[kvm-unit-tests PATCH 2/2] Link with "-z noexecstack" to avoid warning from newer versions of ld

Thomas Huth thuth at redhat.com
Fri Jun 23 22:54:16 AEST 2023


Newer versions of ld (from binutils 2.40) complain on s390x and x86:

 ld: warning: s390x/cpu.o: missing .note.GNU-stack section implies
              executable stack
 ld: NOTE: This behaviour is deprecated and will be removed in a
           future version of the linker

We can silence these warnings by using "-z noexecstack" for linking
(which should not have any real influence on the kvm-unit-tests since
the information from the ELF header is not used here anyway, so it's
just cosmetics).

Signed-off-by: Thomas Huth <thuth at redhat.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 0e5d85a1..20f7137c 100644
--- a/Makefile
+++ b/Makefile
@@ -96,7 +96,7 @@ CFLAGS += -Woverride-init -Wmissing-prototypes -Wstrict-prototypes
 
 autodepend-flags = -MMD -MF $(dir $*).$(notdir $*).d
 
-LDFLAGS += -nostdlib
+LDFLAGS += -nostdlib -z noexecstack
 
 $(libcflat): $(cflatobjs)
 	$(AR) rcs $@ $^
-- 
2.39.3



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