Replace all gflag implementations with cvar implementations

src/xenia/base/main_win.cc

@@ -10,7 +10,6 @@
 #include "xenia/base/main.h"
 
 #include <fcntl.h>
-#include <gflags/gflags.h>
 #include <io.h>
 
 #include <cstdlib>
@@ -18,6 +17,7 @@
 // Autogenerated by `xb premake`.
 #include "build/version.h"
 
+#include "xenia/base/filesystem.h"
 #include "xenia/base/logging.h"
 #include "xenia/base/platform_win.h"
 #include "xenia/base/string.h"
@@ -25,9 +25,10 @@
 #include "third_party/xbyak/xbyak/xbyak_util.h"
 
 #include <bcrypt.h>
+#include "xenia/base/cvar.h"
 
 DEFINE_bool(win32_high_freq, true,
-            "Requests high performance from the NT kernel");
+            "Requests high performance from the NT kernel", "Kernel");
 
 namespace xe {
 
@@ -96,10 +97,6 @@ int Main() {
     return 1;
   }
 
-  google::SetUsageMessage(std::string("usage: ") +
-                          xe::to_string(entry_info.usage));
-  google::SetVersionString("1.0");
-
   // Convert all args to narrow, as gflags doesn't support wchar.
   int argca = argc;
   char** argva = reinterpret_cast<char**>(alloca(sizeof(char*) * argca));
@@ -109,8 +106,7 @@ int Main() {
     std::wcstombs(argva[n], argv[n], len + 1);
   }
 
-  // Parse flags; this may delete some of them.
-  google::ParseCommandLineFlags(&argc, &argva, true);
+  cvar::ParseLaunchArguments(argca, argva);
 
   // Widen all remaining flags and convert to usable strings.
   std::vector<std::wstring> args;
@@ -143,7 +139,7 @@ int Main() {
          XE_BUILD_DATE);
 
   // Request high performance timing.
-  if (FLAGS_win32_high_freq) {
+  if (cvars::win32_high_freq) {
     RequestHighPerformance();
   }
 
@@ -151,7 +147,6 @@ int Main() {
   int result = entry_info.entry_point(args);
 
   xe::ShutdownLogging();
-  google::ShutDownCommandLineFlags();
   LocalFree(argv);
   return result;
 }