nixpkgs/pkgs/development/libraries/libx86/default.nix

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{ stdenv, fetchurl }:
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stdenv.mkDerivation rec {
pname = "libx86";
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version = "1.1";
src = fetchurl {
url = "https://www.codon.org.uk/~mjg59/libx86/downloads/${pname}-${version}.tar.gz";
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sha256 = "0j6h6bc02c6qi0q7c1ncraz4d1hkm5936r35rfsp4x1jrc233wav";
};
patches = [./constants.patch ./non-x86.patch ];
# using BACKEND=x86emu on 64bit systems fixes:
# http://www.mail-archive.com/suspend-devel@lists.sourceforge.net/msg02355.html
makeFlags = [
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"DESTDIR=$(out)"
] ++ stdenv.lib.optional (!stdenv.isi686) "BACKEND=x86emu";
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preBuild = ''
sed -i lrmi.c -e 's@defined(__i386__)@(defined(__i386__) || defined(__x86_64__))@'
sed -e s@/usr@@ -i Makefile
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'';
meta = with stdenv.lib; {
description = "Real-mode x86 code emulator";
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maintainers = with maintainers; [ raskin ];
platforms = [ "x86_64-linux" "i686-linux" ];
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license = licenses.mit;
};
}