Make it easier to suppress mismatched selector warnings. It's useful for the runtime to tell you when your code is bad. Not so useful for it to tell you when someone else's code is bad...

GNUmakefile

@@ -67,6 +67,7 @@ libobjc_HEADER_FILES = \
 	toydispatch.h
 endif
 
+# Disable type dependent dispatch if tdd=no is specified
 ifneq ($(tdd), no)
 libobjc_CPPFLAGS += -DTYPE_DEPENDENT_DISPATCH
 endif
@@ -77,6 +78,12 @@ else
 libobjc_LIBRARIES_DEPEND_UPON += -lpthread 
 endif
 
+# If we're doing a release build, don't tell people that the code that they're
+# using is rubbish - they complain.
+#CPPFLAGS += -DNO_SELECTOR_MISMATCH_WARNINGS
+
+libobjc_CFLAGS +=  -O3
+
 # Deprecated functions are only deprecated for external use, not for us because
 # we are special, precious, little flowers.
 libobjc_CPPFLAGS += -D__OBJC_RUNTIME_INTERNAL__=1 -D_XOPEN_SOURCE=500
@@ -84,16 +91,13 @@ libobjc_CPPFLAGS += -D__OBJC_RUNTIME_INTERNAL__=1 -D_XOPEN_SOURCE=500
 # useful on compilers that support C99 (currently only clang), so there is no
 # benefit from supporting platforms with no C99 compiler.
 libobjc_CFLAGS += -std=gnu99 -g -fexceptions #-fvisibility=hidden
-libobjc_CFLAGS += -Wno-unused-function
 libobjc_CCFLAGS += -std=c++98 -g -fexceptions #-fvisibility=hidden
+libobjc_CFLAGS += -Wno-unused-function
 
 # Uncomment this when debugging - it makes everything slow, but means that the
 # debugger actually works...
 #libobjc_CFLAGS += -fno-inline
 libobjc_OBJCFLAGS += $(libobjc_CFLAGS) $(libobjc_CFLAGS)
-libobjc_LDFLAGS += -g
-
-libobjc_CFLAGS +=  -O3
 
 ifneq ($(findstring gcc, $(CC)),)
   # Hack to get the __sync_* GCC builtins to work with GCC

Makefile

@@ -12,6 +12,9 @@ CXXFLAGS += -fPIC
 CPPFLAGS += -DTYPE_DEPENDENT_DISPATCH -DGNUSTEP
 CPPFLAGS += -D__OBJC_RUNTIME_INTERNAL__=1 -D_XOPEN_SOURCE=500
 
+# Suppress warnings about incorrect selectors
+CPPFLAGS += -DNO_SELECTOR_MISMATCH_WARNINGS
+
 PREFIX?= /usr/local
 LIB_DIR= ${PREFIX}/lib
 HEADER_DIR= ${PREFIX}/include

sendmsg2.c

@@ -25,6 +25,7 @@ static Slot_t objc_msg_forward3_null(id receiver, SEL op) { return &nil_slot; }
 id (*objc_proxy_lookup)(id receiver, SEL op) = objc_proxy_lookup_null;
 Slot_t (*__objc_msg_forward3)(id receiver, SEL op) = objc_msg_forward3_null;
 
+#ifdef NO_SELECTOR_MISMATCH_WARNINGS
 static struct objc_slot* objc_selector_type_mismatch(Class cls, SEL
 		selector, Slot_t result)
 {
@@ -37,6 +38,13 @@ static struct objc_slot* objc_selector_type_mismatch(Class cls, SEL
 			sel_getType_np(selector));
 	return result;
 }
+#else
+static struct objc_slot* objc_selector_type_mismatch(Class cls, SEL
+		selector, Slot_t result)
+{
+	return result;
+}
+#endif
 struct objc_slot* (*_objc_selector_type_mismatch)(Class cls, SEL
 		selector, struct objc_slot *result) = objc_selector_type_mismatch;
 static