want easy_install to install the binary extensions

easy_install bzr

Searching for bzr
Reading http://pypi.python.org/simple/bzr/
Reading http://www.bazaar-vcs.org/
Reading http://bazaar-vcs.org/Download
Reading http://www.bazaar-vcs.org/Download
Best match: bzr 1.18rc1
Downloading http://launchpad.net/bzr/1.18/1.18rc1/+download/bzr-1.18rc1.tar.gz
Processing bzr-1.18rc1.tar.gz
Running bzr-1.18rc1\setup.py -q bdist_egg --dist-dir c:\dokume~1\USERNAME\lokale~1\temp\easy_install-bb81xy\bzr-1.18rc1\egg-dist-tmp-7hfknu
bzrlib/_annotator_pyx.c:1414: warning: '__Pyx_SetItemInt' defined but not used
bzrlib/_bencode_pyx.c: In function `__pyx_f_12_bencode_pyx_7Decoder__decode_object':
bzrlib/_bencode_pyx.c:291: warning: '__pyx_r' might be used uninitialized in this function
bzrlib/_bencode_pyx.c:402: warning: '__pyx_exc_lineno' might be used uninitialized in this function
bzrlib/_bencode_pyx.c: In function `__pyx_f_12_bencode_pyx_7Decoder__decode_int':
bzrlib/_bencode_pyx.c:563: warning: '__pyx_exc_lineno' might be used uninitialized in this function
bzrlib/_bencode_pyx.c: In function `__pyx_f_12_bencode_pyx_7Encoder_process':
bzrlib/_bencode_pyx.c:1772: warning: '__pyx_exc_lineno' might be used uninitialized in this function
bzrlib/_bencode_pyx.c: At top level:
bzrlib/_bencode_pyx.c:2414: warning: '__Pyx_GetItemInt' defined but not used
bzrlib/_bencode_pyx.c:2429: warning: '__Pyx_SetItemInt' defined but not used
bzrlib/_btree_serializer_pyx.c:1607: warning: '__Pyx_GetItemInt' defined but not used
bzrlib/_btree_serializer_pyx.c:1685: warning: '__Pyx_SetItemInt' defined but not used
bzrlib/_groupcompress_pyx.c:2136: warning: '__Pyx_GetItemInt' defined but not used
bzrlib/_groupcompress_pyx.c:2151: warning: '__Pyx_SetItemInt' defined but not used
bzrlib/_knit_load_data_pyx.c:1229: warning: '__Pyx_SetItemInt' defined but not used
bzrlib/_knit_load_data_pyx.c:1318: warning: '__Pyx_GetItemInt' defined but not used
bzrlib/_rio_pyx.c: In function `__pyx_f_8_rio_pyx__read_stanza_utf8':
bzrlib/_rio_pyx.c:364: warning: '__pyx_r' might be used uninitialized in this function
bzrlib/_rio_pyx.c:621: warning: '__pyx_exc_lineno' might be used uninitialized in this function
bzrlib/_rio_pyx.c: In function `__pyx_f_8_rio_pyx__read_stanza_unicode':
bzrlib/_rio_pyx.c:686: warning: '__pyx_r' might be used uninitialized in this function
bzrlib/_rio_pyx.c:940: warning: '__pyx_exc_lineno' might be used uninitialized in this function
bzrlib/_rio_pyx.c: At top level:
bzrlib/_rio_pyx.c:1155: warning: '__Pyx_GetItemInt' defined but not used
bzrlib/_rio_pyx.c:1170: warning: '__Pyx_SetItemInt' defined but not used
bzrlib/_walkdirs_win32.c: In function `__pyx_f_6bzrlib_15_walkdirs_win32_12Win32ReadDir_read_dir':
bzrlib/_walkdirs_win32.c:730: warning: '__pyx_exc_lineno' might be used uninitialized in this function
bzrlib/_chk_map_pyx.c:31:18: zlib.h: No such file or directory
bzrlib/_chk_map_pyx.c: In function `__pyx_f_12_chk_map_pyx__search_key_16':
bzrlib/_chk_map_pyx.c:124: error: `Bytef' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:124: error: (Each undeclared identifier is reported only once
bzrlib/_chk_map_pyx.c:124: error: for each function it appears in.)
bzrlib/_chk_map_pyx.c:124: error: `__pyx_v_c_bit' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:125: error: `uLong' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:125: error: syntax error before "__pyx_v_c_len"
bzrlib/_chk_map_pyx.c:126: error: `uInt' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:217: error: syntax error before ')' token
bzrlib/_chk_map_pyx.c:220: error: `__pyx_v_c_len' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:223: error: `__pyx_v_crc_val' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:223: warning: implicit declaration of function `crc32'
bzrlib/_chk_map_pyx.c: In function `__pyx_f_12_chk_map_pyx__search_key_255':
bzrlib/_chk_map_pyx.c:264: error: `Bytef' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:264: error: `__pyx_v_c_bit' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:265: error: `uLong' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:265: error: syntax error before "__pyx_v_c_len"
bzrlib/_chk_map_pyx.c:266: error: `uInt' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:362: error: syntax error before ')' token
bzrlib/_chk_map_pyx.c:365: error: `__pyx_v_c_len' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c:368: error: `__pyx_v_crc_val' undeclared (first use in this function)
bzrlib/_chk_map_pyx.c: At top level:
bzrlib/_chk_map_pyx.c:1779: warning: '__Pyx_SetItemInt' defined but not used

  Cannot build extension "bzrlib._chk_map_pyx".
  Use "build_ext --allow-python-fallback" to use slower python implementations instead.

error: Setup script exited with error: command 'gcc' failed with exit status 1