diff --git a/toolbox/Android.bp b/toolbox/Android.bp
new file mode 100644
index 0000000..1c9fb20
--- /dev/null
+++ b/toolbox/Android.bp
@@ -0,0 +1,44 @@
+common_cflags = [
+    "-Werror",
+    "-Wno-unused-parameter",
+    "-Wno-unused-const-variable",
+    "-include bsd-compatibility.h"
+]
+
+cc_library_static {
+    srcs: [
+        "upstream-netbsd/bin/dd/args.c",
+        "upstream-netbsd/bin/dd/conv.c",
+        "upstream-netbsd/bin/dd/dd.c",
+        "upstream-netbsd/bin/dd/dd_hostops.c",
+        "upstream-netbsd/bin/dd/misc.c",
+        "upstream-netbsd/bin/dd/position.c",
+        "upstream-netbsd/lib/libc/gen/getbsize.c",
+        "upstream-netbsd/lib/libc/gen/humanize_number.c",
+        "upstream-netbsd/lib/libc/stdlib/strsuftoll.c",
+        "upstream-netbsd/lib/libc/string/swab.c",
+        "upstream-netbsd/lib/libutil/raise_default_signal.c",
+    ],
+    cflags: common_cflags + [
+        "-Dmain=dd_main",
+        "-DNO_CONV",
+    ],
+    local_include_dirs: ["upstream-netbsd/include/"],
+    name: "libtoolbox_dd",
+}
+
+// We build BSD grep separately, so it can provide egrep and fgrep too.
+cc_binary {
+    name: "grep",
+    srcs: [
+        "upstream-netbsd/usr.bin/grep/fastgrep.c",
+        "upstream-netbsd/usr.bin/grep/file.c",
+        "upstream-netbsd/usr.bin/grep/grep.c",
+        "upstream-netbsd/usr.bin/grep/queue.c",
+        "upstream-netbsd/usr.bin/grep/util.c",
+    ],
+    cflags: common_cflags,
+    local_include_dirs: ["upstream-netbsd/include/"],
+    symlinks: ["egrep", "fgrep"],
+
+}
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index d6ead1a..94029d8 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -1,30 +1,9 @@
 LOCAL_PATH:= $(call my-dir)
 
-
 common_cflags := \
     -Werror -Wno-unused-parameter -Wno-unused-const-variable \
     -include bsd-compatibility.h \
 
-
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := \
-    upstream-netbsd/bin/dd/args.c \
-    upstream-netbsd/bin/dd/conv.c \
-    upstream-netbsd/bin/dd/dd.c \
-    upstream-netbsd/bin/dd/dd_hostops.c \
-    upstream-netbsd/bin/dd/misc.c \
-    upstream-netbsd/bin/dd/position.c \
-    upstream-netbsd/lib/libc/gen/getbsize.c \
-    upstream-netbsd/lib/libc/gen/humanize_number.c \
-    upstream-netbsd/lib/libc/stdlib/strsuftoll.c \
-    upstream-netbsd/lib/libc/string/swab.c \
-    upstream-netbsd/lib/libutil/raise_default_signal.c
-LOCAL_CFLAGS += $(common_cflags) -Dmain=dd_main -DNO_CONV
-LOCAL_C_INCLUDES += $(LOCAL_PATH)/upstream-netbsd/include/
-LOCAL_MODULE := libtoolbox_dd
-include $(BUILD_STATIC_LIBRARY)
-
-
 include $(CLEAR_VARS)
 
 BSD_TOOLS := \
@@ -80,18 +59,3 @@
 $(INPUT_H_LABELS_H): $(LOCAL_PATH)/Android.mk $(LOCAL_PATH)/generate-input.h-labels.py $(UAPI_INPUT_EVENT_CODES_H)
 $(INPUT_H_LABELS_H):
 	$(transform-generated-source)
-
-
-# We build BSD grep separately, so it can provide egrep and fgrep too.
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES := \
-    upstream-netbsd/usr.bin/grep/fastgrep.c \
-    upstream-netbsd/usr.bin/grep/file.c \
-    upstream-netbsd/usr.bin/grep/grep.c \
-    upstream-netbsd/usr.bin/grep/queue.c \
-    upstream-netbsd/usr.bin/grep/util.c
-LOCAL_CFLAGS += $(common_cflags)
-LOCAL_C_INCLUDES += $(LOCAL_PATH)/upstream-netbsd/include/
-LOCAL_MODULE := grep
-LOCAL_POST_INSTALL_CMD := $(hide) $(foreach t,egrep fgrep,ln -sf grep $(TARGET_OUT)/bin/$(t);)
-include $(BUILD_EXECUTABLE)