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| 1 | # unistd_h.m4 serial 2
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| 2 | dnl Copyright (C) 2006 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | dnl Written by Simon Josefsson
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| 8 |
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| 9 | AC_DEFUN([gl_HEADER_UNISTD],
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| 10 | [
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| 11 | dnl Prerequisites of lib/unistd.h.
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| 12 | AC_CHECK_HEADERS([unistd.h], [
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| 13 | UNISTD_H=''
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| 14 | ], [
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| 15 | UNISTD_H='unistd.h'
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| 16 | ])
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| 17 | AC_SUBST(UNISTD_H)
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| 18 | ])
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