This bug was fixed in the package gcal - 3.01.1-6ubuntu1
---
gcal (3.01.1-6ubuntu1) intrepid; urgency=low
* debian/rules: add -D_GNU_SOURCE to CFLAGS to fix FTBFS with
glibc 2.8 (LP: #236838)
* Modify Maintainer value to match the DebianMaintainerField
specification.
--
Please sponsor the attached debdiff. It adds -D_GNU_SOURCE to the CFLAGS to fix
this ftbfs.
The package builds, installs and runs fine in an intrepid pbuilder.
** Attachment added: "gcal.debdiff"
http://launchpadlibrarian.net/14909436/gcal.debdiff
** Changed in: gcal (Ubuntu)
Assignee: