Index: kpw.d/makefile
==================================================================
--- kpw.d/makefile
+++ kpw.d/makefile
@@ -2,11 +2,11 @@
 
 cdeps = compose.c iaia.c tbl.c
 cpaths = $(cdeps:%=$(root)/clib/%)
 
 $(root)/kpw: kpw.c opt.inc err.inc $(cpaths)
-	$(cc) -I$(root) $< -lsodium -o $@ $(flags) $(cc-post)
+	$(cc) -I$(root) $< -lsodium $(l-shmem) -o $@ $(flags) $(cc-post)
 
 tab = cat $< | awk -v emit=$1 -F'\t+' -f $<.awk >> $@
 
 opt.inc: optab optab.awk
 	:>$@

Index: makerules
==================================================================
--- makerules
+++ makerules
@@ -16,10 +16,16 @@
 
 post = $(if $(debug),, && strip $@)
 cc-post = $(post)
 sc-post = $(post)
 mc-post = $(post)
+
+os = $(shell uname -o)
+
+ifeq ($(os),Android)
+    l-shmem = -landroid-shmem
+endif
 
 %: %.c
 	$(cc) $< -o$@ $(cc-post)
 
 %: %.ml