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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_USE_SYSTEM_EXTENSIONS
AC_DEFUN([PROG_SILENT_IFELSE],
ac_output=`$1 2>&1`
if test x"$ac_output" != x; then
[$3]
else
[$2]
fi)
AC_DEFUN([CC_ARGS_OK_IFELSE],
AC_LANG_PUSH(C)
AC_LANG_CONFTEST([int foo(void) { return 12; }])
AC_LANG_POP(C)
PROG_SILENT_IFELSE([$CC $1 -c conftest.c],
rm -f conftest.c conftest.$OBJEXT
[$2],
rm -f conftest.c conftest.$OBJEXT
[$3]))
AC_ARG_WITH(openssl,
[ --with-openssl=dir use openssl installed in dir],
[
AC_SUBST(openssl_LDFLAGS,["-L${withval}/lib -Wl,-R,${withval}/lib"])
AC_SUBST(openssl_CPPFLAGS,"-I${withval}/include")
])
AC_ARG_WITH(evloop-method,
[ --with-evloop-method select evloop method (epoll,poll,kqueue)],
evloop_methods=$withval,
evloop_methods="epoll kqueue poll")
old_LIBS=$LIBS
LIBS=""
AC_SEARCH_LIBS(clock_gettime, rt,,AC_MSG_FAILURE(btpd needs clock_gettime))
AC_SUBST(CLOCKLIB,$LIBS)
LIBS=""
AC_SEARCH_LIBS(inet_ntop, nsl,,AC_MSG_FAILURE(btpd needs inet_ntop))
AC_SEARCH_LIBS(bind, socket,,AC_MSG_FAILURE(btpd needs bind))
AC_SUBST(INETLIBS,$LIBS)
LIBS=$old_LIBS
AC_CHECK_FUNCS(asprintf)
AC_MSG_CHECKING(whether compiler accepts -Wno-pointer-sign)
CC_ARGS_OK_IFELSE(-Wno-pointer-sign,
AC_SUBST(WARNNPS,"-Wno-pointer-sign")
AC_MSG_RESULT(yes)
,
AC_MSG_RESULT(no))
old_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $openssl_LDFLAGS"
AC_CHECK_LIB(crypto, SHA1_Final,:,AC_MSG_FAILURE(btpd needs openssl's libraries and headers))
LDFLAGS=$old_LDFLAGS
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
;;
*)
AC_MSG_ERROR($m is not a valid evloop method)
exit 1
;;
esac
done
if test x"$EVLOOP_METHOD" == x; then
AC_MSG_FAILURE(no suitable evloop method found)
exit 1
else
AC_MSG_NOTICE(selected evloop method $EVLOOP_METHOD)
fi
for i in 0 1 2 3 4 5 6; do
case $i in
0) if test x"$TD_CFLAGS$TD_LIBS" == x; then continue; fi;;
1) TD_CFLAGS=-pthread;;
2) TD_CFLAGS=-pthreads;;
3) TD_CFLAGS=-kthread;;
4) TD_CFLAGS=-mt;;
5) TD_LIBS=-lpthread;;
6) AC_MSG_FAILURE(how do you build with pthreads on this system?);;
esac
AC_MSG_CHECKING(whether pthreads compiles with flags \"$TD_CFLAGS $TD_LIBS\")
CC_ARGS_OK_IFELSE($TD_CFLAGS $CFLAGS $TD_LIBS $LIBS,,
AC_MSG_RESULT(no)
TD_CFLAGS=""; TD_LIBS=""
continue)
old_CFLAGS=$CFLAGS; old_LIBS=$LIBS
CFLAGS="$TD_CFLAGS $CFLAGS"; LIBS="$TD_LIBS $LIBS"
AC_LINK_IFELSE([
#include <pthread.h>
int main(void) { return pthread_create(0,0,0,0);}
], [
AC_MSG_RESULT(yes)
CFLAGS=$old_CFLAGS; LIBS=$old_LIBS
break
], [
AC_MSG_RESULT(no)
TD_CFLAGS=""; TD_LIBS=""
CFLAGS=$old_CFLAGS; LIBS=$old_LIBS
])
done
AC_SUBST(TD_CFLAGS)
AC_SUBST(TD_LIBS)
AC_OUTPUT
|