CC       = gcc
CFLAGS   = -std=c99 -O2 -Wall -Wextra
PKGCONF  = pkg-config
ALSA_CFLAGS := $(shell $(PKGCONF) --cflags alsa 2>/dev/null)
ALSA_LIBS   := $(shell $(PKGCONF) --libs alsa 2>/dev/null)
FLAC_CFLAGS := $(shell $(PKGCONF) --cflags flac 2>/dev/null)
FLAC_LIBS   := $(shell $(PKGCONF) --libs flac 2>/dev/null)
LAME_CFLAGS := $(shell $(PKGCONF) --cflags lame 2>/dev/null)
LAME_LIBS   := $(shell $(PKGCONF) --libs lame 2>/dev/null)
ifeq ($(strip $(ALSA_LIBS)),)
ALSA_LIBS := -lasound
endif
ifeq ($(strip $(FLAC_LIBS)),)
FLAC_LIBS := -lFLAC
endif
ifeq ($(strip $(LAME_LIBS)),)
LAME_LIBS := -lmp3lame
endif
CPPFLAGS += $(ALSA_CFLAGS) $(FLAC_CFLAGS) $(LAME_CFLAGS)
LDLIBS   = $(ALSA_LIBS) $(FLAC_LIBS) $(LAME_LIBS) -lm

PREFIX  ?= /usr/local
BINDIR   = $(PREFIX)/bin

BINARY = tuxrecord
SRC    = tuxrecord.c

all: $(BINARY)

$(BINARY): $(SRC)
	$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $< $(LDLIBS)

install: $(BINARY)
	install -d $(DESTDIR)$(BINDIR)
	install -m 755 $(BINARY) $(DESTDIR)$(BINDIR)/$(BINARY)

uninstall:
	rm -f $(DESTDIR)$(BINDIR)/$(BINARY)

clean:
	rm -f $(BINARY)

.PHONY: all clean install uninstall