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{ stdenv, fetchurl, static ? false }:
let version = "1.2.8"; 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 = "039agw5rqvqny92cpkrfn243x2gd4xn13hs3xi6isk55d2vqqr9n";
};
outputs = [ "dev" "out" "static" "man" ];
setOutputFlags = false;
configureFlags = stdenv.lib.optional (!static) "--shared";
preConfigure = ''
if test -n "$crossConfig"; then
export CC=$crossConfig-gcc
fi
'';
postInstall = ''
_moveToOutput lib/libz.a "$static"
'';
# As zlib takes part in the stdenv building, we don't want references
# to the bootstrap-tools libgcc (as uses to happen on arm/mips)
NIX_CFLAGS_COMPILE = stdenv.lib.optionalString (!stdenv.isDarwin) "-static-libgcc";
crossAttrs = {
dontStrip = static;
} // stdenv.lib.optionalAttrs (stdenv.cross.libc == "msvcrt") {
configurePhase=''
installFlags="BINARY_PATH=$out/bin INCLUDE_PATH=$out/include LIBRARY_PATH=$out/lib"
'';
makeFlags = [
"-f" "win32/Makefile.gcc"
"PREFIX=${stdenv.cross.config}-"
] ++ (if static then [] else [ "SHARED_MODE=1" ]);
} // stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") {
makeFlags = [ "RANLIB=${stdenv.cross.config}-ranlib" ];
};
# zlib doesn't like the automatic --disable-shared from the Cygwin stdenv.
cygwinConfigureEnableShared = true;
passthru.version = version;
meta = with stdenv.lib; {
description = "Lossless data-compression library";
license = licenses.zlib;
platforms = platforms.all;
};
} // (if stdenv.isDarwin then {
postInstall = ''
# jww (2015-01-06): Sometimes this library install as a .so, even on
# Darwin; others time it installs as a .dylib. I haven't yet figured out
# what causes this difference.
for file in $out/lib/*.so* $out/lib/*.dylib* ; do
install_name_tool -id "$file" $file
done
'';
} else {}))
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