Reorganize library code into `libs/` (#3119)

* Reorganize files into libs/{dolphin,JSystem,PowerPC_EABI_Support,revolution,TRK_MINNOW_DOLPHIN}

* Update configure.py and project.py for new libs structure

* Refactor `#include <dolphin/x.h>` -> `<x.h>`

* Remove `__REVOLUTION_SDK__` forwards from dolphin

* Fix dolphin/ references in revolution

* Wrap `#include <dolphin.h>` in `!__REVOLUTION_SDK__`

* Always build TRK against dolphin headers

* Resolve revolution SDK header resolution issues

1 files changed, 16 insertions, 0 deletions

diff --git a/libs/JSystem/src/JHostIO/JORMessageBox.cpp b/libs/JSystem/src/JHostIO/JORMessageBox.cpp
new file mode 100644
index 0000000000..e7ce1cc954
--- /dev/null
+++ b/libs/JSystem/src/JHostIO/JORMessageBox.cpp
@@ -0,0 +1,16 @@
+#include "JSystem/JSystem.h" // IWYU pragma: keep
+
+#include "JSystem/JHostIO/JORServer.h"
+
+u32 JORMessageBox(const char* message, const char* title, u32 style) {
+    u32 status = 0;
+    JORMContext* mctx = JORServer::getInstance()->attachMCTX(MCTX_MSG_OPEN_MESSAGE_BOX);
+    mctx->openMessageBox(&status, style, message, title);
+    JORServer::getInstance()->releaseMCTX(mctx);
+
+    while (status == 0) {
+        JOR_MESSAGELOOP();
+    }
+
+    return status;
+}