27c509fc55
- some functions don't need to return their output, drop $(shell ... ) and prefix with $(SILENT), make V=1 will show the complete scripts being run - tweak make.dep generation: make the temporary file appear in root.make only, and remove a useless "real command", there is already a real command (mv) - make addtargetdir.pl terminate its output with a newline ($(shell) did that for us) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27855 a1c6a512-1295-4272-9138-f99709370657
63 lines
2.4 KiB
Makefile
63 lines
2.4 KiB
Makefile
# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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# $Id$
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#
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# preprocess - run preprocessor on a file and return the result as a string
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#
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# This uses the native 'gcc' compiler and not $(CC) since we use the -imacros
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# option and older gcc compiler doesn't have that. We use one such older
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# compiler for the win32 cross-compiles on Linux.
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#
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# The weird grep -v thing in here is due to Apple's stupidities and is needed
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# to make this do right when used on Mac OS X.
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#
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# The sed line is to prepend the directory to all source files
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preprocess = $(shell $(CC) $(PPCFLAGS) $(2) -E -P -x c -include config.h $(1) | \
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grep -v '^\#' | \
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sed -e 's:^..*:$(dir $(1))&:')
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preprocess2file = $(SILENT)$(CC) $(PPCFLAGS) $(3) -E -P -x c -include config.h $(1) | \
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grep -v '^\#' | grep -v "^$$" > $(2)
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asmdefs2file = $(SILENT)$(CC) $(PPCFLAGS) $(3) -S -x c -o - -include config.h $(1) | \
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perl -ne 'if(/^_?AD_(\w+):$$/){$$var=$$1}else{/^\W\.(?:word|long)\W(.*)$$/ && $$var && print "\#define $$var $$1\n";$$var=0}' > $(2)
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c2obj = $(addsuffix .o,$(basename $(subst $(ROOTDIR),$(BUILDDIR),$(1))))
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# calculate dependencies for a list of source files $(2) and output them to $(1)
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mkdepfile = $(SILENT)perl $(TOOLSDIR)/multigcc.pl $(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h -- $(2) | \
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sed -e "s: lang.h: lang/lang.h:" \
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-e 's:_asmdefs.o:_asmdefs.h:' \
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-e "s: max_language_size.h: lang/max_language_size.h:" | \
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$(TOOLSDIR)/addtargetdir.pl $(ROOTDIR) $(BUILDDIR) \
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>> $(1)
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# function to create .bmp dependencies
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bmpdepfile = $(SILENT) \
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for each in $(2); do \
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obj=`echo $$each | sed -e 's/\.bmp/.o/' -e 's:$(ROOTDIR):$(BUILDDIR):'`; \
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src=`echo $$each | sed -e 's/\.bmp/.c/' -e 's:$(ROOTDIR):$(BUILDDIR):'`; \
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echo $$obj: $$src; \
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echo $$src: $$each; \
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done \
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>> $(1)
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ifndef V
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SILENT:=@
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else
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VERBOSEOPT:=-v
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endif
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PRINTS=$(SILENT)$(call info,$(1))
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# old 'make' versions don't have the built-in 'info' function
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info=old$(shell echo >&2 "Consider upgrading to GNU make 3.81+ for optimum build performance.")
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ifeq ($(call info),old)
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export info=echo "$$(1)";
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endif
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