# Copyright (C) 2014 Internet Systems Consortium, Inc. ("ISC")
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
AC_INIT(perftcpdns.c)
AC_PREREQ(2.13)
AC_PROG_CC
AC_CHECK_LIB(m, sqrt)
AC_CHECK_LIB(rt, clock_gettime)
AC_MSG_CHECKING(epoll support)
AC_TRY_RUN([
#include <sys/epoll.h>
int main() {
if (epoll_create(1) < 0)
return (1);
return (0);
}
], [AC_MSG_RESULT(yes)], [AC_MSG_ERROR(epoll not found)])
case "$host" in
*-freebsd*)
# We don't want to set -lpthread as that break
# the ability to choose threads library at final
# link time and is not valid for all architectures.
PTHREAD=
if test "X$GCC" = "Xyes"; then
saved_cc="$CC"
CC="$CC -pthread"
AC_MSG_CHECKING(for gcc -pthread support);
AC_TRY_LINK([#include <pthread.h>],
[printf("%x\n", pthread_create);],
PTHREAD="yes"
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
CC="$saved_cc"
fi
if test "X$PTHREAD" != "Xyes"; then
AC_CHECK_LIB(pthread, pthread_create,,
AC_CHECK_LIB(thr, thread_create,,
AC_CHECK_LIB(c_r, pthread_create,,
AC_CHECK_LIB(c, pthread_create,,
AC_MSG_ERROR("could not find thread libraries")))))
fi
;;
*)
AC_CHECK_LIB(pthread, pthread_create,,
AC_CHECK_LIB(pthread, __pthread_create,,
AC_CHECK_LIB(pthread, __pthread_create_system,,
AC_CHECK_LIB(c_r, pthread_create,,
AC_CHECK_LIB(c, pthread_create,,
AC_MSG_ERROR("could not find thread libraries"))))))
;;
esac
AC_OUTPUT(Makefile)