Makefile


OS ?= $(shell sh -c 'uname -s | tr "[A-Z]" "[a-z]"')

DESCRIBE           := $(shell git describe --match "v*" --always --tags)
DESCRIBE_PARTS     := $(subst -, ,$(DESCRIBE))

VERSION_TAG        := $(word 1,$(DESCRIBE_PARTS))
COMMITS_SINCE_TAG  := $(word 2,$(DESCRIBE_PARTS))
BUILD_ID           := $(word 3,$(DESCRIBE_PARTS))

VERSION            := $(subst v,,$(VERSION_TAG))
VERSION_PARTS      := $(subst ., ,$(VERSION))

MAJOR              := $(word 1,$(VERSION_PARTS))
MINOR              := $(word 2,$(VERSION_PARTS))
MICRO              := $(word 3,$(VERSION_PARTS))

NEXT_MICRO         := $(shell echo $$(($(MICRO)+1)))

ifeq ($(strip $(COMMITS_SINCE_TAG)),)
CURRENT_VERSION_MICRO := $(MAJOR).$(MINOR).$(MICRO)
CURRENT_MICRO := $(MICRO)
else
CURRENT_VERSION_MICRO := $(MAJOR).$(MINOR).$(NEXT_MICRO)
CURRENT_MICRO := $(NEXT_MICRO)-dev$(COMMITS_SINCE_TAG)$(if $(BUILD_ID),-${BUILD_ID},)
endif

ifeq ($(OS), darwin)
SONAME = libsep.dylib
SONAME_MAJOR = libsep.$(MAJOR).dylib
SONAME_FULL = libsep.$(MAJOR).$(MINOR).$(CURRENT_MICRO).dylib
SONAME_FLAG = -install_name
LDPATHENV = DYLD_LIBRARY_PATH
else
ifeq ($(OS), linux)
SONAME = libsep.so
SONAME_MAJOR = libsep.so.$(MAJOR)
SONAME_FULL = libsep.so.$(MAJOR).$(MINOR).$(CURRENT_MICRO)
SONAME_FLAG = -soname
LDPATHENV = LD_LIBRARY_PATH
else
$(error OS not yet supported)
endif
endif

INSTALL ?= install
DESTDIR =
PREFIX ?= /usr/local
LIBDIR = $(PREFIX)/lib
INCLUDEDIR = $(PREFIX)/include

CC?=gcc
AR?=ar
CPPFLAGS ?=
LDFLAGS ?=

CPPFLAGS += -Isrc
CFLAGS += -Wall -Wextra -Wcast-qual -O3 -fvisibility=hidden  # -Werror
CFLAGS += -DSEP_VERSION_STRING=\"$(MAJOR).$(MINOR).$(CURRENT_MICRO)\"
CFLAGS_LIB = $(CFLAGS) -fPIC
LDFLAGS_LIB = $(LDFLAGS) -shared -Wl,$(SONAME_FLAG),$(SONAME_MAJOR)

OBJS = src/analyse.o src/convolve.o src/deblend.o src/extract.o \
       src/lutz.o src/aperture.o src/background.o src/util.o

default: all

src/analyse.o src/convolve.o src/deblend.o src/extract.o src/lutz.o: src/%.o: src/%.c src/extract.h src/sepcore.h src/sep.h
	$(CC) $(CPPFLAGS) $(CFLAGS_LIB) -c src/$*.c -o $@

src/aperture.o: src/aperture.c src/aperture.i src/overlap.h src/sepcore.h src/sep.h
	$(CC) $(CPPFLAGS) $(CFLAGS_LIB) -c src/aperture.c -o $@

src/background.o src/util.o: src/%.o: src/%.c src/sepcore.h src/sep.h
	$(CC) $(CPPFLAGS) $(CFLAGS_LIB) -c src/$*.c -o $@

src/$(SONAME_FULL) src/$(SONAME_MAJOR) src/$(SONAME) &: $(OBJS)
	$(CC) $(LDFLAGS_LIB) $^ -lm -o src/$(SONAME_FULL)
	ln -sf $(SONAME_FULL) src/$(SONAME_MAJOR)
	ln -sf $(SONAME_FULL) src/$(SONAME)

src/libsep.a: $(OBJS)
	$(AR) rcs src/libsep.a $^

install: all
	$(INSTALL) -d $(DESTDIR)$(INCLUDEDIR)
	$(INSTALL) -m u=rw,g=r,o=r src/sep.h $(DESTDIR)$(INCLUDEDIR)

	$(INSTALL) -d $(DESTDIR)$(LIBDIR)
	$(INSTALL) -m u=rwx,g=rx,o=rx src/$(SONAME_FULL) $(DESTDIR)$(LIBDIR)
	ln -sf $(SONAME_FULL) $(DESTDIR)$(LIBDIR)/$(SONAME_MAJOR)
	ln -sf $(SONAME_FULL) $(DESTDIR)$(LIBDIR)/$(SONAME)
	$(INSTALL)  -m u=rw,g=r,o=r src/libsep.a $(DESTDIR)$(LIBDIR)

uninstall:
	rm $(DESTDIR)$(INCLUDEDIR)/sep.h
	rm $(DESTDIR)$(LIBDIR)/$(SONAME_FULL)
	rm $(DESTDIR)$(LIBDIR)/$(SONAME_MAJOR)
	rm $(DESTDIR)$(LIBDIR)/$(SONAME)
	rm $(DESTDIR)$(LIBDIR)/libsep.a

test: ctest/test_image
	$(LDPATHENV)=src ctest/test_image data/image.fits data/sep.cat
	ctest/compare.py data/image.cat data/sep.cat

ctest/test_image: ctest/test_image.c src/$(SONAME)
	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -Lsrc ctest/test_image.c -lm -lsep -o ctest/test_image

clean:
	rm -f src/*.o src/*.a src/libsep.* ctest/test_image

all: src/$(SONAME_FULL) src/libsep.a

.PHONY: all test clean library install uninstall