From 995a34e0e359b8c772a41e86b7f5fb470b3080ad Mon Sep 17 00:00:00 2001
From: Stenzek <stenzek@gmail.com>
Date: Wed, 12 Feb 2025 22:20:39 +1000
Subject: [PATCH] CMake: Correctly unset host page size if set via cache

Fixes x86 flatpak builds unnecessarily using dynamic page size.
---
 CMakeModules/DuckStationUtils.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeModules/DuckStationUtils.cmake b/CMakeModules/DuckStationUtils.cmake
index f0635f1ac..d7ea0b096 100644
--- a/CMakeModules/DuckStationUtils.cmake
+++ b/CMakeModules/DuckStationUtils.cmake
@@ -120,8 +120,11 @@ function(detect_page_size)
   # For universal Apple builds, we use preprocessor macros to determine page size.
   # Similar for Windows, except it's always 4KB.
   if(NOT CPU_ARCH_ARM64 OR NOT LINUX)
+    unset(HOST_PAGE_SIZE CACHE)
     unset(HOST_PAGE_SIZE PARENT_SCOPE)
+    unset(HOST_MIN_PAGE_SIZE CACHE)
     unset(HOST_MIN_PAGE_SIZE PARENT_SCOPE)
+    unset(HOST_MAX_PAGE_SIZE CACHE)
     unset(HOST_MAX_PAGE_SIZE PARENT_SCOPE)
     return()
   elseif(DEFINED HOST_PAGE_SIZE)
@@ -168,6 +171,7 @@ endfunction()
 function(detect_cache_line_size)
   # This is only needed for ARM64, or if the user hasn't overridden it explicitly.
   if(NOT CPU_ARCH_ARM64 OR HOST_CACHE_LINE_SIZE)
+    unset(HOST_CACHE_LINE_SIZE CACHE)
     unset(HOST_CACHE_LINE_SIZE PARENT_SCOPE)
     return()
   endif()