2020-07-22 17:17:48 -04:00
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# Prerequisites
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- GNU Autoconf (<https://www.gnu.org/software/autoconf/>) and the
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autoconf-archive macro collection
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(<https://www.gnu.org/software/autoconf-archive/>). These are only
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needed to run the bootstrap script, and are not necessary if your
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source distribution came with a pre-built `./configure` script.
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- GNU Make.
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- Bash Shell. The `./configure` script relies on bashisms, so Bash is
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required.
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- A version of GCC or Clang that supports C++17.
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- `pkg-config` to locate dependencies. If your distribution does not
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provide it, you can get it from
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<http://www.freedesktop.org/wiki/Software/pkg-config>.
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- The OpenSSL library to calculate cryptographic hashes. If your
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distribution does not provide it, you can get it from
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<https://www.openssl.org>.
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- The `libbrotlienc` and `libbrotlidec` libraries to provide
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implementation of the Brotli compression algorithm. They are
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available for download from the official repository
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<https://github.com/google/brotli>.
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- The bzip2 compressor program and the `libbz2` library. Thus you must
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have bzip2 installed, including development headers and libraries.
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If your distribution does not provide these, you can obtain bzip2
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from
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2020-12-24 20:43:22 -05:00
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<https://sourceware.org/bzip2/>.
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2020-07-22 17:17:48 -04:00
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- `liblzma`, which is provided by XZ Utils. If your distribution does
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not provide this, you can get it from <https://tukaani.org/xz/>.
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- cURL and its library. If your distribution does not provide it, you
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can get it from <https://curl.haxx.se/>.
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- The SQLite embedded database library, version 3.6.19 or higher. If
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your distribution does not provide it, please install it from
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<http://www.sqlite.org/>.
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- The [Boehm garbage collector](http://www.hboehm.info/gc/) to reduce
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the evaluator’s memory consumption (optional). To enable it, install
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`pkgconfig` and the Boehm garbage collector, and pass the flag
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`--enable-gc` to `configure`.
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- The `boost` library of version 1.66.0 or higher. It can be obtained
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from the official web site <https://www.boost.org/>.
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- The `editline` library of version 1.14.0 or higher. It can be
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obtained from the its repository
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<https://github.com/troglobit/editline>.
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- Recent versions of Bison and Flex to build the parser. (This is
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because Nix needs GLR support in Bison and reentrancy support in
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Flex.) For Bison, you need version 2.6, which can be obtained from
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the [GNU FTP server](ftp://alpha.gnu.org/pub/gnu/bison). For Flex,
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you need version 2.5.35, which is available on
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[SourceForge](http://lex.sourceforge.net/). Slightly older versions
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may also work, but ancient versions like the ubiquitous 2.5.4a
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won't. Note that these are only required if you modify the parser or
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when you are building from the Git repository.
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- The `libseccomp` is used to provide syscall filtering on Linux. This
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is an optional dependency and can be disabled passing a
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`--disable-seccomp-sandboxing` option to the `configure` script (Not
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recommended unless your system doesn't support `libseccomp`). To get
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the library, visit <https://github.com/seccomp/libseccomp>.
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