# www.lufa-lib.org
#
-LUFA_BUILD_MODULES += DOXYGEN
-LUFA_BUILD_TARGETS += doxygen
-LUFA_BUILD_MANDATORY_VARS += LUFA_PATH
-LUFA_BUILD_OPTIONAL_VARS += DOXYGEN_CONF DOXYGEN_FAIL_ON_WARNING DOXYGEN_OVERRIDE_PARAMS
+LUFA_BUILD_MODULES += DOXYGEN
+LUFA_BUILD_TARGETS += doxygen
+LUFA_BUILD_MANDATORY_VARS += LUFA_PATH
+LUFA_BUILD_OPTIONAL_VARS += DOXYGEN_CONF DOXYGEN_FAIL_ON_WARNING DOXYGEN_OVERRIDE_PARAMS
+LUFA_BUILD_PROVIDED_VARS +=
+LUFA_BUILD_PROVIDED_MACROS +=
# -----------------------------------------------------------------------------
# LUFA Doxygen Buildsystem Makefile Module.
# N to continue even if warnings occur
# DOXYGEN_OVERRIDE_PARAMS - Parameters to override in the doxygen
# configuration file
+# PROVIDED VARIABLES:
+#
+# (None)
+#
+# PROVIDED MACROS:
+#
+# (None)
+#
# -----------------------------------------------------------------------------
-ERROR_IF_UNSET = $(if $(filter undefined, $(origin $(strip $(1)))), $(error Makefile $(strip $(1)) value not set))
-ERROR_IF_EMPTY = $(if $(strip $($(strip $(1)))), , $(error Makefile $(strip $(1)) option cannot be blank))
-ERROR_IF_NONBOOL = $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N))
+SHELL = /bin/sh
+
+ERROR_IF_UNSET ?= $(if $(filter undefined, $(origin $(strip $(1)))), $(error Makefile $(strip $(1)) value not set))
+ERROR_IF_EMPTY ?= $(if $(strip $($(strip $(1)))), , $(error Makefile $(strip $(1)) option cannot be blank))
+ERROR_IF_NONBOOL ?= $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N))
# Default values of optionally user-supplied variables
DOXYGEN_CONF ?= Doxygen.conf
MSG_DOXYGEN_CMD := ' [DOXYGEN] :'
# Determine Doxygen invocation command
-BASE_DOXYGEN_CMD = ( cat $(DOXYGEN_CONF) $(DOXYGEN_OVERRIDE_PARAMS:%=; echo "%") ) | doxygen -
+BASE_DOXYGEN_CMD := ( cat $(DOXYGEN_CONF) $(DOXYGEN_OVERRIDE_PARAMS:%=; echo "%") ) | doxygen -
ifeq ($(DOXYGEN_FAIL_ON_WARNING), Y)
- DOXYGEN_CMD = if ( $(BASE_DOXYGEN_CMD) 2>&1 | grep -v "warning: ignoring unsupported tag" ;); then exit 1; fi;
+ DOXYGEN_CMD := if ( $(BASE_DOXYGEN_CMD) 2>&1 | grep -v "warning: ignoring unsupported tag" ;); then exit 1; fi;
else
- DOXYGEN_CMD = $(BASE_DOXYGEN_CMD)
+ DOXYGEN_CMD := $(BASE_DOXYGEN_CMD)
endif
doxygen: