This is an awful lot of magic to only be explained in a commit message.
Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
---
CC: Jan Beulich <jbeul...@suse.com>
CC: Roger Pau Monné <roger....@citrix.com>
CC: Ross Lagerwall <ross.lagerw...@citrix.com>
CC: Marek Marczykowski-Górecki <marma...@invisiblethingslab.com>
CC: Daniel P. Smith <dpsm...@apertussolutions.com>
---
xen/arch/x86/efi/Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/xen/arch/x86/efi/Makefile b/xen/arch/x86/efi/Makefile
index c6678652fc98..3e88f552d20b 100644
--- a/xen/arch/x86/efi/Makefile
+++ b/xen/arch/x86/efi/Makefile
@@ -6,6 +6,8 @@ cmd_objcopy_o_ihex = $(OBJCOPY) -I ihex -O binary $< $@
$(obj)/%.o: $(src)/%.ihex FORCE
$(call if_changed,objcopy_o_ihex)
+# buildid.ihex is an empty COFF object. It exists for the side effect it has
+# when linking into xen.efi, causing --build-id to attach a .buildid section.
$(obj)/boot.init.o: $(obj)/buildid.o
$(call cc-option-add,cflags-stack-boundary,CC,-mpreferred-stack-boundary=4)
--
2.39.5
