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/*
* Copyright ( C ) 2013 Red Hat , Inc .
*
* This library is free software ; you can redistribute it and / or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation ; either
* version 2.1 of the License , or ( at your option ) any later version .
*
* This library is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* Lesser General Public License for more details .
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library . If not , see
* < http : //www.gnu.org/licenses/>.
*/
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# ifndef __GNUC__
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# error "Libvirt requires GCC >= 4.8, or CLang"
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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 ; gnulib relies
* on this to be defined in features . h , which should be included from ctype . h .
* This doesn ' t happen on many non - glibc systems .
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* When __GNUC_PREREQ is not defined , gnulib defines it to 0 , which breaks things .
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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 ) )
# endif
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# if !(__GNUC_PREREQ(4, 8) || defined(__clang__))
# error "Libvirt requires GCC >= 4.8, or CLang"
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# endif