mirror of
https://github.com/opnsense/src.git
synced 2026-04-04 08:55:18 -04:00
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
44 lines
1,022 B
Makefile
44 lines
1,022 B
Makefile
# $NetBSD: envfirst.mk,v 1.5 2021/02/04 21:42:47 rillig Exp $
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#
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# The -e option makes environment variables stronger than global variables.
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.MAKEFLAGS: -e
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.if ${FROM_ENV} != value-from-env
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. error ${FROM_ENV}
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.endif
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# Try to override the variable; this does not have any effect.
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FROM_ENV= value-from-mk
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.if ${FROM_ENV} != value-from-env
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. error ${FROM_ENV}
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.endif
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# Try to append to the variable; this also doesn't have any effect.
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FROM_ENV+= appended
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.if ${FROM_ENV} != value-from-env
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. error ${FROM_ENV}
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.endif
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# The default assignment also cannot change the variable.
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FROM_ENV?= default
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.if ${FROM_ENV} != value-from-env
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. error ${FROM_ENV}
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.endif
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# Neither can the assignment modifiers.
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.if ${FROM_ENV::=from-condition}
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.endif
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.if ${FROM_ENV} != value-from-env
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. error ${FROM_ENV}
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.endif
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# Even .undef doesn't work since it only affects the global scope,
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# which is independent from the environment variables.
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.undef FROM_ENV
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.if ${FROM_ENV} != value-from-env
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. error ${FROM_ENV}
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.endif
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all:
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@: nothing
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