Miscellany

BEGIN /tmp/.private/thresh/ffmpeg-conf-24944-1343-24975.c
     1  #define _ISOC9X_SOURCE  1
     2  #include <math.h>
     3  int main( void ) { return (lrintf(3.999f) > 0)?0:1; }
END /tmp/.private/thresh/ffmpeg-conf-24944-1343-24975.c
gcc -pipe -Wall -O2 -frename-registers -fPIC -DPIC -fomit-frame-pointer -pthread -c -o /tmp/.private/thresh/ffmpeg-conf-9467-1343-24767.o /tmp/.private/thresh/ffmpeg-conf-24944-1343-24975.c
gcc -lm -pthread -o /tmp/.private/thresh/ffmpeg-conf-8010-1343-8586 /tmp/.private/thresh/ffmpeg-conf-9467-1343-24767.o
/tmp/.private/thresh/ffmpeg-conf-9467-1343-24767.o: In function `main':
ffmpeg-conf-24944-1343-24975.c:(.text+0xd): undefined reference to `lrintf'
collect2: ld returned 1 exit status