Source: httest Version: 2.4.18-1 Severity: serious https://buildd.debian.org/status/fetch.php?pkg=httest&arch=arm64&ver=2.4.18-1&stamp=1484245003&raw=0
... checking whether it is safe to define __EXTENSIONS__... yes checking for library containing strerror... none required checking for ANSI C header files... (cached) yes checking for unistd.h... (cached) yes checking build system type... Invalid configuration `aarch64-linux-gnu': machine `aarch64' not recognized configure: error: /bin/bash config/config.sub aarch64-linux-gnu failed debian/rules:28: recipe for target 'config.status' failed make: *** [config.status] Error 1 This is likely due to the ancient config.{guess,sub} in httest.