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Date: Sat, 17 Oct 2009 10:05:57 GMT From: tip-bot for Masami Hiramatsu <mhiramat@...hat.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, paulus@...ba.org, acme@...hat.com, hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl, fweisbec@...il.com, rostedt@...dmis.org, tglx@...utronix.de, mhiramat@...hat.com, mingo@...e.hu Subject: [tip:perf/probes] perf: Check libdwarf APIs for perf probe Commit-ID: 4c20194c2de151bca14224ae384b47abf7636a95 Gitweb: http://git.kernel.org/tip/4c20194c2de151bca14224ae384b47abf7636a95 Author: Masami Hiramatsu <mhiramat@...hat.com> AuthorDate: Fri, 16 Oct 2009 20:07:52 -0400 Committer: Ingo Molnar <mingo@...e.hu> CommitDate: Sat, 17 Oct 2009 09:53:59 +0200 perf: Check libdwarf APIs for perf probe Check libdwarf APIs for perf probe in tools/perf/Makefile. Since dwarf_get_ranges() has been added from libdwarf 20081231 (and it's the newest function used in probe-finder.c), this just checks whether the function is defined. Signed-off-by: Masami Hiramatsu <mhiramat@...hat.com> Cc: Frederic Weisbecker <fweisbec@...il.com> Cc: Arnaldo Carvalho de Melo <acme@...hat.com> Cc: Steven Rostedt <rostedt@...dmis.org> Cc: Paul Mackerras <paulus@...ba.org> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl> LKML-Reference: <20091017000752.16556.92051.stgit@...p-100-2-132.bos.redhat.com> Signed-off-by: Ingo Molnar <mingo@...e.hu> --- tools/perf/Makefile | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 52b1f43..03c27b9 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -420,8 +420,8 @@ ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel); endif -ifneq ($(shell sh -c "(echo '\#include <libdwarf/dwarf.h>'; echo '\#include <libdwarf/libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) - msg := $(warning No libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel); +ifneq ($(shell sh -c "(echo '\#include <libdwarf/dwarf.h>'; echo '\#include <libdwarf/libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) + msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231); BASIC_CFLAGS += -DNO_LIBDWARF else EXTLIBS += -lelf -ldwarf -- 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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