# Top-level Makefile fragment for Hubbub

# Default target
all: release

# Name of component
COMPONENT := libhubbub

# Environment
EXPORT := $(CURDIR)/dist
TOP := $(CURDIR)
RELEASEDIR := build/Release
DEBUGDIR := build/Debug
COVERAGEDIR := build/coverage

# List of items to delete on clean
ITEMS_CLEAN :=
# List of items to delete on distclean
ITEMS_DISTCLEAN :=

# List of targets to run for testing
TARGET_TESTS :=

# Source files
SOURCES :=

# Include Makefile fragments in subdirectories

define do_include
DIR := $$(dir $(1))
include $(1)

endef

MAKE_INCLUDES := $(wildcard */Makefile)
$(eval $(foreach INC, $(MAKE_INCLUDES), $(call do_include,$(INC))))

# Calculate objects to build
OBJECTS := $(subst /,_,$(subst .c,.o,$(SOURCES)))

.PHONY: release debug test coverage profile \
	clean distclean setup export install uninstall

# Rules
release: setup $(addprefix $(RELEASEDIR)/,$(OBJECTS))
	@$(AR) $(ARFLAGS) $(COMPONENT).a $(RELEASEDIR)/*

debug: setup $(addprefix $(DEBUGDIR)/,$(OBJECTS))
	@$(AR) $(ARFLAGS) $(COMPONENT)-debug.a $(DEBUGDIR)/*

test: debug $(TARGET_TESTS)

coverage: clean
	@$(LCOV) --directory . --zerocounters
	@$(MAKE) test CFLAGS="$(CFLAGS) -fprofile-arcs -ftest-coverage" \
		LDFLAGS="$(LDFLAGS) -lgcov"
	@$(LCOV) --directory $(DEBUGDIR) --base-directory $(TOP) \
		--capture --output-file $(COVERAGEDIR)/$(COMPONENT)_tmp.info
	@$(LCOV) --extract $(COVERAGEDIR)/$(COMPONENT)_tmp.info "$(TOP)/src*" \
		-o $(COVERAGEDIR)/$(COMPONENT).info
	@$(RM) $(RMFLAGS) $(COVERAGEDIR)/$(COMPONENT)_tmp.info
	@$(GENHTML) -o $(COVERAGEDIR) --num-spaces 2 \
		$(COVERAGEDIR)/$(COMPONENT).info

profile: clean
	@$(MAKE) test CFLAGS="$(CFLAGS) -pg" LDFLAGS="-pg $(LDFLAGS)"

clean:
	-@$(RM) $(RMFLAGS) $(ITEMS_CLEAN)
	-@$(RM) $(RMFLAGS) gmon.out
	-@$(RM) $(RMFLAGS) -r $(COVERAGEDIR)
	-@$(RM) $(RMFLAGS) -r $(RELEASEDIR)
	-@$(RM) $(RMFLAGS) -r $(DEBUGDIR)
	-@$(RM) $(RMFLAGS) $(COMPONENT).a
	-@$(RM) $(RMFLAGS) $(COMPONENT)-debug.a
	-@$(RM) $(RMFLAGS) $(COMPONENT).pc

distclean: clean
	-@$(RM) $(RMFLAGS) $(ITEMS_DISTCLEAN)
	-@$(RM) $(RMFLAGS) -r $(TOP)/dist

setup:
	@$(MKDIR) $(MKDIRFLAGS) $(RELEASEDIR)
	@$(MKDIR) $(MKDIRFLAGS) $(DEBUGDIR)
	@$(MKDIR) $(MKDIRFLAGS) $(COVERAGEDIR)

export: release
	@$(MKDIR) $(MKDIRFLAGS) $(TOP)/dist/lib
	@$(CP) $(CPFLAGS) -r include $(EXPORT)/
	@${CP} ${CPFLAGS} $(COMPONENT).a ${EXPORT}/lib/

install: release
	@$(MKDIR) $(MKDIRFLAGS) -p $(PREFIX)/lib/pkgconfig
	@$(MKDIR) $(MKDIRFLAGS) -p $(PREFIX)/include/hubbub
	@$(SED) -e 's#PREFIX#$(PREFIX)#' $(COMPONENT).pc.in >$(COMPONENT).pc
	@$(INSTALL) --mode=644 -t $(PREFIX)/lib $(COMPONENT).a
	@$(INSTALL) --mode=644 -t $(PREFIX)/lib/pkgconfig $(COMPONENT).pc
	@$(INSTALL) --mode=644 -t $(PREFIX)/include/hubbub $(filter %.h, $(wildcard include/hubbub/*))

uninstall:
	@$(RM) $(RMFLAGS) $(PREFIX)/lib/$(COMPONENT).a
	@$(RM) $(RMFLAGS) $(PREFIX)/lib/pkgconfig/$(COMPONENT).pc
	@$(RM) $(RMFLAGS) -r $(PREFIX)/include/hubbub

# Finally, build rules for compilation
define do_compile
$$(RELEASEDIR)/$(2): $(1)
	@$$(ECHO) $$(ECHOFLAGS) "==> $(1)"
	@$$(CC) -c $$(RELEASECFLAGS) -o $$@ $(1)

$$(DEBUGDIR)/$(2): $(1)
	@$$(ECHO) $$(ECHOFLAGS) "==> $(1)"
	@$$(CC) -c $$(DEBUGCFLAGS) -o $$@ $(1)

endef

$(eval $(foreach SOURCE,$(filter %.c,$(SOURCES)), \
	$(call do_compile,$(SOURCE),$(subst /,_,$(SOURCE:.c=.o)))))