[OE-core] [PATCH v2 1/1] flex: fix m4 issue on target

[Laurentiu Palcu]

Even though this was in the last C-pull, for some reason, it didn't end
up in master... Didn't see any comments on it either. Or maybe I missed
them...

Thanks,
Laurentiu

On Wed, Nov 06, 2013 at 03:07:58PM +0200, Laurentiu Palcu wrote:
> Flex needs m4 to run (see below) and, since the create_wrapper
> introduces a bash dependency on target, give the path to m4 binary in
> the configure command line.
> 
> Snippet from the flex documentation:
> "The macro processor m4 must be installed wherever flex is installed.
> <...>
> m4 is only required at the time you run flex."
> 
> [YOCTO #5329]
> 
> Signed-off-by: Laurentiu Palcu <laurentiu.palcu at intel.com>
> ---
>  meta/recipes-devtools/flex/flex.inc |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/meta/recipes-devtools/flex/flex.inc b/meta/recipes-devtools/flex/flex.inc
> index 43f1dda..96d5de5 100644
> --- a/meta/recipes-devtools/flex/flex.inc
> +++ b/meta/recipes-devtools/flex/flex.inc
> @@ -13,6 +13,9 @@ inherit autotools gettext
>  M4 = "${bindir}/m4"
>  M4_class-native = "${STAGING_BINDIR_NATIVE}/m4"
>  
> +EXTRA_OECONF += "ac_cv_path_M4=${M4}"
> +EXTRA_OEMAKE += "m4=${STAGING_BINDIR_NATIVE}/m4"
> +
>  do_install_append_class-native() {
>  	create_wrapper ${D}/${bindir}/flex M4=${M4}
>  }
> @@ -20,3 +23,5 @@ do_install_append_class-native() {
>  do_install_append_class-nativesdk() {
>  	create_wrapper ${D}/${bindir}/flex M4=${M4}
>  }
> +
> +RDEPENDS_${PN} += "m4"
> -- 
> 1.7.9.5
> 
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