path: root/GNUmakefile

CXXFLAGS ?= -DNDEBUG -g2 -O3
# -fPIC is supported, and enabled by default for x86_64.
# the following options reduce code size, but breaks link or makes link very slow on some systems
# CXXFLAGS += -ffunction-sections -fdata-sections
# LDFLAGS += -Wl,--gc-sections
ARFLAGS = -cr	# ar needs the dash on OpenBSD
RANLIB ?= ranlib
CP = cp
MKDIR = mkdir
EGREP = egrep
UNAME = $(shell uname)
IS_X86 = $(shell uname -m | $(EGREP) -c "i.86|x86|i86|amd64")
IS_X86_64 = $(shell uname -m | $(EGREP) -c "_64|d64")
IS_DARWIN = $(shell uname -s | $(EGREP) -i -c "darwin")
IS_LINUX = $(shell $(CXX) -dumpmachine 2>&1 | $(EGREP) -i -c "linux")
IS_MINGW = $(shell $(CXX) -dumpmachine 2>&1 | $(EGREP) -i -c "mingw")
IS_CYGWIN = $(shell $(CXX) -dumpmachine 2>&1 | $(EGREP) -i -c "cygwin")

CLANG_COMPILER = $(shell $(CXX) --version 2>&1 | $(EGREP) -i -c "clang")
INTEL_COMPILER = $(shell $(CXX) --version 2>&1 | $(EGREP) -i -c "\(ICC\)")
SUN_COMPILER = $(shell $(CXX) -V 2>&1 | $(EGREP) -i -c "CC: Sun")

# Also see LLVM Bug 24200 (https://llvm.org/bugs/show_bug.cgi?id=24200)
# CLANG_ASSEMBLER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -i -c "^clang")
# TODO: Uncomment the line above when Clang's integrated assembler can parse inline assembly 
CLANG_ASSEMBLER ?= 0
GNU_ASSEMBLER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -i -c "^GNU assembler")

# Default prefix for make install
ifeq ($(PREFIX),)
PREFIX = /usr
endif

# Sadly, we can't actually use GCC_PRAGMA_AWARE with GCC because of GCC bug 53431.
# Its a shame because GCC has so much to offer by the way of analysis. Clang works
# as expected, though. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53431
ifneq ($(CLANG_COMPILER),0)
CXXFLAGS += -Wall
endif

ifeq ($(IS_X86),1)

GCC42_OR_LATER = $(shell $(CXX) -v 2>&1 | $(EGREP) -i -c "^gcc version (4.[2-9]|[5-9])")
ICC111_OR_LATER = $(shell $(CXX) --version 2>&1 | $(EGREP) -c "\(ICC\) ([2-9][0-9]|1[2-9]|11\.[1-9])")

ifneq ($(GNU_ASSEMBLER),0)
# Using system provided assembler. It may be GNU AS (GAS).
GAS210_OR_LATER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.[1-9][0-9]|[3-9])")
GAS217_OR_LATER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.1[7-9]|2\.[2-9]|[3-9])")
GAS219_OR_LATER ?= $(shell $(CXX) -xc -c /dev/null -Wa,-v -o/dev/null 2>&1 | $(EGREP) -c "GNU assembler version (2\.19|2\.[2-9]|[3-9])")
endif

# Enable PIC for x86_64 targets
ifneq ($(IS_X86_64),0)
CXXFLAGS += -fPIC
endif # PIC for x86_64 targets

# Undefined Behavior Sanitizer (Clang 3.2 and GCC 4.8 and above)
ifeq ($(findstring ubsan,$(MAKECMDGOALS)),ubsan)
CXXFLAGS += -fsanitize=undefined
# CXXFLAGS += -fsanitize-undefined-trap-on-error
endif # UBsan

# Address Sanitizer (Clang 3.2 and GCC 4.8 and above)
ifeq ($(findstring asan,$(MAKECMDGOALS)),asan)
CXXFLAGS += -fsanitize=address
endif # Asan

