Re: [PATCH 1/4] lttng-ust: Integrate into yocto linux

[Darren Hart <dvhart@linux.intel.com>]

On 01/09/2012 01:24 AM, Zumeng Chen wrote:
> This patch intended to integrate the LTTng UST 2.0 package, which
> contains the userspace tracer library to trace userspace codes.
> 
> Signed-off-by: Zumeng Chen <zumeng.chen@windriver.com>
> ---
>  meta/recipes-kernel/lttng-2.0/lttng-ust_1.9.4.bb |   25 ++++++++++++++++++++++
>  1 files changed, 25 insertions(+), 0 deletions(-)
>  create mode 100644 meta/recipes-kernel/lttng-2.0/lttng-ust_1.9.4.bb
> 
> diff --git a/meta/recipes-kernel/lttng-2.0/lttng-ust_1.9.4.bb b/meta/recipes-kernel/lttng-2.0/lttng-ust_1.9.4.bb
> new file mode 100644
> index 0000000..846019e
> --- /dev/null
> +++ b/meta/recipes-kernel/lttng-2.0/lttng-ust_1.9.4.bb
> @@ -0,0 +1,25 @@
> +SUMMARY = "Linux Trace Toolkit Userspace Tracer 2.0"
> +DESCRIPTION = "The LTTng UST 2.0 package contains the userspace tracer library to trace userspace codes."
> +HOMEPAGE = "http://lttng.org/lttng2.0"
> +BUGTRACKER = "n/a"
> +
> +LICENSE = "LGPLv2.1+ & BSD"
> +LIC_FILES_CHKSUM = "file://COPYING;md5=e647752e045a8c45b6f583771bd561ef \
> +                    file://snprintf/snprintf.c;endline=32;md5=d3d544959d8a3782b2e07451be0a903c \
> +                    file://snprintf/various.h;endline=31;md5=89f2509b6b4682c4fc95255eec4abe44"
> +
> +inherit autotools
> +
> +DEPENDS = "liburcu util-linux"
> +
> +SRC_URI = "http://lttng.org/files/lttng-ust/lttng-ust-${PV}.tar.gz"
> +
> +SRC_URI[md5sum] = "0f09bb954c99cb99ab6997cd492953c1"
> +SRC_URI[sha256sum] = "e9ec3c55c2251b3f3b512bfa1015b0f67e35d55793850ccea5134f7b24ee3ba1"
> +
> +S = "${WORKDIR}/lttng-ust-${PV}"
> +
> +# Due to liburcu not building on MIPS currently this recipe needs to
> +# be limited also.
> +# So here let us first suppport x86/arm/powerpc platforms now.
> +COMPATIBLE_HOST = '(x86_64.*|i.86.*|arm.*|powerpc.*)-linux'

Looking through documentation.conf and existing poky sources, I believe
this test is correct. HOST/TARGET are the same in this case. The comment
is a bit confusing however. I believe the comment should read:

# liburcu doesn't build for MIPS
COMPATIBLE_HOST = '(x86_64.*|i.86.*|arm.*|powerpc.*)-linux'

The key difference being "for" instead of "on". The rest of the comment
is redundant with the assignment itself. This applies to all 4 patches.

Thanks,

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel