PREFIX ?= /usr/local libdir ?= /lib includedir ?= /include pkgconfigdir ?= /lib/pkgconfig MAKEFLAGS += --no-builtin-rules WARNINGS := -Wall -Wextra -Wpedantic -Wformat=2 -Wstrict-aliasing=3 -Wstrict-overflow=5 -Wstack-usage=64000 \ -Wfloat-equal -Wcast-align -Wpointer-arith -Wchar-subscripts -Warray-bounds=2 override CFLAGS ?= -g override CFLAGS += -std=c11 $(WARNINGS) override CPPFLAGS += -Iinclude override LDFLAGS += -fPIC libs = libasound.so.2.0.0 libsymlinks = libasound.so.2 libasound.so pkgconfigs = alsa.pc all: $(libs) $(libsymlinks) $(pkgconfigs) %.pc: %.pc.in m4 -DINCLUDEDIR="$(PREFIX)$(includedir)" -DLIBDIR="$(PREFIX)$(libdir)" $^ > $@ libasound.so.2.0.0: private override CPPFLAGS += -D_DEFAULT_SOURCE libasound.so.2.0.0: private override CPPFLAGS += -DBYTE_ORDER=__BYTE_ORDER -DLITTLE_ENDIAN=__LITTLE_ENDIAN -DBIG_ENDIAN=__BIG_ENDIAN libasound.so.2.0.0: private override CFLAGS += -Wno-unused-parameter -Wno-deprecated-declarations libasound.so.2.0.0: private override LDFLAGS += -Wl,--version-script=libasound.map -Wl,-soname,libasound.so.2 libasound.so.2.0.0: private override LDLIBS += -lsndio libasound.so.2.0.0: src/libasound.c src/pcm.c src/mixer.c src/util/dsp.c src/util/dsp.h src/util/sysex.h src/util/defs.h src/util/util.h src/stubs.h src/symversioning-hell.h libasound.map $(LINK.c) -shared $(filter %.c,$^) $(LDLIBS) -o $@ libasound.so.2: libasound.so.2.0.0 ln -fs $^ $@ libasound.so: libasound.so.2.0.0 ln -fs $^ $@ install-lib: $(libs) install -Dm755 $^ -t "$(DESTDIR)$(PREFIX)$(libdir)" install-symlinks: $(libsymlinks) chmod 755 $^ mkdir -p "$(DESTDIR)$(PREFIX)$(libdir)" cp -P $^ "$(DESTDIR)$(PREFIX)$(libdir)" install-pkgconfig: $(pkgconfigs) install -Dm755 $^ -t "$(DESTDIR)$(PREFIX)$(pkgconfigdir)" install-include: mkdir -p "$(DESTDIR)$(PREFIX)$(includedir)" cp -r include/alsa "$(DESTDIR)$(PREFIX)$(includedir)/" install: install-lib install-symlinks install-pkgconfig install-include clean: $(RM) $(libs) $(libsymlinks) $(pkgconfigs) .PHONY: all clean install