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-rw-r--r--aclocal/enable-multiprocessing.m45
-rw-r--r--aclocal/enable-rtemsbsp.m42
-rw-r--r--aclocal/enable-smp.m47
3 files changed, 8 insertions, 6 deletions
diff --git a/aclocal/enable-multiprocessing.m4 b/aclocal/enable-multiprocessing.m4
index 53fa8ffe81..6f8843d1f6 100644
--- a/aclocal/enable-multiprocessing.m4
+++ b/aclocal/enable-multiprocessing.m4
@@ -5,8 +5,9 @@ AC_ARG_ENABLE(multiprocessing,
[enable multiprocessing interface; the multiprocessing interface is a
communication interface between different RTEMS instances and allows
synchronization of objects via message passing])],
-[case "${enable_multiprocessing}" in
- yes) ;;
+[case "${enable_multiprocessing}" in
+ yes) test -z $enable_rtemsbsp && AC_MSG_ERROR([Multiprocessing requires BSPs to be provided, none have, see --enable-rtemsbsp])
+ ;;
no) ;;
*) AC_MSG_ERROR(bad value ${enableval} for enable-multiprocessing option) ;;
esac],[enable_multiprocessing=no])
diff --git a/aclocal/enable-rtemsbsp.m4 b/aclocal/enable-rtemsbsp.m4
index 613a29e290..718275e1df 100644
--- a/aclocal/enable-rtemsbsp.m4
+++ b/aclocal/enable-rtemsbsp.m4
@@ -6,7 +6,7 @@ AC_DEFUN([RTEMS_ENABLE_RTEMSBSP],
AC_BEFORE([$0], [RTEMS_ENV_RTEMSBSP])
AC_ARG_ENABLE(rtemsbsp,
[AS_HELP_STRING([--enable-rtemsbsp="bsp1 bsp2 .."],
-[BSPs to include in build])],
+[BSPs to include in build, required for SMP and MP builds])],
[case "${enable_rtemsbsp}" in
yes ) enable_rtemsbsp="" ;;
no ) enable_rtemsbsp="no" ;;
diff --git a/aclocal/enable-smp.m4 b/aclocal/enable-smp.m4
index 590a7b15ff..e6461de685 100644
--- a/aclocal/enable-smp.m4
+++ b/aclocal/enable-smp.m4
@@ -5,13 +5,14 @@ AC_DEFUN([RTEMS_ENABLE_SMP],
AC_ARG_ENABLE(smp,
[AS_HELP_STRING([--enable-smp],[enable support for symmetric multiprocessing
(SMP)])],
-[case "${enableval}" in
- yes) case "${RTEMS_CPU}" in
+[case "${enableval}" in
+ yes) test -z $enable_rtemsbsp && AC_MSG_ERROR([SMP requires BSPs to be provided, none have, see --enable-rtemsbsp])
+ case "${RTEMS_CPU}" in
arm|powerpc|sparc|i386) RTEMS_HAS_SMP=yes ;;
*) RTEMS_HAS_SMP=no ;;
esac
;;
no) RTEMS_HAS_SMP=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for enable-smp option) ;;
-esac],[RTEMS_HAS_SMP=no])
+esac],[RTEMS_HAS_SMP=no])
])