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configure: improve check for POSIX ioctl

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Instead of relying on system #ifdefs which may or may not be correct,
detect the POSIX ioctl signature at configure time.
This commit is contained in:
Ramiro Polla
2024-08-29 15:40:00 +02:00
parent 6aafe61285
commit 00b64fca55
2 changed files with 3 additions and 1 deletions
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2
libavdevice/v4l2.c
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@ -111,7 +111,7 @@ struct video_data {
int (*open_f)(const char *file, int oflag, ...);
int (*close_f)(int fd);
int (*dup_f)(int fd);
#if defined(__sun) || defined(__BIONIC__) || defined(__musl__) /* POSIX-like */
#if HAVE_POSIX_IOCTL
int (*ioctl_f)(int fd, int request, ...);
#else
int (*ioctl_f)(int fd, unsigned long int request, ...);