virtualenv gcc error

[me@myServer opt]$ source testEnv/bin/activate
(testEnv)[me@myServer opt]$ easy_install pip
install_dir /opt/testEnv/lib/python2.4/site-packages/
Searching for pip
Best match: pip 0.8.1
Processing pip-0.8.1-py2.4.egg
pip 0.8.1 is already the active version in easy-install.pth
Installing pip script to /opt/testEnv/bin
Installing pip-2.4 script to /opt/testEnv/bin

Using /opt/testEnv/lib/python2.4/site-packages/pip-0.8.1-py2.4.egg
Processing dependencies for pip
Finished processing dependencies for pip
(testEnv)[me@myServer opt]$ easy_install python-ldap
install_dir /opt/testEnv/lib/python2.4/site-packages/
Searching for python-ldap
Reading http://pypi.python.org/simple/python-ldap/
Reading http://www.python-ldap.org/
Reading http://python-ldap.sourceforge.net/
Reading http://sourceforge.net/project/showfiles.php?group_id=2072&package_id=2011
Best match: python-ldap 2.3.12
Downloading http://pypi.python.org/packages/source/p/python-ldap/python-ldap-2.3.12.tar.gz#md5=2dadc521b2c2590d9b033894ba5c6f31
Processing python-ldap-2.3.12.tar.gz
Running python-ldap-2.3.12/setup.py -q bdist_egg --dist-dir /tmp/easy_install-ecxTdK/python-ldap-2.3.12/egg-dist-tmp-SKefqM
extra_compile_args:
extra_objects:
include_dirs: /usr/local/openldap-2.3/include /usr/include/sasl
library_dirs: /usr/local/openldap-2.3/lib
libs: ldap_r lber sasl2 ssl crypto
file Lib/ldap.py (for module ldap) not found
file Lib/ldap/schema.py (for module ldap.schema) not found
warning: no files found matching 'Makefile'
warning: no files found matching 'Modules/LICENSE'
file Lib/ldap.py (for module ldap) not found
file Lib/ldap/schema.py (for module ldap.schema) not found
file Lib/ldap.py (for module ldap) not found
file Lib/ldap/schema.py (for module ldap.schema) not found
Modules/constants.c: In function ‘LDAPinit_constants’:
Modules/constants.c:184: error: ‘LDAP_OPT_X_TLS_CRLFILE’ undeclared (first use in this function)
Modules/constants.c:184: error: (Each undeclared identifier is reported only once
Modules/constants.c:184: error: for each function it appears in.)
error: Setup script exited with error: command 'gcc' failed with exit status 1