New targets to compile and install rollback tests only with USE=rbtest emerge ...

tests/Makefile

 # 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.
 
 INCLUDES += -I./include \
                 -I$(FWDIR)/lib/include \
                 -I$(FWDIR)/lib/cgptlib/include \
                 -I$(FWDIR)/lib/cryptolib/include \
                 -I$(HOSTDIR)/include
 BUILD_ROOT = ${BUILD}/tests
@@ skipping 14 matching lines @@
 TEST_LIB_OBJS = $(TEST_LIB_SRCS:%.c=${BUILD_ROOT}/%.o)
 ALL_DEPS = $(addsuffix .d,${TEST_BINS} ${TEST_LIB_OBJS})
 CFLAGS +=  -MMD -MF $@.d
 
 LIBS := ${TEST_LIB} $(HOSTLIB) $(FWLIB)
 
 ifneq (${RUNTESTS},)
 EXTRA_TARGET = runtests
 endif
 
-# Disable rollback_index_test by default because it requires the real
-# tlcl lib
-all: $(TEST_BINS) ${EXTRA_TARGET} # $(BUILD_ROOT)/rollback_index_test
+all: $(TEST_BINS) ${EXTRA_TARGET}
+
+rbtest: $(BUILD_ROOT)/rollback_index_test
 
 ${TEST_LIB}: ${TEST_LIB_OBJS}
         rm -f $@
         ar qc $@ $^
 
 ${BUILD_ROOT}/rollback_index_test.o : rollback_index_test.c
         $(CC) $(CFLAGS) -I/usr/include $(INCLUDES) -MMD -MF $@.d -c -o $@ $<
 
 ${BUILD_ROOT}/rollback_index_test: rollback_index_test.c ${HOSTLIB} ${FWLIB}
         $(CC) $(CFLAGS) -I/usr/include $(INCLUDES) $< -o $@ \
@@ skipping 46 matching lines @@
 
 # TODO: tests to run when ported to new API
 #       ./run_image_verification_tests.sh
 #       # Splicing tests
 #       ${BUILD_ROOT}/firmware_splicing_tests
 #       ${BUILD_ROOT}/kernel_splicing_tests
 #       # Rollback Tests
 #       ${BUILD_ROOT}/firmware_rollback_tests
 #       ${BUILD_ROOT}/kernel_rollback_tests
 
-# Must have a dummy install target for ebuild
-install:
-
-#install: $(BUILD_ROOT)/rollback_index_test
-#       mkdir -p $(DESTDIR)
-#       cp -f $(BUILD_ROOT)/rollback_index_test $(DESTDIR)
+install-rbtest: $(BUILD_ROOT)/rollback_index_test
+        mkdir -p $(DESTDIR)
+        cp -f $(BUILD_ROOT)/rollback_index_test $(DESTDIR)
 
 -include ${ALL_DEPS}