mirror of https://github.com/ArduPilot/ardupilot
163 lines
5.3 KiB
Makefile
163 lines
5.3 KiB
Makefile
################################################################################
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# Sketch
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#
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SRCSUFFIXES = *.cpp *.c *.S
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# Sketch source files
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SKETCHPDESRCS := $(wildcard $(SRCROOT)/*.pde $(SRCROOT)/*.ino)
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SKETCHSRCS := $(wildcard $(addprefix $(SRCROOT)/,$(SRCSUFFIXES)))
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SKETCHPDE := $(wildcard $(SRCROOT)/$(SKETCH).pde $(SRCROOT)/$(SKETCH).ino)
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SKETCHCPP := $(BUILDROOT)/$(SKETCH).cpp
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ifneq ($(words $(SKETCHPDE)),1)
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$(error ERROR: sketch $(SKETCH) must contain exactly one of $(SKETCH).pde or $(SKETCH).ino)
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endif
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# Sketch object files
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SKETCHOBJS := $(subst $(SRCROOT),$(BUILDROOT),$(SKETCHSRCS)) $(SKETCHCPP)
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SKETCHOBJS := $(addsuffix .o,$(basename $(SKETCHOBJS)))
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# List of input files to the sketch.cpp file in the order they should
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# be appended to create it
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SKETCHCPP_SRC := $(SKETCHPDE) $(sort $(filter-out $(SKETCHPDE),$(SKETCHPDESRCS)))
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################################################################################
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# Libraries
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#
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# Pick libraries to add to the include path and to link with based on
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# #include directives in the sketchfiles.
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#
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# For example:
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#
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# #include <Foo.h>
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#
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# implies that there might be a Foo library.
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#
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# Note that the # and $ require special treatment to avoid upsetting
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# make.
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#
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SEXPR = 's/^[[:space:]]*\#include[[:space:]][<\"]([^>\"./]+).*$$/\1/p'
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ifeq ($(SYSTYPE),Darwin)
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LIBTOKENS := $(sort $(shell cat $(SKETCHPDESRCS) $(SKETCHSRCS) | sed -nEe $(SEXPR)))
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else
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LIBTOKENS := $(sort $(shell cat $(SKETCHPDESRCS) $(SKETCHSRCS) | sed -nre $(SEXPR)))
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endif
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#
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# Find sketchbook libraries referenced by the sketch.
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#
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# Include paths for sketch libraries
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#
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SKETCHLIBS := $(wildcard $(addprefix $(SKETCHBOOK)/libraries/,$(LIBTOKENS)))
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SKETCHLIBNAMES := $(notdir $(SKETCHLIBS))
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SKETCHLIBSRCDIRS := $(SKETCHLIBS) $(addsuffix /utility,$(SKETCHLIBS))
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SKETCHLIBSRCS := $(wildcard $(foreach suffix,$(SRCSUFFIXES),$(addsuffix /$(suffix),$(SKETCHLIBSRCDIRS))))
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SKETCHLIBOBJS := $(addsuffix .o,$(basename $(subst $(SKETCHBOOK),$(BUILDROOT),$(SKETCHLIBSRCS))))
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SKETCHLIBINCLUDES := $(addprefix -I,$(SRCROOT))
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SKETCHLIBINCLUDES += $(addprefix -I,$(SKETCHLIBS))
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SKETCHLIBSRCSRELATIVE := $(subst $(SKETCHBOOK)/,,$(SKETCHLIBSRCS))
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ifeq ($(VERBOSE),)
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v = @
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else
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v =
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endif
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.PHONY: $(BUILDROOT)/make.flags
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$(BUILDROOT)/make.flags:
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@mkdir -p $(BUILDROOT)
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@echo "// BUILDROOT=$(BUILDROOT) HAL_BOARD=$(HAL_BOARD) HAL_BOARD_SUBTYPE=$(HAL_BOARD_SUBTYPE) TOOLCHAIN=$(TOOLCHAIN) EXTRAFLAGS=$(EXTRAFLAGS)" > $(BUILDROOT)/make.flags
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@cat $(BUILDROOT)/make.flags
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#
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# Build the sketch.cpp file
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$(SKETCHCPP): $(BUILDROOT)/make.flags $(SKETCHCPP_SRC)
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@echo "building $(SKETCHCPP)"
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$(RULEHDR)
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$(v)cat $(BUILDROOT)/make.flags > $@.new
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$(v)$(AWK) -v mode=header '$(SKETCH_SPLITTER)' $(SKETCHCPP_SRC) >> $@.new
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$(v)echo "#line 1 \"autogenerated\"" >> $@.new
