+### -*-makefile-*-
+
+.SECONDEXPANSION: #sorry
+all::
+
+FLAVOURS += linux
+linux_ARCHS = armel armhf arm64
+linux/armel_ARCH = arm-linux-gnueabi
+linux/armhf_ARCH = arm-linux-gnueabihf
+linux/arm64_ARCH = aarch64-linux-gnu
+
+FLAVOURS += android
+android_ARCHS = arm arm64 x86 x86_64
+android/arm_ARCH = arm-linux-androideabi
+android/arm64_ARCH = aarch64-linux-android
+android/x86_ARCH = i686-linux-android
+android/x86_64_ARCH = x86_64-linux-android
+
+V = 0
+v_tag = $(call v_tag_$V,$1)
+v_tag_0 = @printf " %-8s %s\n" "$1" "$@";
+
+SETUPS = \
+ $(foreach f,$(FLAVOURS),\
+ $(foreach a,$($f_ARCHS),etc/$f-$a-setup.sh))
+TARGETS += $(SETUPS)
+setup-flavour = $(word 1,$(subst -, ,$1))
+setup-arch = $(word 2,$(subst -, ,$1))
+
+$(SETUPS): etc/%-setup.sh: $$(call setup-flavour,$$*)-cross-setup.sh.in Makefile
+ $(call v_tag,GEN)sed 's/@arch@/$($(call setup-flavour,$*)/$(call setup-arch,$*)_ARCH)/g' $< >$@.new && mv $@.new $@
+
+all:: $(TARGETS)
+
+CLEANFILES += $(TARGETS)
+clean::; rm -f $(CLEANFILES)