Fixes the problem that the compiler doesn't enable c++11 mode by default
and the package build system has its own CXXFLAGS
# CFLAGS, CXXFLAGS, CPPFLAGS, and LDFLAGS are for the users to override
CFLAGS ?= -O3 -Wall -Wextra
-CXXFLAGS ?= -O3 -Wall -Wextra -pedantic -std=c++11
+CXXFLAGS ?= -O3 -Wall -Wextra -pedantic
CPPFLAGS ?=
LDFLAGS ?=
PZSTD_CPPFLAGS = $(PZSTD_INC)
PZSTD_CCXXFLAGS =
PZSTD_CFLAGS = $(PZSTD_CCXXFLAGS)
-PZSTD_CXXFLAGS = $(PZSTD_CCXXFLAGS)
+PZSTD_CXXFLAGS = $(PZSTD_CCXXFLAGS) -std=c++11
PZSTD_LDFLAGS =
EXTRA_FLAGS =
ALL_CFLAGS = $(EXTRA_FLAGS) $(CPPFLAGS) $(PZSTD_CPPFLAGS) $(CFLAGS) $(PZSTD_CFLAGS)