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Makefile
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Makefile
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# This makefile will build the C++ components of Unicycler.
# Example commands:
# make (build in release mode)
# make debug (build in debug mode)
# make clean (deletes *.o files, which aren't required to run the aligner)
# make distclean (deletes *.o files and the *.so file, which is required to run the aligner)
# make CXX=g++-5 (build with a particular compiler)
# make CXXFLAGS="-Werror -g3" (build with particular compiler flags)
# Determine the platform
ifeq ($(shell uname), Darwin)
PLATFORM = Mac
else
PLATFORM = Linux
endif
$(info Platform: $(PLATFORM))
# Determine the compiler and version
COMPILER_HELP := $(shell $(CXX) --help | head -n 1)
ifneq (,$(findstring clang,$(COMPILER_HELP)))
COMPILER = clang
else ifneq (,$(findstring g++,$(COMPILER_HELP)))
COMPILER = g++
else ifneq (,$(findstring c++,$(COMPILER_HELP)))
COMPILER = c++
else ifneq (,$(findstring Intel,$(COMPILER_HELP)))
COMPILER = icpc
else
COMPILER = unknown
endif
ifeq ($(COMPILER),clang)
COMPILER_VERSION := $(shell $(CXX) --version | grep version | grep -o -m 1 "[0-9]\+\.[0-9]\+\.*[0-9]*" | head -n 1)
else
COMPILER_VERSION := $(shell $(CXX) -dumpfullversion 2> /dev/null)
ifeq ($(COMPILER_VERSION),)
$(info Falling back to -dumpversion as compiler did not support -dumpfullversion)
COMPILER_VERSION := $(shell $(CXX) -dumpversion)
endif
endif
COMPILER_VERSION_NUMBER := $(shell echo $(COMPILER_VERSION) | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/')
$(info Compiler: $(COMPILER) $(COMPILER_VERSION))
# Clang versions earlier than 3.5 won't work with Seqan.
ifeq ($(COMPILER),clang)
CLANG_340_OR_MORE := $(shell expr $(COMPILER_VERSION_NUMBER) \>= 30500)
ifeq ($(CLANG_340_OR_MORE),0)
$(error Unicycler requires Clang 3.5 or greater)
endif
endif
# GCC versions earlier than 4.9.1 won't work with Seqan.
ifeq ($(COMPILER),g++)
GCC_491_OR_MORE := $(shell expr $(COMPILER_VERSION_NUMBER) \>= 40901)
ifeq ($(GCC_491_OR_MORE),0)
$(error Unicycler requires GCC version 4.9.1 or greater)
endif
endif
# CXXFLAGS can be overridden by the user.
CXXFLAGS ?= -Wall -Wextra -pedantic -mtune=native
# These flags are required for the build to work.
FLAGS = -std=c++14 -Iunicycler/include -fPIC
LDFLAGS = -shared -lz
# Platform-specific stuff (for Seqan)
ifeq ($(PLATFORM), Linux)
FLAGS += -lrt -lpthread
endif
# Different debug/optimisation levels for debug/release builds.
DEBUGFLAGS = -DSEQAN_ENABLE_DEBUG=1 -g
RELEASEFLAGS = -O3 -DNDEBUG
TARGET = unicycler/cpp_functions.so
SHELL = /bin/sh
SOURCES = $(shell find unicycler -name "*.cpp")
HEADERS = $(shell find unicycler -name "*.h")
OBJECTS = $(SOURCES:.cpp=.o)
# Linux needs '-soname' while Mac needs '-install_name'
ifeq ($(PLATFORM), Mac)
SONAME = -install_name
else # Linux
SONAME = -soname
endif
.PHONY: release
release: FLAGS+=$(RELEASEFLAGS)
release: $(TARGET)
.PHONY: debug
debug: FLAGS+=$(DEBUGFLAGS)
debug: $(TARGET)
$(TARGET): $(OBJECTS)
$(CXX) $(FLAGS) $(CXXFLAGS) -Wl,$(SONAME),$(TARGET) -o $(TARGET) $(OBJECTS) $(LDFLAGS)
clean:
$(RM) $(OBJECTS)
distclean: clean
$(RM) $(TARGET)
%.o: %.cpp $(HEADERS)
$(CXX) $(FLAGS) $(CXXFLAGS) -c -o $@ $<