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powerpc/boot: Check for ld-option support
Commit 579aee9 ("powerpc: suppress some linker warnings in recent linker versions") enabled support to add linker option "--no-warn-rwx-segments", if the version is greater than 2.39. Similar build warning were reported recently from linker version 2.35.2. ld: warning: arch/powerpc/boot/zImage.epapr has a LOAD segment with RWX permissions ld: warning: arch/powerpc/boot/zImage.pseries has a LOAD segment with RWX permissions Fix the warning by checking for "--no-warn-rwx-segments" option support in linker to enable it, instead of checking for the version range. Fixes: 579aee9 ("powerpc: suppress some linker warnings in recent linker versions") Reported-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com> Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu> Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com> Closes: https://lore.kernel.org/linuxppc-dev/61cf556c-4947-4bd6-af63-892fc0966dad@linux.ibm.com/ Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20250401004218.24869-1-maddy@linux.ibm.com
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