File reproducible.patch of Package xen

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File reproducible.patch of Package xen (Revision 50928686993eb16c6d1f9cd0b71d1140)

Currently displaying revision 50928686993eb16c6d1f9cd0b71d1140 , Show latest

commit e4c8f21e198e739e279b274c17e9246ea9a6d8e5
Author: Bernhard M. Wiedemann <bwiedemann@suse.de>
Date:   Wed Oct 24 09:50:26 2018 +0200

x86/efi: Do not insert timestamps in efi files
    
    in order to make builds reproducible.
    See https://reproducible-builds.org/ for why this is good.
    
    We only add the option, if ld understands it.
    
    Signed-off-by: Bernhard M. Wiedemann <bwiedemann@suse.de>

Index: xen-4.13.5-testing/Config.mk
===================================================================
--- xen-4.13.5-testing.orig/Config.mk
+++ xen-4.13.5-testing/Config.mk
@@ -163,6 +163,14 @@ export XEN_HAS_BUILD_ID=y
 build_id_linker := --build-id=sha1
 endif
 
+ld-ver-timestamp = $(shell $(1) -mi386pep --no-insert-timestamp 2>&1 | \
+				grep -q no-insert-timestamp && echo n || echo y)
+ifeq ($(call ld-ver-timestamp,$(LD)),n)
+ld_no_insert_timestamp :=
+else
+ld_no_insert_timestamp := --no-insert-timestamp
+endif
+
 ifndef XEN_HAS_CHECKPOLICY
     CHECKPOLICY ?= checkpolicy
     XEN_HAS_CHECKPOLICY := $(shell $(CHECKPOLICY) -h 2>&1 | grep -q xen && echo y || echo n)
Index: xen-4.13.5-testing/xen/arch/x86/Makefile
===================================================================
--- xen-4.13.5-testing.orig/xen/arch/x86/Makefile
+++ xen-4.13.5-testing/xen/arch/x86/Makefile
@@ -166,6 +166,7 @@ note.o: $(TARGET)-syms
 
 EFI_LDFLAGS = $(patsubst -m%,-mi386pep,$(LDFLAGS)) --subsystem=10
 EFI_LDFLAGS += --image-base=$(1) --stack=0,0 --heap=0,0 --strip-debug
+EFI_LDFLAGS += $(ld_no_insert_timestamp)
 EFI_LDFLAGS += --section-alignment=0x200000 --file-alignment=0x20
 EFI_LDFLAGS += --major-image-version=$(XEN_VERSION)
 EFI_LDFLAGS += --minor-image-version=$(XEN_SUBVERSION)

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File reproducible.patch of Package xen (Revision 50928686993eb16c6d1f9cd0b71d1140)

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