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AC_INIT(btpd, 0.13+, btpd@murmeldjur.se)
AM_INIT_AUTOMAKE([foreign subdir-objects])
AC_CONFIG_FILES([Makefile])
AC_PROG_CC
AC_PROG_CC_C_O
AC_PROG_RANLIB
AC_ARG_WITH(openssl,
[ --with-openssl=dir use openssl installed in dir],
AC_SUBST(openssl_LDFLAGS,["-L${withval}/lib -Wl,-rpath=${withval}/lib"])
AC_SUBST(openssl_CPPFLAGS,"-I${withval}/include"))
AC_ARG_WITH(evloop-method,
[ --with-evloop-method select evloop method (epoll,poll,kqueue)],
evloop_methods=$withval,
evloop_methods="epoll kqueue poll")
AC_SEARCH_LIBS(clock_gettime, rt,
AC_SUBST(CLOCKLIB, $LIBS)
LIBS=""
,
echo btpd needs clock_gettime.
exit 1)
echo -n "checking whether compiler accepts -Wno-pointer-sign... "
old_CFLAGS=$CFLAGS
CFLAGS="-Wno-pointer-sign"
AC_COMPILE_IFELSE(int main(void) { return 0; },
AC_SUBST(WARNNPS,"-Wno-pointer-sign")
echo yes
,
echo no)
CFLAGS=$old_CFLAGS
old_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $openssl_LDFLAGS"
AC_CHECK_LIB(crypto, SHA1_Final,, echo "btpd needs openssl's libraries and headers."; exit 1)
LDFLAGS=$old_LDFLAGS
LIBS=""
for m in $evloop_methods; do
case $m in
epoll)
AC_CHECK_FUNC(epoll_wait,[
AC_SUBST(EVLOOP_IMPL,"evloop/epoll.${OBJEXT}")
AC_SUBST(EVLOOP_METHOD,EVLOOP_EPOLL)
break],)
;;
kqueue)
AC_CHECK_FUNC(kqueue,[
AC_SUBST(EVLOOP_IMPL,"evloop/kqueue.${OBJEXT}")
AC_SUBST(EVLOOP_METHOD,EVLOOP_KQUEUE)
break],)
;;
poll)
AC_CHECK_FUNC(poll,[
AC_SUBST(EVLOOP_IMPL,"evloop/poll.${OBJEXT}")
AC_SUBST(EVLOOP_METHOD,EVLOOP_POLL)
break],)
break
;;
*)
echo "$m is not a valid evloop method. See --help."
exit 1
;;
esac
done
if test x$EVLOOP_METHOD == x; then
echo "no suitable evloop method found."
exit 1
else
echo selected evloop method $EVLOOP_METHOD.
fi
AC_OUTPUT
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