LUFA/Build/DMBS/DMBS/core.mk

   1 #
   2 #            DMBS Build System
   3 #     Released into the public domain.
   4 #
   5 #  dean [at] fourwalledcubicle [dot] com
   6 #        www.fourwalledcubicle.com
   7 #
   8
   9 DMBS_BUILD_MODULES         += CORE
  10 DMBS_BUILD_TARGETS         += help list_targets list_modules list_mandatory list_optional list_provided list_macros
  11 DMBS_BUILD_MANDATORY_VARS  +=
  12 DMBS_BUILD_OPTIONAL_VARS   +=
  13 DMBS_BUILD_PROVIDED_VARS   += DMBS_VERSION
  14 DMBS_BUILD_PROVIDED_MACROS +=
  15
  16 # -----------------------------------------------------------------------------
  17 #               DMBS Core Build System Makefile Module.
  18 # -----------------------------------------------------------------------------
  19 # DESCRIPTION:
  20 #   Provides a set of core build targets for the DMBS build system
  21 # -----------------------------------------------------------------------------
  22 # TARGETS:
  23 #
  24 #    help                      - Build system help
  25 #    list_targets              - List all build targets
  26 #    list_modules              - List all build modules
  27 #    list_mandatory            - List all mandatory make variables required by
  28 #                                the included build modules of the application
  29 #    list_optional             - List all optional make variables required by
  30 #                                the included build modules of the application
  31 #    list_provided             - List all provided make variables from the
  32 #                                included build modules of the application
  33 #    list_macros               - List all provided make macros from the
  34 #                                included build modules of the application
  35 #
  36 # MANDATORY PARAMETERS:
  37 #
  38 #    (None)
  39 #
  40 # OPTIONAL PARAMETERS:
  41 #
  42 #    (None)
  43 #
  44 # PROVIDED VARIABLES:
  45 #
  46 #    DMBS_VERSION
  47 #
  48 # PROVIDED MACROS:
  49 #
  50 #    (None)
  51 #
  52 # -----------------------------------------------------------------------------
  53
  54 SHELL = /bin/sh
  55
  56
  57 # Current DMBS release version
  58 DMBS_VERSION = 0.3
  59
  60
  61 # Converts a given input to a printable output using "(None)" if no items are in the list
  62 CONVERT_TO_PRINTABLE           = $(if $(strip $(1)), $(1), (None))
  63
  64
  65 # Build sorted and filtered lists of the included build module data
  66 SORTED_DMBS_BUILD_MODULES      = $(sort $(DMBS_BUILD_MODULES))
  67 SORTED_DMBS_BUILD_TARGETS      = $(sort $(DMBS_BUILD_TARGETS))
  68 SORTED_DMBS_MANDATORY_VARS     = $(sort $(DMBS_BUILD_MANDATORY_VARS))
  69 SORTED_DMBS_OPTIONAL_VARS      = $(filter-out $(SORTED_DMBS_MANDATORY_VARS), $(sort $(DMBS_BUILD_OPTIONAL_VARS)))
  70 SORTED_DMBS_PROVIDED_VARS      = $(sort $(DMBS_BUILD_PROVIDED_VARS))
  71 SORTED_DMBS_PROVIDED_MACROS    = $(sort $(DMBS_BUILD_PROVIDED_MACROS))
  72
  73 # Create printable versions of the sorted build module data (use "(None)" when no data is available)
  74 PRINTABLE_DMBS_BUILD_MODULES   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_BUILD_MODULES))
  75 PRINTABLE_DMBS_BUILD_TARGETS   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_BUILD_TARGETS))
  76 PRINTABLE_DMBS_MANDATORY_VARS  = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_MANDATORY_VARS))
  77 PRINTABLE_DMBS_OPTIONAL_VARS   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_OPTIONAL_VARS))
  78 PRINTABLE_DMBS_PROVIDED_VARS   = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_PROVIDED_VARS))
  79 PRINTABLE_DMBS_PROVIDED_MACROS = $(call CONVERT_TO_PRINTABLE, $(SORTED_DMBS_PROVIDED_MACROS))
  80
  81 help:
  82         @echo "==================================================================="
  83         @echo "                       The DMBS Build System                       "
  84         @echo "         By Dean Camera { dean @ fourwalledcubicle . com }         "
  85         @echo "==================================================================="
  86         @echo "DESCRIPTION:                                                       "
  87         @echo " This build system is a set of makefile modules for (GNU) Make, to "
  88         @echo " provide a simple system for building DMBS powered applications.   "
  89         @echo " Each makefile module can be included from within a user makefile, "
  90         @echo " to expose the build rules documented in the comments at the top of"
  91         @echo " each build module.                                                "
  92         @echo "                                                                   "
  93         @echo "USAGE:                                                             "
  94         @echo " To execute a rule, define all variables indicated in the desired  "
  95         @echo " module as a required parameter before including the build module  "
  96         @echo " in your project makefile. Parameters marked as optional will      "
  97         @echo " assume a default value in the modules if not user-assigned.       "
  98         @echo "                                                                   "
