[make][cpp] bump cpp revision to C++14
Shouldn't be a large problem, since it's been standard in gcc and clang
for quite a few years at this point.
@@ -60,7 +60,7 @@ GLOBAL_COMPILEFLAGS += -Wextra -Wall -Werror=return-type -Wshadow -Wdouble-promo
GLOBAL_COMPILEFLAGS += -Wno-multichar -Wno-unused-parameter -Wno-unused-function -Wno-unused-label -Wno-nonnull-compare
GLOBAL_COMPILEFLAGS += -fno-common
GLOBAL_CFLAGS := --std=gnu11 -Werror-implicit-function-declaration -Wstrict-prototypes -Wwrite-strings
-GLOBAL_CPPFLAGS := --std=c++11 -fno-exceptions -fno-rtti -fno-threadsafe-statics
+GLOBAL_CPPFLAGS := --std=c++14 -fno-exceptions -fno-rtti -fno-threadsafe-statics
#GLOBAL_CPPFLAGS += -Weffc++
GLOBAL_ASMFLAGS := -DASSEMBLY
GLOBAL_LDFLAGS :=
