Use C++17's __has_include

philippegorley / wavfile

Single header wav file writer

GNU General Public License v3.0

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Use C++17's __has_include #3

Open philippegorley opened 2 years ago

philippegorley commented 2 years ago

[ ] Include extra functionality (such as AVFrame) automatically
[ ] Allow exclusion of headers via a preprocessor symbol

philippegorley commented 2 years ago

#if __cplusplus >= 201703L
#ifndef WF_NO_AVFRAME
#if __has_include(<libavutil/AVFrame.h>)
#define WF_AVFRAME
#endif
#endif
#endif

#ifdef WF_AVFRAME
#include <libavutil/AVFrame.h>
#endif