dba7b0ef92
Changes of interest
o unit-tests: use private TMPDIR to avoid errors from other users
o avoid strdup in mkTempFile
o always use vfork
o job.c: do not create empty shell files in jobs mode
reduce unnecessary calls to waitpid
o cond.c: fix debug output for comparison operators in conditionals
65 lines
1.5 KiB
Makefile
65 lines
1.5 KiB
Makefile
# $NetBSD: vardebug.mk,v 1.7 2021/02/04 21:42:47 rillig Exp $
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#
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# Demonstrates the debugging output for var.c.
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.MAKEFLAGS: -dv FROM_CMDLINE=
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VAR= added # VarAdd
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VAR= overwritten # Var_Set
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.undef VAR # Var_Delete (found)
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.undef VAR # Var_Delete (not found)
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# The variable with the empty name cannot be set at all.
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${:U}= empty name # Var_Set
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${:U}+= empty name # Var_Append
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FROM_CMDLINE= overwritten # Var_Set (ignored)
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VAR= 1
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VAR+= 2
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VAR+= 3
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.if ${VAR:M[2]} # ModifyWord_Match
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.endif
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.if ${VAR:N[2]} # ModifyWord_NoMatch (no debug output)
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.endif
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.if ${VAR:S,2,two,} # ParseModifierPart
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.endif
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.if ${VAR:Q} # VarQuote
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.endif
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.if ${VAR:tu:tl:Q} # ApplyModifiers
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.endif
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# ApplyModifiers, "Got ..."
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.if ${:Uvalue:${:UM*e}:Mvalu[e]}
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.endif
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.undef ${:UVAR} # Var_Delete
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# When ApplyModifiers results in an error, this appears in the debug log
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# as "is error", without surrounding quotes.
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.if ${:Uvariable:unknown}
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.endif
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# XXX: The error message is "Malformed conditional", which is wrong.
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# The condition is syntactically fine, it just contains an undefined variable.
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#
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# There is a specialized error message for "Undefined variable", but as of
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# 2020-08-08, that is not covered by any unit tests. It might even be
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# unreachable.
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.if ${UNDEFINED}
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.endif
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# By default, .SHELL is not defined and thus can be set. As soon as it is
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# accessed, it is initialized in the command line scope (during VarFind),
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# where it is set to read-only. Assigning to it is ignored.
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.MAKEFLAGS: .SHELL=overwritten
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.MAKEFLAGS: -d0
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all:
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@:
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