484 lines
15 KiB
Makefile
484 lines
15 KiB
Makefile
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# List of available make goals:
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#
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# all Default target, builds the project
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# clean Clean up the project
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# rebuild Rebuild the project
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#
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# doc Build the documentation
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# cleandoc Clean up the documentation
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# rebuilddoc Rebuild the documentation
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#
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#
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# Copyright (c) 2009 - 2013 Atmel Corporation. All rights reserved.
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#
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# \asf_license_start
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#
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# \page License
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. The name of Atmel may not be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# 4. This software may only be redistributed and used in connection with an
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# Atmel microcontroller product.
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#
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# THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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# EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# \asf_license_stop
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#
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# Include the config.mk file from the current working path, e.g., where the
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# user called make.
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include config.mk
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# Tool to use to generate documentation from the source code
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DOCGEN ?= doxygen
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# Look for source files relative to the top-level source directory
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VPATH := $(PRJ_PATH)
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# Output target file
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target := $(TARGET)
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# Output project name (target name minus suffix)
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project := $(basename $(target))
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# Output target file (typically ELF or static library)
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ifeq ($(suffix $(target)),.a)
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target_type := lib
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else
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ifeq ($(suffix $(target)),.elf)
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target_type := elf
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else
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$(error "Target type $(target_type) is not supported")
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endif
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endif
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# Allow override of operating system detection. The user can add OS=Linux or
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# OS=Windows on the command line to explicit set the host OS.
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#
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# This allows to work around broken uname utility on certain systems.
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ifdef OS
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ifeq ($(strip $(OS)), Linux)
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os_type := Linux
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endif
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ifeq ($(strip $(OS)), Windows)
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os_type := windows32_64
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endif
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endif
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os_type ?= $(strip $(shell uname))
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ifeq ($(os_type),windows32)
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os := Windows
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else
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ifeq ($(os_type),windows64)
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os := Windows
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else
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ifeq ($(os_type),windows32_64)
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os ?= Windows
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else
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ifeq ($(os_type),)
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os := Windows
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else
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# Default to Linux style operating system. Both Cygwin and mingw are fully
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# compatible (for this Makefile) with Linux.
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os := Linux
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endif
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endif
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endif
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endif
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# Output documentation directory and configuration file.
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docdir := ../doxygen/html
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doccfg := ../doxygen/doxyfile.doxygen
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CROSS ?= avr-
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AR := $(CROSS)ar
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AS := $(CROSS)as
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CC := $(CROSS)gcc
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CPP := $(CROSS)gcc -E
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CXX := $(CROSS)g++
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LD := $(CROSS)gcc
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NM := $(CROSS)nm
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OBJCOPY := $(CROSS)objcopy
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OBJDUMP := $(CROSS)objdump
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SIZE := $(CROSS)size
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RM := rm
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ifeq ($(os),Windows)
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RMDIR := rmdir /S /Q
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else
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RMDIR := rmdir -p --ignore-fail-on-non-empty
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endif
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# On Windows, we need to override the shell to force the use of cmd.exe
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ifeq ($(os),Windows)
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SHELL := cmd
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endif
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# Strings for beautifying output
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MSG_CLEAN_FILES = "RM *.o *.d"
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MSG_CLEAN_DIRS = "RMDIR $(strip $(clean-dirs))"
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MSG_CLEAN_DOC = "RMDIR $(docdir)"
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MSG_MKDIR = "MKDIR $(dir $@)"
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MSG_INFO = "INFO "
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MSG_PREBUILD = "PREBUILD $(PREBUILD_CMD)"
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MSG_POSTBUILD = "POSTBUILD $(POSTBUILD_CMD)"
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MSG_ARCHIVING = "AR $@"
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MSG_ASSEMBLING = "AS $@"
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MSG_BINARY_IMAGE = "OBJCOPY $@"
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MSG_COMPILING = "CC $@"
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MSG_COMPILING_CXX = "CXX $@"
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MSG_EEPROM_IMAGE = "OBJCOPY $@"
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MSG_EXTENDED_LISTING = "OBJDUMP $@"
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MSG_IHEX_IMAGE = "OBJCOPY $@"
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MSG_LINKING = "LN $@"
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MSG_PREPROCESSING = "CPP $@"
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MSG_SIZE = "SIZE $@"
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MSG_SYMBOL_TABLE = "NM $@"
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MSG_GENERATING_DOC = "DOXYGEN $(docdir)"
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# Don't use make's built-in rules and variables
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MAKEFLAGS += -rR
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# Don't print 'Entering directory ...'
