[llvm] r252418 - Appease hosts without HAVE_BACKTRACE nor ENABLE_BACKTRACES.

[NAKAMURA Takumi via llvm-commits]

Author: chapuni
Date: Sun Nov  8 03:45:06 2015
New Revision: 252418

URL: http://llvm.org/viewvc/llvm-project?rev=252418&view=rev
Log:
Appease hosts without HAVE_BACKTRACE nor ENABLE_BACKTRACES.

  llvm/lib/Support/Signals.cpp:66:13: warning: unused function 'printSymbolizedStackTrace' [-Wunused-function]
  llvm/lib/Support/Signals.cpp:52:13: warning: function 'findModulesAndOffsets' has internal linkage but is not defined [-Wundefined-internal]

Modified:
    llvm/trunk/lib/Support/Signals.cpp
    llvm/trunk/lib/Support/Unix/Signals.inc

Modified: llvm/trunk/lib/Support/Signals.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Signals.cpp?rev=252418&r1=252417&r2=252418&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Signals.cpp (original)
+++ llvm/trunk/lib/Support/Signals.cpp Sun Nov  8 03:45:06 2015
@@ -62,6 +62,10 @@ static FormattedNumber format_ptr(void *
   return format_hex((uint64_t)PC, PtrWidth);
 }
 
+static bool printSymbolizedStackTrace(void **StackTrace, int Depth,
+                                      llvm::raw_ostream &OS)
+  LLVM_ATTRIBUTE_USED;
+
 /// Helper that launches llvm-symbolizer and symbolizes a backtrace.
 static bool printSymbolizedStackTrace(void **StackTrace, int Depth,
                                       llvm::raw_ostream &OS) {

Modified: llvm/trunk/lib/Support/Unix/Signals.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Signals.inc?rev=252418&r1=252417&r2=252418&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/Signals.inc (original)
+++ llvm/trunk/lib/Support/Unix/Signals.inc Sun Nov  8 03:45:06 2015
@@ -306,6 +306,13 @@ static bool findModulesAndOffsets(void *
   return false;
 }
 #endif
+#else
+static bool findModulesAndOffsets(void **StackTrace, int Depth,
+                                  const char **Modules, intptr_t *Offsets,
+                                  const char *MainExecutableName,
+                                  StringSaver &StrPool) {
+  return false;
+}
 #endif // defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
 
 // PrintStackTrace - In the case of a program crash or fault, print out a stack