47 lines
1.4 KiB
Nix
47 lines
1.4 KiB
Nix
{ stdenv, fetchurl, kernel }:
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let baseName = "frandom-1.1";
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in
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stdenv.mkDerivation rec {
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name = "${baseName}-${kernel.version}";
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src = fetchurl {
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url = "http://sourceforge.net/projects/frandom/files/${baseName}.tar.gz";
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sha256 = "15rgyk4hfawqg7z1spk2xlk1nn6rcdls8gdhc70f91shrc9pvlls";
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};
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preBuild = ''
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kernelVersion=$(cd ${kernel}/lib/modules && ls)
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substituteInPlace Makefile \
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--replace "\$(shell uname -r)" "$kernelVersion" \
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--replace "/lib/modules" "${kernel}/lib/modules"
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'';
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installPhase = ''
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kernelVersion=$(cd ${kernel}/lib/modules && ls)
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ensureDir $out/lib/modules/$kernelVersion/misc
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cp frandom.ko $out/lib/modules/$kernelVersion/misc
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ensureDir $out/lib/udev/rules.d
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tee $out/lib/udev/rules.d/10-frandom.rules <<-EOF
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#
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# These are the rules for the frandom devices. In theory, we could let
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# udev's catch-all rule create the /dev node based upon the kernel name,
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# which gives correct result, except that the default MODE set in
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# 50-udev.rules (0600) is too restrictive.
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#
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KERNEL=="[ef]random", MODE="444", OPTIONS="last_rule"
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EOF
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'';
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buildInputs = [];
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meta = {
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description = "A very fast random number generator kernel module";
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homepage = http://frandom.sourceforge.net/;
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license = "GPLv2";
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maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
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};
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}
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