From e8854b6bdc956c46dc4232bd07c17163034a00f2 Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Sat, 15 Jun 2024 18:07:04 +0300
Subject: [PATCH] CMake: Add XZ_ASSUME_RAM

---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 48ddfe89..4ebce3f4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1790,7 +1790,9 @@ if(NOT MSVC OR MSVC_VERSION GREATER_EQUAL 1900)
 
     target_link_libraries(xz PRIVATE liblzma libgnu)
 
-    target_compile_definitions(xz PRIVATE ASSUME_RAM=128)
+    set(XZ_ASSUME_RAM "128" CACHE STRING "Assume that the system has \
+this many MiB of RAM if xz cannot determine the amount at runtime")
+    target_compile_definitions(xz PRIVATE "ASSUME_RAM=${XZ_ASSUME_RAM}")
 
     if(WIN32)
         # Add the Windows resource file for xz.exe.