Merge pull request #350 from lasergnu/stacktrace

Many platforms don't support backtraces. Fix compile for Solaris platform

cli/cppcheckexecutor.cpp

@@ -32,7 +32,7 @@
 #include <algorithm>
 #include <climits>
 
-#if !defined(NO_UNIX_SIGNAL_HANDLING) && defined(__GNUC__) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(__OS2__)
+#if !defined(NO_UNIX_SIGNAL_HANDLING) && defined(__GNUC__) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(__OS2__) && !defined(__SVR4)
 #define USE_UNIX_SIGNAL_HANDLING
 #include <execinfo.h>
 #include <cxxabi.h>
@@ -237,7 +237,7 @@ static const char *signal_name(int signo)
  */
 static void print_stacktrace(FILE* f, bool demangling)
 {
-#if defined(__GNUC__)
+#if defined(USE_UNIX_SIGNAL_SUPPORT)
     void *array[32]= {0}; // the less resources the better...
     const int depth = backtrace(array, (int)GetArrayLength(array));
     char **symbolstrings = backtrace_symbols(array, depth);

cli/threadexecutor.cpp

@@ -20,6 +20,9 @@
 #include "cppcheck.h"
 #include "cppcheckexecutor.h"
 #include <iostream>
+#ifdef __SVR4  // Solaris
+#include <sys/loadavg.h>
+#endif
 #ifdef THREADING_MODEL_FORK
 #include <algorithm>
 #include <sys/select.h>