fix missed with_musl macro control

cmake/configure.cmake

@@ -54,10 +54,10 @@ endif(WIN32)
 if(WITH_MUSL)
     add_definitions(-DPADDLE_WITH_MUSL)
 
-    message(STATUS, "WITH_MKL=OFF, when WITH_MUSL=ON")
+    message(STATUS, "Set compile option WITH_MKL=OFF when WITH_MUSL=ON")
     SET(WITH_MKL OFF)
 
-    message(STATUS, "WITH_GPU=OFF, when WITH_MUSL=ON")
+    message(STATUS, "Set compile option WITH_GPU=OFF when WITH_MUSL=ON")
     SET(WITH_GPU OFF)
 endif()
 

paddle/fluid/platform/enforce.h

@@ -47,6 +47,10 @@ limitations under the License. */
 #include <type_traits>
 #include <utility>
 
+#ifndef PADDLE_WITH_MUSL
+#include <execinfo.h>
+#endif
+
 #define GLOG_NO_ABBREVIATED_SEVERITIES  // msvc conflict logging with windows.h
 #include "glog/logging.h"
 #include "paddle/fluid/platform/errors.h"
@@ -230,13 +234,14 @@ inline std::string SimplifyDemangleStr(std::string str) {
 }
 
 inline std::string GetCurrentTraceBackString() {
-  //static constexpr int TRACE_STACK_LIMIT = 100;
   std::ostringstream sout;
 
   sout << "\n\n--------------------------------------\n";
   sout << "C++ Traceback (most recent call last):";
   sout << "\n--------------------------------------\n";
-#if !defined(_WIN32) && 0
+#if !defined(_WIN32) && !defined(PADDLE_WITH_MUSL)
+  static constexpr int TRACE_STACK_LIMIT = 100;
+
   void* call_stack[TRACE_STACK_LIMIT];
   auto size = backtrace(call_stack, TRACE_STACK_LIMIT);
   auto symbols = backtrace_symbols(call_stack, size);
@@ -255,7 +260,7 @@ inline std::string GetCurrentTraceBackString() {
   }
   free(symbols);
 #else
-  sout << "Windows not support stack backtrace yet.\n";
+  sout << "Not support stack backtrace yet.\n";
 #endif
   return sout.str();
 }

paddle/fluid/platform/macros.h

@@ -25,6 +25,8 @@ limitations under the License. */
   classname& operator=(classname&&) = delete
 #endif
 
-//#if defined(__FLT_MAX__)
-//#define FLT_MAX __FLT_MAX__
-//#endif  // __FLT_MAX__
+#ifndef PADDLE_WITH_MUSL 
+  #if defined(__FLT_MAX__)
+    #define FLT_MAX __FLT_MAX__
+  #endif  // __FLT_MAX__
+#endif

paddle/fluid/platform/port.h

@@ -26,7 +26,6 @@
 
 #if !defined(_WIN32)
 #include <dlfcn.h>     //  dladdr
-//#include <execinfo.h>  // backtrace
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <algorithm>  // std::accumulate