AM_SANITY_CHECK
AC_PROG_MAKE_SET
AC_CHECK_PRINTF_NULL
+AC_CHECK_VA_COPY
# Checks for header files.
AC_HEADER_STDC
sys/stat.h \
windows.h winsock.h winsock2.h \
sys/time.h \
- errno.h unistd.h ])
+ errno.h unistd.h \
+ execinfo.h])
AC_CHECK_FUNCS([gettimeofday usleep \
getdtablesize \
sysconf])