Makefile

# makefile of pianobar

PREFIX:=/usr/local
BINDIR:=${PREFIX}/bin
LIBDIR:=${PREFIX}/lib
INCDIR:=${PREFIX}/include
MANDIR:=${PREFIX}/share/man
DYNLINK:=0

# Respect environment variables set by user; does not work with :=
ifeq (${CFLAGS},)
	CFLAGS=-O2 -DNDEBUG
endif
ifeq (${CC},cc)
	OS := $(shell uname)
	ifeq (${OS},Darwin)
		CC=gcc -std=c99
	else
		CC=c99
	endif
endif

PIANOBAR_DIR:=src
PIANOBAR_SRC:=\
		${PIANOBAR_DIR}/main.c \
		${PIANOBAR_DIR}/player.c \
		${PIANOBAR_DIR}/settings.c \
		${PIANOBAR_DIR}/terminal.c \
		${PIANOBAR_DIR}/ui_act.c \
		${PIANOBAR_DIR}/ui.c \
		${PIANOBAR_DIR}/ui_readline.c \
		${PIANOBAR_DIR}/ui_dispatch.c
PIANOBAR_HDR:=\
		${PIANOBAR_DIR}/player.h \
		${PIANOBAR_DIR}/settings.h \
		${PIANOBAR_DIR}/terminal.h \
		${PIANOBAR_DIR}/ui_act.h \
		${PIANOBAR_DIR}/ui.h \
		${PIANOBAR_DIR}/ui_readline.h \
		${PIANOBAR_DIR}/main.h \
		${PIANOBAR_DIR}/config.h
PIANOBAR_OBJ:=${PIANOBAR_SRC:.c=.o}

LIBPIANO_DIR:=src/libpiano
LIBPIANO_SRC:=\
		${LIBPIANO_DIR}/crypt.c \
		${LIBPIANO_DIR}/piano.c \
		${LIBPIANO_DIR}/request.c \
		${LIBPIANO_DIR}/response.c
LIBPIANO_HDR:=\
		${LIBPIANO_DIR}/config.h \
		${LIBPIANO_DIR}/crypt.h \
		${LIBPIANO_DIR}/piano.h \
		${LIBPIANO_DIR}/piano_private.h
LIBPIANO_OBJ:=${LIBPIANO_SRC:.c=.o}
LIBPIANO_RELOBJ:=${LIBPIANO_SRC:.c=.lo}
LIBPIANO_INCLUDE:=${LIBPIANO_DIR}

LIBWAITRESS_DIR:=src/libwaitress
LIBWAITRESS_SRC:=${LIBWAITRESS_DIR}/waitress.c
LIBWAITRESS_HDR:=\
		${LIBWAITRESS_DIR}/config.h \
		${LIBWAITRESS_DIR}/waitress.h
LIBWAITRESS_OBJ:=${LIBWAITRESS_SRC:.c=.o}
LIBWAITRESS_RELOBJ:=${LIBWAITRESS_SRC:.c=.lo}
LIBWAITRESS_INCLUDE:=${LIBWAITRESS_DIR}

ifeq (${DISABLE_FAAD}, 1)
	LIBFAAD_CFLAGS:=
	LIBFAAD_LDFLAGS:=
else
	LIBFAAD_CFLAGS:=-DENABLE_FAAD
	LIBFAAD_LDFLAGS:=-lfaad
endif

ifeq (${DISABLE_MAD}, 1)
	LIBMAD_CFLAGS:=
	LIBMAD_LDFLAGS:=
else
	LIBMAD_CFLAGS:=-DENABLE_MAD
	LIBMAD_CFLAGS+=$(shell pkg-config --cflags mad)
	LIBMAD_LDFLAGS:=$(shell pkg-config --libs mad)
endif

LIBGNUTLS_CFLAGS:=$(shell pkg-config --cflags gnutls)
LIBGNUTLS_LDFLAGS:=$(shell pkg-config --libs gnutls)

