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Fixed bug 3476 - round() needs _GNU_SOURCE on some old systems
Ozkan Sezer On systems with old glibc, such mine with glibc-2.8, the following warning is issued and is fixed easily by defining _GNU_SOURCE: /home/me/SDL2-2.0.5/src/video/x11/SDL_x11modes.c: In function 'CalculateXRandRRefreshRate': /home/me/SDL2-2.0.5/src/video/x11/SDL_x11modes.c:263: warning: implicit declaration of function 'round' /home/me/SDL2-2.0.5/src/video/x11/SDL_x11modes.c:263: warning: incompatible implicit declaration of built-in function 'round'
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@ -18,6 +18,10 @@
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_X11
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