+ifeq ($(OS),Linux)
+CPPFLAGS+=-DLINUX
+CPPFLAGS+=-D_GNU_SOURCE
+CFLAGS += $(shell pkg-config --cflags libnl-genl-3.0)
+LIBS += $(shell pkg-config --libs libnl-genl-3.0)
+LIBS+=-lasound
+endif
+
+ifeq ($(OS),GNU/kFreeBSD)
+LIBS+=-lbsd
+endif
+
+ifneq (, $(filter $(OS), DragonFly FreeBSD OpenBSD))
+CFLAGS+=-I/usr/local/include/
+LDFLAGS+=-L/usr/local/lib/
+endif
+
+ifeq ($(OS),NetBSD)
+LIBS+=-lprop
+endif
+
+# This probably applies for any pkgsrc based system
+ifneq (, $(filter $(OS), NetBSD DragonFly))
+CFLAGS+=-I/usr/pkg/include/
+LDFLAGS+=-L/usr/pkg/lib/
+endif
+
+V ?= 0
+ifeq ($(V),0)
+# Don’t print command lines which are run
+.SILENT: