added a new build module for statically linked toybox (toybox_static)
In order to enable modprobe in recovery mode (for Treble), this change
add a target for building statically linked toybox (toybox_static). The
binary is installed in /sbin of root file system along with symbolic
link to it for 'modprobe'.
Bug: 35633646
Test: Build and tested it works in recovery
Change-Id: I589c4a248e135c6c0e25aadd063717c87369ef40
diff --git a/Android.mk b/Android.mk
index b0c6ae4..92c8e42 100644
--- a/Android.mk
+++ b/Android.mk
@@ -44,9 +44,7 @@
# # If you just want to use it as "toybox x" rather than "x", you can stop now.
# # If you want this toy to have a symbolic link in /system/bin, add the toy to ALL_TOOLS.
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := \
+common_SRC_FILES := \
lib/args.c \
lib/dirtree.c \
lib/getmountlist.c \
@@ -210,7 +208,7 @@
toys/posix/wc.c \
toys/posix/xargs.c \
-LOCAL_CFLAGS += \
+common_CFLAGS := \
-std=c99 \
-Os \
-Wno-char-subscripts \
@@ -226,7 +224,16 @@
toybox_sha := $(shell git -C $(LOCAL_PATH) rev-parse --short=12 HEAD 2>/dev/null)
toybox_version := $(toybox_upstream_version)-$(toybox_sha)-android
-LOCAL_CFLAGS += -DTOYBOX_VERSION='"$(toybox_version)"'
+
+common_CFLAGS += -DTOYBOX_VERSION='"$(toybox_version)"'
+
+############################################
+# toybox for /system
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(common_SRC_FILES)
+
+LOCAL_CFLAGS := $(common_CFLAGS)
LOCAL_CLANG := true
@@ -395,3 +402,33 @@
LOCAL_POST_INSTALL_CMD := $(hide) $(foreach t,$(ALL_TOOLS),ln -sf toybox $(TARGET_OUT)/bin/$(t);)
include $(BUILD_EXECUTABLE)
+
+############################################
+# static version to be installed in recovery
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(common_SRC_FILES)
+
+LOCAL_CFLAGS := $(common_CFLAGS)
+
+LOCAL_CLANG := true
+
+LOCAL_STATIC_LIBRARIES := liblog libcutils libselinux libcrypto libm libc
+
+# libc++_static is needed by static liblog
+LOCAL_CXX_STL := libc++_static
+
+LOCAL_MODULE := toybox_static
+
+LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)/sbin
+
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+
+ALL_TOOLS := \
+ modprobe \
+
+# Install the symlinks.
+LOCAL_POST_INSTALL_CMD := $(hide) $(foreach t,$(ALL_TOOLS),ln -sf ${LOCAL_MODULE} $(LOCAL_MODULE_PATH)/$(t);)
+
+include $(BUILD_EXECUTABLE)