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MAKEFLAGS += --no-print-directory
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# Function for reversing the order of a list
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reverse = $(if $(1),$(call reverse,$(wordlist 2,$(words $(1)),$(1)))) $(firstword $(1))
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# Hide command output by default, but allow the user to override this
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# by adding V=1 on the command line.
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#
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# This is inspired by the Kbuild system used by the Linux kernel.
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ifdef V
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ifeq ("$(origin V)", "command line")
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VERBOSE = $(V)
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endif
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endif
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ifndef VERBOSE
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VERBOSE = 0
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endif
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ifeq ($(VERBOSE), 1)
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Q =
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else
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Q = @
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endif
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arflags-gnu-y := $(ARFLAGS)
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asflags-gnu-y := $(ASFLAGS)
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cflags-gnu-y := $(CFLAGS)
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cxxflags-gnu-y := $(CXXFLAGS)
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cppflags-gnu-y := $(CPPFLAGS)
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cpuflags-gnu-y :=
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dbgflags-gnu-y := $(DBGFLAGS)
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libflags-gnu-y := $(foreach LIB,$(LIBS),-l$(LIB))
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ldflags-gnu-y := $(LDFLAGS)
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flashflags-gnu-y := $(FLASHFLAGS)
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eepromflags-gnu-y := $(EEPROMFLAGS)
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clean-files :=
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clean-dirs :=
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clean-files += $(wildcard $(target) $(project).map)
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clean-files += $(wildcard $(project).hex $(project).eep)
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clean-files += $(wildcard $(project).lss $(project).sym)
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clean-files += $(wildcard $(build))
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# Use pipes instead of temporary files for communication between processes
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cflags-gnu-y += -pipe
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asflags-gnu-y += -pipe
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ldflags-gnu-y += -pipe
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# Archiver flags.
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arflags-gnu-y += rcs
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# Always enable warnings. And be very careful about implicit
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# declarations.
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cflags-gnu-y += -Wall -Wstrict-prototypes -Wmissing-prototypes
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cflags-gnu-y += -Werror-implicit-function-declaration
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cxxflags-gnu-y += -Wall
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# IAR doesn't allow arithmetic on void pointers, so warn about that.
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cflags-gnu-y += -Wpointer-arith
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cxxflags-gnu-y += -Wpointer-arith
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# Preprocessor flags.
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cppflags-gnu-y += $(foreach INC,$(addprefix $(PRJ_PATH)/,$(INC_PATH)),-I$(INC))
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asflags-gnu-y += $(foreach INC,$(addprefix $(PRJ_PATH)/,$(INC_PATH)),'-Wa,-I$(INC)')
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# CPU specific flags.
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cpuflags-gnu-y += -mmcu=$(MCU)
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# Dependency file flags.
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depflags = -MD -MP -MQ $@
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# Debug specific flags.
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ifdef BUILD_DEBUG_LEVEL
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dbgflags-gnu-y += -g$(BUILD_DEBUG_LEVEL)
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else
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dbgflags-gnu-y += -gdwarf-2
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endif
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# Optimization specific flags.
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ifdef BUILD_OPTIMIZATION
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optflags-gnu-y = -O$(BUILD_OPTIMIZATION)
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else
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optflags-gnu-y = $(OPTIMIZATION)
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endif
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# Relax compilation and linking.
