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#
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# LUFA Library
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# Copyright (C) Dean Camera, 2012.
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#
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# dean [at] fourwalledcubicle [dot] com
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# www.lufa-lib.org
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#
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LUFA_BUILD_MODULES += DOXYGEN
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LUFA_BUILD_TARGETS += doxygen
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LUFA_BUILD_MANDATORY_VARS += LUFA_PATH
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LUFA_BUILD_OPTIONAL_VARS += DOXYGEN_CONF DOXYGEN_FAIL_ON_WARNING DOXYGEN_OVERRIDE_PARAMS
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LUFA_BUILD_PROVIDED_VARS +=
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LUFA_BUILD_PROVIDED_MACROS +=
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# -----------------------------------------------------------------------------
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# LUFA Doxygen Buildsystem Makefile Module.
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# -----------------------------------------------------------------------------
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# DESCRIPTION:
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# Provides a set of targets to automatically build Doxygen documentation for
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# a project (see www.doxygen.org).
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# -----------------------------------------------------------------------------
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# TARGETS:
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#
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# doxygen - Build Doxygen Documentation
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#
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# MANDATORY PARAMETERS:
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#
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# LUFA_PATH - Path to the LUFA library core
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#
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# OPTIONAL PARAMETERS:
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#
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# DOXYGEN_CONF - Doxygen configuration filename
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# DOXYGEN_FAIL_ON_WARNING - Set to Y to fail the build on Doxygen warnings,
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# N to continue even if warnings occur
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# DOXYGEN_OVERRIDE_PARAMS - Parameters to override in the doxygen
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# configuration file
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# PROVIDED VARIABLES:
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#
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# (None)
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#
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# PROVIDED MACROS:
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#
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# (None)
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#
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# -----------------------------------------------------------------------------
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SHELL = /bin/sh
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ERROR_IF_UNSET ?= $(if $(filter undefined, $(origin $(strip $(1)))), $(error Makefile $(strip $(1)) value not set))
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ERROR_IF_EMPTY ?= $(if $(strip $($(strip $(1)))), , $(error Makefile $(strip $(1)) option cannot be blank))
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ERROR_IF_NONBOOL ?= $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N))
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# Default values of optionally user-supplied variables
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DOXYGEN_CONF ?= Doxygen.conf
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DOXYGEN_FAIL_ON_WARNING ?= Y
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DOXYGEN_OVERRIDE_PARAMS ?= QUIET=YES HTML_EXTRA_STYLESHEET=$(patsubst %/,%,$(LUFA_PATH))/DoxygenPages/Style/Style.css
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# Sanity check user supplied values
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$(foreach MANDATORY_VAR, $(LUFA_BUILD_MANDATORY_VARS), $(call ERROR_IF_UNSET, $(MANDATORY_VAR)))
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$(call ERROR_IF_EMPTY, DOXYGEN_CONF)
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$(call ERROR_IF_EMPTY, LUFA_PATH)
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$(call ERROR_IF_NONBOOL, DOXYGEN_FAIL_ON_WARNING)
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# Output Messages
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MSG_DOXYGEN_CMD := ' [DOXYGEN] :'
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# Determine Doxygen invocation command
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BASE_DOXYGEN_CMD := ( cat $(DOXYGEN_CONF) $(DOXYGEN_OVERRIDE_PARAMS:%=; echo "%") ) | doxygen -
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ifeq ($(DOXYGEN_FAIL_ON_WARNING), Y)
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DOXYGEN_CMD := if ( $(BASE_DOXYGEN_CMD) 2>&1 | grep -v "warning: ignoring unsupported tag" ;); then exit 1; fi;
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else
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DOXYGEN_CMD := $(BASE_DOXYGEN_CMD)
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endif
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# Builds the project documentation using the specified configuration file and the DOXYGEN tool
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doxygen:
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@echo $(MSG_DOXYGEN_CMD) Configuration file \"$(DOXYGEN_CONF)\" with parameters \"$(DOXYGEN_OVERRIDE_PARAMS)\"
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$(DOXYGEN_CMD)
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# Phony build targets for this module
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.PHONY: doxygen
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