@@ -763,10 +763,16 @@
 		    -o x"$enable_shared" = x"no"], [
 			AC_SUBST(OBJFW_BRIDGE_STATIC_LIB, "libobjfw-bridge.a")
 		])
 	])
 ])
+
+case "$host" in
+	arm-apple-darwin*)
+		AC_DEFINE(OF_IOS, 1, [Whether we compile for iOS])
+		;;
+esac
 
 AS_IF([test x"$GOBJC" = x"yes"], [
 	OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith -Werror"
 
 	AC_MSG_CHECKING(whether we have gcc bug objc/27438)