Visual C++: How to disable specific linker warning

Question

I'm using a library from CGAL which during the linking stage of my code compilation produces a lot of linking warnings of this form:

warning LNK4099: PDB 'vc80.pdb' was not found with 'gmp-vc80-mt-sgd.lib' or at 'vc80.pdb'; linking object as if no debug info

How do I turn off this specific linker warning under Visual C++/Studio 2008?

Note that I do not have any control on the external (CGAL) library which I am using. I cannot/donot want to get into recompiling the external library. Hence, the need to fix the messages at my end.

Answer 1

Update 2018-10-16

Reportedly, as of VS 2013, this warning can be disabled. See the comment by @Mark Ransom.

Original Answer

You can't disable that specific warning.

According to Geoff Chappell the 4099 warning is treated as though it's too important to ignore, even by using in conjunction with /wx (which would treat warnings as errors and ignore the specified warning in other situations)

Here is the relevant text from the link:

Not Quite Unignorable Warnings

For some warning numbers, specification in a /ignore option is accepted but not necessarily acted upon. Should the warning occur while the /wx option is not active, then the warning message is still displayed, but if the /wx option is active, then the warning is ignored. It is as if the warning is thought important enough to override an attempt at ignoring it, but not if the user has put too high a price on unignored warnings.

The following warning numbers are affected:

4200, 4203, 4204, 4205, 4206, 4207, 4208, 4209, 4219, 4231 and 4237

Answer 2

The PDB file is typically used to store debug information. This warning is caused probably because the file vc80.pdb is not found when linking the target object file. Read the MSDN entry on LNK4099 here.

Alternatively, you can turn off debug information generation from the Project Properties > Linker > Debugging > Generate Debug Info field.