xrdb: Predefined macro file is not found

[Rui Matos]

Upgraded to dapper and I'm getting this in .xsession-errors:

Predefined macro file
'/usr/lib/gcc/i486-linux-gnu/4.0.3/include/mcpp_gcc40_predef_old.h' is not found

Probably due to the change to mcpp.

[Daniel Stone (daniels)]

yeah, it's mcppage.

[Sebastien Bacher (seb128)]

*** Bug 27210 has been marked as a duplicate of this bug. ***

[Venkat Raghavan (venkatraghavan)]

I try to run "xrdb -merge .Xdefaults"

Predefined macro file '/usr/lib/gcc/powerpc-linux-gnu/4.0.3/include/mcpp_gcc40_predef_old.h' is not found
Predefined macro file '/usr/lib/gcc/powerpc-linux-gnu/4.0.3/include/mcpp_gcc40_predef_std.h' is not found

However, the settings in .Xdefaults are loaded between logins. As in
run the command -> settings are stored and in effect until logout.

[John Eikenberry (jae)]

Workaround. Use cpp instead of mcpp.

xrdb -cpp /usr/bin/cpp -load .Xdefaults

[Venkat Raghavan (venkatraghavan)]

Using the workaround does prevent the error message. However, the settings in .Xdefaults are not stored across logins.

[John Eikenberry (jae)]

Using -cpp /usr/bin/cpp fixed it for me. Maybe /usr/bin/cpp is an alias for mcpp on your system?

Another workaround for this is to use -nocpp (depending if you need cpp). I don't get the errors when doing either, but do if I don't.

[Matthias Klose (doko)]

fixed in mcpp 2.5_1ubuntu2.