perf: fix Makefile check for libdward
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From: Masami Hiramatsu on 17 May 2010 15:30 Hi Stephane, Stephane Eranian wrote: > On Ubuntu 9.10, the elfutils/libdw package is 0.141, yet it is > not sufficient to compile util/probe-finder.c as it uses a type, > namely Dwarf_CFI, which is introduced sometime after version 0.141. > > This patch updates the libdwarf test in the Makefile to check > for the definition of Dwarf_CFI. If is is not there, the test > fails and dwarf support is disabled. > > It is not clear to me which version introduces Dwarf_CFI, > thus I adjusted the version message to 0.142, could be more > recent. Yeah, I see. I had sent a fix patch which just ignores Dwarf_CFI related code if the libdw version is younger than supporting it. Could you try the patch here? https://patchwork.kernel.org/patch/98216/ Thank you, -- Masami Hiramatsu e-mail: mhiramat(a)redhat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Stephane Eranian on 17 May 2010 15:40
On Mon, May 17, 2010 at 9:24 PM, Masami Hiramatsu <mhiramat(a)redhat.com> wrote: > Hi Stephane, > > Stephane Eranian wrote: >> On Ubuntu 9.10, the elfutils/libdw package is 0.141, yet it is >> not sufficient to compile util/probe-finder.c as it uses a type, >> namely Dwarf_CFI, which is introduced sometime after version 0.141. >> >> This patch updates the libdwarf test in the Makefile to check >> for the definition of Dwarf_CFI. If is is not there, the test >> fails and dwarf support is disabled. >> >> It is not clear to me which version introduces Dwarf_CFI, >> thus I adjusted the version message to 0.142, could be more >> recent. > > Yeah, I see. I had sent a fix patch which just ignores Dwarf_CFI > related code if the libdw version is younger than supporting it. > Could you try the patch here? > Does compile now on Ubuntu 9.10 (Karmic). Thanks. > https://patchwork.kernel.org/patch/98216/ > > Thank you, > > -- > Masami Hiramatsu > e-mail: mhiramat(a)redhat.com > -- Stephane Eranian | EMEA Software Engineering Google France | 38 avenue de l'Opéra | 75002 Paris Tel : +33 (0) 1 42 68 53 00 This email may be confidential or privileged. If you received this communication by mistake, please don't forward it to anyone else, please erase all copies and attachments, and please let me know that it went to the wrong person. Thanks -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |