improve envs

1 files changed, 0 insertions, 28 deletions

diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index 3c2f36e75..c4db97454 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -591,18 +591,8 @@ end
 
 -- enter the package environments
 function _instance:envs_enter()
-
-    -- save the old environments
-    local oldenvs = self._OLDENVS
-    if not oldenvs then
-        oldenvs = {}
-        self._OLDENVS = oldenvs
-    end
-
-    -- add the new environments
     local installdir = self:installdir()
     for name, values in pairs(self:envs()) do
-        oldenvs[name] = oldenvs[name] or os.getenv(name)
         if name == "PATH" or name == "LD_LIBRARY_PATH" or name == "DYLD_LIBRARY_PATH" then
             for _, value in ipairs(values) do
                 if path.is_absolute(value) then
@@ -617,24 +607,6 @@ function _instance:envs_enter()
     end
 end
 
--- leave the package environments
-function _instance:envs_leave()
-    local oldenvs = self._OLDENVS
-    if oldenvs then
-        -- remove new added values
-        for name, _ in pairs(self:envs()) do
-            if not oldenvs[name] then
-                os.setenv(name, nil)
-            end
-        end
-        -- restore old values
-        for name, values in pairs(oldenvs) do
-            os.setenv(name, values)
-        end
-        self._OLDENVS = nil
-    end
-end
-
 -- get the given environment variable
 function _instance:getenv(name)
     return self:envs()[name]