# define a list of pkg-config packages we want to use
pkg_packages := gtk+-2.0 hildon-1

# get the necessary flags for compiling
PKG_CFLAGS := $(shell pkg-config --cflags $(pkg_packages))
# get the necessary flags for linking
PKG_LDFLAGS := $(shell pkg-config --libs $(pkg_packages))

# additional flags
# -Wall: warnings
# -g: debugging
ADD_CFLAGS := -Wall -g

# combine the flags (so that CFLAGS/LDFLAGS from the command line
# still work).
CFLAGS  := $(PKG_CFLAGS) $(ADD_CFLAGS) $(CFLAGS)
LDFLAGS := $(PKG_LDFLAGS) $(LDFLAGS)

targets = hildon_helloworld-1

.PHONY: all
all: $(targets)

hildon_helloworld-1: hildon_helloworld-1.o
	$(CC) $^ -o $@ $(LDFLAGS)

hildon_helloworld-1.o: hildon_helloworld-1.c
	$(CC) $(CFLAGS) -c $< -o $@

.PHONY: clean
clean:
	$(RM) $(targets) *.o