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Don't overflow return value from main()
--- libs/stacktrace/build/has_addr2line.cpp.orig 2017-07-10 14:19:05 UTC
+++ libs/stacktrace/build/has_addr2line.cpp
@@ -4,22 +4,24 @@
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
-#include <cstdlib>
#include <string>
#include <boost/config.hpp>
-#include <unwind.h>
-#include <sys/types.h>
-#include <sys/wait.h>
+#ifdef BOOST_MSVC
+#include <io.h>
+#define X_OK 4
+#define access _access
+#else
+#include <unistd.h>
+#endif
int main() {
#ifdef BOOST_STACKTRACE_ADDR2LINE_LOCATION
std::string s = BOOST_STRINGIZE( BOOST_STACKTRACE_ADDR2LINE_LOCATION );
- s += " -h";
#else
- std::string s = "/usr/bin/addr2line -h";
+ std::string s = "/usr/bin/addr2line";
#endif
- return std::system(s.c_str());
+ return ::access(s.c_str(), X_OK) == -1;
}