VPATH = $(srcdir)
-CFLAGS += -I$(top_srcdir) -I$(top_srcdir)/lib -I$(builddir)
+CPPFLAGS += -I$(top_srcdir) -I$(top_srcdir)/lib -I$(builddir)
# we need paths to be overridable at build-time
DEFS += '-DPREFIX="$(prefix)"' '-DPKG_SHARE_DIR="$(pkgdatadir)"' \