[oe] [meta-oe][PATCH 1/1] ktap: add configs for elfutils and ffi

[Martin Jansa]

On Tue, Jan 07, 2014 at 01:39:49PM +0100, Anders Darander wrote:
> libelf (elfutils) is required for resolving symbols in DSO and for sdt (taken
> from ktap docs). The earlier v0.4 recipe built ktap against libelf if it was
> found, thus enable it per default.
> 
> FFI needs to be enabled for both userspace and kernel module. Currently, it is
> only supported for x86_64 (enforced when building ktap-module).
> 
> Signed-off-by: Anders Darander <anders at chargestorm.se>
> ---
>  meta-oe/recipes-kernel/ktap/ktap-module_0.4.bb |  5 ++++-
>  meta-oe/recipes-kernel/ktap/ktap.inc           |  2 ++
>  meta-oe/recipes-kernel/ktap/ktap_0.4.bb        | 12 +++++++++++-
>  3 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/meta-oe/recipes-kernel/ktap/ktap-module_0.4.bb b/meta-oe/recipes-kernel/ktap/ktap-module_0.4.bb
> index 12167ea..ce6885c 100644
> --- a/meta-oe/recipes-kernel/ktap/ktap-module_0.4.bb
> +++ b/meta-oe/recipes-kernel/ktap/ktap-module_0.4.bb
> @@ -6,8 +6,11 @@ DESCRIPTION = "KTAP is a scripting dynamic tracing tool for Linux"
>  
>  inherit module
>  
> +# Available package configs: ffi (only supported on x86_64)
> +PACKAGECONFIG ?= ""
> +
>  # Only build the module
> -MAKE_TARGETS = "mod"
> +MAKE_TARGETS = "${@base_contains('PACKAGECONFIG', 'ffi', 'FFI=1', '', d)} mod"
>  
>  # Kernel module packages MUST begin with 'kernel-module-', otherwise
>  # multilib image generation can fail.
> diff --git a/meta-oe/recipes-kernel/ktap/ktap.inc b/meta-oe/recipes-kernel/ktap/ktap.inc
> index 7e60453..93a4e2c 100644
> --- a/meta-oe/recipes-kernel/ktap/ktap.inc
> +++ b/meta-oe/recipes-kernel/ktap/ktap.inc
> @@ -9,3 +9,5 @@ SRC_URI = "git://github.com/ktap/ktap.git"
>  
>  S = "${WORKDIR}/git"
>  
> +# Package config is abused as a general compile time configuration tool.
> +PACKAGECONFIG[ffi] = ""
> diff --git a/meta-oe/recipes-kernel/ktap/ktap_0.4.bb b/meta-oe/recipes-kernel/ktap/ktap_0.4.bb
> index f5dd62f..a703aec 100644
> --- a/meta-oe/recipes-kernel/ktap/ktap_0.4.bb
> +++ b/meta-oe/recipes-kernel/ktap/ktap_0.4.bb
> @@ -5,8 +5,18 @@ require ktap.inc
>  SUMMARY = "KTAP is a scripting dynamic tracing tool for Linux"
>  DEPENDS = "ktap-module"
>  
> +#Available package configs:
> +# libelf - needed to resolve symbols in DSO and for sdt
> +# ffi    - only supports x86_64 for now!. Needs to be enabled for ktap-module too.
> +PACKAGECONFIG ?= "libelf"
> +
> +PACKAGECONFIG[libelf] = ",,elfutils"
> +PACKAGECONFIG[ffi] = ""

This line is already in ktap.inc

Otherwise looks good, I like deterministic shiny things.

> +
>  # Only build the userspace app
> -EXTRA_OEMAKE = "ktap"
> +EXTRA_OEMAKE = "${@base_contains('PACKAGECONFIG', 'libelf', '', 'NO_LIBELF=1', d)} \
> +             ${@base_contains('PACKAGECONFIG', 'ffi', 'FFI=1', '', d)} \
> +             ktap"
>  
>  do_install() {
>      install -d ${D}${bindir}
> -- 
> 1.8.5.2
> 
> _______________________________________________
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> Openembedded-devel at lists.openembedded.org
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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