otb 5.6.0+dfsg-1 is marked for autoremoval from testing on 2016-09-04 It (build-)depends on packages with these RC bugs: 818380: clang-3.7: __builtin_return_address() segfaults on s390x 828931: llvm-toolchain-3.7: FTBFS on i386 with gcc-6 and glibc 2.23