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# set defaults instead redefine
CXXFLAGS ?= ${CXX_DEBUG} -Wall -Wextra -Wno-unused-parameter -pedantic -Wno-psabi
LDFLAGS ?= ${LD_DEBUG}
## 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 FDLAGS 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 ${CXXVER} "4\.[8-9]"),3) # gcc 4.8 - 4.9
NEEDED_CXXFLAGS += -std=c++11 -D_GLIBCXX_USE_NANOSLEEP=1
else ifeq ($(shell expr match ${CXXVER} "[5-6]"),1) # gcc 5 - 6
NEEDED_CXXFLAGS += -std=c++11
LDLIBS = -latomic
else ifeq ($(shell expr match ${CXXVER} "[1,7-9]"),1) # gcc >= 7
NEEDED_CXXFLAGS += -std=c++17
LDLIBS = -latomic
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/$(SYS)
LDLIBS += $(LIBDIR)/libboost_system.a
LDLIBS += $(LIBDIR)/libboost_date_time.a
LDLIBS += $(LIBDIR)/libboost_filesystem.a
LDLIBS += $(LIBDIR)/libboost_program_options.a
LDLIBS += $(LIBDIR)/libssl.a
LDLIBS += $(LIBDIR)/libcrypto.a
LDLIBS += $(LIBDIR)/libz.a
ifeq ($(USE_UPNP),yes)
LDLIBS += $(LIBDIR)/libminiupnpc.a
endif
LDLIBS += -lpthread -ldl
else
LDLIBS += -lcrypto -lssl -lz -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options -lpthread
ifeq ($(USE_UPNP),yes)
LDLIBS += -lminiupnpc
endif
endif
# UPNP Support (miniupnpc 1.5 and higher)
ifeq ($(USE_UPNP),yes)
NEEDED_CXXFLAGS += -DUSE_UPNP
endif
ifeq ($(USE_AESNI),yes)
ifeq (, $(findstring arm, $(SYS))$(findstring aarch64, $(SYS))) # no arm and aarch64 in dumpmachine
NEEDED_CXXFLAGS += -D__AES__ -maes
endif
endif