1 files changed, 9 insertions, 0 deletions
diff --git a/src/support/command-line.cpp b/src/support/command-line.cpp
index f1b4fca4d..be5098677 100644
--- a/src/support/command-line.cpp
+++ b/src/support/command-line.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "support/command-line.h"
+#include "config.h"
 
 using namespace wasm;
 
@@ -51,6 +52,14 @@ void printWrap(std::ostream& os, int leftPad, const std::string& content) {
 
 Options::Options(const std::string& command, const std::string& description)
   : debug(false), positional(Arguments::Zero) {
+  add("--version",
+      "",
+      "Output version information and exit",
+      Arguments::Zero,
+      [command](Options*, const std::string&) {
+        std::cout << command << " " << BINARYEN_VERSION_INFO << "\n";
+        exit(0);
+      });
   add("--help",
       "-h",
       "Show this help message and exit",