解決fatal error: 'sasl.h' file not found

mac 上安裝python-ldap 的時候報錯如下：

 Modules/LDAPObject.c:18:10: fatal error: 'sasl.h' file not found
    #include <sasl.h>
             ^~~~~~~~
    1 error generated.
    error: command 'cc' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1:

解決：

pip install python-ldap==2.4.20 --global-option=build_ext --global-option="-I$(xcrun --show-sdk-path)/usr/include/sasl"