-CXXFLAGS := -std=gnu++14 -O2 -g $(shell pkg-config libusb-1.0 --cflags) -pthread
-LDFLAGS := $(shell pkg-config libusb-1.0 --libs) -pthread
+PKG_CONFIG ?= pkg-config
+CXXFLAGS ?= -O2 -g
+CXXFLAGS := -std=gnu++14 -Wall -I. $(shell $(PKG_CONFIG) libusb-1.0 --cflags) -pthread $(CXXFLAGS)
+LDFLAGS := $(shell $(PKG_CONFIG) libusb-1.0 --libs) -pthread $(LDFLAGS)
+AR := ar
+LN := ln
+RANLIB := ranlib
+INSTALL := install
+PREFIX := /usr/local
+LIBDIR := $(PREFIX)/lib
+UDEVDIR ?= $(shell $(PKG_CONFIG) --variable udevdir udev)
+UDEVDIR ?= /lib/udev
+LIB := libbmusb.a
+SODEV := libbmusb.so
+SONAME := libbmusb.so.6
+SOLIB := libbmusb.so.6.0.4
+
+all: $(LIB) $(SOLIB) main bmusb-v4l2proxy
+
+%.pic.o : %.cpp
+ $(CXX) $(CPPFLAGS) $(CXXFLAGS) -fPIC -o $@ -c $^
main: bmusb.o main.o
- $(CXX) -o main $^ $(LDFLAGS)
+ $(CXX) -o $@ $^ $(LDFLAGS)
+
+bmusb-v4l2proxy: bmusb.o v4l2proxy.o
+ $(CXX) -o $@ $^ $(LDFLAGS)
+
+# Static library.
+$(LIB): bmusb.o fake_capture.o
+ $(AR) rc $@ $^
+ $(RANLIB) $@
+
+# Shared library.
+$(SOLIB): bmusb.pic.o fake_capture.pic.o
+ $(CXX) -shared -Wl,-soname,$(SONAME) -o $@ $^ $(LDFLAGS)
+
+clean:
+ $(RM) bmusb.o main.o v4l2proxy.o fake_capture.o bmusb.pic.o fake_capture.pic.o $(LIB) $(SOLIB) main bmusb-v4l2proxy
-all: main
+install: all
+ $(INSTALL) -m 755 -d \
+ $(DESTDIR)$(LIBDIR) \
+ $(DESTDIR)$(LIBDIR)/pkgconfig \
+ $(DESTDIR)$(PREFIX)/include/bmusb \
+ $(DESTDIR)$(UDEVDIR)/rules.d
+ $(INSTALL) -m 755 $(LIB) $(SOLIB) $(DESTDIR)$(LIBDIR)
+ $(LN) -sf $(SOLIB) $(DESTDIR)$(LIBDIR)/$(SONAME)
+ $(LN) -sf $(SOLIB) $(DESTDIR)$(LIBDIR)/$(SODEV)
+ $(INSTALL) -m 755 bmusb/bmusb.h bmusb/fake_capture.h $(DESTDIR)$(PREFIX)/include/bmusb
+ $(INSTALL) -m 644 bmusb.pc $(DESTDIR)$(LIBDIR)/pkgconfig
+ $(INSTALL) -m 644 70-bmusb.rules $(DESTDIR)$(UDEVDIR)/rules.d