Fix for lp:1164442

[awesomized/libmemcached] / m4 / ax_harden_compiler_flags.m4

diff --git a/m4/ax_harden_compiler_flags.m4 b/m4/ax_harden_compiler_flags.m4
index 2daeb1a19c4015c9c67ebdd0237c5bcd5f48b2ab..fc3e4a240418963dbfab9ef32a86fac51ea2373b 100644 (file)
--- a/m4/ax_harden_compiler_flags.m4
+++ b/m4/ax_harden_compiler_flags.m4
@@ -53,7 +53,7 @@
 # ?  _APPEND_COMPILE_FLAGS_ERROR([-Wlong-long]) -- Don't turn on for
 # compatibility issues memcached_stat_st
 
-#serial 8
+#serial 9
 
 AC_DEFUN([_WARNINGS_AS_ERRORS],
     [AC_CACHE_CHECK([if all warnings into errors],[ac_cv_warnings_as_errors],
@@ -92,9 +92,12 @@ AC_DEFUN([_HARDEN_CC_COMPILER_FLAGS],
            _APPEND_COMPILE_FLAGS_ERROR([-H])
            _APPEND_COMPILE_FLAGS_ERROR([-ggdb])
            _APPEND_COMPILE_FLAGS_ERROR([-g])
-           _APPEND_COMPILE_FLAGS_ERROR([-O0])],
-           [_APPEND_COMPILE_FLAGS_ERROR([-g])
-           _APPEND_COMPILE_FLAGS_ERROR([-O2])])
+           _APPEND_COMPILE_FLAGS_ERROR([-O0]),
+           _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer])
+           ],[
+           _APPEND_COMPILE_FLAGS_ERROR([-g])
+           _APPEND_COMPILE_FLAGS_ERROR([-O2])
+           ])
 
          AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
            [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
@@ -155,26 +158,31 @@ AC_DEFUN([_HARDEN_CC_COMPILER_FLAGS],
           _APPEND_COMPILE_FLAGS_ERROR([-Wundef])
           _APPEND_COMPILE_FLAGS_ERROR([-Wunsafe-loop-optimizations])
           _APPEND_COMPILE_FLAGS_ERROR([-funsafe-loop-optimizations])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=address])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=thread])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=memory])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=alignment])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bool])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bounds])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=enum])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-cast-overflow])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-divide-by-zero])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer-divide-by-zero])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=null])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=object-size])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=return])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=shift])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=signed-integer-overflow])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unreachable])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unsigned-integer-overflow])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vla-bound])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vptr])
+          AS_IF([test "x$ac_cv_vcs_checkout" = xyes],[
+            _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer]),
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=address])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer])
+            AS_IF([test "x$enable_shared" = "xyes"],[
+                _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=thread])
+                ])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=memory])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=alignment])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bool])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bounds])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=enum])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-cast-overflow])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-divide-by-zero])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer-divide-by-zero])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=null])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=object-size])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=return])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=shift])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=signed-integer-overflow])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unreachable])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unsigned-integer-overflow])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vla-bound])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vptr])
+          ])
           _APPEND_COMPILE_FLAGS_ERROR([-Wclobbered])
           _APPEND_COMPILE_FLAGS_ERROR([-Wunused])
           _APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
@@ -186,6 +194,7 @@ AC_DEFUN([_HARDEN_CC_COMPILER_FLAGS],
           _APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
           _APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
           _APPEND_COMPILE_FLAGS_ERROR([-pipe])
+          _APPEND_COMPILE_FLAGS_ERROR([-Wsizeof-pointer-memaccess])
 
           AS_IF([test "x$ax_enable_debug" = xno],
             [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
@@ -213,9 +222,12 @@ AC_DEFUN([_HARDEN_CXX_COMPILER_FLAGS],
            _APPEND_COMPILE_FLAGS_ERROR([-H])
            _APPEND_COMPILE_FLAGS_ERROR([-ggdb])
            _APPEND_COMPILE_FLAGS_ERROR([-g])
-           _APPEND_COMPILE_FLAGS_ERROR([-O0])],
-           [_APPEND_COMPILE_FLAGS_ERROR([-g])
-           _APPEND_COMPILE_FLAGS_ERROR([-O2])])
+           _APPEND_COMPILE_FLAGS_ERROR([-O0]),
+           _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer])
+           ],[
+           _APPEND_COMPILE_FLAGS_ERROR([-g])
+           _APPEND_COMPILE_FLAGS_ERROR([-O2])
+           ])
 
          AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
            [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
@@ -268,27 +280,32 @@ AC_DEFUN([_HARDEN_CXX_COMPILER_FLAGS],
           _APPEND_COMPILE_FLAGS_ERROR([-funsafe-loop-optimizations])
           _APPEND_COMPILE_FLAGS_ERROR([-Wc++11-compat])
 #         _APPEND_COMPILE_FLAGS_ERROR([-Weffc++])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=address])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=thread])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=memory])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=alignment])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bool])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bounds])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=enum])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-cast-overflow])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-divide-by-zero])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer-divide-by-zero])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=null])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=object-size])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=return])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=shift])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=signed-integer-overflow])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unreachable])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unsigned-integer-overflow])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vla-bound])
-          _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vptr])
-#          _APPEND_COMPILE_FLAGS_ERROR([-Wold-style-cast])
+          AS_IF([test "x$ac_cv_vcs_checkout" = xyes],[
+            _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer]),
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=address])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer])
+            AS_IF([test "x$enable_shared" = "xyes"],[
+                _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=thread])
+                ])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=memory])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=alignment])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bool])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bounds])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=enum])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-cast-overflow])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-divide-by-zero])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer-divide-by-zero])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=null])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=object-size])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=return])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=shift])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=signed-integer-overflow])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unreachable])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unsigned-integer-overflow])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vla-bound])
+            _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vptr])
+          ])
+#         _APPEND_COMPILE_FLAGS_ERROR([-Wold-style-cast])
           _APPEND_COMPILE_FLAGS_ERROR([-Wclobbered])
           _APPEND_COMPILE_FLAGS_ERROR([-Wunused])
           _APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
@@ -301,6 +318,7 @@ AC_DEFUN([_HARDEN_CXX_COMPILER_FLAGS],
           _APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
           _APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
           _APPEND_COMPILE_FLAGS_ERROR([-pipe])
+          _APPEND_COMPILE_FLAGS_ERROR([-Wsizeof-pointer-memaccess])
 
           AS_IF([test "x$ax_enable_debug" = xno],
           [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],