First Commit

ext/libpqxx-7.7.3/config-tests/strerror_r.cxx

@@ -0,0 +1,14 @@
+// Check for strerror_r.
+// It can be either the POSIX version (which returns int) or the GNU version
+// (which returns char *).
+
+#include <cstring>
+#include <type_traits>
+
+int main()
+{
+  char buffer[200];
+  auto res{strerror_r(1, buffer, 200)};
+  // Sidestep type differences.  We don't really care what the value is.
+  return not not res;
+}