[bsp] Make all warnings into errors with qemu-vexpress-a9 qemu-virt64… (#5785)

* [bsp] Make all warnings into errors with qemu-vexpress-a9 qemu-virt64-aarch64 and stm32f411-st-nucleo.
* [RTC] Fix compile errors

3 files changed, 8 insertions, 9 deletions

diff --git a/examples/utest/testcases/kernel/mailbox_tc.c b/examples/utest/testcases/kernel/mailbox_tc.c
index e18613b559..dc01507c2b 100644
--- a/examples/utest/testcases/kernel/mailbox_tc.c
+++ b/examples/utest/testcases/kernel/mailbox_tc.c
@@ -191,19 +191,19 @@ static void thread1_recv_static_mb(void *arg)
     rt_err_t result = RT_EOK;
 
     result = rt_mb_recv(&test_static_mb, (rt_ubase_t *)&mb_recv_str1, RT_WAITING_FOREVER);
-    if (result != RT_EOK || strcmp(mb_recv_str1, mb_send_str1) != 0)
+    if (result != RT_EOK || rt_strcmp((const char *)mb_recv_str1, (const char *)mb_send_str1) != 0)
     {
         uassert_false(1);
     }
 
     result = rt_mb_recv(&test_static_mb, (rt_ubase_t *)&mb_recv_str2, RT_WAITING_FOREVER);
-    if (result != RT_EOK || strcmp(mb_recv_str2, mb_send_str2) != 0)
+    if (result != RT_EOK || rt_strcmp((const char *)mb_recv_str2, (const char *)mb_send_str2) != 0)
     {
         uassert_false(1);
     }
 
     result = rt_mb_recv(&test_static_mb, (rt_ubase_t *)&mb_recv_str3, RT_WAITING_FOREVER);
-    if (result != RT_EOK || strcmp(mb_recv_str3, mb_send_str3) != 0)
+    if (result != RT_EOK || rt_strcmp((const char *)mb_recv_str3, (const char *)mb_send_str3) != 0)
     {
         uassert_false(1);
     }
@@ -284,19 +284,19 @@ static void thread3_recv_dynamic_mb(void *arg)
     rt_err_t result = RT_EOK;
 
     result = rt_mb_recv(test_dynamic_mb, (rt_ubase_t *)&mb_recv_str1, RT_WAITING_FOREVER);
-    if (result != RT_EOK || strcmp(mb_recv_str1, mb_send_str1) != 0)
+    if (result != RT_EOK || rt_strcmp((const char *)mb_recv_str1, (const char *)mb_send_str1) != 0)
     {
         uassert_false(1);
     }
 
     result = rt_mb_recv(test_dynamic_mb, (rt_ubase_t *)&mb_recv_str2, RT_WAITING_FOREVER);
-    if (result != RT_EOK || strcmp(mb_recv_str2, mb_send_str2) != 0)
+    if (result != RT_EOK || rt_strcmp((const char *)mb_recv_str2, (const char *)mb_send_str2) != 0)
     {
         uassert_false(1);
     }
 
     result = rt_mb_recv(test_dynamic_mb, (rt_ubase_t *)&mb_recv_str3, RT_WAITING_FOREVER);
-    if (result != RT_EOK || strcmp(mb_recv_str3, mb_send_str3) != 0)
+    if (result != RT_EOK || rt_strcmp((const char *)mb_recv_str3, (const char *)mb_send_str3) != 0)
     {
         uassert_false(1);
     }
diff --git a/examples/utest/testcases/kernel/semaphore_tc.c b/examples/utest/testcases/kernel/semaphore_tc.c
index 2992831d87..ca66da43b7 100644
--- a/examples/utest/testcases/kernel/semaphore_tc.c
+++ b/examples/utest/testcases/kernel/semaphore_tc.c
@@ -269,7 +269,6 @@ static void test_static_semaphore_release_isr(void)
 #ifdef RT_USING_HEAP
 static void test_dynamic_semaphore_create(void)
 {
-    rt_err_t result;
     int rand_num = rand() % 0x10000;
 
     for (int i = 0; i < rand_num; i++)
diff --git a/examples/utest/testcases/kernel/signal_tc.c b/examples/utest/testcases/kernel/signal_tc.c
index 40c08f7402..f23aa09124 100644
--- a/examples/utest/testcases/kernel/signal_tc.c
+++ b/examples/utest/testcases/kernel/signal_tc.c
@@ -121,8 +121,8 @@ void rt_signal_wait_thread(void *parm)
     rt_signal_install(SIGUSR1, sig_handle_default);
     rt_signal_unmask(SIGUSR1);
 
-    sigemptyset(&selectset);
-    sigaddset(&selectset, SIGUSR1);
+    (void)sigemptyset(&selectset);
+    (void)sigaddset(&selectset, SIGUSR1);
 
     /* case 5:rt_signal_wait, two thread, thread1: install and unmask, then wait 1s; thread2: kill, should received. */
     if (rt_signal_wait(&selectset, &recive_si, RT_TICK_PER_SECOND) != RT_EOK)