Some dependencies on xlibs are missing: acroread needs libX11, and the browser plugin needs both libX11 and libXt. $ scanelf -n /opt/Adobe/Reader9/Reader/intellinux/bin/acroread /opt/Adobe/Reader9/Browser/intellinux/nppdf.so TYPE NEEDED FILE ET_EXEC libBIB.so,libBIBUtils.so,libACE.so,libAGM.so,libCoolType.so,libAXE8SharedExpat.so,libJP2K.so,libAdobeXMP.so,libpthread.so.0,libicuuc.so.36,libssl.so.0.9.8,libcrypto.so.0.9.8,libxml2.so.2,libm.so.6,libdl.so.2,libgdk_pixbuf_xlib-2.0.so.0,libgtk-x11-2.0.so.0,libgdk-x11-2.0.so.0,libatk-1.0.so.0,libgdk_pixbuf-2.0.so.0,libpango-1.0.so.0,libgobject-2.0.so.0,libglib-2.0.so.0,libX11.so.6,libc.so.6,libstdc++.so.6,libResAccess.so,libgcc_s.so.1 /opt/Adobe/Reader9/Reader/intellinux/bin/acroread ET_DYN libXt.so.6,libX11.so.6,libpthread.so.0,libdl.so.2,libstdc++.so.6,libgcc_s.so.1,libc.so.6 /opt/Adobe/Reader9/Browser/intellinux/nppdf.so The following should be added to the x86? ( ) dependency group: x11-libs/libX11 nsplugin? ( x11-libs/libXt ) and this to the amd64? ( ) group: || ( app-emulation/emul-linux-x86-xlibs[-abi_x86_32(-)] ( >=x11-libs/libX11-1.6.2[abi_x86_32(-)] nsplugin? ( >=x11-libs/libXt-1.1.4[abi_x86_32(-)] ) ) )
If the x11-libs/libXt dependency is to depend on USE=nsplugin, then in case of USE=-nsplugin nppdf.so should not be installed. Otherwise @preserved-rebuild and revdep-rebuild are going to complain if you don't have x86 libXt.so.6. And there's more missing dependencies. 1. Bundled libcurl.so.3 depends on sys-libs/zlib. 2. /opt/Adobe/Reader9/Reader/intellinux/lib/libeggtrayicon.so depends on x11-libs/libXext. 3. /opt/Adobe/Reader9/Reader/intellinux/bin/acroread and a few other objects depend on dev-libs/libxml2. 4. /opt/Adobe/Reader9/Reader/intellinux/plug_ins3d/drvOpenGL.x3d depends on virtual/opengl and virtual/glu.
Dependencies added in v 9.5.5-r2