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