Disable warnings about register specifier in system headers

boxbackup · Apr 17, 2017 · 4c3e59f · 4c3e59f
1 parent bd9be2a
commit 4c3e59f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/infrastructure/m4/boxbackup_tests.m4 b/infrastructure/m4/boxbackup_tests.m4
@@ -46,6 +46,9 @@ AX_CHECK_COMPILE_FLAG(-std=c++0x,
 	[cxxflags_strict="$cxxflags_strict -std=c++0x"])
 # And if we're going to do that, we don't want warnings about std::auto_ptr being deprecated:
 BOX_CHECK_CXX_FLAG(-Wno-deprecated-declarations)
+# We also get copious warnings from the 'register' storage class specifier in the system
+# headers (ntohl and friends) which we can't do much about, so disable it:
+BOX_CHECK_CXX_FLAG(-Wno-deprecated-register)
 AC_SUBST([CXXFLAGS_STRICT], [$cxxflags_strict])
 
 if test "x$GXX" = "xyes"; then