[Buildroot] [git commit] xenomai: Add config for enabling/disabling SMP
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Wed Apr 12 20:59:56 UTC 2017
commit: https://git.buildroot.net/buildroot/commit/?id=36c229d65d34eeedd74434ee8625db88f93c973e
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master
Add a config option for enabling/disabling SMP
in Xenomai userspace in version 3.x
Enabled by default.
Signed-off-by: Pawel Sikora <sikor6 at gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
Reviewed-by: Thomas De Schampheleire <thomas.de_schampheleire at nokia.com>
[Thomas: implement minor tweaks suggested by Thomas DS.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
package/xenomai/Config.in | 18 ++++++++++++++++++
package/xenomai/xenomai.mk | 6 ++++++
2 files changed, 24 insertions(+)
diff --git a/package/xenomai/Config.in b/package/xenomai/Config.in
index 324f502..8acf579 100644
--- a/package/xenomai/Config.in
+++ b/package/xenomai/Config.in
@@ -78,6 +78,24 @@ config BR2_PACKAGE_XENOMAI_COBALT
in the Linux Kernel Extensions menu.
endchoice
+config BR2_PACKAGE_XENOMAI_ENABLE_SMP
+ bool "Enable SMP support"
+ default y
+ help
+ This option enables SMP support in Xenomai userspace.
+
+ If this option is turned on while no SMP support is enabled
+ in the kernel, things will still work. However, if SMP is
+ enabled in the kernel but this option is not turned on,
+ Xenomai applications will complain with:
+
+ feature mismatch: missing="smp/nosmp"
+
+ Please refer to this troubleshooting guide for more
+ information:
+
+ http://xenomai.org/troubleshooting-a-dual-kernel-configuration/#feature_mismatch_missing8221smpnosmp8221
+
config BR2_PACKAGE_XENOMAI_TESTSUITE
bool "Install testsuite"
help
diff --git a/package/xenomai/xenomai.mk b/package/xenomai/xenomai.mk
index 73d9617..bd147a9 100644
--- a/package/xenomai/xenomai.mk
+++ b/package/xenomai/xenomai.mk
@@ -29,6 +29,12 @@ else
XENOMAI_CONF_OPTS += --with-core=cobalt
endif
+ifeq ($(BR2_PACKAGE_XENOMAI_ENABLE_SMP),y)
+XENOMAI_CONF_OPTS += --enable-smp
+else
+XENOMAI_CONF_OPTS += --disable-smp
+endif
+
define XENOMAI_REMOVE_DEVFILES
for i in xeno-config xeno-info wrap-link.sh ; do \
rm -f $(TARGET_DIR)/usr/bin/$$i ; \
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