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[xen stable-4.14] x86/EFI: work around GNU ld 2.36 issue



commit 73a269624b5b6625344af97269f480c4ff426508
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Fri Mar 5 15:31:12 2021 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Mar 5 15:31:12 2021 +0100

    x86/EFI: work around GNU ld 2.36 issue
    
    Our linker capability check fails with the recent binutils release's ld:
    
    .../check.o:(.debug_aranges+0x6): relocation truncated to fit: R_X86_64_32 
against `.debug_info'
    .../check.o:(.debug_info+0x6): relocation truncated to fit: R_X86_64_32 
against `.debug_abbrev'
    .../check.o:(.debug_info+0xc): relocation truncated to fit: R_X86_64_32 
against `.debug_str'+76
    .../check.o:(.debug_info+0x11): relocation truncated to fit: R_X86_64_32 
against `.debug_str'+d
    .../check.o:(.debug_info+0x15): relocation truncated to fit: R_X86_64_32 
against `.debug_str'+2b
    .../check.o:(.debug_info+0x29): relocation truncated to fit: R_X86_64_32 
against `.debug_line'
    .../check.o:(.debug_info+0x30): relocation truncated to fit: R_X86_64_32 
against `.debug_str'+19
    .../check.o:(.debug_info+0x37): relocation truncated to fit: R_X86_64_32 
against `.debug_str'+71
    .../check.o:(.debug_info+0x3e): relocation truncated to fit: R_X86_64_32 
against `.debug_str'
    .../check.o:(.debug_info+0x45): relocation truncated to fit: R_X86_64_32 
against `.debug_str'+5e
    .../check.o:(.debug_info+0x4c): additional relocation overflows omitted 
from the output
    
    Tell the linker to strip debug info as a workaround. Debug info has been
    getting stripped already anyway when linking the actual xen.efi.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: f4318db940c39cc656128fcf72df3e79d2e55bc1
    master date: 2021-02-05 14:09:42 +0100
---
 xen/arch/x86/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/Makefile b/xen/arch/x86/Makefile
index 26ff2a9a3e..7216bd7b68 100644
--- a/xen/arch/x86/Makefile
+++ b/xen/arch/x86/Makefile
@@ -176,7 +176,7 @@ EFI_LDFLAGS += --major-subsystem-version=2 
--minor-subsystem-version=0
 # Check if the compiler supports the MS ABI.
 export XEN_BUILD_EFI := $(shell $(CC) $(XEN_CFLAGS) -c efi/check.c -o 
efi/check.o 2>/dev/null && echo y)
 # Check if the linker supports PE.
-XEN_BUILD_PE := $(if $(XEN_BUILD_EFI),$(shell $(LD) -mi386pep --subsystem=10 
-o efi/check.efi efi/check.o 2>/dev/null && echo y))
+XEN_BUILD_PE := $(if $(XEN_BUILD_EFI),$(shell $(LD) -mi386pep --subsystem=10 
-S -o efi/check.efi efi/check.o 2>/dev/null && echo y))
 CFLAGS-$(XEN_BUILD_EFI) += -DXEN_BUILD_EFI
 
 $(TARGET).efi: VIRT_BASE = 0x$(shell $(NM) efi/relocs-dummy.o | sed -n 's, A 
VIRT_START$$,,p')
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.14



 


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