[XEN PATCH v5 01/16] build,xsm: Fix multiple call

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

Both script mkflask.sh and mkaccess_vector.sh generates multiple
files. Exploits the 'multi-target pattern rule' trick to call each
scripts only once.

Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
---

Notes:
    v5:
    - Use simpler $(subst ) instead of $(patsubst )
    - moved the patch ahead in the series
    
    v4:
    - new patch

 xen/xsm/flask/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/xsm/flask/Makefile b/xen/xsm/flask/Makefile
index b1fd45421993..f001bb18d4ed 100644
--- a/xen/xsm/flask/Makefile
+++ b/xen/xsm/flask/Makefile
@@ -21,10 +21,10 @@ ALL_H_FILES = $(FLASK_H_FILES) $(AV_H_FILES)
 
 $(obj-y) ss/built_in.o: $(ALL_H_FILES)
 
-$(FLASK_H_FILES): $(FLASK_H_DEPEND)
+$(subst include/,%/,$(FLASK_H_FILES)): $(FLASK_H_DEPEND)
        $(CONFIG_SHELL) policy/mkflask.sh $(AWK) include $(FLASK_H_DEPEND)
 
-$(AV_H_FILES): $(AV_H_DEPEND)
+$(subst include/,%/,$(AV_H_FILES)): $(AV_H_DEPEND)
        $(CONFIG_SHELL) policy/mkaccess_vector.sh $(AWK) $(AV_H_DEPEND)
 
 obj-bin-$(CONFIG_XSM_FLASK_POLICY) += flask-policy.o
-- 
Anthony PERARD