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a9377629f7
Several distros have been dropped since the last time we bumped the
minimum required GCC version.
Per repology, currently shipping versions are:
RHEL-8: 8.3.1
Debian Buster: 8.3.0
openSUSE Leap 15.2: 7.5.0
Ubuntu LTS 18.04: 7.5.0
Ubuntu LTS 20.04: 9.3.0
FreeBSD: 10.3.0
Fedora 33: 9.2.0
Fedora 34: 11.0.1
OpenBSD: 8.4.0
macOS HomeBrew: 11.1.0
With this list Ubuntu LTS 18.04 / openSUSE Leap 15.2 are the
constraint at 7.5.0.
When QEMU bumped GCC to 7.5.0, however, it was reported that
this is a problem for NetBSD which still ships 7.4.0.
NetBSD is not an officially targetted platform for libvirt.
Given that QEMU saw complaints about this and the feature
difference between GCC 7.4.0 and 7.5.0 is minor, I'm being
friendly and sticking 7.4.0.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <meson-config.h>
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/* Enable compile-time and run-time bounds-checking, and some warnings,
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* without upsetting newer glibc. */
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#if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
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# define _FORTIFY_SOURCE 2
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#endif
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/*
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* Define __GNUC_PREREQ to a sane default if it isn't yet defined.
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* This is done here so that it's included as early as possible;
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*/
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#ifndef __GNUC_PREREQ
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# define __GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#endif
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#if defined(__clang_major__) && defined(__clang_minor__)
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# ifdef __apple_build_version__
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# if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
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# error You need at least XCode Clang v5.1 to compile libvirt
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# endif
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# else
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# if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
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# error You need at least Clang v3.4 to compile libvirt
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# endif
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# endif
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#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
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# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
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# error You need at least GCC v7.4.0 to compile libvirt
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# endif
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#else
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# error You either need at least GCC 7.4.0 or Clang 3.4 or XCode Clang 5.1 to compile libvirt
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#endif
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