Link with newer libidl, which can report cpp errors. This turns out to be
treea6d73adbd00b30187fcb593fae02fc4ec7132af6
drwxr-xr-x - CVSROOT
drwxr-xr-x - evolution
drwxr-xr-x - funfs
drwxr-xr-x - gracefultavi
drwxr-xr-x - nitlog
drwxr-xr-x - nss
drwxr-xr-x - photoreider
drwxr-xr-x - planit
drwxr-xr-x - retchmail
drwxr-xr-x - twc
drwxr-xr-x - unikonf
drwxr-xr-x - unity
drwxr-xr-x - wvdial
drwxr-xr-x - wvipsec
drwxr-xr-x - wvmapi
drwxr-xr-x - wvprint
drwxr-xr-x - wvsync
drwxr-xr-x - wvtftp
drwxr-xr-x - xplcidl
drwxr-xr-x - zen