I got a libgdamm failure when trying to build the GNOME desktop with jhbuild.  I tried re-running with -ac (re-autogen & clean), but got the same error:

/opt/gnome2/lib/glibmm-2.4/proc/gmmproc -I ../../tools/m4 --defs . client . ./../libgdamm
/opt/gnome2/lib/glibmm-2.4/proc/gmmproc -I ../../tools/m4 --defs . connection . ./../libgdamm
/opt/gnome2/lib/glibmm-2.4/proc/gmmproc -I ../../tools/m4 --defs . datamodel . ./../libgdamm
/opt/gnome2/lib/glibmm-2.4/proc/gmmproc -I ../../tools/m4 --defs . serverprovider . ./../libgdamm
/opt/gnome2/lib/glibmm-2.4/proc/gmmproc -I ../../tools/m4 --defs . parameter . ./../libgdamm
No conversion from GdaColumn* to Glib::RefPtr<Column> defined (line: , parameter name: gda_data_model_describe_column`'(ifelse(`',1,const_cast<__CNAME__*>(gobj()),gobj())`'ifelse(`_CONVERT(int,gint,col,0)',,,`, ')_CONVERT(int,gint,col,0)))
m4 failed with exit code 1.  Aborting...
make[3]: *** [.stamps/stamp-datamodel] Error 1
make[3]: *** Waiting for unfinished jobs....
No conversion from const Glib::RefPtr<ParameterList>& to GdaParameterList* defined (line: 0, parameter name: params)
m4 failed with exit code 1.  Aborting...
No conversion from GdaServerProvider* to Glib::RefPtr<ServerProvider> defined (line: , parameter name: gda_connection_get_provider_obj`'(ifelse(`',1,const_cast<__CNAME__*>(gobj()),gobj())`'ifelse(`',,,`, ')))
make[3]: *** [.stamps/stamp-client] Error 1
m4 failed with exit code 1.  Aborting...
make[3]: *** [.stamps/stamp-connection] Error 1
No conversion from GdaParameter* to Glib::RefPtr<Parameter> defined (line: , parameter name: gda_parameter_new_copy`'(ifelse(`1',1,const_cast<__CNAME__*>(gobj()),gobj())`'ifelse(`',,,`, ')))
m4 failed with exit code 1.  Aborting...
make[3]: *** [.stamps/stamp-parameter] Error 1
No conversion from ServerOperationType to GdaServerOperationType defined (line: 0, parameter name: type)
m4 failed with exit code 1.  Aborting...
make[3]: *** [.stamps/stamp-serverprovider] Error 1
make[3]: Leaving directory `/home/jonathon/.svn/gnome2/libgdamm/libgda/src'