# Test CXXFLAGS in case the user passed the flags directly through it
ASAN = 0
UBSAN = 0
ifeq ($(findstring -fsanitize=address,$(CXXFLAGS)),-fsanitize=address)
ASAN = 1
endif
ifeq ($(findstring -fsanitize=undefined,$(CXXFLAGS)),-fsanitize=undefined)
UBSAN = 1
endif

# Enforce Sanitizer business logic...
ifeq ($(ASAN)$(UBSAN),11)
$(error Asan and UBsan are mutually exclusive)
endif

# Cygwin work arounds
ifneq ($(IS_CYGWIN),0)

# CXX is gcc on Cygwin 1.1.4
ifeq ($(CXX),gcc)
CXX = g++
endif # CXX

# -fPIC causes spurious output during compile
ifeq ($(findstring -fPIC,$(CXXFLAGS)),-fPIC)
CXXFLAGS := $(subst -fPIC,,$(CXXFLAGS))
endif # -fPIC

# -O3 fails to link with GCC 4.5.3
IS_GCC45 = $(shell $(CXX) -v 2>&1 | $(EGREP) -i -c "^gcc version 4\.5\.[0-9]")
ifneq ($(IS_GCC45),0)
ifeq ($(findstring -O3,$(CXXFLAGS)),-O3)
CXXFLAGS := $(subst -O3,-O2,$(CXXFLAGS))
endif # -O3
endif # GCC 4.5

endif # Cygwin work arounds

# Build a boolean circuit that says "Darwin && (GCC 4.2 || Clang)"
MULTIARCH_SUPPORT ?= $(shell echo $$(($(IS_DARWIN) * ($(GCC42_OR_LATER) + $(CLANG_COMPILER)))))
ifneq ($(MULTIARCH_SUPPORT),0)
CXXFLAGS += -arch i386 -arch x86_64
else
CXXFLAGS += -march=native
endif

ifneq ($(INTEL_COMPILER),0)
CXXFLAGS += -wd68 -wd186 -wd279 -wd327
ifeq ($(ICC111_OR_LATER),0)
# "internal error: backend signals" occurs on some x86 inline assembly with ICC 9 and some x64 inline assembly with ICC 11.0
# if you want to use Crypto++'s assembly code with ICC, try enabling it on individual files
CXXFLAGS += -DCRYPTOPP_DISABLE_ASM
endif
endif

# .intel_syntax wasn't supported until GNU assembler 2.10
SUPPORTS_ASM ?= $(shell echo $$(($(GAS210_OR_LATER) + $(CLANG_ASSEMBLER))))
ifeq ($(SUPPORTS_ASM),0)
CXXFLAGS += -DCRYPTOPP_DISABLE_ASM
else
SUPPORTS_SSE3 ?= GAS217_OR_LATER
ifeq ($(SUPPORTS_SSE3),0)
CXXFLAGS += -DCRYPTOPP_DISABLE_SSSE3
else
SUPPORTS_AESNI ?= GAS219_OR_LATER
ifeq ($(SUPPORTS_AESNI),0)
CXXFLAGS += -DCRYPTOPP_DISABLE_AESNI
endif   # SUPPORTS_AESNI
endif   # SUPPORTS_SSE3
ifeq ($(UNAME),SunOS)
CXXFLAGS += -Wa,--divide	# allow use of "/" operator
endif   # SunOS
endif   # SUPPORTS_ASM

endif	# IS_X86

ifeq ($(UNAME),)	# for DJGPP, where uname doesn't exist
CXXFLAGS += -mbnu210
else
CXXFLAGS += -pipe
endif

ifeq ($(IS_MINGW),1)
LDLIBS += -lws2_32
endif

ifeq ($(IS_LINUX),1)
LDFLAGS += -pthread
ifneq ($(IS_X86_64),0)
M32OR64 = -m64
endif
endif

