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* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
31 lines
917 B
Plaintext
31 lines
917 B
Plaintext
# dup3.m4 serial 5
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dnl Copyright (C) 2009-2017 Free Software 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 is preserved.
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AC_DEFUN([gl_FUNC_DUP3],
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[
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AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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dnl Persuade glibc <unistd.h> to declare dup3().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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AC_CHECK_FUNCS_ONCE([dup3 setdtablesize])
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if test $ac_cv_func_dup3 != yes; then
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HAVE_DUP3=0
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fi
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dnl Not needed yet, because dup3 is unconditionally replaced.
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dnl dnl Replace dup3() for supporting the gnulib-defined fchdir() function,
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dnl dnl to keep fchdir's bookkeeping up-to-date.
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dnl m4_ifdef([gl_FUNC_FCHDIR], [
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dnl gl_TEST_FCHDIR
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dnl if test $HAVE_FCHDIR = 0; then
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dnl if test $HAVE_DUP3 = 1; then
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dnl REPLACE_DUP3=1
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dnl fi
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dnl fi
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dnl ])
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])
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