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nixpkgs/pkgs/development/libraries/libxml2/default.nix

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{ stdenv, lib, fetchurl, fetchpatch
, zlib, xz, python2, findXMLCatalogs, libiconv
, pythonSupport ? (! stdenv ? cross)
, icuSupport ? false, icu ? null }:
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let
python = python2;
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in stdenv.mkDerivation rec {
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name = "libxml2-${version}";
version = "2.9.4";
src = fetchurl {
url = "http://xmlsoft.org/sources/${name}.tar.gz";
sha256 = "0g336cr0bw6dax1q48bblphmchgihx9p1pjmxdnrd6sh3qci3fgz";
};
patches = [
(fetchpatch {
# Contains fixes for CVE-2016-{4658,5131} and other bugs.
name = "misc.patch";
url = "https://git.gnome.org/browse/libxml2/patch/?id=e905f081&id2=v2.9.4";
sha256 = "14rnzilspmh92bcpwbd6kqikj36gx78al42ilgpqgl1609krb5m5";
})
];
outputs = [ "bin" "dev" "out" "doc" ]
++ lib.optional pythonSupport "py";
propagatedBuildOutputs = "out bin" + lib.optionalString pythonSupport " py";
buildInputs = lib.optional pythonSupport python
# Libxml2 has an optional dependency on liblzma. However, on impure
# platforms, it may end up using that from /usr/lib, and thus lack a
# RUNPATH for that, leading to undefined references for its users.
++ lib.optional stdenv.isFreeBSD xz;
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propagatedBuildInputs = [ zlib findXMLCatalogs ] ++ lib.optional icuSupport icu;
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configureFlags =
lib.optional pythonSupport "--with-python=${python}"
++ lib.optional icuSupport "--with-icu"
++ [ "--exec_prefix=$dev" ];
enableParallelBuilding = true;
doCheck = !stdenv.isDarwin;
crossAttrs = lib.optionalAttrs (stdenv.cross.libc == "msvcrt") {
# creating the DLL is broken ATM
dontDisableStatic = true;
configureFlags = configureFlags ++ [ "--disable-shared" ];
# libiconv is a header dependency - propagating is enough
propagatedBuildInputs = [ findXMLCatalogs libiconv ];
};
preInstall = lib.optionalString pythonSupport
''substituteInPlace python/libxml2mod.la --replace "${python}" "$py"'';
installFlags = lib.optionalString pythonSupport
''pythondir="$(py)/lib/${python.libPrefix}/site-packages"'';
postFixup = ''
moveToOutput bin/xml2-config "$dev"
moveToOutput lib/xml2Conf.sh "$dev"
moveToOutput share/man/man1 "$bin"
'';
passthru = { inherit version; pythonSupport = pythonSupport; };
meta = {
homepage = http://xmlsoft.org/;
description = "An XML parsing library for C";
license = "bsd";
platforms = lib.platforms.unix;
maintainers = [ lib.maintainers.eelco ];
};
}