# 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)