1 files changed, 147 insertions, 0 deletions
diff --git a/lib/lufa/LUFA/Build/DMBS/DMBS/core.mk b/lib/lufa/LUFA/Build/DMBS/DMBS/core.mk
new file mode 100644
index 0000000000..1edbd178c1
--- /dev/null
+++ b/lib/lufa/LUFA/Build/DMBS/DMBS/core.mk
@@ -0,0 +1,147 @@
+#
+#            DMBS Build System
+#     Released into the public domain.
+#
+#  dean [at] fourwalledcubicle [dot] com
+#        www.fourwalledcubicle.com
+#
+
+DMBS_BUILD_MODULES         += CORE
+DMBS_BUILD_TARGETS         += help list_targets list_modules list_mandatory list_optional list_provided list_macros
+DMBS_BUILD_MANDATORY_VARS  +=
+DMBS_BUILD_OPTIONAL_VARS   +=
+DMBS_BUILD_PROVIDED_VARS   += DMBS_VERSION
+DMBS_BUILD_PROVIDED_MACROS += DMBS_CHECK_VERSION ERROR_IF_UNSET ERROR_IF_EMPTY ERROR_IF_NONBOOL
+
+SHELL = /bin/sh
+
+# Current DMBS release version
+DMBS_VERSION       := 20170426
+
+# Macro to check the DMBS version, aborts if the given DMBS version is below the current version
+DMBS_CHECK_VERSION ?= $(if $(filter-out 0, $(shell test $(DMBS_VERSION) -lt $(1); echo $$?)), , $(error DMBS version $(1) or newer required, current version is $(DMBS_VERSION)))
+
+# Macros to use in other modules to check various conditions
+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))
+
+# Converts a given input to a printable output using "(None)" if no items are in the list
+CONVERT_TO_PRINTABLE           = $(if $(strip $(1)), $(1), (None))
+
+# Build sorted and filtered lists of the included build module data
+SORTED_DMBS_BUILD_MODULES      = $(sort $(DMBS_BUILD_MODULES))
+SORTED_DMBS_BUILD_TARGETS      = $(sort $(DMBS_BUILD_TARGETS))
+SORTED_DMBS_MANDATORY_VARS     = $(sort $(DMBS_BUILD_MANDATORY_VARS))
+SORTED_DMBS_OPTIONAL_VARS      = $(filter-out $(SORTED_DMBS_MANDATORY_VARS), $(sort $(DMBS_BUILD_OPTIONAL_VARS)))
+SORTED_DMBS_PROVIDED_VARS      = $(sort $(DMBS_BUILD_PROVIDED_VARS))
+SORTED_DMBS_PROVIDED_MACROS    = $(sort $(DMBS_BUILD_PROVIDED_MACROS))
+
+# Create printable versions of the sorted build module data (use "(None)" when no data is available)
+PRINTABLE_DMBS_BUILD_MODULES   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_BUILD_MODULES))
+PRINTABLE_DMBS_BUILD_TARGETS   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_BUILD_TARGETS))
+PRINTABLE_DMBS_MANDATORY_VARS  = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_MANDATORY_VARS))
+PRINTABLE_DMBS_OPTIONAL_VARS   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_OPTIONAL_VARS))
+PRINTABLE_DMBS_PROVIDED_VARS   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_PROVIDED_VARS))
+PRINTABLE_DMBS_PROVIDED_MACROS = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_PROVIDED_MACROS))
+
+help:
+	@echo "==================================================================="
+	@echo "                       The DMBS Build System                       "
+	@echo "         By Dean Camera { dean @ fourwalledcubicle . com }         "
+	@echo "==================================================================="
+	@echo "DESCRIPTION:                                                       "
+	@echo " This build system is a set of makefile modules for (GNU) Make, to "
+	@echo " provide a simple system for building DMBS powered applications.   "
+	@echo " Each makefile module can be included from within a user makefile, "
+	@echo " to expose the build rules documented in the comments at the top of"
+	@echo " each build module.                                                "
+	@echo "                                                                   "
+	@echo "USAGE:                                                             "
+	@echo " To execute a rule, define all variables indicated in the desired  "
+	@echo " module as a required parameter before including the build module  "
+	@echo " in your project makefile. Parameters marked as optional will      "
+	@echo " assume a default value in the modules if not user-assigned.       "
+	@echo "                                                                   "
+	@echo " By default the target output shows both a friendly summary, as    "
+	@echo " well as the actual invoked command. To suppress the output of the "
+	@echo " invoked commands and show only the friendly command output, run   "
+	@echo " make with the \"-s\" switch added before the target(s).           "
