fix build dir in package

1 files changed, 2 insertions, 2 deletions

diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index da2544d08..3f9917850 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -830,9 +830,9 @@ function _instance:builddir()
         if self:is_local() then
             local name = self:name():lower():gsub("::", "_")
             local rootdir = path.join(config.builddir({absolute = true}), ".packages", name:sub(1, 1):lower(), name, self:version_str())
-            builddir = path.join(rootdir, "cache", "build_" .. self:buildhash():sub(1, 8))
+            builddir = path.join(rootdir, "cache", "build_" .. hash.rand64())
         else
-            builddir = "build_" .. self:buildhash():sub(1, 8)
+            builddir = "build_" .. hash.rand64()
         end
         self._BUILDDIR = builddir
     end