From 767596ed38633f27d037222b7ebbacdfc91e40ef Mon Sep 17 00:00:00 2001
From: crueter <crueter@eden-emu.dev>
Date: Tue, 26 Aug 2025 20:53:46 -0400
Subject: [PATCH] [cmake] fix hash fetch

Signed-off-by: crueter <crueter@eden-emu.dev>
---
 CMakeModules/CPMUtil.cmake | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeModules/CPMUtil.cmake b/CMakeModules/CPMUtil.cmake
index f460a8df94..33c07c59b6 100644
--- a/CMakeModules/CPMUtil.cmake
+++ b/CMakeModules/CPMUtil.cmake
@@ -375,9 +375,13 @@ function(AddPackage)
             file(DOWNLOAD ${hash_url} ${outfile})
         endif()
 
-        file(READ ${outfile} pkg_hash_tmp)
+        if (EXISTS ${outfile})
+            file(READ ${outfile} pkg_hash_tmp)
+        endif()
 
-        set(pkg_hash "${hash_algo}=${pkg_hash_tmp}")
+        if (DEFINED ${pkg_hash_tmp})
+            set(pkg_hash "${hash_algo}=${pkg_hash_tmp}")
+        endif()
     endif()
 
     # TODO(crueter): force system/bundled for specific packages via options e.g httplib_SYSTEM