Checking for global variables

[Peter Eisentraut]

I've noticed that you can use AC_CHECK_FUNC to check for the existence of
global variables.  Is it portable to do that?  Does someone have a better
idea (short of writing AC_TRY_LINK, etc. for each)?

-- 
Peter Eisentraut      [EMAIL PROTECTED]       http://yi.org/peter-e/