AC_MSG_CHECKING(which MPM to use)

AC_ARG_WITH(mpm,

[ --with-mpm=MPM Choose the process model for Apache to use.

MPM={dexter,mpmt_beos,mpmt_pthread,prefork,spmt_os2}],[

APACHE_MPM=$withval

],[

APACHE_MPM=mpmt_pthread

case "`uname -sr`" in

"BeOS"*)

APACHE_MPM=mpmt_beos;;

"OS/2"*)

APACHE_MPM=spmt_os2;;

esac

])

AC_MSG_RESULT($APACHE_MPM)

apache_cv_mpm=$APACHE_MPM

if test "$apache_cv_mpm" = "mpmt_pthread" -o "$apache_cv_mpm" = "dexter"; then

PTHREADS_CHECK

AC_MSG_CHECKING([for which threading library to use])

AC_MSG_RESULT($threads_result)

if test "$apache_threads_working" = "no"; then

AC_MSG_RESULT(The currently selected MPM requires pthreads which your system seems to lack)

AC_MSG_CHECKING(checking for replacement)

AC_MSG_RESULT(prefork selected)

apache_cv_mpm=prefork

fi

fi

APACHE_CHECK_SIGWAIT_ONE_ARG

APACHE_FAST_OUTPUT(modules/mpm/Makefile)

MPM_NAME=$apache_cv_mpm

if test "$MPM_NAME" = "prefork" ; then

MPM_NAME="mpmt_pthread"

EXTRA_CFLAGS="$EXTRA_CFLAGS -DNO_THREADS"

ac_cv_enable_threads="no"

AC_CACHE_SAVE

fi

if test "$MPM_NAME" = "mpmt_pthread" ; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DMPMT_PTHREAD"

elif test "$MPM_NAME" = "dexter" ; then

EXTRA_CFLAGS="$EXTRA_CFLAGS -DDEXTER"

fi

if test "$MPM_NAME" = "dexter" -o "$MPM_NAME" = "mpmt_pthread"; then

MPM_DIR=modules/mpm/mpmt;

MPM_LIB=$MPM_DIR/libmpmt.la

MPM_NAME="mpmt"

else

MPM_DIR=modules/mpm/$MPM_NAME

MPM_LIB=$MPM_DIR/lib${MPM_NAME}.la

fi

APACHE_SUBST(MPM_NAME)

MODLIST="$MODLIST mpm_${MPM_NAME}"

dnl Check for pthreads and attempt to support it

AC_DEFUN(APACHE_MPM_PTHREAD, [

if test "$pthreads_working" != "yes"; then

AC_MSG_ERROR(This MPM requires pthreads. Try --with-mpm=prefork.)

fi

dnl User threads libraries need pthread.h included everywhere

AC_DEFINE(PTHREAD_EVERYWHERE,,

[Define if all code should have #include <pthread.h>])

])