after adding the ~amd64 keyword and emerging it the mcp-plugins-0.2.1b worked fine. bash-2.05b# diff -u media-plugins/mcp-plugins/mcp-plugins-0.2.1b.ebuild.orig media-plugins/mcp-plugins/mcp-plugins-0.2.1b.ebuild --- media-plugins/mcp-plugins/mcp-plugins-0.2.1b.ebuild.orig 2004-05-04 10:56:05.445445296 +0200 +++ media-plugins/mcp-plugins/mcp-plugins-0.2.1b.ebuild 2004-05-04 10:56:05.446445144 +0200 @@ -11,7 +11,7 @@ SRC_URI="http://alsamodular.sourceforge.net/${MY_P}.tar.bz2" LICENSE="GPL-2" SLOT="0" -KEYWORDS="~x86" +KEYWORDS="~x86 ~amd64" DEPEND="media-libs/ladspa-sdk" Reproducible: Always Steps to Reproduce: 1. add ~amd64 keyword to media-plugins/mcp-plugins/mcp-plugins-0.2.1b.ebuild 2. emerge mcp-plugins 3. Actual Results: correctly build; tested with alsa modular synth
already unmasked ~amd64