPAN>G++ package is not installed </SPAN></P><P><SPAN>Intel® oneAPI DPC++/C++ Compiler requires G++. It can be installed with </SPAN></P><P><SPAN>sudo apt-get install g++ on Ubuntu / Debian </SPAN></P><P><SPAN>sudo zypper install gcc-c++ on SUSE </SPAN></P><P><SPAN>sudo dnf install gcc-c++ on CentOS / RHEL / Fedora</SPAN></P><P>```</P><P>g++ is available on $PATH, libstc++ is on $LIBRARY_PATH and the c++ includes can be found on $CPLUS_INCLUDE_PATH - however they are not installed in the standard locations, e.g. /usr/bin/g++</P><P>Is it possible to specify the g++ installation to use or otherwise solve this issue or do I need to install g++ in a standard location following the suggestions above?</P> Tue, 21 Oct 2025 13:34:58 GMT https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/Intel-oneAPI-HPC-toolkit-installation-fails/m-p/1722896#M4604 pbart 2025-10-21T13:34:58Z