45 lines
1.4 KiB
Makefile
45 lines
1.4 KiB
Makefile
# $NetBSD: compat-error.mk,v 1.5 2022/05/08 06:51:27 rillig Exp $
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#
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# Test detailed error handling in compat mode.
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#
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# Make several targets that alternately succeed and fail.
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#
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# The first failing top-level target is recorded in '.ERROR_TARGET'. While
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# this information may give a hint as to which target failed, it would be more
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# useful at that point to know the actual target that failed, or the complete
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# chain from root cause to top-level target.
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#
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# Historic bugs
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# Before compat.c 1.215 from 2020-12-13, '.ERROR_TARGET' was 'success3',
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# which was obviously wrong.
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#
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# Bugs
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# As of 2020-12-13, '.ERROR_CMD' is empty, which does not provide any
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# insight into the command that actually failed.
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#
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# See also:
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# Compat_MakeAll
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#
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# The commit that added the NULL command to gn->commands:
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# CVS: 1994.06.06.22.45.??
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# Git: 26a8972fd7f982502c5fbfdabd34578b99d77ca5
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# 1994: Lst_Replace (cmdNode, (ClientData) NULL);
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# 2020: LstNode_SetNull(cmdNode);
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#
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# The commit that skipped NULL commands for .ERROR_CMD:
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# CVS: 2016.08.11.19.53.17
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# Git: 58b23478b7353d46457089e726b07a49197388e4
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.MAKEFLAGS: -k success1 fail1 success2 fail2 success3
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success1 success2 success3:
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: Making ${.TARGET} out of nothing.
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fail1 fail2:
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: Making ${.TARGET} out of nothing.
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false '${.TARGET}' '$${.TARGET}' '$$$${.TARGET}'
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.ERROR:
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@echo ${.TARGET} target: '<'${.ERROR_TARGET:Q}'>'
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@echo ${.TARGET} command: '<'${.ERROR_CMD:Q}'>'
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