# Variables for audio call support
AUDIO_LIBS = libtoxav openal
AUDIO_CFLAGS = -DAUDIO
ifneq (, $(findstring device.o, $(OBJ)))
    AUDIO_OBJ = audio_call.o
else
    AUDIO_OBJ = audio_call.o device.o
endif

# Check if we can build audio support
CHECK_AUDIO_LIBS = $(shell pkg-config --exists $(AUDIO_LIBS) || echo -n "error")
ifneq ($(CHECK_AUDIO_LIBS), error)
    LIBS += $(AUDIO_LIBS)
    CFLAGS += $(AUDIO_CFLAGS)
    OBJ += $(AUDIO_OBJ)
else ifneq ($(MAKECMDGOALS), clean)
    MISSING_AUDIO_LIBS = $(shell for lib in $(AUDIO_LIBS) ; do if ! pkg-config --exists $$lib ; then echo $$lib ; fi ; done)
    $(warning WARNING -- Toxic will be compiled without audio support)
    $(warning WARNING -- You need these libraries for audio support)
    $(warning WARNING -- $(MISSING_AUDIO_LIBS))
endif