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Building and Installing Software Stack

XRT

XRT requires C++14 compiler and a few development libraries bundled with modern Linux distribution. Please install the necessary tools and dependencies using the provided src/runtime_src/tools/scripts/xrtdeps.sh

On RHEL/CentOS use devtoolset to switch to C++14 devlopment environment. This step is not applicable to Ubuntu which already has C++14 capable GCC.

scl enable devtoolset-6 bash

Build the runtime

cd build
./build.sh

build.sh script builds for both Debug and Release profiles. On RHEL/CentOS, if build.sh was accidentally run prior to enabling the devtoolset, then it is necessary to clean stale files makefiles by running build.sh clean prior to the next build.

Build RPM package on RHEL/CentOS or DEB package on Ubuntu

The package is actually automatically built for the Release version but not for the Debug version:

cd build/Release
make package
cd ../Debug
make package

Install the XRT RPM package

Warning

Before installing a locally built RPM for XRT, please copy aside /lib/firmware/xilinx/sched*.bin, which contain the ERT firmware for MicroBlaze. If XRT is built without access to the MicroBlaze GCC compiler, then sched.bin and sched_u50.bin will be missing from the RPM. After installing a local build of XRT, you must manually copy the firmware files back to /lib/firmware/xilinx.

Install from inside either the Release or Debug directory according to purpose with (the actual package name might differ)

sudo yum reinstall ./XRT-2.1.0-Linux.rpm

Install the XRT DEB package

Warning

Before installing a locally built DEB for XRT, please copy aside /lib/firmware/xilinx/sched*.bin, which contain the ERT firmware for MicroBlaze. If XRT is built without access to the MicroBlaze GCC compiler, then sched.bin and sched_u50.bin will be missing from the DEB. After installing a local build of XRT, you must manually copy the firmware files back to /lib/firmware/xilinx.

Install from inside either the Release or Debug directory according to purpose with (the actual package name might differ)

sudo apt install --reinstall ./xrt_201830.2.1.0_18.10.deb

XRT Documentation

XRT Documentation can be built automatically using Sphinx doc builder together with Linux kernel based kernel-doc utility.

To compile and install the documentation into the doc directory at the top of the repository:

cd build
./build.sh docs
# To browse the generated local documentation with a web browser:
xdg-open Release/runtime_src/doc/html/index.html