GCC 4.4 will no longer tolerate #elif's with no conditional clause. python-ldap-2.3.5 contains such an elif. The attached patch fixes this.
Alternatively, a simple sed script would also do the trick:
sed -i -e 's:^#elif$:#else:g' Modules/errors.c
Created attachment 187016 [details, diff]
Patch to eliminate empty #elif's
in gcc-porting overlay
+ 10 May 2009; Samuli Suominen <email@example.com>
+ python-ldap-2.3.5.ebuild, +files/python-ldap-2.3.5-gcc44.patch:
+ Fix compile with GCC 4.4 wrt #264543, thanks to Daniel J.