2f2a5ecdf8
o ignore '.POSIX:' if not in first non-comment line
of Makefile as specified by POSIX.
add unit-tests for above.
Merge commit '92bfae0e6bd53a7a0d6fe55e70a916d86cf26e8b'
116 lines
2.9 KiB
Makefile
116 lines
2.9 KiB
Makefile
# $NetBSD: depsrc-usebefore.mk,v 1.9 2022/04/18 14:41:42 rillig Exp $
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#
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# Tests for the special source .USEBEFORE in dependency declarations,
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# which allows to prepend common commands to other targets.
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#
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# If a target depends on several .USE or .USEBEFORE nodes, the commands get
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# appended or prepended in declaration order. For .USE nodes, this is the
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# expected order, for .USEBEFORE nodes the order is somewhat reversed, and for
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# .USE or .USEBEFORE nodes that depend on other .USE or .USEBEFORE nodes, it
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# gets even more complicated.
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#
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# See also:
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# .USE
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# depsrc-use.mk
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# Before make.h 1.280 from 2021-12-28, a .USEBEFORE target was accidentally
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# regarded as a candidate for the main target. On the other hand, a .USE
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# target was not.
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not-a-main-candidate: .USEBEFORE
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all:
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@${MAKE} -r -f ${MAKEFILE} ordering
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@${MAKE} -r -f ${MAKEFILE} directly
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ordering: before-1 before-2 after-1 after-2
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before-1: .USEBEFORE before-1-before-1 before-1-before-2 before-1-after-1 before-1-after-2
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@echo before-1 1
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@echo before-1 2
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before-1-before-1: .USEBEFORE
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@echo before-1-before-1 1
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@echo before-1-before-1 2
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before-1-before-2: .USEBEFORE
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@echo before-1-before-2 1
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@echo before-1-before-2 2
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before-1-after-1: .USE
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@echo before-1-after-1 1
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@echo before-1-after-1 2
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before-1-after-2: .USE
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@echo before-1-after-2 1
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@echo before-1-after-2 2
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before-2: .USEBEFORE before-2-before-1 before-2-before-2 before-2-after-1 before-2-after-2
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@echo before-2 1
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@echo before-2 2
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before-2-before-1: .USEBEFORE
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@echo before-2-before-1 1
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@echo before-2-before-1 2
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before-2-before-2: .USEBEFORE
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@echo before-2-before-2 1
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@echo before-2-before-2 2
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before-2-after-1: .USE
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@echo before-2-after-1 1
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@echo before-2-after-1 2
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before-2-after-2: .USE
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@echo before-2-after-2 1
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@echo before-2-after-2 2
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after-1: .USE after-1-before-1 after-1-before-2 after-1-after-1 after-1-after-2
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@echo after-1 1
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@echo after-1 2
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after-1-before-1: .USEBEFORE
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@echo after-1-before-1 1
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@echo after-1-before-1 2
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after-1-before-2: .USEBEFORE
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@echo after-1-before-2 1
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@echo after-1-before-2 2
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after-1-after-1: .USE
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@echo after-1-after-1 1
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@echo after-1-after-1 2
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after-1-after-2: .USE
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@echo after-1-after-2 1
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@echo after-1-after-2 2
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after-2: .USE after-2-before-1 after-2-before-2 after-2-after-1 after-2-after-2
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@echo after-2 1
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@echo after-2 2
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after-2-before-1: .USEBEFORE
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@echo after-2-before-1 1
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@echo after-2-before-1 2
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after-2-before-2: .USEBEFORE
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@echo after-2-before-2 1
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@echo after-2-before-2 2
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after-2-after-1: .USE
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@echo after-2-after-1 1
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@echo after-2-after-1 2
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after-2-after-2: .USE
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@echo after-2-after-2 1
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@echo after-2-after-2 2
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# It is possible but uncommon to have a .USEBEFORE target with no commands.
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# This may happen as the result of expanding a .for loop.
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empty: .USEBEFORE
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# It is technically possible to directly make a .USEBEFORE target, but it
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# doesn't make sense since GNode_IsOODate considers such a target to always be
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# up to date.
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directly: .USEBEFORE
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@echo directly
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