The idea to this patch is from Patrick Georgi but I reimplemented it from scratch since I can't reach the other box for a few days. It fixes stage0_i586.S assembling on the latest official GNU binutils version. Without this patch the compilation fails with:
AS build/arch/x86/stage0_i586.o /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S: Assembler messages: /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: expecting operand after ','; got nothing /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: missing ')' /Users/stepan/Devel/coreboot-v3/arch/x86/stage0_i586.S:345: Error: expecting operand after ','; got nothing