51 lines
1.9 KiB
Makefile
51 lines
1.9 KiB
Makefile
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# Copyright (C) 2009-2011, 2014 Apple Inc. All rights reserved.
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# Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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#
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# This document is the property of Apple Inc.
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# It is considered confidential and proprietary.
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#
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# This document may not be reproduced or transmitted in any form,
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# in whole or in part, without the express written permission of
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# Apple Inc.
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#
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TOBUILDDIR = $(addprefix $(BUILDDIR)/,$(1))
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TOHDRDIR = $(addprefix $(HDRDIR)/,$(1))
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TOLIBDIR = $(addprefix $(LIBDIR)/,$(1))
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TOLIBOBJDIR = $(addprefix $(LIBOBJDIR)/,$(1))
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TOSYMDIR = $(addprefix $(SYMDIR)/,$(1))
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TOTOOLSDIR = $(addprefix $(TOOLS_BIN)/,$(1))
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TOTESTDIR = $(addprefix $(TESTDIR)/,$(1))
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# build the target directory in a rule
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MKDIR = if [ ! -d $(dir $@) ]; then mkdir -p $(dir $@); fi
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# gets the local directory of the makefile. Requires GNU make 3.81
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GET_LOCAL_DIR = $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
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# returns a variable's numeric value or zero if empty
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NUMBER = $(or $(1),0)
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# evaluate arithmetic using the bash $(()) construct
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EVALUATE = $(shell echo $$(( $(1) )))
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# add two variables (empty variables count as zero)
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ADD = $(call EVALUATE, $(call NUMBER,$(1)) + $(call NUMBER,$(2)))
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# safe case transformations
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UPCASE = $(shell echo $(1) | tr a-z A-Z)
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DOWNCASE = $(shell echo $(1) | tr A-Z a-z)
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# test whether OPTIONS mentions the argument
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OPTION_ISSET = $(patsubst %,true,$(filter $(1),$(OPTIONS)) $(filter $(1)=%,$(OPTIONS)))
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# fetch the value that OPTIONS defines for the argument
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OPTION_VALUE = $(patsubst $(1)=%,%,$(filter $(1)=%,$(OPTIONS)))
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# evil hack to get a space as the first argument to $(subst ...)
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empty :=
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# for generating definition of obfuscated logging ID from filename
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HASH_FOR_FILE = $(or $(word 2,$(subst :, ,$(filter $<:%,$(DEBUG_FILENAME_HASHES)))),$(error Error: debug hash not found for source file $< needed for $@))
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DEBUG_FILE_HASH = -DDEBUG_FILE_HASH=0x$(HASH_FOR_FILE)ULL
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