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22 lines
641 B
Plaintext
22 lines
641 B
Plaintext
# dup2.m4 serial 1
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dnl Copyright (C) 2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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AC_DEFUN([gl_FUNC_DUP2],
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[
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AC_REPLACE_FUNCS(dup2)
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if test $ac_cv_func_dup2 = no; then
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gl_PREREQ_DUP2
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fi
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])
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# Prerequisites of lib/dup2.c.
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AC_DEFUN([gl_PREREQ_DUP2], [
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AC_CHECK_HEADERS_ONCE(fcntl.h unistd.h)
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])
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