{ stdenv, fetchurl, zlib ? null, zlibSupport ? true, bzip2 , gdbmSupport ? true, gdbm ? null , sqlite ? null , db4 ? null , readline ? null , openssl ? null , tk ? null , tcl ? null , libX11 ? null , xproto ? null , arch ? null , sw_vers ? null , ncurses ? null }: assert zlibSupport -> zlib != null; assert gdbmSupport -> gdbm != null; assert stdenv.isDarwin -> arch != null; assert stdenv.isDarwin -> sw_vers != null; with stdenv.lib; let majorVersion = "2.6"; version = "${majorVersion}.5"; buildInputs = optional (stdenv ? gcc && stdenv.gcc.libc != null) stdenv.gcc.libc ++ [bzip2] ++ optional zlibSupport zlib ++ optional gdbmSupport gdbm ++ optional (sqlite != null) sqlite ++ optional (db4 != null) db4 ++ optional (readline != null) readline ++ optional (openssl != null) openssl ++ optional (tk != null) tk ++ optional (tcl != null) tcl ++ optional (libX11 != null) libX11 ++ optional (xproto != null) xproto ++ optional (arch != null) arch ++ optional (sw_vers != null) sw_vers ++ optional (ncurses != null) ncurses ; in stdenv.mkDerivation ( { name = "python-${version}"; src = fetchurl { url = "http://www.python.org/ftp/python/${version}/Python-${version}.tar.bz2"; sha256 = "62da62eb685621ede2be1275f11b89fa0e0be578db8daa5320d0a7855c0a9ebc"; }; patches = [ # Look in C_INCLUDE_PATH and LIBRARY_PATH for stuff. ./search-path.patch ]; inherit buildInputs; C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") buildInputs); LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") buildInputs); configureFlags = "--enable-shared --with-threads --enable-unicode --with-wctype-functions"; preConfigure = '' # Purity. for i in /usr /sw /opt /pkg; do substituteInPlace ./setup.py --replace $i /no-such-path done '' + (if readline != null then '' export NIX_LDFLAGS="$NIX_LDFLAGS -lncurses" '' else ""); setupHook = ./setup-hook.sh; postInstall = '' rm -rf "$out/lib/python${majorVersion}/test" ''; passthru = { inherit zlibSupport; sqliteSupport = sqlite != null; db4Support = db4 != null; readlineSupport = readline != null; opensslSupport = openssl != null; tkSupport = (tk != null) && (tcl != null); libPrefix = "python${majorVersion}"; }; enableParallelBuilding = true; meta = { platforms = stdenv.lib.platforms.all; }; } // (if stdenv.isDarwin then { NIX_CFLAGS_COMPILE = "-msse2" ; patches = [./search-path.patch]; } else {} ) )