[xen stable-4.12] build,xsm: fix multiple call

[patchbot@xxxxxxx]

commit e6a2681148382e9227f54b70a5df8e895914c877
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Mon Apr 27 15:58:42 2020 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Apr 27 15:58:42 2020 +0200

    build,xsm: fix multiple call
    
    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>
    master commit: 52f3f319851e40892fbafeae53e512c7d61f03d0
    master date: 2020-04-23 09:59:05 +0200
---
 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 f5ffab1226..f5b378f3ac 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-$(CONFIG_XSM_FLASK_POLICY) += policy.o
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.12