Linux Prerequisites

1. The following packages are required by the build scripts.

clang llvm lld libclang-11-dev libstdc++6 autoconf automake libtool pkg-config curl git doxygen

2. These optional packages should be installed only if you want to build corresponding external libraries.

cmake gcc gperf texinfo yasm nasm bison autogen wget autopoint meson ninja-build ragel

• autogen required for libsndfile
• bison > 2.4, wget, autopoint required for gnutls
• cmake > 3.9 required by libwebp and x265
• gcc required by freetype and fribidi
• gperf required by fontconfig
• meson > 0.56, ninja for dav1d
• nasm required for x264 on x86 and x86-64 platforms
• ragel required by harfbuzz
• texinfo required by gmp on some platforms
• yasm required for libvpx and x265 on some platforms