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# set defaults instead redefine
CXXFLAGS ?= -g -Wall -Wextra -Wno-unused-parameter -pedantic
INCFLAGS ?=
## NOTE: The NEEDED_CXXFLAGS are here so that custom CXXFLAGS can be specified at build time
## **without** overwriting the CXXFLAGS which we need in order to build.
## For example, when adding 'hardening flags' to the build
## (e.g. -fstack-protector-strong -Wformat -Werror=format-security), we do not want to remove
## -std=c++11. If you want to remove this variable please do so in a way that allows setting
## custom FLAGS to work at build-time.
# detect proper flag for c++11 support by compilers
CXXVER := $(shell $(CXX) -dumpversion)
ifeq ($(shell expr match $(CXX) 'clang'),5)
NEEDED_CXXFLAGS += -std=c++11
else ifeq ($(shell expr match ${CXXVER} "4\.[0-9][0-9]"),4) # gcc >= 4.10
NEEDED_CXXFLAGS += -std=c++11
else ifeq ($(shell expr match ${CXXVER} "4\.[7-9]"),3) # >= 4.7
NEEDED_CXXFLAGS += -std=c++11 -D_GLIBCXX_USE_NANOSLEEP=1
else ifeq ($(shell expr match ${CXXVER} "4\.6"),3) # = 4.6
NEEDED_CXXFLAGS += -std=c++0x
else ifeq ($(shell expr match ${CXXVER} "[5-6]\.[0-9]"),3) # gcc >= 5.0
NEEDED_CXXFLAGS += -std=c++11
else # not supported
$(error Compiler too old)
endif
NEEDED_CXXFLAGS += -fPIC
ifeq ($(USE_STATIC),yes)
# NOTE: on glibc you will get this warning:
# Using 'getaddrinfo' in statically linked applications requires at runtime
# the shared libraries from the glibc version used for linking
LIBDIR := /usr/lib
LDLIBS = -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options
LDLIBS += -lssl -lcrypto -lz -ldl -lpthread -lrt
LDLIBS += -static-libstdc++ -static-libgcc -static
USE_AESNI := no
else
LDLIBS = -lcrypto -lssl -lz -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options -lpthread
endif
# UPNP Support (miniupnpc 1.5 or 1.6)
ifeq ($(USE_UPNP),yes)
LDFLAGS += -lminiupnpc
CXXFLAGS += -DUSE_UPNP
endif
IS_64 := $(shell $(CXX) -dumpmachine 2>&1 | $(GREP) -c "64")
ifeq ($(USE_AESNI),yes)
ifeq ($(IS_64),1)
#check if AES-NI is supported by CPU
ifneq ($(shell grep -c aes /proc/cpuinfo),0)
CPU_FLAGS = -maes -DAESNI
endif
endif
endif