try to simplify makefiles

Android.mk

@@ -1,32 +1,9 @@
 LOCAL_PATH := $(call my-dir)
-
 include $(CLEAR_VARS)
 
-# name of the librairy
-LOCAL_MODULE := agg
-
-# name of the dependency
-LOCAL_STATIC_LIBRARIES := libfreetype
-
-LOCAL_C_INCLUDES := $(LOCAL_PATH) \
-                    $(LOCAL_PATH)/agg-2.4/ \
-                    $(LOCAL_PATH)/agg-2.4/util/
-
-LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
-
-ifeq ($(DEBUG),1)
-LOCAL_CFLAGS := -D__PLATFORM__Android \
-                -DAGG_DEBUG_LEVEL=3 \
-                -DAGG_VERSION_TAG_NAME="\"2.4-debug\""
-else
-LOCAL_CFLAGS := -D__PLATFORM__Android \
-                -DAGG_DEBUG_LEVEL=3 \
-                -DAGG_VERSION_TAG_NAME="\"2.4-release\""
-endif
-
 # load the common sources file of the platform
-include $(LOCAL_PATH)/file.mk
+include $(LOCAL_PATH)/Generic.mk
 
-LOCAL_SRC_FILES := $(FILE_LIST)
+LOCAL_CFLAGS += -D__PLATFORM__Android
 
 include $(BUILD_STATIC_LIBRARY)

Generic.mk

@@ -0,0 +1,31 @@
+
+# get the tag of the current project : 
+LOCAL_VERSION_TAG=$(shell cd $(LOCAL_PATH) ; git describe --tags)
+LOCAL_VERSION_TAG_SHORT=$(shell cd $(LOCAL_PATH) ; git describe --tags --abbrev=0)
+$(info $(LOCAL_MODULE) version TAG : $(LOCAL_VERSION_TAG))
+
+# name of the librairy
+LOCAL_MODULE := agg
+
+# name of the dependency
+LOCAL_STATIC_LIBRARIES := libfreetype
+
+LOCAL_C_INCLUDES := $(LOCAL_PATH) \
+                    $(LOCAL_PATH)/agg/ \
+                    $(LOCAL_PATH)/agg/util/
+
+LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
+
+ifeq ($(DEBUG),1)
+LOCAL_CFLAGS := -DAGG_DEBUG_LEVEL=3 \
+                -DAGG_VERSION_TAG_NAME="\"$(LOCAL_VERSION_TAG_SHORT)-debug\""
+else
+LOCAL_CFLAGS := -DAGG_DEBUG_LEVEL=3 \
+                -DAGG_VERSION_TAG_NAME="\"$(LOCAL_VERSION_TAG_SHORT)-release\""
+endif
+
+# load the common sources file of the platform
+include $(LOCAL_PATH)/file.mk
+
+LOCAL_SRC_FILES := $(FILE_LIST)
+

Linux.mk

@@ -1,32 +1,9 @@
 LOCAL_PATH := $(call my-dir)
-
 include $(CLEAR_VARS)
 
-# name of the librairy
-LOCAL_MODULE := agg
-
-# name of the dependency
-LOCAL_STATIC_LIBRARIES := libfreetype
-
-LOCAL_C_INCLUDES := $(LOCAL_PATH) \
-                    $(LOCAL_PATH)/agg-2.4/ \
-                    $(LOCAL_PATH)/agg-2.4/util/
-
-LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
-
-ifeq ($(DEBUG),1)
-LOCAL_CFLAGS := -D__PLATFORM__Linux \
-                -DAGG_DEBUG_LEVEL=3 \
-                -DAGG_VERSION_TAG_NAME="\"2.4-debug\""
-else
-LOCAL_CFLAGS := -D__PLATFORM__Linux \
-                -DAGG_DEBUG_LEVEL=3 \
-                -DAGG_VERSION_TAG_NAME="\"2.4-release\""
-endif
-
 # load the common sources file of the platform
-include $(LOCAL_PATH)/file.mk
+include $(LOCAL_PATH)/Generic.mk
 
-LOCAL_SRC_FILES := $(FILE_LIST)
+LOCAL_CFLAGS += -D__PLATFORM__Linux
 
 include $(BUILD_STATIC_LIBRARY)