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81 lines
2.0 KiB
Makefile
81 lines
2.0 KiB
Makefile
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# common/Makefile.c-common - Common Makefile items for C
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#
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# Written 2013-2016 by Werner Almesberger
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# Copyright 2013-2016 by Werner Almesberger
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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SHELL = /bin/bash
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OBJ_SUFFIX ?= .o
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# Make sure "all" comes first
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all::
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# ----- YACC settings ---------------------------------------------------------
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YACC = bison -y
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YYFLAGS = -v
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# ----- Verbosity control -----------------------------------------------------
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CC_normal := $(CC)
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AS_normal := $(AS)
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CPP_normal := $(CPP)
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LEX_normal := $(LEX)
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YACC_normal := $(YACC)
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DEPEND_normal = $(CPP_normal) $(CFLAGS) -MM -MG
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ifeq ($(V),1)
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CC = $(CC_normal)
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AS = $(AS_normal)
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LEX = $(LEX_normal)
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YACC = $(YACC_normal)
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BUILD =
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DEPEND = $(DEPEND_normal)
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else
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CC = @echo " CC " $@ && $(CC_normal)
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AS = @echo " AS " $@ && $(AS_normal)
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LEX = @echo " LEX " $@ && $(LEX_normal)
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YACC = @echo " YACC " $@ && $(YACC_normal)
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BUILD = @echo " BUILD " $@ &&
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DEPEND = @$(DEPEND_normal)
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endif
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# ----- Dependencies ----------------------------------------------------------
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-include $(OBJS:$(OBJ_SUFFIX)=.d)
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MKDEP = \
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$(DEPEND) $< | \
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sed \
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-e 's|^$(basename $(notdir $<))\$(OBJ_SUFFIX):|$@:|' \
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-e '/^\(.*:\)\? */{p;s///;s/ *\\\?$$/ /;s/ */:\n/g;H;}' \
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-e '$${g;p;}' \
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-e d >$(basename $@).d; \
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[ "$${PIPESTATUS[*]}" = "0 0" ] || \
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{ rm -f $(basename $@).d; exit 1; }
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#
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# See
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# http://stackoverflow.com/questions/5229561/gnu-make-generating-automatic-dependencies-with-generated-header-files
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#
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.PHONY: generated_headers
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%$(OBJ_SUFFIX): %.c | generated_headers
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$(CC) $(CFLAGS) -c $<
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$(MKDEP)
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# ----- Cleanup ---------------------------------------------------------------
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clean::
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rm -f $(OBJS) $(OBJS:$(OBJ_SUFFIX)=.d)
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