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nixpkgs/pkgs/development/libraries/libxml2/default.nix
Eelco Dolstra eaa4db148d * libxml2 / libxslt: provide a setup hook that prevents xmllint and
xsltproc from downloading DTDs from the network, which is impure.
  This caused a lot of problems with Gnome builds in the build farm,
  because those downloads are slow and would sometimes fail.

  The setup hook also sets up $XML_CATALOG_FILES.

svn path=/nixpkgs/trunk/; revision=9471
2007-10-18 21:08:47 +00:00

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Nix

{stdenv, fetchurl, zlib, python ? null, pythonSupport ? true}:
assert zlib != null;
assert pythonSupport -> python != null;
stdenv.mkDerivation {
name = "libxml2-2.6.30";
builder = ./builder.sh;
src = fetchurl {
url = ftp://xmlsoft.org/libxml2/libxml2-2.6.30.tar.gz;
sha256 = "0pkk6cw0qd56kz2fkn768dcygbb4ncyvvmvyfiyli1a7yjh64xw7";
};
python = if pythonSupport then python else null;
inherit pythonSupport zlib;
buildInputs = if pythonSupport then [python] else [];
propagatedBuildInputs = [zlib];
postInstall = "ensureDir $out/nix-support; cp ${./setup-hook.sh} $out/nix-support/setup-hook";
}