# __________ __ ___. # Open \______ \ ____ ____ | | _\_ |__ _______ ___ # Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / # Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < # Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ # \/ \/ \/ \/ \/ # $Id$ # # preprocess - run preprocessor on a file and return the result as a string # # The weird grep -v thing in here is due to Apple's stupidities and is needed # to make this do right when used on Mac OS X. # # The sed line is to prepend the directory to all source files preprocess = $(shell $(CC) $(PPCFLAGS) $(2) -E -P -x c -include config.h $(1) | \ grep -v '^\#' | grep -v "^ *$$" | \ sed -e 's:^..*:$(dir $(1))&:') preprocess2file = $(SILENT)$(CC) $(PPCFLAGS) $(3) -E -P -x c -include config.h $(1) | \ grep -v '^\#' | grep -v "^$$" > $(2) asmdefs2file = $(SILENT)$(CC) $(PPCFLAGS) $(3) -S -x c -o - -include config.h $(1) | \ perl -ne 'if(/^_?AD_(\w+):$$/){$$var=$$1}else{/^\W\.(?:word|long)\W(.*)$$/ && $$var && print "\#define $$var $$1\n";$$var=0}' > $(2) c2obj = $(addsuffix .o,$(basename $(call full_path_subst,$(ROOTDIR)/%,$(BUILDDIR)/%,$(1)))) a2lnk = $(patsubst lib%.a,-l%,$(notdir $(1))) # objcopy wrapper that keeps debug symbols in DEBUG builds # handles the $(1) == $(2) case too ifndef APP_TYPE objcopy = $(OC) $(if $(filter yes, $(USE_ELF)), -S -x, -O binary) $(1) $(2) # objcopy native else ifneq (,$(findstring sdl-sim,$(APP_TYPE))) objcopy = cp $(1) $(1).tmp;mv -f $(1).tmp $(2) # objcopy simulator else ifdef DEBUG objcopy = cp $(1) $(1).tmp;mv -f $(1).tmp $(2) # objcopy hosted (DEBUG) else objcopy = $(OC) -S -x $(1) $(2) # objcopy hosted (!DEBUG) endif endif # calculate dependencies for a list of source files $(2) and output them to $(1) mkdepfile = $(SILENT)perl $(TOOLSDIR)/multigcc.pl $(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h -- $(2) | \ sed -e "s: lang.h: lang/lang.h:" \ -e 's:_asmdefs.o:_asmdefs.h:' \ -e "s: max_language_size.h: lang/max_language_size.h:" | \ $(TOOLSDIR)/addtargetdir.pl $(ROOTDIR) $(BUILDDIR) \ >> $(1) # function to create .bmp dependencies bmpdepfile = $(SILENT) \ for each in $(2); do \ obj=`echo $$each | sed -e 's/\.bmp/.o/' -e 's:$(ROOTDIR):$(BUILDDIR):'`; \ src=`echo $$each | sed -e 's/\.bmp/.c/' -e 's:$(ROOTDIR):$(BUILDDIR):'`; \ hdr=`echo $$each | sed -e 's/.*\/\(.*\)\..*\.bmp/bitmaps\/\1\.h/'`; \ echo $$obj: $$src; \ echo $$src: $$each; \ echo $(BUILDDIR)/$$hdr: $$src; \ done \ >> $(1) ifndef V SILENT:=@ else VERBOSEOPT:=-v endif PRINTS=$(SILENT)$(call info,$(1)) # old 'make' versions don't have the built-in 'info' function info=old$(shell echo >&2 "Consider upgrading to GNU make 3.81+ for optimum build performance.") ifeq ($(call info),old) export info=echo "$$(1)"; endif # path substituion can be surprisingly tricky, indeed the following almost # always work but not quite: # BMPOBJ = $(BMP:$(ROOTDIR)/%.bmp=$(BUILDDIR)/%.o) # indeed if # ROOTDIR=/rockbox # BUILDDIR=/rockbox/build-bla # then: # /rockbox/apps/bitmaps/rockboxlogo-bla.bmp -> /rockbox/apps/bitmaps/rockbox/build-blalogo.o # this function ensure that this type of problems does not occur # # usage: $(call full_path_subst,patterm,replacement,text) # # example: $(call full_path_subst,$(ROOTDIR)/%.bmp,$(BUILDDIR)/%.o,$(BMP)) NO_MATCH=this_string_will_never_match_anything full_path_subst=$(patsubst $(NO_MATCH)/%,%, $(patsubst $(NO_MATCH)/$(1), $(2), $(addprefix $(NO_MATCH)/, $(3))))