[rtems commit] Require the user to provide a BSP list when build SMP or MP.

[Chris Johns]

Module:    rtems
Branch:    master
Commit:    e1664027fe334db174ed74372138d3236f89b52c
Changeset: http://git.rtems.org/rtems/commit/?id=e1664027fe334db174ed74372138d3236f89b52c

Author:    Chris Johns <chrisj at rtems.org>
Date:      Mon Apr  9 16:36:12 2018 +1000

Require the user to provide a BSP list when build SMP or MP.

Close 3383.

---

 aclocal/enable-multiprocessing.m4 | 5 +++--
 aclocal/enable-rtemsbsp.m4        | 2 +-
 aclocal/enable-smp.m4             | 7 ++++---
 configure.ac                      | 3 ++-
 4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/aclocal/enable-multiprocessing.m4 b/aclocal/enable-multiprocessing.m4
index 53fa8ff..6f8843d 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 613a29e..718275e 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 590a7b1..e6461de 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])
 ])
diff --git a/configure.ac b/configure.ac
index d1fb7f2..5933bb8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,13 +21,14 @@ AM_MAINTAINER_MODE
 
 ## These option are only in here to let --help report all supported
 ## options.
+RTEMS_ENABLE_RTEMSBSP
 RTEMS_ENABLE_MULTIPROCESSING
+RTEMS_ENABLE_SMP
 RTEMS_ENABLE_POSIX
 RTEMS_ENABLE_NETWORKING
 RTEMS_ENABLE_CXX
 RTEMS_ENABLE_TESTS
 RTEMS_ENABLE_RTEMS_DEBUG
-RTEMS_ENABLE_RTEMSBSP
 RTEMS_ENABLE_PARAVIRT
 RTEMS_ENABLE_DRVMGR