These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R    ] sci-libs/gdal-1.11.1-r3::gentoo  USE="aux_xml curl geos jpeg jpeg2k mysql png python spatialite sqlite threads -armadillo -debug -doc -fits -gif -gml -hdf5 -java -mdb -netcdf -odbc -ogdi -opencl -pdf -perl -postgres -ruby -xls" PYTHON_TARGETS="python2_7 python3_3 -python3_4" 0 KiB

Total: 1 package (1 reinstall), Size of downloads: 0 KiB