  99         @echo " By default the target output shows both a friendly summary, as    "
 100         @echo " well as the actual invoked command. To suppress the output of the "
 101         @echo " invoked commands and show only the friendly command output, run   "
 102         @echo " make with the \"-s\" switch added before the target(s).           "
 103         @echo "==================================================================="
 104         @echo "                                                                   "
 105         @echo "  Currently used build system modules in this application:         "
 106         @echo "                                                                   "
 107         @printf " %b" "$(PRINTABLE_DMBS_BUILD_MODULES:%=   - %\n)"
 108         @echo "                                                                   "
 109         @echo "                                                                   "
 110         @echo "  Currently available build targets in this application:           "
 111         @echo "                                                                   "
 112         @printf " %b" "$(PRINTABLE_DMBS_BUILD_TARGETS:%=   - %\n)"
 113         @echo "                                                                   "
 114         @echo "                                                                   "
 115         @echo "  Mandatory variables required by the selected build Modules:      "
 116         @echo "                                                                   "
 117         @printf " %b" "$(PRINTABLE_DMBS_MANDATORY_VARS:%=   - %\n)"
 118         @echo "                                                                   "
 119         @echo "                                                                   "
 120         @echo "  Optional variables required by the selected build Modules:       "
 121         @echo "                                                                   "
 122         @printf " %b" "$(PRINTABLE_DMBS_OPTIONAL_VARS:%=   - %\n)"
 123         @echo "                                                                   "
 124         @echo "                                                                   "
 125         @echo "  Variables provided by the selected build Modules:                "
 126         @echo "                                                                   "
 127         @printf " %b" "$(PRINTABLE_DMBS_PROVIDED_VARS:%=   - %\n)"
 128         @echo "                                                                   "
 129         @echo "                                                                   "
 130         @echo "  Macros provided by the selected build Modules:                   "
 131         @echo "                                                                   "
 132         @printf " %b" "$(PRINTABLE_DMBS_PROVIDED_MACROS:%=   - %\n)"
 133         @echo "                                                                   "
 134         @echo "==================================================================="
 135         @echo "          The DMBS Build System $(DMBS_VERSION) - Making MAKE easier."
 136         @echo "==================================================================="
 137
 138 # Lists build modules included by the project makefile, in alphabetical order
 139 list_modules:
 140         @echo Currently Used Build System Modules:
 141         @printf " %b" "$(PRINTABLE_DMBS_BUILD_MODULES:%=   - %\n)"
 142
 143 # Lists build targets included by the project makefile, in alphabetical order
 144 list_targets:
 145         @echo Currently Available Build Targets:
 146         @printf " %b" "$(PRINTABLE_DMBS_BUILD_TARGETS:%=   - %\n)"
 147
 148 # Lists mandatory variables that must be set by the project makefile, in alphabetical order
 149 list_mandatory:
 150         @echo Mandatory Variables for Included Modules:
 151         @printf " %b" "$(PRINTABLE_DMBS_MANDATORY_VARS:%=   - %\n)"
 152
 153 # Lists optional variables that must be set by the project makefile, in alphabetical order
 154 list_optional:
 155         @echo Optional Variables for Included Modules:
 156         @printf " %b" "$(PRINTABLE_DMBS_OPTIONAL_VARS:%=   - %\n)"
 157
 158 # Lists variables provided by the included build modules, in alphabetical order
 159 list_provided:
 160         @echo Variables Provided by the Included Modules:
 161         @printf " %b" "$(PRINTABLE_DMBS_PROVIDED_VARS:%=   - %\n)"
 162
 163 # Lists macros provided by the included build modules, in alphabetical order
 164 list_macros:
 165         @echo Macros Provided by the Included Modules:
 166         @printf " %b" "$(PRINTABLE_DMBS_PROVIDED_MACROS:%=   - %\n)"
 167
 168 # Debugging; "make print-VARNAME" will output the variable VARNAME's value
 169 print-%:
 170         @printf "%s = %s" $(@:print-%=%) $($(@:print-%=%))
 171
 172 # Disable default in-built make rules (those that are needed are explicitly
 173 # defined, and doing so has performance benefits when recursively building)
 174 ifeq ($(filter -r,$(MAKEFLAGS)),)
 175   MAKEFLAGS += -r
 176 endif
 177 .SUFFIXES:
 178
 179 # Phony build targets for this module
 180 .PHONY: $(DMBS_BUILD_TARGETS)