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Date: Fri, 31 Aug 2012 01:15:41 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Michel Lespinasse <walken@...gle.com> Cc: Adrian Hunter <adrian.hunter@...el.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, acme@...hat.com Subject: Re: [PATCH v2 07/12] rbtree: adjust root color in rb_insert_color() only when necessary On Fri, 31 Aug 2012 01:07:24 -0700 Michel Lespinasse <walken@...gle.com> wrote: > On Fri, Aug 31, 2012 at 1:01 AM, Adrian Hunter <adrian.hunter@...el.com> wrote: > > This breaks tools/perf build in linux-next: > > > > ../../lib/rbtree.c: In function 'rb_insert_color': > > ../../lib/rbtree.c:95:9: error: 'true' undeclared (first use in this function) > > ../../lib/rbtree.c:95:9: note: each undeclared identifier is reported only once for each function it appears in > > ../../lib/rbtree.c: In function '__rb_erase_color': > > ../../lib/rbtree.c:216:9: error: 'true' undeclared (first use in this function) > > ../../lib/rbtree.c: In function 'rb_erase': > > ../../lib/rbtree.c:368:2: error: unknown type name 'bool' > > make: *** [util/rbtree.o] Error 1 > > I thought Andrew had a patch > rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation > that fixed this though a Makefile change ? Yup. But it's unclear why we should include the header via the cc command line? From: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Subject: rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation Commit 2cfaf9cc68190c24fdd05e4d104099b3f27c7a44 (rbtree: adjust root color in rb_insert_color() only when necessary) introduces bool type and constants to the rbtree.c, and breaks compilation of tools/perf: ../../lib/rbtree.c: In function `rb_insert_color': ../../lib/rbtree.c:95:9: error: `true' undeclared (first use in this function) ../../lib/rbtree.c:95:9: note: each undeclared identifier is reported only once or each function it appears in ../../lib/rbtree.c: In function `__rb_erase_color': ../../lib/rbtree.c:216:9: error: `true' undeclared (first use in this function) ../../lib/rbtree.c: In function `rb_erase': ../../lib/rbtree.c:368:2: error: unknown type name `bool' make: *** [util/rbtree.o] Error 1 This patch is the easiest solution I can think of. Signed-off-by: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Acked-by: Michel Lespinasse <walken@...gle.com> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> --- tools/perf/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN tools/perf/Makefile~rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation tools/perf/Makefile --- a/tools/perf/Makefile~rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation +++ a/tools/perf/Makefile @@ -806,7 +806,7 @@ $(OUTPUT)ui/browsers/map.o: ui/browsers/ $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $< $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS - $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' -include stdbool.h $< $(OUTPUT)util/parse-events.o: util/parse-events.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-redundant-decls $< _ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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