[xen master] compat: add header guard to xlat.h

[patchbot@xxxxxxx]

commit a0f56da94c3e2d4e077a749ddaace8536c3037fc
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jun 4 12:13:19 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 4 12:13:19 2025 +0200

    compat: add header guard to xlat.h
    
    This is to conform with Misra C:2012 Directive 4.10.
    
    Reported-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/include/Makefile | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/xen/include/Makefile b/xen/include/Makefile
index 41b985f4d1..e71f419e8c 100644
--- a/xen/include/Makefile
+++ b/xen/include/Makefile
@@ -105,9 +105,14 @@ xlat-y := $(shell sed -ne 's,@arch@,$(compat-arch-y),g' 
-re 's,^[?!][[:blank:]]+
 xlat-y := $(filter $(patsubst compat/%,%,$(headers-y)),$(xlat-y))
 
 quiet_cmd_xlat_h = GEN     $@
-cmd_xlat_h = \
-       cat $(filter %.h,$^) >$@.new; \
-       mv -f $@.new $@
+define cmd_xlat_h
+    echo "#ifndef COMPAT_XLAT_H" >$@.new; \
+    echo "#define COMPAT_XLAT_H" >>$@.new; \
+    cat $(filter %.h,$^) >>$@.new; \
+    echo "" >>$@.new; \
+    echo "#endif /* COMPAT_XLAT_H */" >>$@.new; \
+    mv -f $@.new $@
+endef
 
 $(obj)/compat/xlat.h: $(addprefix $(obj)/compat/.xlat/,$(xlat-y)) FORCE
        $(call if_changed,xlat_h)
--
generated by git-patchbot for /home/xen/git/xen.git#master