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API_VERSION = 2
OS = $(shell uname -s)
# I parse the version from the changelog. This version is generally something
# like 0.04 .I strip leading 0s, so the above becomes 0.4
VERSION := $(shell sed -n 's/.*(\([0-9\.]*[0-9]\).*).*/\1/; s/\.0*/./g; p; q;' Changes)
ifeq ($(strip $(VERSION)),)
$(error "Couldn't parse version from debian/changelog")
endif
ifeq ($(OS),Darwin)
CC = gcc # otherwise, CC defaults to clang
SO_VERSION=$(API_VERSION).$(VERSION)
TARGET_SO_BARE = libdogleg.dylib
TARGET_SO_FULL = libdogleg.$(SO_VERSION).dylib
TARGET_SO_SONAME = libdogleg.$(API_VERSION).dylib
# osx doesn't have DT_NEEDED or something, so I specify these explicitly
LDLIBS += -lsuitesparseconfig -lamd -lcolamd -llapack -lblas
else
SO_VERSION=$(API_VERSION).$(VERSION)
TARGET_SO_BARE = libdogleg.so
TARGET_SO_FULL = $(TARGET_SO_BARE).$(SO_VERSION)
TARGET_SO_SONAME = $(TARGET_SO_BARE).$(API_VERSION)
LDFLAGS += -Wl,-soname -Wl,libdogleg.so.$(API_VERSION)
endif
# Add my optimization flags if none already exist. These could exist if debian
# packages are built.
OPTFLAGS := $(if $(filter -O%, $(CFLAGS)),,-O3 -ffast-math -mtune=core2)
FLAGS += -ggdb -Wall -Wextra -MMD $(OPTFLAGS) -I/usr/include/suitesparse
CFLAGS += $(FLAGS) --std=gnu99
LDLIBS += -lcholmod -lsuitesparseconfig -llapack
LDLIBS += -lm
LIB_TARGETS = libdogleg.a $(TARGET_SO_BARE) $(TARGET_SO_FULL) $(TARGET_SO_SONAME)
MAN_SECTION = 3
MAN_TARGET = libdogleg.$(MAN_SECTION)
ALL_TARGETS = $(LIB_TARGETS) $(MAN_TARGET)
all: $(ALL_TARGETS)
libdogleg.a: dogleg.o
ar rcvu $@ $^
$(TARGET_SO_FULL): dogleg-pic.o
$(CC) $(LDFLAGS) -shared $^ $(LDLIBS) -o $@
$(TARGET_SO_SONAME) $(TARGET_SO_BARE): $(TARGET_SO_FULL)
ln -fs $^ $@
%-pic.o: %.c
$(CC) $(CPPFLAGS) -fPIC $(CFLAGS) -c -o $@ $<
$(MAN_TARGET): README.pod
pod2man --center="libdogleg: Powell's dogleg method" --name=LIBDOGLEG --release="libdogleg $(VERSION)" --section=$(MAN_SECTION) $^ $@
sample: sample.o libdogleg.a
$(CC) $^ $(LDLIBS) -o $@
sample.o: CFLAGS += -I.
clean:
rm -f libdogleg.so* *.o *.a *.d $(ALL_TARGETS)
.PHONY: all clean
-include *.d
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