mirror of
https://github.com/freebsd/freebsd-src
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2e36ab2363
Relevant/interesting changes (see ChangeLog for more):
o variables like .newline and .MAKE.{GID,PID,PPID,UID}
should be read-only.
o .[NO]READONLY: for control of read-only variables
o .SYSPATH: for controlling the path searched for makefiles
o allow for white-space between command specifiers @+-
o add more details to warning 'Extra targets ignored'
o make.1: sync list of built-in variables with reality
sort list of built-in variables
o cond.c: add more details to error message for numeric comparison
o job.c: fix handling of null bytes in output
o Allow .break to terminate a .for loop early
o var.c: fix out-of-bounds errors when parsing
o fix exit status for '-q' (since 1994)
47 lines
1.1 KiB
Makefile
47 lines
1.1 KiB
Makefile
# $NetBSD: export.mk,v 1.12 2022/09/09 18:36:15 sjg Exp $
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UT_TEST= export
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UT_FOO= foo${BAR}
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UT_FU= fubar
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UT_ZOO= hoopie
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UT_NO= all
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# believe it or not, we expect this one to come out with $UT_FU unexpanded.
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UT_DOLLAR= This is $$UT_FU
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.export UT_FU UT_FOO
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.export UT_DOLLAR
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.if !defined(.MAKE.PID)
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. error .MAKE.PID must be defined
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.endif
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@= at
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%= percent
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*= asterisk
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${:U!}= exclamation # A direct != would try to run "exclamation"
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# as a shell command and assign its output
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# to the empty variable.
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&= ampersand
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# This is ignored because it is internal.
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.export .MAKE.PID
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# These are ignored because they are local to the target.
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.export @
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.export %
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.export *
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.export !
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# This is exported (see the .rawout file) but not displayed since the dash
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# shell filters it out. To reach consistent output for each shell, the
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# ampersand is filtered out already by FILTER_CMD.
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.export &
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# This is ignored because it is undefined.
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.export UNDEFINED
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BAR= bar is ${UT_FU}
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.MAKE.EXPORTED+= UT_ZOO UT_TEST
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FILTER_CMD?= ${EGREP} -v '^(MAKEFLAGS|MALLOC_.*|PATH|PWD|SHLVL|_|&)='
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all:
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@env | ${FILTER_CMD} | sort
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