Fix P4 linux make builds

Change-Id: I6cc4e69a914389b53bc3b52535eb6faf24897a09

hipamd/vdi/hip_rtc.cpp

@@ -105,9 +105,9 @@ char* demangle(const char* loweredName) {
   if (!loweredName) {
     return nullptr;
   }
-#if HIPRTC_USE_CXXABI || __linux__
+#if __linux__
   int status = 0;
-  char* demangledName = abi::__cxa_demangle(loweredName, nullptr, nullptr, &status);
+  char* demangledName = DEMANGLE(loweredName, nullptr, nullptr, &status);
   if (status != 0) {
     return nullptr;
   }
@@ -122,7 +122,7 @@ char* demangle(const char* loweredName) {
   }
 #else
 #error "Only Linux and Windows are supported"
-#endif // HIPRTC_USE_CXXABI || __linux__
+#endif // __linux__
   return demangledName;
 }
 

hipamd/vdi/hiprtc_internal.hpp

@@ -23,17 +23,28 @@
 
 #include "hip_internal.hpp"
 
-#if HIPRTC_USE_CXXABI || __linux__
-#include <cxxabi.h>
+#if __linux__
 #include <cstdlib>
 
+#if HIPRTC_USE_CXXABI
+#include <cxxabi.h>
+
+#define DEMANGLE abi::__cxa_demangle
+
+#else
+extern "C" char * __cxa_demangle(const char *mangled_name, char *output_buffer,
+                                size_t *length, int *status);
+
+#define DEMANGLE __cxa_demangle
+#endif //HIPRTC_USE_CXXABI
+
 #elif defined(_WIN32)
 #include <Windows.h>
 #include <DbgHelp.h>
 
 #define UNDECORATED_SIZE 4096
 
-#endif // HIPRTC_USE_CXXABI || __linux__
+#endif // __linux__
 
 // This macro should be called at the beginning of every HIP RTC API.
 #define HIPRTC_INIT_API(...)                                 \