]> granicus.if.org Git - apache/blob - server/mpm/config.m4
Add ap_sigwait() to support old-style sigwait().
[apache] / server / mpm / config.m4
1 AC_MSG_CHECKING(which MPM to use)
2 AC_ARG_WITH(mpm,
3 [  --with-mpm=MPM          Choose the process model for Apache to use.
4                           MPM={dexter,mpmt_beos,mpmt_pthread,prefork,spmt_os2}],[
5   APACHE_MPM=$withval
6 ],[
7   APACHE_MPM=mpmt_pthread
8   case "`uname -sr`" in
9     "BeOS"*)
10       APACHE_MPM=mpmt_beos;;
11     "OS/2"*)
12       APACHE_MPM=spmt_os2;;
13   esac 
14 ])
15 AC_MSG_RESULT($APACHE_MPM)
16
17 apache_cv_mpm=$APACHE_MPM
18         
19 if test "$apache_cv_mpm" = "mpmt_pthread" -o "$apache_cv_mpm" = "dexter"; then
20   PTHREADS_CHECK
21   AC_MSG_CHECKING([for which threading library to use])
22   AC_MSG_RESULT($threads_result)
23
24   if test "$apache_threads_working" = "no"; then
25     AC_MSG_RESULT(The currently selected MPM requires pthreads which your system seems to lack)
26     AC_MSG_CHECKING(checking for replacement)
27     AC_MSG_RESULT(prefork selected)
28     apache_cv_mpm=prefork
29   fi
30 fi
31
32 APACHE_CHECK_SIGWAIT_ONE_ARG
33 APACHE_CHECK_SHM_RW
34
35 APACHE_FAST_OUTPUT(modules/mpm/Makefile)
36 MPM_NAME=$apache_cv_mpm
37 MPM_DIR=modules/mpm/$MPM_NAME
38 MPM_LIB=$MPM_DIR/lib${MPM_NAME}.la
39
40 APACHE_SUBST(MPM_NAME)
41 MODLIST="$MODLIST mpm_${MPM_NAME}"
42
43 dnl All the unix MPMs use shared memory; save a little duplication
44 AC_DEFUN(APACHE_MPM_CHECK_SHMEM, [
45     AC_CHECK_FUNCS(shmget)
46     AC_FUNC_MMAP
47     
48     AC_MSG_CHECKING(which shared memory mechanism to use)
49     if test "$ac_cv_func_shmget" = "yes" ; then
50         AC_DEFINE(USE_SHMGET_SCOREBOARD,,
51             [Define if MPMs should use shmget to implement their shared memory])
52         AC_MSG_RESULT(shmget)
53     elif test "$ac_cv_func_mmap" = "yes" ; then
54         AC_DEFINE(USE_MMAP_SCOREBOARD,,
55             [Define if MPMs should use mmap to implement their shared memory])
56         AC_MSG_RESULT(mmap)
57     else
58         AC_MSG_ERROR(No known shared memory system)
59     fi
60 ])
61
62 dnl Check for pthreads and attempt to support it
63 AC_DEFUN(APACHE_MPM_PTHREAD, [
64
65 dnl XXX - We should be checking for the proper flags to use on a particular 
66 dnl platform. This will cover a couple of them, anyway
67
68     AC_CHECK_HEADER(pthread.h, [ ],[
69         AC_MSG_ERROR(This MPM requires pthreads. Try --with-mpm=prefork.)
70     ])
71     AC_CHECK_FUNC(pthread_create, [ ],[
72         AC_MSG_ERROR(Can't compile pthread code.)
73     ])
74
75     dnl User threads libraries need pthread.h included everywhere
76     AC_DEFINE(PTHREAD_EVERYWHERE,,
77         [Define if all code should have #include <pthread.h>])
78 ])