minor build system changes

[chaz/yoink] / src / MainLayer.cc

diff --git a/src/MainLayer.cc b/src/MainLayer.cc
index 2266326402f89b475df8c1a57b3f4abd3dba9d37..c5a93864a57f24e34cbfa1df103409d10ae1864b 100644 (file)
--- a/src/MainLayer.cc
+++ b/src/MainLayer.cc
@@ -27,7 +27,6 @@
 *******************************************************************************/
 
 #include <cstdlib>             // atexit, getenv
-#include <cstring>
 #include <iostream>
 #include <string>
 
@@ -46,6 +45,7 @@
 #if HAVE_CONFIG_H
 #include "config.h"
 #endif
+#include "version.h"
 
 
 MainLayer::MainLayer()
@@ -171,12 +171,14 @@ void MainLayer::contextRecreated(const Mf::Notification* note)
 
 void printUsage()
 {
-       std::cout << "Usage: "PACKAGE" [-h|--help] [OPTION=VALUE]..." << std::endl
+       std::cout << "Usage: "PACKAGE" [-h|--help] [-i|--info] [OPTION=VALUE]..." << std::endl
                          << "The alien-smashing action game." << std::endl
                          << std::endl
                          << "Options:" << std::endl
                          << "  -h, --help" << std::endl
                          << "      show this help and exit" << std::endl
+                         << "  -i, --info" << std::endl
+                         << "      show version and build information" << std::endl
                          << "  detail=1|2|3" << std::endl
                          << "      the level of detail of game scenes" << std::endl
                          << "  fullscreen=true|false" << std::endl
@@ -187,18 +189,59 @@ void printUsage()
                          << "See documentation for more options." << std::endl;
 }
 
+void printInfo()
+{
+       std::cout << PACKAGE_STRING << std::endl
+#ifdef __DATE__
+                         << "When compiled: "__DATE__" "__TIME__ << std::endl
+#endif
+                         << "Compiler: "COMPILER_STRING << std::endl
+                         << "Asset directory: "YOINK_DATADIR << std::endl
+                         << "Build options: "
+#ifdef NDEBUG
+                         << "-"
+#endif
+                         << "debug "
+#ifndef USE_DOUBLE_PRECISION
+                         << "-"
+#endif
+                         << "double-precision "
+#ifndef PROFILING_ENABLED
+                         << "-"
+#endif
+                         << "profile "
+#ifndef USE_THREADS
+                         << "-"
+#endif
+                         << "threads "
+                         << std::endl;
+#if !defined (_WIN32) && !defined(__WIN32__)
+       system("uname -a");
+#endif
+}
+
 void goodbye()
 {
        std::cout << std::endl << "Goodbye..." << std::endl << std::endl;
 }
 
+
+
 int main(int argc, char* argv[])
 {
-       if (argc > 1 &&
-                       (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0))
+       if (argc > 1)
        {
-               printUsage();
-               return 0;
+               std::string arg(argv[1]);
+               if (arg == "-h" || arg == "--help")
+               {
+                       printUsage();
+                       return 0;
+               }
+               else if (arg == "-i" || arg == "--info")
+               {
+                       printInfo();
+                       return 0;
+               }
        }
 
        std::cout << std::endl << PACKAGE_STRING << std::endl