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$(v)$(AWK) '$(SKETCH_PROTOTYPER)' $(SKETCHCPP_SRC) >> $@.new
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$(v)$(AWK) -v mode=body '$(SKETCH_SPLITTER)' $(SKETCHCPP_SRC) >> $@.new
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$(v)cmp $@ $@.new > /dev/null 2>&1 || mv $@.new $@
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$(v)rm -f $@.new
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# delete the sketch.cpp file if a processing error occurs
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.DELETE_ON_ERROR: $(SKETCHCPP)
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#
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# The sketch splitter is an awk script used to split off the
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# header and body of the concatenated .pde/.ino files. It also
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# inserts #line directives to help in backtracking from compiler
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# and debugger messages to the original source file.
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#
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# Note that # and $ require special treatment here to avoid upsetting
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# make.
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#
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# This script requires BWK or GNU awk.
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#
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define SKETCH_SPLITTER
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BEGIN { \
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scanning = 1; \
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printing = (mode ~ "header") ? 1 : 0; \
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} \
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{ toggles = 1 } \
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(FNR == 1) && printing { \
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printf "#line %d \"%s\"\n", FNR, FILENAME; \
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} \
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/^[[:space:]]*\/\*/,/\*\// { \
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toggles = 0; \
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} \
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/^[[:space:]]*$$/ || /^[[:space:]]*\/\/.*/ || /^\#.*$$/ { \
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toggles = 0; \
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} \
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scanning && toggles { \
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scanning = 0; \
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printing = !printing; \
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if (printing) { \
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printf "#line %d \"%s\"\n", FNR, FILENAME; \
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} \
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} \
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printing
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endef
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#
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# The prototype scanner is an awk script used to generate function
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# prototypes from the concantenated .pde/.ino files.
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#
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# Function definitions are expected to follow the form
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#
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# <newline><type>[<qualifier>...]<name>([<arguments>]){
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#
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# with whitespace permitted between the various elements. The pattern
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# is assembled from separate subpatterns to make adjustments easier.
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#
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# Note that $ requires special treatment here to avoid upsetting make,
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# and backslashes are doubled in the partial patterns to satisfy
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# escaping rules.
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#
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# This script requires BWK or GNU awk.
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#
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define SKETCH_PROTOTYPER
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BEGIN { \
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RS="{"; \
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type = "((\\n)|(^))[[:space:]]*[[:alnum:]_]+[[:space:]]+"; \
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qualifiers = "([[:alnum:]_\\*&]+[[:space:]]*)*"; \
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name = "[[:alnum:]_]+[[:space:]]*"; \
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args = "\\([[:space:][:alnum:]_,&\\*\\[\\]]*\\)"; \
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bodycuddle = "[[:space:]]*$$"; \
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pattern = type qualifiers name args bodycuddle; \
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} \
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match($$0, pattern) { \
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proto = substr($$0, RSTART, RLENGTH); \
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gsub("\n", " ", proto); \
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printf "%s;\n", proto; \
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}
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endef
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# common header for rules, prints what is being built
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define RULEHDR
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@echo %% $(subst $(BUILDROOT)/,,$@)
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@mkdir -p $(dir $@)
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endef
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