macos: don't assume that all macOS major versions are simple numeric values

common/util/os.cpp

@@ -2,6 +2,7 @@
 
 #include "common/common_types.h"
 #include "common/log/log.h"
+#include "common/util/string_util.h"
 
 #ifdef __APPLE__
 #include <stdio.h>
@@ -112,7 +113,7 @@ CpuInfo& get_cpu_info() {
   return gCpuInfo;
 }
 
-std::optional<double> get_macos_version() {
+std::optional<double> get_macos_major_version() {
 #ifndef __APPLE__
   return {};
 #else
@@ -124,7 +125,11 @@ std::optional<double> get_macos_version() {
     return {};
   }
   try {
-    return std::stod(buffer);
+    std::string macos_major_version = buffer;
+    if (str_util::contains(buffer, ".")) {
+      macos_major_version = str_util::split_string(macos_major_version, ".")[0];
+    }
+    return std::stod(macos_major_version);
   } catch (std::exception& e) {
     lg::error("Error occured when attempting to convert sysctl value {} to number", buffer);
     return {};

common/util/os.h

@@ -18,4 +18,4 @@ struct CpuInfo {
 
 CpuInfo& get_cpu_info();
 
-std::optional<double> get_macos_version();
+std::optional<double> get_macos_major_version();

game/main.cpp

@@ -182,8 +182,8 @@ int main(int argc, char** argv) {
 // Check if we are on a modern enough version of macOS so that AVX can be
 // emulated via rosetta
 #ifdef __APPLE__
-    auto macos_version = get_macos_version();
-    if (macos_version < 15.0) {
+    auto macos_major_version = get_macos_major_version();
+    if (macos_major_version < 15.0) {
       lg::info(
           "Your CPU does not support AVX. But the newer version of Rosetta supports it, update to "
           "atleast Sequoia to run OpenGOAL!");