Avoid depending on Makefile but still allow to rebuild the banner when
$(XEN_FULLVERSION) changes.
Also add a dependency on tools/xen.flf, even if not expected to
change.
Signed-off-by: Anthony PERARD <anthony.per...@citrix.com>
---
xen/Makefile | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/xen/Makefile b/xen/Makefile
index 7e3e4c42d77b..267ae77aef7a 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -399,13 +399,19 @@ delete-unfresh-files:
rm -f include/xen/compile.h; \
fi
-.banner: Makefile
- @if which figlet >/dev/null 2>&1 ; then \
- echo " Xen $(XEN_FULLVERSION)" | figlet -f tools/xen.flf >
$@.tmp; \
- else \
- echo " Xen $(XEN_FULLVERSION)" > $@.tmp; \
- fi
- @mv -f $@.tmp $@
+quiet_cmd_banner = BANNER $@
+define cmd_banner
+ if which figlet >/dev/null 2>&1 ; then \
+ echo " Xen $(XEN_FULLVERSION)" | figlet -f $< > $@.tmp; \
+ else \
+ echo " Xen $(XEN_FULLVERSION)" > $@.tmp; \
+ fi; \
+ mv -f $@.tmp $@
+endef
+
+.banner: tools/xen.flf FORCE
+ $(call if_changed,banner)
+targets += .banner
# compile.h contains dynamic build info. Rebuilt on every 'make' invocation.
include/xen/compile.h: include/xen/compile.h.in .banner
--
Anthony PERARD
