82 lines
2.8 KiB
Nix
82 lines
2.8 KiB
Nix
{ stdenv, fetchgit
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, fetchpatch
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}:
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stdenv.mkDerivation rec {
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name = "liburing-${version}";
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version = "0.1";
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src = fetchgit {
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url = "http://git.kernel.dk/liburing";
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rev = "refs/tags/liburing-${version}";
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sha256 = "038iqsbm9bdmlwvmb899bc6g1rw5dalr990azynbvgn8qs5adysh";
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};
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patches = [
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# This patch re-introduces support for aarch64-linux, by adding the
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# necessary memory barrier primitives for it to work.
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#
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# Already upstream: remove when moving to the next version
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(fetchpatch {
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url = "http://git.kernel.dk/cgit/liburing/patch/?id=0520db454c29f1d96cda6cf6cedeb93df65301e8";
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sha256 = "1i8133sb1imzxpplmhlhnaxkffgplhj40vanivc6clbibvhgwpq6";
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})
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# This patch shuffles the name of the io_uring memory barrier primitives.
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# They were using extremely common names by accident, which caused
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# namespace conflicts with many other projects using the same names. Note:
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# this does not change the user-visible API of liburing (liburing is
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# designed exactly to hide the necessary memory barriers when using the
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# io_uring syscall directly). It only changes the names of some internals.
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# The only reason this caused problems at all is because memory barrier
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# primitives are written as preprocessor defines, in a common header file,
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# which get included unilaterally.
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#
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# Already upstream: remove when moving to the next version
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(fetchpatch {
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url = "http://git.kernel.dk/cgit/liburing/patch/?id=552c6a08d04c74d20eeaa86f535bfd553b352370";
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sha256 = "123d6jdqfy7b8aq9f6ax767n48hhbx6pln3nlrp623595i8zz3wf";
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})
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# Finally, this patch fixes the aarch64-linux support introduced by the
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# first patch, but which was _broken_ by the second patch, in a horrid
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# twist of fate: it neglected to change the names of the aarch64 barriers
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# appropriately.
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#
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# Already upstream: remove when moving to the next version
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(fetchpatch {
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url = "http://git.kernel.dk/cgit/liburing/patch/?id=6e9dd0c8c50b5988a0c77532c9c2bd6afd4790d2";
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sha256 = "11mqa1bp2pdfqh08gpcd98kg7lh3rrng41b4l1wvhxdbvg5rfw9c";
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})
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];
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separateDebugInfo = true;
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enableParallelBuilding = true;
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outputs = [ "out" "lib" "dev" "man" ];
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configurePhase = ''
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./configure \
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--prefix=$out \
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--includedir=$dev/include \
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--libdir=$lib/lib \
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--mandir=$man/share/man \
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'';
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# Copy the examples into $out.
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postInstall = ''
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mkdir -p $out/bin
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cp ./examples/io_uring-cp examples/io_uring-test $out/bin
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cp ./examples/link-cp $out/bin/io_uring-link-cp
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'';
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meta = with stdenv.lib; {
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description = "Userspace library for the Linux io_uring API";
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homepage = http://git.kernel.dk/cgit/liburing/;
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license = licenses.lgpl21;
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platforms = platforms.linux;
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maintainers = with maintainers; [ thoughtpolice ];
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};
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}
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