From: Marcin Juszkiewicz <mjuszkiewicz@redhat.com>

Upstream-status: https://github.com/ioerror/tlsdate/pull/184

diff --git a/src/seccomp.c b/src/seccomp.c
index fbc5a33..8c23bf9 100644
--- a/src/seccomp.c
+++ b/src/seccomp.c
@@ -48,6 +48,18 @@
 #   define EM_ARM 40
 # endif
 #  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARM
+#elif defined(__aarch64__)
+#  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_AARCH64
+#elif defined(__powerpc__)
+#  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PPC
+#elif defined(__powerpc64le__)
+#  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PPC64LE
+#elif defined(__powerpc64__)
+#  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_PPC64
+#elif defined(__s390__)
+#  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_S390
+#elif defined(__s390x__)
+#  define SECCOMP_AUDIT_ARCH AUDIT_ARCH_S390X
 #else
 #  error "Platform does not support seccomp filter yet"
 #endif
@@ -87,7 +99,9 @@ enable_setter_seccomp (void)
     SC_ALLOW (exit_group),
     SC_ALLOW (exit),
 
+#ifdef __NR_open
     SC_DENY (open, EINVAL),
+#endif
     SC_DENY (fcntl, EINVAL),
     SC_DENY (fstat, EINVAL),
 #ifdef __NR_mmap