Re: 4.0-rc1 perf build error "builtin-kmem.c:322: error: declaration of âstatâ shadows a global declaration"

From: David Ahern
Date: Fri Apr 24 2015 - 09:54:57 EST


On 4/23/15 6:38 PM, Vinson Lee wrote:
Hi.

4.0-rc1 commit 0d68bc92c48167130b61b449f08be27dc862dba2 "perf kmem:
Analyze page allocator events also" introduced a build error with
older toolchains.

For example, this build errors occurs on CentOS 6.

CC builtin-kmem.o
cc1: warnings being treated as errors
builtin-kmem.c: In function âsearch_page_alloc_statâ:
builtin-kmem.c:322: error: declaration of âstatâ shadows a global declaration
/usr/include/sys/stat.h:455: error: shadowed declaration is here
builtin-kmem.c: In function âperf_evsel__process_page_alloc_eventâ:
builtin-kmem.c:378: error: declaration of âstatâ shadows a global declaration
/usr/include/sys/stat.h:455: error: shadowed declaration is here
builtin-kmem.c: In function âperf_evsel__process_page_free_eventâ:
builtin-kmem.c:431: error: declaration of âstatâ shadows a global declaration
/usr/include/sys/stat.h:455: error: shadowed declaration is here

Fixed in Arnaldo's core branch; he will push to urgent and Ingo soon.

David

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