7 files changed, 35 insertions, 0 deletions
diff --git a/src/platform/posix/posix_alloc.c b/src/platform/posix/posix_alloc.c
index cce348f3..aef5bbfc 100644
--- a/src/platform/posix/posix_alloc.c
+++ b/src/platform/posix/posix_alloc.c
@@ -29,4 +29,9 @@ nni_free(void *ptr, size_t size)
 }
 
 
+#else
+
+// Suppress empty symbols warnings in ranlib.
+int nni_posix_alloc_not_used = 0;
+
 #endif
diff --git a/src/platform/posix/posix_clock.c b/src/platform/posix/posix_clock.c
index 6b452cbf..c87fb890 100644
--- a/src/platform/posix/posix_clock.c
+++ b/src/platform/posix/posix_clock.c
@@ -125,4 +125,9 @@ nni_plat_usleep(nni_duration usec)
 
 #endif  // NNG_USE_GETTIMEOFDAY
 
+#else
+
+// Suppress empty symbols warnings in ranlib.
+int nni_posix_clock_not_used = 0;
+
 #endif  // PLATFORM_POSIX_CLOCK
diff --git a/src/platform/posix/posix_debug.c b/src/platform/posix/posix_debug.c
index 6199df1d..aa7afaea 100644
--- a/src/platform/posix/posix_debug.c
+++ b/src/platform/posix/posix_debug.c
@@ -106,4 +106,9 @@ nni_plat_errno(int errnum)
 }
 
 
+#else
+
+// Suppress empty symbols warnings in ranlib.
+int nni_posix_debug_not_used = 0;
+
 #endif // PLATFORM_POSIX_DEBUG
diff --git a/src/platform/posix/posix_ipc.c b/src/platform/posix/posix_ipc.c
index 6044280e..584dc4a9 100644
--- a/src/platform/posix/posix_ipc.c
+++ b/src/platform/posix/posix_ipc.c
@@ -340,4 +340,9 @@ nni_plat_ipc_accept(nni_plat_ipcsock *s, nni_plat_ipcsock *server)
 }
 
 
+#else
+
+// Suppress empty symbols warnings in ranlib.
+int nni_posix_ipc_not_used = 0;
+
 #endif // PLATFORM_POSIX_IPC
diff --git a/src/platform/posix/posix_net.c b/src/platform/posix/posix_net.c
index f9720b66..b89e7c49 100644
--- a/src/platform/posix/posix_net.c
+++ b/src/platform/posix/posix_net.c
@@ -391,4 +391,9 @@ nni_plat_tcp_accept(nni_plat_tcpsock *s, nni_plat_tcpsock *server)
 }
 
 
+#else
+
+// Suppress empty symbols warnings in ranlib.
+int nni_posix_net_not_used = 0;
+
 #endif // PLATFORM_POSIX_NET
diff --git a/src/platform/posix/posix_rand.c b/src/platform/posix/posix_rand.c
index 2576a444..76b2ee46 100644
--- a/src/platform/posix/posix_rand.c
+++ b/src/platform/posix/posix_rand.c
@@ -83,4 +83,9 @@ nni_plat_seed_prng(void *buf, size_t bufsz)
 }
 
 
+#else
+
+// Suppress empty symbols warnings in ranlib.
+int nni_posix_rand_not_used = 0;
+
 #endif  // PLATFORM_POSIX_RANDOM
diff --git a/src/platform/posix/posix_thread.c b/src/platform/posix/posix_thread.c
index 7b4dbbdc..91fbdff7 100644
--- a/src/platform/posix/posix_thread.c
+++ b/src/platform/posix/posix_thread.c
@@ -313,4 +313,9 @@ nni_plat_fini(void)
 }
 
 
+#else
+
+// Suppress empty symbols warnings in ranlib.
+int nni_posix_thread_not_used = 0;
+
 #endif