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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] media-libs/giflib-6.1.3:0/7::gentoo  USE="-doc -static-libs" 460 KiB
[ebuild  N     ] dev-perl/File-Which-1.270.0-r1::gentoo  USE="-pwhich -test" PERL_FEATURES="ithreads (-debug) -quadmath" 25 KiB
[ebuild  N     ] dev-perl/ExtUtils-PkgConfig-1.160.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 10 KiB
[ebuild  N     ] dev-perl/GD-2.830.0-r1::gentoo  USE="truetype -animgif -examples -fcgi -test -xpm" PERL_FEATURES="ithreads (-debug) -quadmath" 281 KiB
[ebuild  N     ] dev-perl/GDTextUtil-0.860.0-r3::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 64 KiB
[ebuild  N     ] dev-perl/GDGraph-1.560.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 160 KiB
[ebuild  N     ] dev-perl/GD-Graph3d-0.630.0-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 96 KiB

Total: 7 packages (7 new), Size of downloads: 1094 KiB