Getting linking errors when running C project in VS 2010 Professional on Windows

Question

I am getting errors of the following type :

1>authenticate.obj : error LNK2001: unresolved external symbol _ldap_first_attribute@12
1>authenticate.obj : error LNK2001: unresolved external symbol _ldap_first_attribute@12
1>authenticate.obj : error LNK2001: unresolved external symbol _ldap_value_free@4
1>authenticate.obj : error LNK2001: unresolved external symbol _ldap_err2string@4

I have already added the header file folder to Project -> Properties->C/C++->General->Additional Include Directories.

Any ideas

Answer 1

This is a linker error. You need to provide the library where the _ldap_first_attribute and other functions listed can be found. This can be either a .lib static library or a .dll dynamic library

If this refers to this function then you have to add Wldap32.lib to Linker->Input->Additional Dependencies

edit: if this is a external library, you don't have the lib and cannot rebuild the library yourself you can either create one or use explicit linking

Answer 2

You are missing LDAP lib.Try to configure your project correctly which points to include folder where LDAP.lib is present.

Linker --> Input --> Additional Dependencies will surely help.