nixpkgs/pkgs/development/libraries/zlib/default.nix
2016-05-05 08:30:19 +02:00

83 lines
2.5 KiB
Nix

{ 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";
};
postPatch = stdenv.lib.optionalString stdenv.isDarwin ''
substituteInPlace configure \
--replace '/usr/bin/libtool' 'ar' \
--replace 'AR="libtool"' 'AR="ar"' \
--replace 'ARFLAGS="-o"' 'ARFLAGS="-r"'
'';
outputs = [ "dev" "out" "static" ];
setOutputFlags = false;
outputDoc = "dev"; # single tiny man3 page
preConfigure = ''
if test -n "$crossConfig"; then
export CC=$crossConfig-gcc
fi
'';
configureFlags = stdenv.lib.optional (!static) "--shared";
postInstall = ''
moveToOutput lib/libz.a "$static"
''
# 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.
+ stdenv.lib.optionalString stdenv.isDarwin ''
for file in $out/lib/*.so* $out/lib/*.dylib* ; do
install_name_tool -id "$file" $file
done
'';
# As zlib takes part in the stdenv building, we don't want references
# to the bootstrap-tools libgcc (as uses to happen on arm/mips)
NIX_CFLAGS_COMPILE = stdenv.lib.optionalString (!stdenv.isDarwin) "-static-libgcc "
+ stdenv.lib.optionalString (stdenv.isFreeBSD) "-fPIC";
crossAttrs = {
dontStrip = static;
dontSetConfigureCross = true;
} // stdenv.lib.optionalAttrs (stdenv.cross.libc == "msvcrt") {
installFlags = [
"BINARY_PATH=$(out)/bin"
"INCLUDE_PATH=$(dev)/include"
"LIBRARY_PATH=$(out)/lib"
];
makeFlags = [
"-f" "win32/Makefile.gcc"
"PREFIX=${stdenv.cross.config}-"
] ++ stdenv.lib.optional (!static) "SHARED_MODE=1";
# Non-typical naming confuses libtool which then refuses to use zlib's DLL
# in some cases, e.g. when compiling libpng.
postInstall = postInstall + "ln -s zlib1.dll $out/bin/libz.dll";
} // stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") {
makeFlags = [ "RANLIB=${stdenv.cross.config}-ranlib" ];
};
passthru.version = version;
meta = with stdenv.lib; {
description = "Lossless data-compression library";
license = licenses.zlib;
platforms = platforms.all;
};
}