-PKG_CFLAGS_ := $(CFLAGS)
-PKG_CXXFLAGS_ := $(CXXFLAGS)
-PKG_LDFLAGS_ := $(LDFLAGS)
+CFLAGS_ := $(CFLAGS)
+CXXFLAGS_ := $(CXXFLAGS)
+LDFLAGS_ := $(LDFLAGS)
-export PKG_CFLAGS_ PKG_CXXFLAGS_ PKG_LDFLAGS_
+export CFLAGS_ CXXFLAGS_ LDFLAGS_
unexport CFLAGS CXXFLAGS LDFLAGS
AM_MAKEFLAGS := -j$(WANT_JOBS)