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lix/doc/manual/src/installation/prerequisites-source.md
Eelco Dolstra 942cd687f9
Remove libxml2 / libxslt prerequisites
2020-07-23 18:26:48 +02:00

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Prerequisites

  • GNU Autoconf (https://www.gnu.org/software/autoconf/) and the autoconf-archive macro collection (https://www.gnu.org/software/autoconf-archive/). These are only needed to run the bootstrap script, and are not necessary if your source distribution came with a pre-built ./configure script.

  • GNU Make.

  • Bash Shell. The ./configure script relies on bashisms, so Bash is required.

  • A version of GCC or Clang that supports C++17.

  • pkg-config to locate dependencies. If your distribution does not provide it, you can get it from http://www.freedesktop.org/wiki/Software/pkg-config.

  • The OpenSSL library to calculate cryptographic hashes. If your distribution does not provide it, you can get it from https://www.openssl.org.

  • The libbrotlienc and libbrotlidec libraries to provide implementation of the Brotli compression algorithm. They are available for download from the official repository https://github.com/google/brotli.

  • The bzip2 compressor program and the libbz2 library. Thus you must have bzip2 installed, including development headers and libraries. If your distribution does not provide these, you can obtain bzip2 from https://web.archive.org/web/20180624184756/http://www.bzip.org/.

  • liblzma, which is provided by XZ Utils. If your distribution does not provide this, you can get it from https://tukaani.org/xz/.

  • cURL and its library. If your distribution does not provide it, you can get it from https://curl.haxx.se/.

  • The SQLite embedded database library, version 3.6.19 or higher. If your distribution does not provide it, please install it from http://www.sqlite.org/.

  • The Boehm garbage collector to reduce the evaluator’s memory consumption (optional). To enable it, install pkgconfig and the Boehm garbage collector, and pass the flag --enable-gc to configure.

  • The boost library of version 1.66.0 or higher. It can be obtained from the official web site https://www.boost.org/.

  • The editline library of version 1.14.0 or higher. It can be obtained from the its repository https://github.com/troglobit/editline.

  • Recent versions of Bison and Flex to build the parser. (This is because Nix needs GLR support in Bison and reentrancy support in Flex.) For Bison, you need version 2.6, which can be obtained from the GNU FTP server. For Flex, you need version 2.5.35, which is available on SourceForge. Slightly older versions may also work, but ancient versions like the ubiquitous 2.5.4a won't. Note that these are only required if you modify the parser or when you are building from the Git repository.

  • The libseccomp is used to provide syscall filtering on Linux. This is an optional dependency and can be disabled passing a --disable-seccomp-sandboxing option to the configure script (Not recommended unless your system doesn't support libseccomp). To get the library, visit https://github.com/seccomp/libseccomp.