+	@echo "==================================================================="
+	@echo "                                                                   "
+	@echo "  Currently used build system modules in this application:         "
+	@echo "                                                                   "
+	@printf " %b" "$(PRINTABLE_DMBS_BUILD_MODULES:%=   - %\n)"
+	@echo "                                                                   "
+	@echo "                                                                   "
+	@echo "  Currently available build targets in this application:           "
+	@echo "                                                                   "
+	@printf " %b" "$(PRINTABLE_DMBS_BUILD_TARGETS:%=   - %\n)"
+	@echo "                                                                   "
+	@echo "                                                                   "
+	@echo "  Mandatory variables required by the selected build Modules:      "
+	@echo "                                                                   "
+	@printf " %b" "$(PRINTABLE_DMBS_MANDATORY_VARS:%=   - %\n)"
+	@echo "                                                                   "
+	@echo "                                                                   "
+	@echo "  Optional variables required by the selected build Modules:       "
+	@echo "                                                                   "
+	@printf " %b" "$(PRINTABLE_DMBS_OPTIONAL_VARS:%=   - %\n)"
+	@echo "                                                                   "
+	@echo "                                                                   "
+	@echo "  Variables provided by the selected build Modules:                "
+	@echo "                                                                   "
+	@printf " %b" "$(PRINTABLE_DMBS_PROVIDED_VARS:%=   - %\n)"
+	@echo "                                                                   "
+	@echo "                                                                   "
+	@echo "  Macros provided by the selected build Modules:                   "
+	@echo "                                                                   "
+	@printf " %b" "$(PRINTABLE_DMBS_PROVIDED_MACROS:%=   - %\n)"
+	@echo "                                                                   "
+	@echo "==================================================================="
+	@echo "          The DMBS Build System $(DMBS_VERSION) - Making MAKE easier."
+	@echo "==================================================================="
+
+# Lists build modules included by the project makefile, in alphabetical order
+list_modules:
+	@echo Currently Used Build System Modules:
+	@printf " %b" "$(PRINTABLE_DMBS_BUILD_MODULES:%=   - %\n)"
+
+# Lists build targets included by the project makefile, in alphabetical order
+list_targets:
+	@echo Currently Available Build Targets:
+	@printf " %b" "$(PRINTABLE_DMBS_BUILD_TARGETS:%=   - %\n)"
+
+# Lists mandatory variables that must be set by the project makefile, in alphabetical order
+list_mandatory:
+	@echo Mandatory Variables for Included Modules:
+	@printf " %b" "$(PRINTABLE_DMBS_MANDATORY_VARS:%=   - %\n)"
+
+# Lists optional variables that must be set by the project makefile, in alphabetical order
+list_optional:
+	@echo Optional Variables for Included Modules:
+	@printf " %b" "$(PRINTABLE_DMBS_OPTIONAL_VARS:%=   - %\n)"
+
+# Lists variables provided by the included build modules, in alphabetical order
+list_provided:
+	@echo Variables Provided by the Included Modules:
+	@printf " %b" "$(PRINTABLE_DMBS_PROVIDED_VARS:%=   - %\n)"
+
+# Lists macros provided by the included build modules, in alphabetical order
+list_macros:
+	@echo Macros Provided by the Included Modules:
+	@printf " %b" "$(PRINTABLE_DMBS_PROVIDED_MACROS:%=   - %\n)"
+
+# Debugging; "make print-VARNAME" will output the variable VARNAME's value
+print-%:
+	@printf "%s = %s" $(@:print-%=%) $($(@:print-%=%))
+
+# Disable default in-built make rules (those that are needed are explicitly
+# defined, and doing so has performance benefits when recursively building)
+ifeq ($(filter -r,$(MAKEFLAGS)),)
+  MAKEFLAGS += -r
+endif
+.SUFFIXES:
+
+# Phony build targets for this module
+.PHONY: $(DMBS_BUILD_TARGETS)