riscv: kexec: do not add '-mno-relax' flag if compiler doesn't suppor…

…t it The RISC-V special option '-mno-relax' which to disable linker relaxations is supported by GCC8+. For GCC7 and lower versions do not support this option. Fixes: fba8a86 ("RISC-V: Add kexec support") Signed-off-by: Changbin Du <[email protected]> Cc: [email protected] Signed-off-by: Palmer Dabbelt <[email protected]>
josf · Aug 12, 2021 · 030d6db · 030d6db
1 parent 867432b
commit 030d6db
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
@@ -11,7 +11,7 @@ endif
 CFLAGS_syscall_table.o	+= $(call cc-option,-Wno-override-init,)
 
 ifdef CONFIG_KEXEC
-AFLAGS_kexec_relocate.o := -mcmodel=medany -mno-relax
+AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax)
 endif
 
 extra-y += head.o