1 files changed, 9 insertions, 2 deletions
diff --git a/coreutils/date.c b/coreutils/date.c
index feb400430..731241536 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -36,7 +36,7 @@
 //config:# defaults to "no": stat's nanosecond field is a bit non-portable
 //config:config FEATURE_DATE_NANO
 //config:       bool "Support %[num]N nanosecond format specifier"
-//config:       default n  # syscall(__NR_clock_gettime)
+//config:       default n  # syscall(__NR_clock_gettime) or syscall(__NR_clock_gettime64)
 //config:       depends on DATE
 //config:       select PLATFORM_LINUX
 //config:       help
@@ -271,10 +271,17 @@ int date_main(int argc UNUSED_PARAM, char **argv)
                 */
 #endif
        } else {
-#if ENABLE_FEATURE_DATE_NANO
+#if ENABLE_FEATURE_DATE_NANO && defined(__NR_clock_gettime)
                /* libc has incredibly messy way of doing this,
                 * typically requiring -lrt. We just skip all this mess */
                syscall(__NR_clock_gettime, CLOCK_REALTIME, &ts);
+#elif ENABLE_FEATURE_DATE_NANO && __TIMESIZE == 64
+                /* Let's only support the 64 suffix syscalls for 64-bit time_t.
+                 * This simplifies the code for us as we don't need to convert
+                 * between 64-bit and 32-bit. We also don't have a way to
+                 * report overflow errors here.
+                 */
+                syscall(__NR_clock_gettime64, CLOCK_REALTIME, &ts);
 #else
                time(&ts.tv_sec);
 #endif