[205/461] Compiling video/out/vo_image.c
[206/461] Compiling video/out/vo_lavc.c
[207/461] Compiling video/out/vo_null.c
../video/out/gl_video.c: In function 'load_filestr':
../video/out/gl_video.c:570:13: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' [-Wformat=]
             MP_VERBOSE(p, "Loaded file '%s' with length '%ld'.\n", path, s.len);
             ^
../video/out/gl_video.c: In function 'load_shader':
../video/out/gl_video.c:1089:5: error: implicit declaration of function 'drand48' [-Werror=implicit-function-declaration]
     gl_sc_uniform_f(p->sc, "random", drand48());
     ^
cc1.exe: some warnings being treated as errors

Waf: Leaving directory `/home/Matt/mpv/build'
Build failed
 -> task in 'objects' failed (exit status 1):
        {task 7696546640848: c gl_video.c -> gl_video.c.12.o}
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