{ stdenv , fetchurl , buildPlatform, hostPlatform , static ? false }: stdenv.mkDerivation rec { name = "zlib-${version}"; version = "1.2.11"; src = fetchurl { urls = [ "http://www.zlib.net/fossils/${name}.tar.gz" # stable archive path "mirror://sourceforge/libpng/zlib/${version}/${name}.tar.gz" ]; sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1"; }; patches = stdenv.lib.optional hostPlatform.isCygwin ./disable-cygwin-widechar.patch; postPatch = stdenv.lib.optionalString hostPlatform.isDarwin '' substituteInPlace configure \ --replace '/usr/bin/libtool' 'ar' \ --replace 'AR="libtool"' 'AR="ar"' \ --replace 'ARFLAGS="-o"' 'ARFLAGS="-r"' ''; outputs = [ "out" "dev" "static" ]; setOutputFlags = false; outputDoc = "dev"; # single tiny man3 page 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 hostPlatform.isDarwin '' for file in $out/lib/*.so* $out/lib/*.dylib* ; do install_name_tool -id "$file" $file done '' # Non-typical naming confuses libtool which then refuses to use zlib's DLL # in some cases, e.g. when compiling libpng. + stdenv.lib.optionalString (hostPlatform.libc == "msvcrt") '' ln -s zlib1.dll $out/bin/libz.dll ''; # As zlib takes part in the stdenv building, we don't want references # to the bootstrap-tools libgcc (as uses to happen on arm/mips) NIX_CFLAGS_COMPILE = stdenv.lib.optionalString (!hostPlatform.isDarwin) "-static-libgcc"; dontStrip = hostPlatform != buildPlatform && static; configurePlatforms = []; installFlags = stdenv.lib.optionals (hostPlatform.libc == "msvcrt") [ "BINARY_PATH=$(out)/bin" "INCLUDE_PATH=$(dev)/include" "LIBRARY_PATH=$(out)/lib" ]; makeFlags = [ "PREFIX=${stdenv.cc.prefix}" ] ++ stdenv.lib.optionals (hostPlatform.libc == "msvcrt") [ "-f" "win32/Makefile.gcc" ] ++ stdenv.lib.optionals (!static) [ "SHARED_MODE=1" ]; passthru = { inherit version; }; meta = with stdenv.lib; { description = "Lossless data-compression library"; license = licenses.zlib; platforms = platforms.all; }; }