fix find package

1 files changed, 5 insertions, 3 deletions

diff --git a/xmake/core/sandbox/modules/import/lib/detect/find_package.lua b/xmake/core/sandbox/modules/import/lib/detect/find_package.lua
index 507ed5847..c770ace3e 100644
--- a/xmake/core/sandbox/modules/import/lib/detect/find_package.lua
+++ b/xmake/core/sandbox/modules/import/lib/detect/find_package.lua
@@ -248,9 +248,11 @@ function sandbox_lib_detect_find_package._find_from_prefixdirs(name, opt)
         result.includedirs = table.unique(includedirs)
 
         -- inherit the other prefix variables
-        for name, values in pairs(prefixinfo) do
-            if name ~= "links" and name ~= "linkdirs" and name ~= "includedirs" and name ~= "installed" and name ~= "prefixdir" then
-                result[name] = values
+        if prefixinfo then
+            for name, values in pairs(prefixinfo) do
+                if name ~= "links" and name ~= "linkdirs" and name ~= "includedirs" and name ~= "installed" and name ~= "prefixdir" then
+                    result[name] = values
+                end
             end
         end
     end