nixpkgs/pkgs/development/libraries/hyperscan/default.nix

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{ stdenv, fetchFromGitHub, cmake, ragel, python3
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, coreutils, gnused, util-linux
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, boost
, withStatic ? false # build only shared libs by default, build static+shared if true
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}:
# NOTICE: pkg-config, pcap and pcre intentionally omitted from build inputs
# pcap used only in examples, pkg-config used only to check for pcre
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# which is fixed 8.41 version requirement (nixpkgs have 8.42+, and
# I not see any reason (for now) to backport 8.41.
stdenv.mkDerivation rec {
pname = "hyperscan";
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version = "5.3.0";
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src = fetchFromGitHub {
owner = "intel";
repo = pname;
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sha256 = "0psfkzmyhqfrs750b10d0xv37rcz6nwsw1mnc7zagijckwis2wvj";
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rev = "v${version}";
};
outputs = [ "out" "dev" ];
buildInputs = [ boost ];
nativeBuildInputs = [
cmake ragel python3
# Consider simply using busybox for these
# Need at least: rev, sed, cut, nm
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coreutils gnused util-linux
];
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cmakeFlags = [
"-DFAT_RUNTIME=ON"
"-DBUILD_AVX512=ON"
]
++ stdenv.lib.optional (withStatic) "-DBUILD_STATIC_AND_SHARED=ON"
++ stdenv.lib.optional (!withStatic) "-DBUILD_SHARED_LIBS=ON";
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postPatch = ''
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sed -i '/examples/d' CMakeLists.txt
substituteInPlace libhs.pc.in \
--replace "libdir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@" "libdir=@CMAKE_INSTALL_LIBDIR@" \
--replace "includedir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@" "includedir=@CMAKE_INSTALL_INCLUDEDIR@"
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'';
meta = with stdenv.lib; {
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description = "High-performance multiple regex matching library";
longDescription = ''
Hyperscan is a high-performance multiple regex matching library.
It follows the regular expression syntax of the commonly-used
libpcre library, but is a standalone library with its own C API.
Hyperscan uses hybrid automata techniques to allow simultaneous
matching of large numbers (up to tens of thousands) of regular
expressions and for the matching of regular expressions across
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streams of data.
Hyperscan is typically used in a DPI library stack.
'';
homepage = "https://www.hyperscan.io/";
maintainers = with maintainers; [ avnik ];
platforms = [ "x86_64-linux" ]; # can't find nm on darwin ; might build on aarch64 but untested
license = licenses.bsd3;
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};
}