From 6967fa911723260f3b3753796d09ef6d1a1c6507 Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Tue, 20 Sep 2022 16:30:34 +0200
Subject: [PATCH] Update config.h to use a .cpp file that will be recompiled
 when it changes

---
 kernel/include/config.h  | 26 ++++----------------------
 kernel/src/config.cpp    | 31 +++++++++++++++++++++++++++++++
 kernel/src/main.cpp      |  2 +-
 kernel/src/rand/Init.cpp |  2 +-
 4 files changed, 37 insertions(+), 24 deletions(-)
 create mode 100644 kernel/src/config.cpp

diff --git a/kernel/include/config.h b/kernel/include/config.h
index a0bc9861..72ce5d96 100644
--- a/kernel/include/config.h
+++ b/kernel/include/config.h
@@ -1,23 +1,5 @@
-#ifndef STRINGIZE
-#define STRINGIZE(x) #x
-#endif
+#pragma once
 
-#ifndef STRINGIZE_VALUE_OF
-#define STRINGIZE_VALUE_OF(x) STRINGIZE(x)
-#endif
-
-#ifndef MOON_MAJOR
-#define MOON_MAJOR 0
-#endif
-
-#ifndef MOON_MINOR
-#define MOON_MINOR 3
-#endif
-
-#ifndef MOON_SUFFIX
-#ifndef _MOON_SUFFIX
-#define MOON_SUFFIX ""
-#else
-#define MOON_SUFFIX STRINGIZE_VALUE_OF(_MOON_SUFFIX)
-#endif
-#endif
\ No newline at end of file
+int __moon_version_major();
+int __moon_version_minor();
+const char* __moon_version_suffix();
\ No newline at end of file
diff --git a/kernel/src/config.cpp b/kernel/src/config.cpp
new file mode 100644
index 00000000..4b04b372
--- /dev/null
+++ b/kernel/src/config.cpp
@@ -0,0 +1,31 @@
+#include "config.h"
+
+#define STRINGIZE(x) #x
+#define STRINGIZE_VALUE_OF(x) STRINGIZE(x)
+
+int __moon_version_major()
+{
+#ifndef MOON_MAJOR
+    return 0;
+#else
+    return MOON_MAJOR;
+#endif
+}
+
+int __moon_version_minor()
+{
+#ifndef MOON_MINOR
+    return 3;
+#else
+    return MOON_MINOR;
+#endif
+}
+
+const char* __moon_version_suffix()
+{
+#ifndef _MOON_SUFFIX
+    return "";
+#else
+    return STRINGIZE_VALUE_OF(_MOON_SUFFIX);
+#endif
+}
\ No newline at end of file
diff --git a/kernel/src/main.cpp b/kernel/src/main.cpp
index 2ef56dd0..297fce11 100644
--- a/kernel/src/main.cpp
+++ b/kernel/src/main.cpp
@@ -32,7 +32,7 @@ extern "C" void _start()
     Init::disable_smp(); // Put all other cores except the bootstrap one in an infinite loop
     Init::early_init();
 
-    kinfoln("Starting Moon %d.%d%s", MOON_MAJOR, MOON_MINOR, MOON_SUFFIX);
+    kinfoln("Starting Moon %d.%d%s", __moon_version_major(), __moon_version_minor(), __moon_version_suffix());
 
     CPU::log_cpu_information();
 
diff --git a/kernel/src/rand/Init.cpp b/kernel/src/rand/Init.cpp
index b322db51..c984281c 100644
--- a/kernel/src/rand/Init.cpp
+++ b/kernel/src/rand/Init.cpp
@@ -43,7 +43,7 @@ void Mersenne::init()
     has_rdrand = CPU::has_feature(CPU::Features::RDRAND);
     has_rdseed = asm_test_rdseed();
 
-    state ^= (0x45fe1024UL + MOON_MAJOR) * (MOON_MINOR ^ 200UL);
+    state ^= (0x45fe1024UL + __moon_version_major()) * (__moon_version_minor() ^ 200UL);
 
     state ^= 0xe0e4f5332ea75b;