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d6dad199a jump label: Fix GCC feature check when distcc is used ... Browse Code »

The following build bug occurs on distcc builds:

CC arch/x86/kernel/asm-offsets.s
In file included from include/linux/module.h:24,
from include/linux/crypto.h:22,
from arch/x86/kernel/asm-offsets_64.c:9,
from arch/x86/kernel/asm-offsets.c:5:
include/trace/events/module.h: In function 'trace_module_load':
include/trace/events/module.h:18: error: expected '(' before 'goto'
include/trace/events/module.h:18: error: expected identifier or '*' before '(' token

It triggers because distcc is invoked by turning $CC into "distcc gcc",
but gcc-goto.sh check script was using $1 not $@ to expand parameters.

Cc: Jason Baron
Cc: Steven Rostedt
LKML-Reference:
Signed-off-by: Ingo Molnar

Ingo Molnar
2010-09-24 15:12:25 +0800

gcc-goto.sh 223 Bytes

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#!/bin/sh
# Test for gcc 'asm goto' suport
# Copyright (C) 2010, Jason Baron <jbaron@redhat.com>

echo "int main(void) { entry: asm goto (\"\"::::entry); return 0; }" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"