[xen staging] build/x86: suppress GNU ld 2.39 warning about RWX load segments

[patchbot@xxxxxxx]

commit 3eb1865ae305772b558757904d81951e31de43de
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Aug 11 17:45:12 2022 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Aug 11 17:45:12 2022 +0200

    build/x86: suppress GNU ld 2.39 warning about RWX load segments
    
    Commit 68f5aac012b9 ("build: suppress future GNU ld warning about RWX
    load segments") didn't quite cover all the cases: Apparently I missed
    ones in the building of 32-bit helper objects because of only looking at
    incremental builds (where those wouldn't normally be re-built). Clone
    the workaround there to the specific Makefile in question.
    
    Reported-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/boot/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/x86/boot/Makefile b/xen/arch/x86/boot/Makefile
index a5dd094836..1fb0ca02e8 100644
--- a/xen/arch/x86/boot/Makefile
+++ b/xen/arch/x86/boot/Makefile
@@ -24,6 +24,9 @@ CFLAGS_x86_32 += -I$(srctree)/include
 $(head-srcs:.S=.o): CFLAGS_stack_boundary :=
 $(head-srcs:.S=.o): XEN_CFLAGS := $(CFLAGS_x86_32) -fpic
 
+LDFLAGS_DIRECT-$(call ld-option,--warn-rwx-segments) := --no-warn-rwx-segments
+LDFLAGS_DIRECT += $(LDFLAGS_DIRECT-y)
+
 $(head-srcs): %.S: %.bin
        (od -v -t x $< | tr -s ' ' | awk 'NR > 1 {print s} {s=$$0}' | \
        sed 's/ /,0x/g' | sed 's/,0x$$//' | sed 's/^[0-9]*,/ .long /') >$@
--
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