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35b909062e
Upgrade Gnulib files to 20190105. It's much easier to maintain GRUB's use of portability support files from Gnulib when the process is automatic and driven by a single configuration file, rather than by maintainers occasionally running gnulib-tool and committing the result. Removing these automatically-copied files from revision control also removes the temptation to hack the output in ways that are difficult for future maintainers to follow. Gnulib includes a "bootstrap" program which is designed for this. The canonical way to bootstrap GRUB from revision control is now "./bootstrap", but "./autogen.sh" is still useful if you just want to generate the GRUB-specific parts of the build system. GRUB now requires Autoconf >= 2.63 and Automake >= 1.11, in line with Gnulib. Gnulib source code is now placed in grub-core/lib/gnulib/ (which should not be edited directly), and GRUB's patches are in grub-core/lib/gnulib-patches/. I've added a few notes to the developer manual on how to maintain this. Signed-off-by: Colin Watson <cjwatson@ubuntu.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
32 lines
830 B
Plaintext
32 lines
830 B
Plaintext
# glibc2.m4 serial 3
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dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2013 Free Software Foundation,
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dnl 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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# Test for the GNU C Library, version 2.0 or newer.
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# From Bruno Haible.
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AC_DEFUN([gt_GLIBC2],
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[
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AC_CACHE_CHECK([whether we are using the GNU C Library 2 or newer],
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[ac_cv_gnu_library_2],
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[AC_EGREP_CPP([Lucky GNU user],
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[
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#include <features.h>
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#ifdef __GNU_LIBRARY__
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#if (__GLIBC__ >= 2) && !defined __UCLIBC__
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Lucky GNU user
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#endif
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#endif
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],
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[ac_cv_gnu_library_2=yes],
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[ac_cv_gnu_library_2=no])
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]
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)
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AC_SUBST([GLIBC2])
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GLIBC2="$ac_cv_gnu_library_2"
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]
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)
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