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[PATCH v3 3/7] pc-bios/s390-ccw/Makefile: Use -z noexecstack to silence

From: Thomas Huth
Subject: [PATCH v3 3/7] pc-bios/s390-ccw/Makefile: Use -z noexecstack to silence linker warning
Date: Thu, 29 Jun 2023 12:48:17 +0200

Recent versions of ld complain when linking the s390-ccw bios:

 /usr/bin/ld: warning: start.o: missing .note.GNU-stack section implies
              executable stack
 /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in
              a future version of the linker

We can silence the warning by telling the linker to mark the stack
as not executable.

Message-Id: <20230622130822.396793-1-thuth@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
 pc-bios/s390-ccw/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile
index 2e8cc015aa..acfcd1e71a 100644
--- a/pc-bios/s390-ccw/Makefile
+++ b/pc-bios/s390-ccw/Makefile
@@ -55,7 +55,7 @@ config-cc.mak: Makefile
            $(call cc-option,-march=z900,-march=z10)) 3> config-cc.mak
 -include config-cc.mak
-LDFLAGS += -Wl,-pie -nostdlib
+LDFLAGS += -Wl,-pie -nostdlib -z noexecstack
 build-all: s390-ccw.img s390-netboot.img

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