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cflags-gnu-y += -mrelax
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cxxflags-gnu-y += -mrelax
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asflags-gnu-y += -mrelax
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ldflags-gnu-y += -Wl,--relax
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# Always preprocess assembler files.
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asflags-gnu-y += -x assembler-with-cpp
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# Compile C files using the GNU99 standard.
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cflags-gnu-y += -std=gnu99
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# Compile C++ files using the GNU++98 standard.
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cxxflags-gnu-y += -std=gnu++98
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# Use unsigned character type when compiling.
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cflags-gnu-y += -funsigned-char
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cxxflags-gnu-y += -funsigned-char
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# Don't use strict aliasing (very common in embedded applications).
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cflags-gnu-y += -fno-strict-aliasing
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cxxflags-gnu-y += -fno-strict-aliasing
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# Separate each function and data into its own separate section to allow
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# garbage collection of unused sections.
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cflags-gnu-y += -ffunction-sections -fdata-sections
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cxxflags-gnu-y += -ffunction-sections -fdata-sections
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# Garbage collect unreferred sections when linking.
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ldflags-gnu-y += -Wl,--gc-sections
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# Output a link map file and a cross reference table
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ldflags-gnu-y += -Wl,-Map=$(project).map,--cref
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# Add library search paths relative to the top level directory.
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ldflags-gnu-y += $(foreach _LIB_PATH,$(addprefix $(PRJ_PATH)/,$(LIB_PATH)),-L$(_LIB_PATH))
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a_flags = $(cpuflags-gnu-y) $(depflags) $(cppflags-gnu-y) $(asflags-gnu-y) -D__ASSEMBLY__
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c_flags = $(cpuflags-gnu-y) $(dbgflags-gnu-y) $(depflags) $(optflags-gnu-y) $(cppflags-gnu-y) $(cflags-gnu-y)
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cxx_flags= $(cpuflags-gnu-y) $(dbgflags-gnu-y) $(depflags) $(optflags-gnu-y) $(cppflags-gnu-y) $(cxxflags-gnu-y)
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l_flags = $(cpuflags-gnu-y) $(optflags-gnu-y) $(ldflags-gnu-y)
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ar_flags = $(arflags-gnu-y)
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# Intel Hex file production flags
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flashflags-gnu-y += -R .eeprom -R .usb_descriptor_table
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# Eeprom file production flags
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eepromflags-gnu-y += -j .eeprom
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eepromflags-gnu-y += --set-section-flags=.eeprom="alloc,load"
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eepromflags-gnu-y += --change-section-lma .eeprom=0
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# Source files list and part informations must already be included before
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# running this makefile
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# If a custom build directory is specified, use it -- force trailing / in directory name.
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ifdef BUILD_DIR
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build-dir := $(dir $(BUILD_DIR))$(if $(notdir $(BUILD_DIR)),$(notdir $(BUILD_DIR))/)
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else
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build-dir =
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endif
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# Create object files list from source files list.
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obj-y := $(addprefix $(build-dir), $(addsuffix .o,$(basename $(CSRCS) $(ASSRCS))))
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# Create dependency files list from source files list.
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dep-files := $(wildcard $(foreach f,$(obj-y),$(basename $(f)).d))
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clean-files += $(wildcard $(obj-y))
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clean-files += $(dep-files)
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clean-dirs += $(call reverse,$(sort $(wildcard $(dir $(obj-y)))))
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# Default target.
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.PHONY: all
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ifeq ($(target_type),lib)
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all: $(target) $(project).lss $(project).sym
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else
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ifeq ($(target_type),elf)
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all: prebuild $(target) $(project).lss $(project).sym $(project).hex $(project).bin postbuild
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endif
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endif
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prebuild:
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ifneq ($(strip $(PREBUILD_CMD)),)
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@echo $(MSG_PREBUILD)
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$(Q)$(PREBUILD_CMD)
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endif
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postbuild:
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ifneq ($(strip $(POSTBUILD_CMD)),)
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@echo $(MSG_POSTBUILD)
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$(Q)$(POSTBUILD_CMD)
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endif
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# Clean up the project.
