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# dup2.m4 serial 2 |
#serial 3 |
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dnl Copyright (C) 2002 Free Software Foundation, Inc. |
dnl Copyright (C) 2002, 2005 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
dnl with or without modifications, as long as this notice is preserved. |
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# Prerequisites of lib/dup2.c. |
# Prerequisites of lib/dup2.c. |
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AC_DEFUN([gl_PREREQ_DUP2], [ |
AC_DEFUN([gl_PREREQ_DUP2], [ |
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AC_CHECK_HEADERS_ONCE(fcntl.h unistd.h) |
AC_CHECK_HEADERS_ONCE(unistd.h) |
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]) |
]) |