LIBGCRYPT_CFLAGS:=
LIBGCRYPT_LDFLAGS:=-lgcrypt

LIBJSONC_CFLAGS:=$(shell pkg-config --cflags json-c 2>/dev/null || pkg-config --cflags json)
LIBJSONC_LDFLAGS:=$(shell pkg-config --libs json-c 2>/dev/null || pkg-config --libs json)

# build pianobar
ifeq (${DYNLINK},1)
pianobar: ${PIANOBAR_OBJ} ${PIANOBAR_HDR} libpiano.so.0
	@echo "  LINK  $@"
	@${CC} -o $@ ${PIANOBAR_OBJ} ${LDFLAGS} -lao -lpthread -lm -L. -lpiano \
			${LIBFAAD_LDFLAGS} ${LIBMAD_LDFLAGS} ${LIBGNUTLS_LDFLAGS} \
			${LIBGCRYPT_LDFLAGS}
else
pianobar: ${PIANOBAR_OBJ} ${PIANOBAR_HDR} ${LIBPIANO_OBJ} ${LIBWAITRESS_OBJ} \
		${LIBWAITRESS_HDR}
	@echo "  LINK  $@"
	@${CC} ${CFLAGS} ${LDFLAGS} ${PIANOBAR_OBJ} ${LIBPIANO_OBJ} \
			${LIBWAITRESS_OBJ} -lao -lpthread -lm \
			${LIBFAAD_LDFLAGS} ${LIBMAD_LDFLAGS} ${LIBGNUTLS_LDFLAGS} \
			${LIBGCRYPT_LDFLAGS} ${LIBJSONC_LDFLAGS} -o $@
endif

# build shared and static libpiano
libpiano.so.0: ${LIBPIANO_RELOBJ} ${LIBPIANO_HDR} ${LIBWAITRESS_RELOBJ} \
		${LIBWAITRESS_HDR} ${LIBPIANO_OBJ} ${LIBWAITRESS_OBJ}
	@echo "  LINK  $@"
	@${CC} -shared -Wl,-soname,libpiano.so.0 ${CFLAGS} ${LDFLAGS} \
			-o libpiano.so.0.0.0 ${LIBPIANO_RELOBJ} \
			${LIBWAITRESS_RELOBJ} ${LIBGNUTLS_LDFLAGS} ${LIBGCRYPT_LDFLAGS} \
			${LIBJSONC_LDFLAGS}
	@ln -s libpiano.so.0.0.0 libpiano.so.0
	@ln -s libpiano.so.0 libpiano.so
	@echo "    AR  libpiano.a"
	@${AR} rcs libpiano.a ${LIBPIANO_OBJ} ${LIBWAITRESS_OBJ}


# build dependency files
%.d: %.c
	@set -e; rm -f $@; \
			$(CC) -M ${CFLAGS} -I ${LIBPIANO_INCLUDE} -I ${LIBWAITRESS_INCLUDE} \
			${LIBFAAD_CFLAGS} ${LIBMAD_CFLAGS} ${LIBGNUTLS_CFLAGS} \
			${LIBGCRYPT_CFLAGS} ${LIBJSONC_CFLAGS} $< > $@.$$$$; \
			sed '1 s,^.*\.o[ :]*,$*.o $@ : ,g' < $@.$$$$ > $@; \
			rm -f $@.$$$$

-include $(PIANOBAR_SRC:.c=.d)
-include $(LIBPIANO_SRC:.c=.d)
-include $(LIBWAITRESS_SRC:.c=.d)

# build standard object files
%.o: %.c
	@echo "    CC  $<"
	@${CC} ${CFLAGS} -I ${LIBPIANO_INCLUDE} -I ${LIBWAITRESS_INCLUDE} \
			${LIBFAAD_CFLAGS} ${LIBMAD_CFLAGS} ${LIBGNUTLS_CFLAGS} \
			${LIBGCRYPT_CFLAGS} ${LIBJSONC_CFLAGS} -c -o $@ $<

