#
#             LUFA Library
#     Copyright (C) Dean Camera, 2012.
#
#  dean [at] fourwalledcubicle [dot] com
#           www.lufa-lib.org
#

LUFA_BUILD_MODULES += DOXYGEN
LUFA_BUILD_TARGETS += doxygen

# -----------------------------------------------------------------------------
#                 LUFA Doxygen Buildsystem Makefile Module.
# -----------------------------------------------------------------------------
# DESCRIPTION:
#   Provides a set of targets to automatically build Doxygen documentation for
#   a project (see www.doxygen.org).
# -----------------------------------------------------------------------------
# TARGETS:
#
#    doxygen                   - Build Doxygen Documentation
#
# MANDATORY PARAMETERS:
#
#    (None)
#
# OPTIONAL PARAMETERS:
#
#    DOXYGEN_CONF              - Doxygen configuration filename
#    DOXYGEN_FAIL_ON_WARNING   - Set to Y to fail the build on Doxygen warnings,
#                                N to continue even if warnings occur
#    DOXYGEN_OVERRIDE_PARAMS   - Parameters to override in the doxygen
#                                configuration file
# -----------------------------------------------------------------------------

# Output Messages
MSG_DOXYGEN_CMD   = '  [DOXYGEN] :'

# Default values of user-supplied variables
DOXYGEN_CONF            ?= Doxygen.conf
DOXYGEN_FAIL_ON_WARNING ?= Y
DOXYGEN_OVERRIDE_PARAMS ?= QUIET=YES

# Determine Doxygen invocation command
DOXYGEN_CMD = ( cat Doxygen.conf ; $(DOXYGEN_OVERRIDE_PARAMS:%=echo "%";)) | doxygen -
ifeq ($(DOXYGEN_FAIL_ON_WARNING), Y)
    DOXYGEN_CMD = if ( ( cat Doxygen.conf $(DOXYGEN_OVERRIDE_PARAMS:%=; echo "%") ) | doxygen - 2>&1 | grep -v "warning: ignoring unsupported tag" ;); then exit 1; fi;
endif

doxygen:
	@echo $(MSG_DOXYGEN_CMD) Configuration file \"$(DOXYGEN_CONF)\" with parameters \"$(DOXYGEN_OVERRIDE_PARAMS)\"
	$(DOXYGEN_CMD)