Adding support for the build of libcharon (and charon) on Android.

Android.mk.in

@@ -52,5 +52,6 @@ strongswan_CFLAGS += \
 
 include $(addprefix $(LOCAL_PATH)/src/,$(addsuffix /Android.mk, \
 		charon \
+		libcharon \
 		libstrongswan \
 	))

src/charon/Android.mk

@@ -0,0 +1,26 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+# copy-n-paste from Makefile.am
+LOCAL_SRC_FILES := \
+	charon.c
+
+# build charon -----------------------------------------------------------------
+
+LOCAL_C_INCLUDES += \
+	$(libvstr_PATH) \
+	$(strongswan_PATH)/src/libcharon \
+	$(strongswan_PATH)/src/libstrongswan
+
+LOCAL_CFLAGS := $(strongswan_CFLAGS)
+
+LOCAL_MODULE := charon
+
+LOCAL_ARM_MODE := arm
+
+LOCAL_PRELINK_MODULE := false
+
+LOCAL_SHARED_LIBRARIES += libstrongswan libcharon
+
+include $(BUILD_EXECUTABLE)
+

src/libcharon/Android.mk

@@ -210,7 +210,7 @@ LOCAL_SRC_FILES += $(call add_plugin, socket-dynamic, \
 	socket_dynamic_socket.h socket_dynamic_socket.c \
 )
 
-# build charon -----------------------------------------------------------------
+# build libcharon --------------------------------------------------------------
 
 LOCAL_C_INCLUDES += \
 	$(libvstr_PATH) \
@@ -219,10 +219,7 @@ LOCAL_C_INCLUDES += \
 
 LOCAL_CFLAGS := $(strongswan_CFLAGS)
 
-# this is required to be able load the plugins
-LOCAL_LDFLAGS := -Wl,--export-dynamic
-
-LOCAL_MODULE := charon
+LOCAL_MODULE := libcharon
 
 LOCAL_ARM_MODE := arm
 
@@ -230,5 +227,5 @@ LOCAL_PRELINK_MODULE := false
 
 LOCAL_SHARED_LIBRARIES += libstrongswan
 
-include $(BUILD_EXECUTABLE)
+include $(BUILD_SHARED_LIBRARY)