5 files changed, 15 insertions, 6 deletions
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in
index e86dc0c0d..a6fa6d091 100644
--- a/libc/sysdeps/linux/common/Makefile.in
+++ b/libc/sysdeps/linux/common/Makefile.in
@@ -119,7 +119,7 @@ libc-nomulti-y += $(COMMON_OUT)/__syscall_rt_sigaction.o \
 	$(COMMON_OUT)/stat.o
 libc-nomulti-$(UCLIBC_HAS_SSP) += $(COMMON_OUT)/ssp.o
 
-objclean-y += common_clean
+objclean-y += CLEAN_libc/sysdeps/linux/common
 
-common_clean:
+CLEAN_libc/sysdeps/linux/common:
 	$(do_rm) $(addprefix $(COMMON_OUT)/*., o os oS)
diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h
index 8481f0640..68b881c09 100644
--- a/libc/sysdeps/linux/common/bits/kernel-features.h
+++ b/libc/sysdeps/linux/common/bits/kernel-features.h
@@ -46,6 +46,11 @@
 # define __ASSUME_GETCWD_SYSCALL	1
 #endif
 
+/* When was `poll' introduced?  */
+#if __LINUX_KERNEL_VERSION >= 131584
+# define __ASSUME_POLL_SYSCALL          1
+#endif
+
 /* Real-time signal became usable in 2.1.70.  */
 #if __LINUX_KERNEL_VERSION >= 131398
 # define __ASSUME_REALTIME_SIGNALS	1
diff --git a/libc/sysdeps/linux/common/getdents.c b/libc/sysdeps/linux/common/getdents.c
index 6a38772e8..5dda190a8 100644
--- a/libc/sysdeps/linux/common/getdents.c
+++ b/libc/sysdeps/linux/common/getdents.c
@@ -133,10 +133,6 @@ ssize_t __getdents (int fd, char *buf, size_t nbytes)
     return (char *) dp - buf;
 }
 
-#if defined __UCLIBC_HAS_LFS__ && ! defined __NR_getdents64
-attribute_hidden strong_alias(__getdents,__getdents64)
-#endif
-
 #elif __WORDSIZE == 32
 
 extern __typeof(__getdents) __getdents64 attribute_hidden;
@@ -167,4 +163,8 @@ ssize_t __getdents (int fd, char *buf, size_t nbytes)
 
 #endif
 
+#if defined __UCLIBC_HAS_LFS__ && ! defined __NR_getdents64
+attribute_hidden strong_alias(__getdents,__getdents64)
+#endif
+
 #endif
diff --git a/libc/sysdeps/linux/common/poll.c b/libc/sysdeps/linux/common/poll.c
index f50e92c8e..4211c26cc 100644
--- a/libc/sysdeps/linux/common/poll.c
+++ b/libc/sysdeps/linux/common/poll.c
@@ -19,6 +19,7 @@
 
 #include <sys/syscall.h>
 #include <sys/poll.h>
+#include <bits/kernel-features.h>
 
 #ifdef __UCLIBC_HAS_THREADS_NATIVE__
 #include <sysdep-cancel.h>
@@ -26,6 +27,8 @@
 #define SINGLE_THREAD_P 1
 #endif
 
+#if defined __ASSUME_POLL_SYSCALL && defined __NR_poll
+
 libc_hidden_proto(poll)
 
 #ifdef __NR_poll
diff --git a/libc/sysdeps/linux/common/sysdep.h b/libc/sysdeps/linux/common/sysdep.h
index 23151d914..dae74d7c5 100644
--- a/libc/sysdeps/linux/common/sysdep.h
+++ b/libc/sysdeps/linux/common/sysdep.h
@@ -156,3 +156,4 @@
 #define DW_EH_PE_funcrel	0x40
 #define DW_EH_PE_aligned	0x50
 #define DW_EH_PE_indirect	0x80
+