# create position independent code (for shared libraries)
%.lo: %.c
	@echo "    CC  $< (PIC)"
	@${CC} ${CFLAGS} -I ${LIBPIANO_INCLUDE} -I ${LIBWAITRESS_INCLUDE} \
			${LIBJSONC_CFLAGS} \
			-c -fPIC -o $@ $<

clean:
	@echo " CLEAN"
	@${RM} ${PIANOBAR_OBJ} ${LIBPIANO_OBJ} ${LIBWAITRESS_OBJ} ${LIBWAITRESS_OBJ}/test.o \
			${LIBPIANO_RELOBJ} ${LIBWAITRESS_RELOBJ} pianobar libpiano.so* \
			libpiano.a waitress-test $(PIANOBAR_SRC:.c=.d) $(LIBPIANO_SRC:.c=.d) \
			$(LIBWAITRESS_SRC:.c=.d)

all: pianobar

debug: pianobar
debug: CFLAGS=-pedantic -ggdb -Wall -Wmissing-declarations -Wshadow -Wcast-qual \
		-Wformat=2 -Winit-self -Wignored-qualifiers -Wmissing-include-dirs \
		-Wfloat-equal -Wundef -Wpointer-arith -Wtype-limits -Wbad-function-cast \
		-Wcast-align -Wclobbered -Wempty-body -Wjump-misses-init -Waddress \
		-Wlogical-op -Waggregate-return -Wstrict-prototypes \
		-Wold-style-declaration -Wold-style-definition -Wmissing-parameter-type \
		-Wmissing-prototypes -Wmissing-field-initializers -Woverride-init \
		-Wpacked -Wredundant-decls -Wnested-externs
# warnings for gcc 4.5; disabled:
# -Wswitch-default: too many bogus warnings
# -Wswitch-enum: too many bogus warnings
# -Wunused-parameter: too many bogus warnings
# -Wstrict-overflow: depends on optimization level
# -Wunsafe-loop-optimizations: depends on optimization level
# -Wwrite-strings: to be enabled
# -Wconversion: too many (bogus?) warnings
# -Wsign-conversion: same here
# -Wsign-compare: to be enabled
# -Wmissing-noreturn: recommendation
# -Wmissing-format-attribute: same here
# -Wpadded: have a closer look at this one
# -Winline: we don't care
# -Winvalid-pch: not our business
# -Wdisabled-optimization: depends on optimization level
# -Wstack-protector: we don't use stack protector
# -Woverlength-strings: over-portability-ish

waitress-test: CFLAGS+= -DTEST
waitress-test: ${LIBWAITRESS_OBJ}
	${CC} ${LDFLAGS} ${LIBWAITRESS_OBJ} ${LIBGNUTLS_LDFLAGS} -o waitress-test

test: waitress-test
	./waitress-test

ifeq (${DYNLINK},1)
install: pianobar install-libpiano
else
install: pianobar
endif
	install -d ${DESTDIR}/${BINDIR}/
	install -m755 pianobar ${DESTDIR}/${BINDIR}/
	install -d ${DESTDIR}/${MANDIR}/man1/
	install -m644 contrib/pianobar.1 ${DESTDIR}/${MANDIR}/man1/

install-libpiano:
	install -d ${DESTDIR}/${LIBDIR}/
	install -m644 libpiano.so.0.0.0 ${DESTDIR}/${LIBDIR}/
	ln -s libpiano.so.0.0.0 ${DESTDIR}/${LIBDIR}/libpiano.so.0
	ln -s libpiano.so.0 ${DESTDIR}/${LIBDIR}/libpiano.so
	install -m644 libpiano.a ${DESTDIR}/${LIBDIR}/
	install -d ${DESTDIR}/${INCDIR}/
	install -m644 src/libpiano/piano.h ${DESTDIR}/${INCDIR}/

.PHONY: install install-libpiano test debug all