ifneq ($(IS_DARWIN),0)
AR = libtool
ARFLAGS = -static -o
CXX ?= c++
IS_GCC2 = $(shell $(CXX) -v 2>&1 | $(EGREP) -c gcc-932)
ifeq ($(IS_GCC2),1)
CXXFLAGS += -fno-coalesce-templates -fno-coalesce-static-vtables
LDLIBS += -lstdc++
LDFLAGS += -flat_namespace -undefined suppress -m
endif
endif

ifeq ($(UNAME),SunOS)
LDLIBS += -lnsl -lsocket
M32OR64 = -m$(shell isainfo -b)
endif

ifneq ($(CLANG_COMPILER),0)
CXXFLAGS += -Wno-tautological-compare
endif

ifneq ($(SUN_COMPILER),0)	# override flags for CC Sun C++ compiler
CXXFLAGS = -DNDEBUG -O -g0 -native -template=no%extdef $(M32OR64)
LDFLAGS =
AR = $(CXX)
ARFLAGS = -xar -o
RANLIB = true
SUN_CC10_BUGGY = $(shell $(CXX) -V 2>&1 | $(EGREP) -c "CC: Sun .* 5\.10 .* (2009|2010/0[1-4])")
ifneq ($(SUN_CC10_BUGGY),0)
# -DCRYPTOPP_INCLUDE_VECTOR_CC is needed for Sun Studio 12u1 Sun C++ 5.10 SunOS_i386 128229-02 2009/09/21 and was fixed in May 2010
# remove it if you get "already had a body defined" errors in vector.cc
CXXFLAGS += -DCRYPTOPP_INCLUDE_VECTOR_CC
endif
endif

SRCS = $(filter-out pch.cpp cryptlib_bds.cpp winpipes.cpp, $(wildcard *.cpp))
ifneq ($(IS_MINGW),0)
SRCS += winpipes.cpp
endif

OBJS = $(SRCS:.cpp=.o)

# test.o needs to be after bench.o for cygwin 1.1.4 (possible ld bug?)
TESTOBJS = bench.o bench2.o test.o validat1.o validat2.o validat3.o adhoc.o datatest.o regtest.o fipsalgt.o dlltest.o
LIBOBJS = $(filter-out $(TESTOBJS),$(OBJS))

DLLSRCS = algebra.cpp algparam.cpp asn.cpp basecode.cpp cbcmac.cpp channels.cpp cryptlib.cpp des.cpp dessp.cpp dh.cpp dll.cpp dsa.cpp ec2n.cpp eccrypto.cpp ecp.cpp eprecomp.cpp files.cpp filters.cpp fips140.cpp fipstest.cpp gf2n.cpp gfpcrypt.cpp hex.cpp hmac.cpp integer.cpp iterhash.cpp misc.cpp modes.cpp modexppc.cpp mqueue.cpp nbtheory.cpp oaep.cpp osrng.cpp pch.cpp pkcspad.cpp pubkey.cpp queue.cpp randpool.cpp rdtables.cpp rijndael.cpp rng.cpp rsa.cpp sha.cpp simple.cpp skipjack.cpp strciphr.cpp trdlocal.cpp
DLLOBJS = $(DLLSRCS:.cpp=.export.o)
LIBIMPORTOBJS = $(LIBOBJS:.o=.import.o)
TESTIMPORTOBJS = $(TESTOBJS:.o=.import.o)
DLLTESTOBJS = dlltest.dllonly.o

all: cryptest.exe
static: libcryptopp.a
dynamic: libcryptopp.so

asan ubsan: libcryptopp.a cryptest.exe

test: cryptest.exe
	./cryptest.exe v

.PHONY: clean
clean:
	-$(RM) cryptest.exe libcryptopp.a libcryptopp.so GNUmakefile.deps $(LIBOBJS) $(TESTOBJS) cryptopp.dll libcryptopp.dll.a libcryptopp.import.a cryptest.import.exe dlltest.exe $(DLLOBJS) $(LIBIMPORTOBJS) $(TESTI MPORTOBJS) $(DLLTESTOBJS)
	-$(RM) -r cryptest.exe.dSYM

