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

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a :
let
s = import ./src-for-default.nix;
buildInputs = with a; [
];
in
rec {
src = a.fetchUrlFromSrcInfo s;
inherit (s) name;
inherit buildInputs;
phaseNames = ["doPatch" "fixX86Def" "killUsr" "doMakeInstall"];
patches = [./constants.patch];
# using BACKEND=x86emu on 64bit systems fixes:
# http://www.mail-archive.com/suspend-devel@lists.sourceforge.net/msg02355.html
makeFlags = [
"DESTDIR=$out"
] ++ a.stdenv.lib.optionals ( a.stdenv.system == "x86_64-linux" ) [ "BACKEND=x86emu" ];
fixX86Def = a.fullDepEntry (''
sed -i lrmi.c -e 's@defined(__i386__)@(defined(__i386__) || defined(__x86_64__))@'
'') ["doUnpack" "minInit"];
killUsr = a.fullDepEntry (''
sed -e s@/usr@@ -i Makefile
'') ["doUnpack" "minInit"];
meta = {
description = "Real-mode x86 code emulator";
maintainers = [
a.lib.maintainers.raskin
];
platforms = with a.lib.platforms;
linux ++ freebsd ++ netbsd;
};
}