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.PHONY: clean
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clean:
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@$(if $(strip $(clean-files)),echo $(MSG_CLEAN_FILES))
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$(if $(strip $(clean-files)),$(Q)$(RM) $(clean-files),)
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@$(if $(strip $(clean-dirs)),echo $(MSG_CLEAN_DIRS))
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# Remove created directories, and make sure we only remove existing
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# directories, since recursive rmdir might help us a bit on the way.
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ifeq ($(os),Windows)
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$(Q)$(if $(strip $(clean-dirs)), \
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$(RMDIR) $(strip $(subst /,\,$(clean-dirs))))
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else
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$(Q)$(if $(strip $(clean-dirs)), \
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for directory in $(strip $(clean-dirs)); do \
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if [ -d "$$directory" ]; then \
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$(RMDIR) $$directory; \
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fi \
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done \
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)
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endif
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# Rebuild the project.
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.PHONY: rebuild
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rebuild: clean all
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.PHONY: objfiles
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|
objfiles: $(obj-y)
|
||
|
|
|
||
|
|
# Create object files from C source files.
|
||
|
|
$(build-dir)%.o: %.c $(MAKEFILE_PATH) config.mk
|
||
|
|
$(Q)test -d $(dir $@) || echo $(MSG_MKDIR)
|
||
|
|
ifeq ($(os),Windows)
|
||
|
|
$(Q)test -d $(patsubst %/,%,$(dir $@)) || mkdir $(subst /,\,$(dir $@))
|
||
|
|
else
|
||
|
|
$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
|
||
|
|
endif
|
||
|
|
@echo $(MSG_COMPILING)
|
||
|
|
$(Q)$(CC) $(c_flags) -c $< -o $@
|
||
|
|
|
||
|
|
# Create object files from C++ source files.
|
||
|
|
$(build-dir)%.o: %.cpp $(MAKEFILE_PATH) config.mk
|
||
|
|
$(Q)test -d $(dir $@) || echo $(MSG_MKDIR)
|
||
|
|
ifeq ($(os),Windows)
|
||
|
|
$(Q)test -d $(patsubst %/,%,$(dir $@)) || mkdir $(subst /,\,$(dir $@))
|
||
|
|
else
|
||
|
|
$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
|
||
|
|
endif
|
||
|
|
@echo $(MSG_COMPILING_CXX)
|
||
|
|
$(Q)$(CXX) $(cxx_flags) -c $< -o $@
|
||
|
|
|
||
|
|
# Preprocess and assemble: create object files from assembler source files.
|
||
|
|
$(build-dir)%.o: %.s $(MAKEFILE_PATH) config.mk
|
||
|
|
$(Q)test -d $(dir $@) || echo $(MSG_MKDIR)
|
||
|
|
ifeq ($(os),Windows)
|
||
|
|
$(Q)test -d $(patsubst %/,%,$(dir $@)) || mkdir $(subst /,\,$(dir $@))
|
||
|
|
else
|
||
|
|
$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
|
||
|
|
endif
|
||
|
|
@echo $(MSG_ASSEMBLING)
|
||
|
|
$(Q)$(CC) $(a_flags) -c $< -o $@
|
||
|
|
|
||
|
|
# Preprocess and assemble: create object files from assembler source files.
|
||
|
|
$(build-dir)%.o: %.S $(MAKEFILE_PATH) config.mk
|
||
|
|
$(Q)test -d $(dir $@) || echo $(MSG_MKDIR)
|
||
|
|
ifeq ($(os),Windows)
|
||
|
|
$(Q)test -d $(patsubst %/,%,$(dir $@)) || mkdir $(subst /,\,$(dir $@))
|
||
|
|
else
|
||
|
|
$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
|
||
|
|
endif
|
||
|
|
@echo $(MSG_ASSEMBLING)
