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# Child makefile fragment
#
# Toolchain is provided by top-level makefile
#
# Variables provided by top-level makefile
#
# COMPONENT The name of the component
# EXPORT The location of the export directory
# TOP The location of the source tree root
# RELEASEDIR The place to put release objects
# DEBUGDIR The place to put debug objects
#
# do_include Canned command sequence to include a child makefile
#
# Variables provided by parent makefile:
#
# DIR The name of the directory we're in, relative to $(TOP)
#
# Variables we can manipulate:
#
# ITEMS_CLEAN The list of items to remove for "make clean"
# ITEMS_DISTCLEAN The list of items to remove for "make distclean"
# TARGET_TESTS The list of target names to run for "make test"
#
# SOURCES The list of sources to build for $(COMPONENT)
#
# Plus anything from the toolchain
# Push parent directory onto the directory stack
sp := $(sp).x
dirstack_$(sp) := $(d)
d := $(DIR)
# Extend toolchain settings
CFLAGS := $(CFLAGS) -I$(TOP)/src/ -I$(d)
# Tests
TESTS_$(d) := csdetect css21 lex lex-auto libcss number parse parse-auto \
parse2-auto
TESTS_$(d) := $(TESTS_$(d))
# Items for top-level makefile to use
ITEMS_CLEAN := $(ITEMS_CLEAN) \
$(addprefix $(d), $(addsuffix $(EXEEXT), $(TESTS_$(d)))) \
$(addprefix $(d), $(addsuffix .gcda, $(TESTS_$(d)))) \
$(addprefix $(d), $(addsuffix .gcno, $(TESTS_$(d)))) \
$(addprefix $(d), $(addsuffix .d, $(TESTS_$(d))))
ITEMS_DISTCLEAN := $(ITEMS_DISTCLEAN) $(d)log
# Targets for top-level makefile to run
TARGET_TESTS := $(TARGET_TESTS) test_$(d)
# Now we get to hack around so that we know what directory we're in.
# $(d) no longer exists when running the commands for a target, so we can't
# simply use it verbatim. Assigning to a variable doesn't really help, as
# there's no guarantee that someone else hasn't overridden that variable.
# So, what we do is make the target depend on $(d), then pick it out of the
# dependency list when running commands. This isn't pretty, but is effective.
test_$(d): $(d) $(addprefix $(d), $(TESTS_$(d)))
@$(PERL) $(TOP)/$<testrunner.pl $(TOP)/$< $(EXEEXT)
DEP_$(d) :=
define dep_test
DEP_$(d) += $(2)
$(2): $(1)
@$$(RM) $$(RMFLAGS) $(2)
@$$(CC) $$(DEBUGCFLAGS) -MM -MT '$(2) $(3)' -MF $(2) $(1)
endef
# Build rules for each test binary -- they all depend on the debug library
define compile_test
$(2): $$(TOP)/$$(COMPONENT)-debug.a $(1)
@$$(ECHO) $$(ECHOFLAGS) "==> $(1)"
@$$(CC) -c -g $$(DEBUGCFLAGS) -o $$@.o $(1)
@$$(LD) -g -o $$@ $$@.o -lcss-debug $$(LDFLAGS)
@$$(RM) $$(RMFLAGS) $$@.o
endef
$(eval $(foreach TEST,$(addprefix $(d), $(TESTS_$(d))), \
$(call dep_test,$(addsuffix .c, $(TEST)),$(addsuffix .d, $(TEST)),$(TEST))))
ifneq ($(findstring clean,$(MAKECMDGOALS)),clean)
-include $(sort $(DEP_$(d)))
endif
$(eval $(foreach TEST,$(addprefix $(d), $(TESTS_$(d))), \
$(call compile_test,$(addsuffix .c, $(TEST)),$(TEST))))
# Now include any children we may have
MAKE_INCLUDES := $(wildcard $(d)*/Makefile)
$(eval $(foreach INC, $(MAKE_INCLUDES), $(call do_include,$(INC))))
# Finally, pop off the directory stack
d := $(dirstack_$(sp))
sp := $(basename $(sp))
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