Enable deprecation warnings

Author: DaAwesomeP

Makefile.am

@@ -71,13 +71,6 @@ if FATAL_WARNINGS
   COMMON_TESTING_FLAGS += -Werror
   COMMON_TESTING_PROTOBUF_FLAGS += -Werror -Wno-error=unused-parameter \
                                    -Wno-error=deprecated-declarations
-
-if GNU_PLUS_PLUS_11_DEPRECATIONS
-    # We have to use gnu++11 for some reason, so stop it complaining about
-    # auto_ptr
-    COMMON_CXXFLAGS += -Wno-error=deprecated-declarations
-    COMMON_TESTING_FLAGS += -Wno-error=deprecated-declarations
-endif
 endif
 endif
 

configure.ac

@@ -132,7 +132,6 @@ AS_IF([test "x$ac_cv_gnu_plus_plus_11" = xyes],
       ])
 AS_IF([test "x$require_gnu_plus_plus_11" = xyes],
       [CXXFLAGS="$CXXFLAGS -std=gnu++11"])
-AM_CONDITIONAL([GNU_PLUS_PLUS_11_DEPRECATIONS], [test "x$require_gnu_plus_plus_11" = xyes])
 
 # Checks for header files.
 AC_HEADER_DIRENT