From: Arnd Bergmann Date: Mon, 18 Oct 2021 14:30:02 +0000 (+0100) Subject: ARM: 9146/1: RiscPC needs older gcc version X-Git-Tag: v6.1-rc5~2761^2^3~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2abd6e34fcf3bd9f9ffafcaa47cdc3ed443f9add;p=platform%2Fkernel%2Flinux-starfive.git ARM: 9146/1: RiscPC needs older gcc version Attempting to build mach-rpc with gcc-9 or higher, or with any version of clang results in a build failure, like: arm-linux-gnueabi-gcc-11.1.0: error: unrecognized -march target: armv3m arm-linux-gnueabi-gcc-11.1.0: note: valid arguments are: armv4 armv4t armv5t armv5te armv5tej armv6 armv6j armv6k armv6z armv6kz armv6zk armv6t2 armv6-m armv6s-m armv7 armv7-a armv7ve armv7-r armv7-m armv7e-m armv8-a armv8.1-a armv8.2-a armv8.3-a armv8.4-a armv8.5-a armv8.6-a armv8-m.base armv8-m.main armv8-r armv8.1-m.main iwmmxt iwmmxt2; did you mean 'armv4'? Building with gcc-5 also fails in at least one of these ways: /tmp/cczZoCcv.s:68: Error: selected processor does not support `bx lr' in ARM mode drivers/tty/vt/vt_ioctl.c:958:1: internal compiler error: Segmentation fault Handle this in Kconfig so we don't run into this with randconfig builds, allowing only gcc-6 through gcc-8. Signed-off-by: Arnd Bergmann Signed-off-by: Russell King (Oracle) --- diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5fdb4a1..ec317bc 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -434,6 +434,7 @@ config ARCH_PXA config ARCH_RPC bool "RiscPC" depends on MMU + depends on !CC_IS_CLANG && GCC_VERSION < 90100 && GCC_VERSION >= 60000 select ARCH_ACORN select ARCH_MAY_HAVE_PC_FDC select ARCH_SPARSEMEM_ENABLE