first cut: establishes base helper classes and main

Makefile

Index: Makefile
diff --git a/Makefile b/Makefile
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+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Top-level Makefile for cros_boot_mode.
+
+# Pull in chromium os defaults
+include common.mk
+
+# Filter out the two legacy style binaries.
+BOOT_MODE_OBJECTS=$(filter-out %_testrunner.o %_unittest.o,$(CXX_OBJECTS))
+$(OUT)cros_boot_mode: $(BOOT_MODE_OBJECTS)
+	$(call cxx_binary)
+all: $(OUT)cros_boot_mode
+RM_ON_CLEAN += $(OUT)cros_boot_mode
+
+$(OUT)libcros_boot_mode.so: $(filter-out %_main.o,$(BOOT_MODE_OBJECTS))
+	$(call cc_library)
+all: $(OUT)libcros_boot_mode.so
+RM_ON_CLEAN += $(OUT)libcros_boot_mode.so
+
+#
+# Tests are not built by default.
+#
+
+# -lglib-2.0 is needed by libbase.a now.
+$(OUT)cros_boot_mode_testrunner: $(filter-out %_main.o,$(CXX_OBJECTS))
+	$(call cxx_binary,-lgtest -lgmock -lbase -lglib-2.0 -lrt -lpthread)
+RM_ON_CLEAN += $(OUT)cros_boot_mode_testrunner
+# Will run each prerequisite for tests.
+# If cross-compiled, this is done against the correct architecture.
+small_tests: $(OUT)cros_boot_mode_testrunner
+# No large tests here so we use the NONE target.
+large_tests: NONE