|
||
|
|
$(Q)$(CC) $(a_flags) -c $< -o $@
|
||
|
|
|
||
|
|
# Include all dependency files to add depedency to all header files in use.
|
||
|
|
include $(dep-files)
|
||
|
|
|
||
|
|
ifeq ($(target_type),lib)
|
||
|
|
# Archive object files into an archive
|
||
|
|
$(target): $(MAKEFILE_PATH) config.mk $(obj-y)
|
||
|
|
@echo $(MSG_ARCHIVING)
|
||
|
|
$(Q)$(AR) $(ar_flags) $@ $(obj-y)
|
||
|
|
@echo $(MSG_SIZE)
|
||
|
|
$(Q)$(SIZE) -Bxt $@
|
||
|
|
else
|
||
|
|
ifeq ($(target_type),elf)
|
||
|
|
# Link the object files into an ELF file. Also make sure the target is rebuilt
|
||
|
|
# if the common Makefile.avr.in or project config.mk is changed.
|
||
|
|
$(target): $(MAKEFILE_PATH) config.mk $(obj-y)
|
||
|
|
@echo $(MSG_LINKING)
|
||
|
|
$(Q)$(LD) $(l_flags) $(obj-y) $(libflags-gnu-y) -o $@
|
||
|
|
@echo $(MSG_SIZE)
|
||
|
|
$(Q)$(SIZE) -Ax $@
|
||
|
|
$(Q)$(SIZE) -Bx $@
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
# Create extended function listing from target output file.
|
||
|
|
%.lss: $(target)
|
||
|
|
@echo $(MSG_EXTENDED_LISTING)
|
||
|
|
$(Q)$(OBJDUMP) -h -S $< > $@
|
||
|
|
|
||
|
|
# Create symbol table from target output file.
|
||
|
|
%.sym: $(target)
|
||
|
|
@echo $(MSG_SYMBOL_TABLE)
|
||
|
|
$(Q)$(NM) -n $< > $@
|
||
|
|
|
||
|
|
# Create Intel HEX image from ELF output file.
|
||
|
|
%.hex: $(target)
|
||
|
|
@echo $(MSG_IHEX_IMAGE)
|
||
|
|
$(Q)$(OBJCOPY) -O ihex $(flashflags-gnu-y) $< $@
|
||
|
|
|
||
|
|
# Create EEPROM Intel HEX image from ELF output file.
|
||
|
|
%.eep: $(target)
|
||
|
|
@echo $(MSG_EEPROM_IMAGE)
|
||
|
|
$(Q)$(OBJCOPY) $(eepromflags-gnu-y) -O ihex $< $@ || exit 0
|
||
|
|
|
||
|
|
# Create binary image from ELF output file.
|
||
|
|
%.bin: $(target)
|
||
|
|
@echo $(MSG_BINARY_IMAGE)
|
||
|
|
$(Q)$(OBJCOPY) -O binary $< $@
|
||
|
|
|
||
|
|
# Provide information about the detected host operating system.
|
||
|
|
.SECONDARY: info-os
|
||
|
|
info-os:
|
||
|
|
@echo $(MSG_INFO)$(os) build host detected
|
||
|
|
|
||
|
|
# Build Doxygen generated documentation.
|
||
|
|
.PHONY: doc
|
||
|
|
doc:
|
||
|
|
@echo $(MSG_GENERATING_DOC)
|
||
|
|
$(Q)cd $(dir $(doccfg)) && $(DOCGEN) $(notdir $(doccfg))
|
||
|
|
|
||
|
|
# Clean Doxygen generated documentation.
|
||
|
|
.PHONY: cleandoc
|
||
|
|
cleandoc:
|
||
|
|
@$(if $(wildcard $(docdir)),echo $(MSG_CLEAN_DOC))
|
||
|
|
$(Q)$(if $(wildcard $(docdir)),$(RM) --recursive $(docdir))
|
||
|
|
|
||
|
|
# Rebuild the Doxygen generated documentation.
|
||
|
|
.PHONY: rebuilddoc
|
||
|
|
rebuilddoc: cleandoc doc
|