init: fix L1 compile warning

Signed-off-by: Nxionglei6 <xionglei6@huawei.com>

services/BUILD.gn

@@ -81,6 +81,7 @@ if (defined(ohos_lite)) {
     }
     if (ohos_kernel_type == "linux") {
       defines += [ "NEED_EXEC_RCS_LINUX" ]
+      defines += [ "_GNU_SOURCE" ]
       ldflags += [
         "-lm",
         "-lpthread",

services/init/adapter/init_adapter.c

@@ -60,7 +60,7 @@ int SetAmbientCapability(int cap)
     return 0;
 }
 
-#ifdef __LINUX__
+#if (defined __LINUX__) && (defined NEED_EXEC_RCS_LINUX)
 static pid_t g_waitPid = -1;
 static sem_t *g_waitSem = NULL;
 static void SignalRegWaitSem(pid_t waitPid, sem_t *waitSem)

services/loopevent/socket/le_socket.c

@@ -20,6 +20,7 @@
 #include <fcntl.h>
 #include <netinet/in.h>
 #include <stddef.h>
+#include <string.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>

services/param/BUILD.gn

@@ -89,6 +89,8 @@ ohos_shared_library("param_client") {
   ]
 
   defines = [ "INIT_AGENT" ]
+  
+  defines += [ "_GNU_SOURCE" ]
 
   if (param_security == "selinux") {
     sources += [ "adapter/param_selinux.c" ]