apenwarr-redo/docs/cookbook/c/rc/clock_gettime.rc.od

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rc_include rc/CC.rc rc/rt.autolib.rc rc/posix.rc
prog="
#include <time.h>
void test() { clock_gettime(CLOCK_MONOTONIC, NULL); }
"
rc_appendln LIBS "$LIBRT"
if rc_compile cc link "$prog"; then
rc_replaceln "HAVE_CLOCK_GETTIME" 1
else
rc_undo
rc_replaceln "HAVE_CLOCK_GETTIME" ""
fi
rc_save