=dev-libs/libgdata-0.8.1-r2 and =dev-libs/libgdata-0.10.2 require libffi.so.4 while I've installed libffi.so.5. See build log for further details. $ eix libffi [I] dev-libs/libffi Available versions: 3.0.9-r2 3.0.10 **3.0.11_rc1 **3.0.11_rc2 {debug static-libs test} Installed versions: 3.0.10(07:20:43 AM 12/01/2011)(-debug -static-libs -test) Homepage: http://sourceware.org/libffi/ Description: a portable, high level programming interface to various calling conventions. # locate libffi.so /usr/lib64/libffi.so /usr/lib64/libffi.so.5 /usr/lib64/libffi.so.5.0.10
1. =dev-libs/libgdata-0.10.2 builds fine here with libffi.so.5. 2. Please try revdep-rebuild firstly. 3. At least attach your build log and emerge --info.