[PATCH] perf: Disable libunwind for ARC & RISCV64

[PATCH] perf: Disable libunwind for ARC & RISCV64

[Alexey Brodkin]

libunwind is not yet ported for ARC & RISCV64 and on attempt
to build it for those arches we just get an error message.

If we explicitly disable libunwind it is gracefully handled by
perf build system and it just gets configured to not use it
so perf is still usable even on those arches.

Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
Cc: Khem Raj <raj.khem at gmail.com>
---
 meta/recipes-kernel/perf/perf.bb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index af099043e1..bae4948751 100644
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -26,6 +26,10 @@ PACKAGECONFIG[jvmti] = ",NO_JVMTI=1"
 PACKAGECONFIG[audit] = ",NO_LIBAUDIT=1,audit"
 PACKAGECONFIG[manpages] = ",,xmlto-native asciidoc-native"
 
+# libunwind is not yet ported for some architectures
+PACKAGECONFIG_remove_arc = "libunwind"
+PACKAGECONFIG_remove_riscv64 = "libunwind"
+
 DEPENDS = " \
     virtual/${MLPREFIX}libc \
     ${MLPREFIX}elfutils \
-- 
2.16.2

[PATCH] perf: Disable libunwind for ARC & RISCV64

[Alexey Brodkin]

libunwind is not yet ported for ARC & RISCV64 and on attempt
to build it for those arches we just get an error message.

If we explicitly disable libunwind it is gracefully handled by
perf build system and it just gets configured to not use it
so perf is still usable even on those arches.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Khem Raj <raj.khem@gmail.com>
---
 meta/recipes-kernel/perf/perf.bb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index af099043e1..bae4948751 100644
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -26,6 +26,10 @@ PACKAGECONFIG[jvmti] = ",NO_JVMTI=1"
 PACKAGECONFIG[audit] = ",NO_LIBAUDIT=1,audit"
 PACKAGECONFIG[manpages] = ",,xmlto-native asciidoc-native"
 
+# libunwind is not yet ported for some architectures
+PACKAGECONFIG_remove_arc = "libunwind"
+PACKAGECONFIG_remove_riscv64 = "libunwind"
+
 DEPENDS = " \
     virtual/${MLPREFIX}libc \
     ${MLPREFIX}elfutils \
-- 
2.16.2

Re: [PATCH] perf: Disable libunwind for ARC & RISCV64

[Khem Raj]

[-- Attachment #1: Type: text/plain, Size: 1255 bytes --]

On Wed, Oct 31, 2018 at 11:54 AM Alexey Brodkin <alexey.brodkin@synopsys.com>
wrote:

> libunwind is not yet ported for ARC & RISCV64 and on attempt
> to build it for those arches we just get an error message.
>
> If we explicitly disable libunwind it is gracefully handled by
> perf build system and it just gets configured to not use it
> so perf is still usable even on those arches.
>

This looks ok to me

>
> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
> Cc: Khem Raj <raj.khem@gmail.com>
> ---
>  meta/recipes-kernel/perf/perf.bb | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/
> perf.bb
> index af099043e1..bae4948751 100644
> --- a/meta/recipes-kernel/perf/perf.bb
> +++ b/meta/recipes-kernel/perf/perf.bb
> @@ -26,6 +26,10 @@ PACKAGECONFIG[jvmti] = ",NO_JVMTI=1"
>  PACKAGECONFIG[audit] = ",NO_LIBAUDIT=1,audit"
>  PACKAGECONFIG[manpages] = ",,xmlto-native asciidoc-native"
>
> +# libunwind is not yet ported for some architectures
> +PACKAGECONFIG_remove_arc = "libunwind"
> +PACKAGECONFIG_remove_riscv64 = "libunwind"
> +
>  DEPENDS = " \
>      virtual/${MLPREFIX}libc \
>      ${MLPREFIX}elfutils \
> --
> 2.16.2
>
>

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