(#15824) libbacktrace: retrieve automake wrapper scripts using newer …

…user conf

recipes/libbacktrace/all/conanfile.py

@@ -32,10 +32,6 @@ class LibbacktraceConan(ConanFile):
     def _settings_build(self):
         return getattr(self, "settings_build", self.settings)
 
-    @property
-    def _user_info_build(self):
-        return getattr(self, "user_info_build", self.deps_user_info)
-
     def export_sources(self):
         export_conandata_patches(self)
 
@@ -81,8 +77,8 @@ def generate(self):
 
         if is_msvc(self):
             env = Environment()
-            compile_wrapper = unix_path(self, self._user_info_build["automake"].compile)
-            ar_wrapper = unix_path(self, self._user_info_build["automake"].ar_lib)
+            compile_wrapper = unix_path(self, self.conf.get("user.automake:compile-wrapper"))
+            ar_wrapper = unix_path(self, self.conf.get("user.automake:lib-wrapper"))
             env.define("CC", f"{compile_wrapper} cl -nologo")
             env.define("CXX", f"{compile_wrapper} cl -nologo")
             env.define("LD", "link -nologo")