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5d8357976a
Checks whether or not the compiler supports the -fvisibility option. If so it sets the VISIBILITY_CFLAGS variable which can be added to the per directory AM_CFLAGS where appropriate. By default all symbols will be hidden via the VISIBILITY_CFLAGS. The drm_public macro can be used to mark symbols that should be exported. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
34 lines
1.4 KiB
C
34 lines
1.4 KiB
C
/*
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* Copyright © 2014 NVIDIA Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LIBDRM_LIBDRM_H
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#define LIBDRM_LIBDRM_H
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#if defined(HAVE_VISIBILITY)
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# define drm_private __attribute__((visibility("hidden")))
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# define drm_public __attribute__((visibility("default")))
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#else
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# define drm_private
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# define drm_public
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#endif
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#endif
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