--- rpm-4.16.1.2.org/macros.in	2021-02-25 08:15:48.438647368 +0100
+++ rpm-4.16.1.2/macros.in	2021-02-25 08:18:39.103948354 +0100
@@ -818,9 +818,11 @@ package or when debugging this package.\
   RPM_PACKAGE_VERSION=\"%{VERSION}\"\
   RPM_PACKAGE_RELEASE=\"%{RELEASE}\"\
   export RPM_PACKAGE_NAME RPM_PACKAGE_VERSION RPM_PACKAGE_RELEASE\
+  LC_ALL=C\
+  export LC_ALL\
   LANG=C\
   export LANG\
-  unset CDPATH DISPLAY ||:\
+  unset CDPATH DISPLAY LANGUAGE LINGUAS PERL_MM_OPT||:\
   %{?buildroot:RPM_BUILD_ROOT=\"%{u2p:%{buildroot}}\"\
   export RPM_BUILD_ROOT}\
   %{?_javaclasspath:CLASSPATH=\"%{_javaclasspath}\"\