First commit of split-select tool

This tool emits a set of rules as JSON for when a Split APK
should match a target device.

Change-Id: I8bfbdfbdb51efcfc645889dd03e1961f16e39645
diff --git a/tools/split-select/Android.mk b/tools/split-select/Android.mk
new file mode 100644
index 0000000..d0b7287
--- /dev/null
+++ b/tools/split-select/Android.mk
@@ -0,0 +1,119 @@
+#
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This tool is prebuilt if we're doing an app-only build.
+ifeq ($(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)),)
+
+# TODO(adamlesinski): Enable OS X builds when I figure out how
+# to build with clang and libc++
+ifneq ($(HOST_OS),darwin)
+
+# ==========================================================
+# Setup some common variables for the different build
+# targets here.
+# ==========================================================
+LOCAL_PATH:= $(call my-dir)
+
+main := Main.cpp
+sources := \
+    Abi.cpp \
+    Grouper.cpp \
+    Rule.cpp \
+    RuleGenerator.cpp \
+    SplitDescription.cpp
+
+testSources := \
+    Grouper_test.cpp \
+    Rule_test.cpp \
+    RuleGenerator_test.cpp
+
+cIncludes := \
+    external/zlib \
+    frameworks/base/tools
+
+hostLdLibs :=
+hostStaticLibs := \
+    libaapt \
+    libandroidfw \
+    libpng \
+    liblog \
+    libutils \
+    libcutils \
+    libexpat \
+    libziparchive-host
+
+cFlags := -std=c++11 -Wall -Werror
+
+ifeq ($(HOST_OS),linux)
+    hostLdLibs += -lrt -ldl -lpthread
+endif
+
+# Statically link libz for MinGW (Win SDK under Linux),
+# and dynamically link for all others.
+ifneq ($(strip $(USE_MINGW)),)
+    hostStaticLibs += libz
+else
+    hostLdLibs += -lz
+endif
+
+
+# ==========================================================
+# Build the host static library: libsplit-select
+# ==========================================================
+include $(CLEAR_VARS)
+LOCAL_MODULE := libsplit-select
+
+LOCAL_SRC_FILES := $(sources)
+
+LOCAL_C_INCLUDES += $(cIncludes)
+LOCAL_CFLAGS += $(cFlags) -D_DARWIN_UNLIMITED_STREAMS
+
+include $(BUILD_HOST_STATIC_LIBRARY)
+
+
+# ==========================================================
+# Build the host tests: libsplit-select_tests
+# ==========================================================
+include $(CLEAR_VARS)
+LOCAL_MODULE := libsplit-select_tests
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_SRC_FILES := $(testSources)
+
+LOCAL_C_INCLUDES += $(cIncludes)
+LOCAL_STATIC_LIBRARIES += libsplit-select $(hostStaticLibs)
+LOCAL_LDLIBS += $(hostLdLibs)
+LOCAL_CFLAGS += $(cFlags)
+
+include $(BUILD_HOST_NATIVE_TEST)
+
+# ==========================================================
+# Build the host executable: split-select
+# ==========================================================
+include $(CLEAR_VARS)
+LOCAL_MODULE := split-select
+
+LOCAL_SRC_FILES := $(main)
+
+LOCAL_C_INCLUDES += $(cIncludes)
+LOCAL_STATIC_LIBRARIES += libsplit-select $(hostStaticLibs)
+LOCAL_LDLIBS += $(hostLdLibs)
+LOCAL_CFLAGS += $(cFlags)
+
+include $(BUILD_HOST_EXECUTABLE)
+
+endif # Not OS X
+endif # No TARGET_BUILD_APPS or TARGET_BUILD_PDK