mirror of
https://github.com/NixOS/nixpkgs.git
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102 lines
2.6 KiB
Nix
102 lines
2.6 KiB
Nix
{ lib
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, stdenv
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, fetchurl
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, fetchFromGitHub
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, which
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, linuxHeaders
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, clang
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, llvm
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, python3
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, curl
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, debugRuntime ? true
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, runtimeAsserts ? false
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, extraKleeuClibcConfig ? {}
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}:
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let
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localeSrcBase = "uClibc-locale-030818.tgz";
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localeSrc = fetchurl {
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url = "http://www.uclibc.org/downloads/${localeSrcBase}";
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sha256 = "xDYr4xijjxjZjcz0YtItlbq5LwVUi7k/ZSmP6a+uvVc=";
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};
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resolvedExtraKleeuClibcConfig = lib.mapAttrsToList (name: value: "${name}=${value}") (extraKleeuClibcConfig // {
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"UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA" = "n";
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"RUNTIME_PREFIX" = "/";
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"DEVEL_PREFIX" = "/";
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});
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in stdenv.mkDerivation rec {
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pname = "klee-uclibc";
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version = "1.4";
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src = fetchFromGitHub {
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owner = "klee";
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repo = "klee-uclibc";
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rev = "klee_uclibc_v${version}";
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sha256 = "sha256-sogQK5Ed0k5tf4rrYwCKT4YRKyEovgT25p0BhGvJ1ok=";
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};
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nativeBuildInputs = [
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clang
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curl
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llvm
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python3
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which
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];
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# Some uClibc sources depend on Linux headers.
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UCLIBC_KERNEL_HEADERS = "${linuxHeaders}/include";
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# HACK: needed for cross-compile.
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# See https://www.mail-archive.com/klee-dev@imperial.ac.uk/msg03141.html
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KLEE_CFLAGS = "-idirafter ${clang}/resource-root/include";
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prePatch = ''
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patchShebangs ./configure
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patchShebangs ./extra
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'';
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# klee-uclibc configure does not support --prefix, so we override configurePhase entirely
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configurePhase = ''
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./configure ${lib.escapeShellArgs (
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["--make-llvm-lib"]
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++ lib.optional (!debugRuntime) "--enable-release"
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++ lib.optional runtimeAsserts "--enable-assertions"
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)}
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# Set all the configs we care about.
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configs=(
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PREFIX=$out
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)
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for value in ${lib.escapeShellArgs resolvedExtraKleeuClibcConfig}; do
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configs+=("$value")
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done
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for configFile in .config .config.cmd; do
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for config in "''${configs[@]}"; do
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prefix="''${config%%=*}="
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if grep -q "$prefix" "$configFile"; then
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sed -i "s"'\001'"''${prefix}"'\001'"#''${prefix}"'\001'"g" "$configFile"
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fi
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echo "$config" >> "$configFile"
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done
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done
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'';
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# Link the locale source into the correct place
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preBuild = ''
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ln -sf ${localeSrc} extra/locale/${localeSrcBase}
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'';
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makeFlags = ["HAVE_DOT_CONFIG=y"];
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meta = with lib; {
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description = "A modified version of uClibc for KLEE.";
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longDescription = ''
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klee-uclibc is a bitcode build of uClibc meant for compatibility with the
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KLEE symbolic virtual machine.
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'';
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homepage = "https://klee.github.io/";
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license = licenses.lgpl3;
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maintainers = with maintainers; [ numinit ];
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};
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}
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