Building Linux kernel version 5.4.x with GCC8 ends up with internal compiler error. The workaround on this issue can be introdution of additional compiler option "--mmpy-option=2"
Signed-off-by: Evgeniy Didin <evgeniy.di...@synopsys.com> Cc: Alexey Brodkin <abrod...@synopsys.com> Cc: Petr ??tetiar <yn...@true.cz> Cc: Hauke Mehrtens <ha...@hauke-m.de> Cc: John Crispin <j...@phrozen.org> --- ...h-arc-Add-compiler-option-for-gcc8.4.patch | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 target/linux/archs38/patches-5.4/0001-arch-arc-Add-compiler-option-for-gcc8.4.patch diff --git a/target/linux/archs38/patches-5.4/0001-arch-arc-Add-compiler-option-for-gcc8.4.patch b/target/linux/archs38/patches-5.4/0001-arch-arc-Add-compiler-option-for-gcc8.4.patch new file mode 100644 index 0000000000..a6502009c7 --- /dev/null +++ b/target/linux/archs38/patches-5.4/0001-arch-arc-Add-compiler-option-for-gcc8.4.patch @@ -0,0 +1,26 @@ +From 2e2b3aeda9af9c029bf347c974911fe96cd79c43 Mon Sep 17 00:00:00 2001 +From: Evgeniy Didin <di...@synopsys.com> +Date: Mon, 23 Mar 2020 15:57:18 +0300 +Subject: [PATCH] arch/arc: Add compiler option for gcc8.4 + +Signed-off-by: Evgeniy Didin <di...@synopsys.com> +--- + arch/arc/Makefile | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/arch/arc/Makefile b/arch/arc/Makefile +index f1c44cccf8d6..806ec4a9e80a 100644 +--- a/arch/arc/Makefile ++++ b/arch/arc/Makefile +@@ -11,7 +11,7 @@ endif + + cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__ + cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7 +-cflags-$(CONFIG_ISA_ARCV2) += -mcpu=hs38 ++cflags-$(CONFIG_ISA_ARCV2) += -mcpu=hs38 -mmpy-option=2 + + ifdef CONFIG_ARC_CURR_IN_REG + # For a global register defintion, make sure it gets passed to every file +-- +2.23.0 + -- 2.23.0
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