.PHONY: install
install:
	$(MKDIR) -p $(PREFIX)/include/cryptopp $(PREFIX)/lib $(PREFIX)/bin
	-$(CP) *.h $(PREFIX)/include/cryptopp
	-$(CP) *.a $(PREFIX)/lib
	-$(CP) *.so $(PREFIX)/lib
	-$(CP) *.exe $(PREFIX)/bin

.PHONY: remove
remove:
	-$(RM) -rf $(PREFIX)/include/cryptopp
	-$(RM) $(PREFIX)/lib/libcryptopp.a
	-$(RM) $(PREFIX)/lib/libcryptopp.so
	-$(RM) $(PREFIX)/bin/cryptest.exe

libcryptopp.a: $(LIBOBJS)
	$(AR) $(ARFLAGS) $@ $(LIBOBJS)
	$(RANLIB) $@

libcryptopp.so: $(LIBOBJS)
	$(CXX) -shared -o $@ $(LIBOBJS)

cryptest.exe: libcryptopp.a $(TESTOBJS)
	$(CXX) -o $@ $(CXXFLAGS) $(TESTOBJS) ./libcryptopp.a $(LDFLAGS) $(LDLIBS)

nolib: $(OBJS)		# makes it faster to test changes
	$(CXX) -o ct $(CXXFLAGS) $(OBJS) $(LDFLAGS) $(LDLIBS)

dll: cryptest.import.exe dlltest.exe

cryptopp.dll: $(DLLOBJS)
	$(CXX) -shared -o $@ $(CXXFLAGS) $(DLLOBJS) $(LDFLAGS) $(LDLIBS) -Wl,--out-implib=libcryptopp.dll.a

libcryptopp.import.a: $(LIBIMPORTOBJS)
	$(AR) $(ARFLAGS) $@ $(LIBIMPORTOBJS)
	$(RANLIB) $@

cryptest.import.exe: cryptopp.dll libcryptopp.import.a $(TESTIMPORTOBJS)
	$(CXX) -o $@ $(CXXFLAGS) $(TESTIMPORTOBJS) -L. -lcryptopp.dll -lcryptopp.import $(LDFLAGS) $(LDLIBS)

dlltest.exe: cryptopp.dll $(DLLTESTOBJS)
	$(CXX) -o $@ $(CXXFLAGS) $(DLLTESTOBJS) -L. -lcryptopp.dll $(LDFLAGS) $(LDLIBS)

adhoc.cpp: adhoc.cpp.proto
ifeq ($(wildcard adhoc.cpp),)
	cp adhoc.cpp.proto adhoc.cpp
else
	touch adhoc.cpp
endif

%.dllonly.o : %.cpp
	$(CXX) $(CXXFLAGS) -DCRYPTOPP_DLL_ONLY -c $< -o $@

%.import.o : %.cpp
	$(CXX) $(CXXFLAGS) -DCRYPTOPP_IMPORTS -c $< -o $@

%.export.o : %.cpp
	$(CXX) $(CXXFLAGS) -DCRYPTOPP_EXPORTS -c $< -o $@

%.o : %.cpp
	$(CXX) $(CXXFLAGS) -c $<

# Do not build dependencies when multiarch is in effect
ifeq ($(MULTIARCH_SUPPORT),0)

# Do not build dependencies when cleaning
ifneq ($(findstring clean,$(MAKECMDGOALS)),clean)
-include GNUmakefile.deps
endif

GNUmakefile.deps:
	$(CXX) $(CXXFLAGS) -MM *.cpp > GNUmakefile.deps
endif