24 lines
830 B
Plaintext
24 lines
830 B
Plaintext
dnl @ ../doc/m4.texi:1006: Origin of test
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dnl @ expected status: 0
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dnl @ extra options:
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dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
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dnl @ Foundation, Inc.
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dnl @ This file is free software; the Free Software Foundation
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dnl @ gives unlimited permission to copy and/or distribute it
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dnl @ with or without modifications, as long as this notice
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dnl @ is preserved.
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ifdef(`__unix__', ,
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`errprint(` skipping: syscmd does not have unix semantics
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')m4exit(`77')')dnl
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syscmd(`echo | cat >&- 2>/dev/null')ifelse(sysval, `0',
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`errprint(` skipping: system does not allow closing stdout
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')m4exit(`77')')dnl
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changequote(`[', `]')dnl
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syscmd([echo 'esyscmd(echo hi >&2 && echo err"print(bye
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)d"nl)dnl' > tmp.m4 \
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&& ']__program__[' tmp.m4 <&- >&- \
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&& rm tmp.m4])sysval
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dnl @error{}hi
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dnl @error{}bye
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dnl @result{}0
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