From 0535045139a8f39cab89477286bfd59b6da970aa Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Sat, 18 Sep 2021 02:45:04 +0000
Subject: [PATCH] 1

---
 server/gameserver/tracemgr.cc | 11 ++++++-----
 server/gameserver/tracemgr.h  |  4 ++++
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/server/gameserver/tracemgr.cc b/server/gameserver/tracemgr.cc
index 06e3715..c045cc4 100644
--- a/server/gameserver/tracemgr.cc
+++ b/server/gameserver/tracemgr.cc
@@ -4,19 +4,17 @@
 
 #ifdef DEBUG
 
+#if __GNUC__ > 4
 static void ErrorCallback(void *data, const char *msg, int errnum)
 {
     abort();
 }
-
-static int SimpleCallback(void *data, uintptr_t pc)
-{
-    return 0;
-}
+#endif
 
 void TraceMgr::Init(const std::string& filename)
 {
     filename_ = filename;
+#if __GNUC__ > 4
     state_ = backtrace_create_state(filename_.c_str(),
                                     0,
                                     ErrorCallback,
@@ -24,6 +22,7 @@ void TraceMgr::Init(const std::string& filename)
     if (!state_) {
         abort();
     }
+#endif
     log_file_ = fopen("backtrace.log", "w");
     if (!log_file_) {
         abort();
@@ -40,10 +39,12 @@ void TraceMgr::UnInit()
 
 void TraceMgr::Trace(const std::string& hint)
 {
+#if __GNUC__ > 4
     fputs(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", log_file_);
     fputs(hint.c_str(), log_file_);
     backtrace_print(state_, 0, log_file_);
     fputs("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", log_file_);
+#endif
 }
 
 #endif
diff --git a/server/gameserver/tracemgr.h b/server/gameserver/tracemgr.h
index a490e53..6698cba 100644
--- a/server/gameserver/tracemgr.h
+++ b/server/gameserver/tracemgr.h
@@ -2,7 +2,9 @@
 
 #ifdef DEBUG
 
+#if __GNUC__ > 4
 #include <backtrace.h>
+#endif
 
 class TraceMgr : public a8::Singleton<TraceMgr>
 {
@@ -20,7 +22,9 @@ class TraceMgr : public a8::Singleton<TraceMgr>
 
  private:
     std::string filename_;
+#if __GNUC__ > 4
     backtrace_state* state_ = nullptr;
+#endif
     FILE* log_file_ = nullptr;
 };