Beyond Linux® From Scratch (systemd Edition) - Version 12.4

Chapter 42. Multimedia Libraries and Drivers

x265-4.1

Introduction to x265

x265 package provides a library for encoding video streams into the H.265/HEVC format.

This package is known to build and work properly using an LFS 12.4 platform.

Package Information

x265 Dependencies

Required

CMake-4.1.0

Recommended

NASM-2.16.03

Optional

numactl

Installation of x265

First, remove some CMake policy settings that are no longer compatible with CMake-4.0 and later: 

sed -r '/cmake_policy.*(0025|0054)/d' -i source/CMakeLists.txt

Install x265 by running the following commands: 

mkdir bld &&
cd    bld &&

cmake -D CMAKE_INSTALL_PREFIX=/usr        \
      -D GIT_ARCHETYPE=1                  \
      -D CMAKE_POLICY_VERSION_MINIMUM=3.5 \
      -W no-dev                           \
      ../source                           &&
make

This package does not come with a test suite.

To install the package, first remove any old library versions. After installation, remove a static library. As the root user: 

make install &&
rm -vf /usr/lib/libx265.a

Command Explanations

-D GIT_ARCHETYPE=1: This switch is needed because the build system will not generate a pkg-config file or install a shared library unless git-2.50.1 is installed. Git isn't required for anything else in this package, so this switch is used to work around it for users who do not want to install Git as a build dependency.

-D CMAKE_POLICY_VERSION_MINIMUM=3.5: This switch allows building this package with cmake-4.0 or newer.

-W no-dev: This switch is used to suppress warnings intended for the package developers.

rm -vf /usr/lib/libx265.a: BLFS does not recommend using static libraries.

Contents

Installed Program: x265
Installed Library: libx265.so
Installed Directories: None

Short Descriptions

libx265.so

provides the functions used to encode video streams into the H.265/HEVC format