[Xen-changelog] [xen master] hvmloader: add knob for fixed SMBIOS date string

[patchbot@xxxxxxx]

commit b9245b75bbd78c4c3eedfe1019bb1664c2edce74
Author:     Olaf Hering <olaf@xxxxxxxxx>
AuthorDate: Wed Apr 1 13:28:34 2015 +0000
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Thu Apr 2 10:46:10 2015 +0100

    hvmloader: add knob for fixed SMBIOS date string
    
    To allow reproducible builds of hvmloader introduce a make variable
    SMBIOS_REL_DATE=mm/dd/yyyy to provide a fixed date string. Without this
    change the hvmloader binary changes with every rebuild.
    
    Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Cc: Keir Fraser <keir@xxxxxxx>
    Cc: Jan Beulich <jbeulich@xxxxxxxx>
    Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
    Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
    Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
    Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 INSTALL                           |    1 +
 tools/firmware/hvmloader/Makefile |    5 ++++-
 2 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/INSTALL b/INSTALL
index 1ed44bb..bf412ef 100644
--- a/INSTALL
+++ b/INSTALL
@@ -216,6 +216,7 @@ into the binaries. To allow reproducible builds the 
following variables
 can be used to provide fixed timestamps in the expected format.
 XEN_BUILD_DATE=<output of date(1)>
 XEN_BUILD_TIME=hh:mm:ss
+SMBIOS_REL_DATE=mm/dd/yyyy
 
 The following variables can be used to tweak some aspects of the
 hypervisor build.
diff --git a/tools/firmware/hvmloader/Makefile 
b/tools/firmware/hvmloader/Makefile
index cf967fd..34008d2 100644
--- a/tools/firmware/hvmloader/Makefile
+++ b/tools/firmware/hvmloader/Makefile
@@ -26,6 +26,9 @@ SUBDIRS := acpi
 # The HVM loader is started in 32-bit mode at the address below:
 LOADADDR = 0x100000
 
+# SMBIOS spec requires format mm/dd/yyyy
+SMBIOS_REL_DATE ?= $(shell date +%m/%d/%Y)
+
 CFLAGS += $(CFLAGS_xeninclude)
 
 OBJS  = hvmloader.o mp_tables.o util.o smbios.o 
@@ -88,7 +91,7 @@ all: subdirs-all
        $(MAKE) hvmloader
 
 ovmf.o rombios.o seabios.o hvmloader.o: roms.inc
-smbios.o: CFLAGS += -D__SMBIOS_DATE__="\"$(shell date +%m/%d/%Y)\""
+smbios.o: CFLAGS += -D__SMBIOS_DATE__="$(SMBIOS_REL_DATE)"
 
 hvmloader: $(OBJS) acpi/acpi.a
        $(LD) $(LDFLAGS_DIRECT) -N -Ttext $(LOADADDR) -o hvmloader.tmp $^
--
generated by git-patchbot for /home/xen/git/xen.git#master

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