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{stdenv, fetchurl, static ? false}:
let version = "1.2.5"; in
stdenv.mkDerivation (rec {
name = "zlib-${version}";
src = fetchurl {
urls =
[ "http://www.zlib.net/${name}.tar.gz" # old versions vanish from here
"mirror://sourceforge/libpng/zlib/${version}/${name}.tar.gz"
];
sha256 = "0n7rlgvjn73pyil3s1l6p77m7wkc809n934rnzxv1b1za4pfar30";
};
configureFlags = if static then "" else "--shared";
preConfigure = ''
if test -n "$crossConfig"; then
export CC=$crossConfig-gcc
configureFlags=${if static then "" else "--shared"}
fi
'';
crossAttrs = {
dontStrip = if static then true else false;
} // (if stdenv.cross.libc == "msvcrt" then {
configurePhase=''
installFlags="BINARY_PATH=$out/bin INCLUDE_PATH=$out/include LIBRARY_PATH=$out/lib"
'';
makeFlags = [
"-f" "win32/Makefile.gcc"
"PREFIX=${stdenv.cross.config}-"
] ++ (if static then [] else [ "SHARED_MODE=1" ]);
} else {});
# zlib doesn't like the automatic --disable-shared from the Cygwin stdenv.
cygwinConfigureEnableShared = true;
} // stdenv.lib.optionalAttrs (stdenv.system == "i686-cygwin") {
patches = [ ./no-shared.patch ];
})
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