[Xen-devel] [PATCH] EFI: don't repeatedly replace symlinks

["Jan Beulich" <JBeulich@xxxxxxxx>]

Once created there's no point re-creating them on every incremental
make. This in particular prevents them from becoming root-owned during
e.g. "sudo make install-xen", but it also allows (during development)
to replace them there (instead of in common/efi/) by actual files with
perhaps slightly changed contents.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
Note that the root-owned issue also exists for the various .*.d2 files.

--- a/xen/Makefile
+++ b/xen/Makefile
@@ -137,7 +137,9 @@ $(TARGET): delete-unfresh-files
        $(MAKE) -f $(BASEDIR)/Rules.mk include/xen/compile.h
        [ -e include/asm ] || ln -sf asm-$(TARGET_ARCH) include/asm
        [ -e arch/$(TARGET_ARCH)/efi ] && for f in boot.c runtime.c compat.c 
efi.h;\
-               do ln -nsf ../../../common/efi/$$f arch/$(TARGET_ARCH)/efi/; 
done;\
+               do test -r arch/$(TARGET_ARCH)/efi/$$f || \
+                  ln -nsf ../../../common/efi/$$f arch/$(TARGET_ARCH)/efi/; \
+               done; \
                true
        $(MAKE) -f $(BASEDIR)/Rules.mk -C include
        $(MAKE) -f $(BASEDIR)/Rules.mk -C arch/$(TARGET_ARCH) asm-offsets.s



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