media-gfx/enblend
Image Blending with Multiresolution Splines
USE Flags
cpu_flags_x86_sse2
* This flag is undocumented *
debug
Global: Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
doc
Global: Adds extra documentation (API, Javadoc, etc)
openmp
Global: Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
tcmalloc
Global: Use the dev-util/google-perftools libraries to replace the malloc() implementation with a possibly faster one.