VERSION=0.1
YEAR=2018
BUILD_DATE:=$(shell date '+%Y-%m-%d')
BUILD_COMMIT:=$(shell if git rev-parse >/dev/null 2>/dev/null ; then git describe --always --tags ; else echo '<unknown>' ; fi)

CXXFLAGS=-O2 -Wall -Wextra -Wno-parentheses -std=gnu++11 -g

all: paperjam

MODULES=paperjam pdf-tools parse cmds pdf
OBJS=$(addsuffix .o, $(MODULES))

paperjam: $(OBJS)
	$(LD) -o $@ $^ $(LDLIBS)
paperjam: LDLIBS += -lqpdf -lpaper
paperjam: LD=$(CXX)

$(OBJS): jam.h pdf-tools.h

paperjam.o: CXXFLAGS += -DVERSION='"$(VERSION)"' -DYEAR='"$(YEAR)"' -DBUILD_DATE='"$(BUILD_DATE)"' -DBUILD_COMMIT='"$(BUILD_COMMIT)"'

clean:
	rm -f *.o
	rm -f paperjam

.PHONY: all clean