Always build using gnu99 and gnu++0x

This opensource after all, why not use them?

source/Makefile.mk

@@ -31,8 +31,8 @@ endif
 32BIT_FLAGS = -m32
 64BIT_FLAGS = -m64
 
-BUILD_C_FLAGS   = $(BASE_FLAGS) -std=c99 $(CFLAGS)
-BUILD_CXX_FLAGS = $(BASE_FLAGS) -std=c++0x $(CXXFLAGS)
+BUILD_C_FLAGS   = $(BASE_FLAGS) -std=gnu99 $(CFLAGS)
+BUILD_CXX_FLAGS = $(BASE_FLAGS) -std=gnu++0x $(CXXFLAGS)
 LINK_FLAGS      = $(LDFLAGS)
 
 # --------------------------------------------------------------

source/backend/native/Makefile

@@ -8,7 +8,6 @@ include ../Makefile.mk
 
 # --------------------------------------------------------------
 
-BUILD_C_FLAGS   += -std=gnu99
 BUILD_CXX_FLAGS += -I../../libs/distrho
 BUILD_CXX_FLAGS += $(shell pkg-config --cflags QtCore QtGui gl)
 LINK_FLAGS      += $(shell pkg-config --libs QtCore QtGui gl)

source/libs/rtmempool/list.h

@@ -256,9 +256,13 @@ static inline void list_splice_init(struct list_head *list, struct list_head *he
  * @type:   the type of the struct this is embedded in.
  * @member: the name of the list_struct within the struct.
  */
-#define list_entry(ptr, type, member) \
+#ifdef __GNUC__
+# define list_entry(ptr, type, member) \
+    container_of(ptr, type, member)
+#else
+# define list_entry(ptr, type, member) \
     ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
-    //container_of(ptr, type, member)
+#endif
 
 /**
  * list_for_each - iterate over a list

source/utils/RtList.hpp

@@ -25,11 +25,6 @@ extern "C" {
 #include "rtmempool/rtmempool.h"
 }
 
-// list_entry C++11 version (using nullptr instead of 0)
-#undef list_entry
-#define list_entry(ptr, type, member) \
-    ((type *)((char *)(ptr)-(unsigned long)(&((type *)nullptr)->member)))
-
 // Declare non copyable and prevent heap allocation
 #define LIST_DECLARATIONS(className) \
     className(const className&); \