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{ stdenv, fetchurl, fetchpatch, xz }:
stdenv.mkDerivation rec {
name = "libunwind-1.1";
src = fetchurl {
url = "mirror://savannah/libunwind/${name}.tar.gz";
sha256 = "16nhx2pahh9d62mvszc88q226q5lwjankij276fxwrm8wb50zzlx";
};
patches = [ ./libunwind-1.1-lzma.patch ./cve-2015-3239.patch
# https://lists.nongnu.org/archive/html/libunwind-devel/2014-04/msg00000.html
(fetchpatch {
url = "https://raw.githubusercontent.com/dropbox/pyston/1b2e676417b0f5f17526ece0ed840aa88c744145/libunwind_patches/0001-Change-the-RBP-validation-heuristic-to-allow-size-0-.patch";
sha256 = "1a0fsgfxmgd218nscswx7pgyb7rcn2gh6566252xhfvzhgn5i4ha";
})
];
postPatch = ''
sed -i -e '/LIBLZMA/s:-lzma:-llzma:' configure
'';
propagatedBuildInputs = [ xz ];
NIX_CFLAGS_COMPILE = if stdenv.system == "x86_64-linux" then "-fPIC" else "";
preInstall = ''
mkdir -p "$out/lib"
touch "$out/lib/libunwind-generic.so"
'';
postInstall = ''
find $out -name \*.la | while read file; do
sed -i 's,-llzma,${xz}/lib/liblzma.la,' $file
done
'';
meta = with stdenv.lib; {
homepage = http://www.nongnu.org/libunwind;
description = "A portable and efficient API to determine the call-chain of a program";
platforms = platforms.linux;
license = licenses.gpl2;
};
}
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