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103 lines
4.0 KiB
Makefile
103 lines
4.0 KiB
Makefile
# -*- makefile -*-
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# vim:set ts=8 sw=8 sts=8 noet:
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this file,
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# You can obtain one at http://mozilla.org/MPL/2.0/.
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## Identify function argument types
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istype =$(if $(value ${1}),list,scalar)
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isval =$(if $(filter-out list,$(call istype,${1})),true)
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isvar =$(if $(filter-out scalar,$(call istype,${1})),true)
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# Access up to 9 arguments passed, option needed to emulate $*
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# Inline for function expansion, do not use $(call )
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argv =$(strip
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argv +=$(if $(1), $(1))$(if $(2), $(2))$(if $(3), $(3))$(if $(4), $(4))
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argv +=$(if $(5), $(5))$(if $(6), $(6))$(if $(7), $(7))$(if $(8), $(8))
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argv +=$(if $(9), $(9))
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argv +=$(if $(10), $(error makeutils.mk::argv can only handle 9 arguments))
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argv +=)
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###########################################################################
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## Access function args as a simple list, inline within user functions.
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## Usage: $(info ** $(call banner,$(getargv)))
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## $(call banner,scalar)
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## $(call banner,list0 list1 list2)
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## $(call banner,ref) ; ref=foo bar tans
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## getarglist() would be a more accurate name but is longer to type
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getargv = $(if $(call isvar,$(1)),$($(1)),$(argv))
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###########################################################################
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# Strip [n] leading options from an argument list. This will allow passing
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# extra args to user functions that will not propogate to sub-$(call )'s
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# Usage: $(call subargv,2)
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subargv =$(wordlist $(1),$(words $(getargv)),$(getargv))
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###########################################################################
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# Intent: Display a distinct banner heading in the output stream
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# Usage: $(call banner,BUILDING: foo bar tans)
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# Debug:
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# target-preqs = \
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# $(call banner,target-preqs-BEGIN) \
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# foo bar tans \
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# $(call banner,target-preqs-END) \
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# $(NULL)
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# target: $(target-preqs)
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banner =\
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$(info )\
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$(info ***************************************************************************)\
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$(info ** $(getargv))\
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$(info ***************************************************************************)\
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$(NULL)
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#####################################################################
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# Intent: Determine if a string or pattern is contained in a list
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# Usage: strcmp - $(call if_XinY,clean,$(MAKECMDGOALS))
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# : pattern - $(call if_XinY,clean%,$(MAKECMDGOALS))
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is_XinY =$(filter $(1),$(call subargv,3,$(getargv)))
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#####################################################################
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# Provide an alternate var to support testing
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ifdef MAKEUTILS_UNIT_TEST
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mcg_goals=TEST_MAKECMDGOALS
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else
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mcg_goals=MAKECMDGOALS
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endif
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# Intent: Conditionals for detecting common/tier target use
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# Todo: are check, install, test needed ?
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isTargetStem = $(sort $(foreach pat, $(1)% %$(1), $(call is_XinY,$(pat),${$(mcg_goals)})))
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isTargetStemClean = $(call isTargetStem,clean)
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isTargetStemExport = $(call isTargetStem,export)
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isTargetStemLibs = $(call isTargetStem,libs)
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isTargetStemTools = $(call isTargetStem,tools)
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##################################################
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# Intent: Validation functions / unit test helpers
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errorifneq =$(if $(subst $(strip $(1)),$(NULL),$(strip $(2))),$(error expected [$(1)] but found [$(2)]))
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# Intent: verify function declaration exists
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requiredfunction =$(foreach func,$(1) $(2) $(3) $(4) $(5) $(6) $(7) $(8) $(9),$(if $(value $(func)),$(NULL),$(error required function [$(func)] is unavailable)))
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## http://www.gnu.org/software/make/manual/make.html#Call-Function
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## Usage: o = $(call map,origin,o map $(MAKE))
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map = $(foreach val,$(2),$(call $(1),$(val)))
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## Disable checking for clean targets
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ifeq (,$(filter %clean clean%,$(MAKECMDGOALS)))
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# Usage: $(call checkIfEmpty,[error|warning] foo NULL bar)
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checkIfEmpty =$(foreach var,$(wordlist 2,100,$(argv)),$(if $(strip $($(var))),$(NOP),$(call $(1),Variable $(var) does not contain a value)))
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# Usage: $(call errorIfEmpty,foo NULL bar)
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errorIfEmpty =$(call checkIfEmpty,error $(argv))
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warnIfEmpty =$(call checkIfEmpty,warning $(argv))
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endif
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