[OE-core] [PATCH] gdb-cross-canadian: build gdb with python support

[Zhang, Jessica]

Hi Eric,

Can you submit the patch against qt layer or meta-oe instead of oe-core, since python enabled gdb shouldn't be turned on by default in oe-core based on its usage, qtcreator, etc.

Thanks,
Jessica

-----Original Message-----
From: openembedded-core-bounces at lists.openembedded.org [mailto:openembedded-core-bounces at lists.openembedded.org] On Behalf Of Eric Bénard
Sent: Wednesday, December 21, 2011 12:51 AM
To: Patches and discussions about the oe-core layer
Subject: Re: [OE-core] [PATCH] gdb-cross-canadian: build gdb with python support

Le 16/12/2011 15:05, Eric Bénard a écrit :
> * python support is needed for providing finer scripting control
> in gdb, and for remote controling gdb for example from qtcreator
> * gdb/configure tries to autodetect python using python executable
> with --includes --ldflags --exec-prefix to get the right flags
> As it's difficult to achieve in OE's context, we generate a
> script which will return the right values and make gdb's build
> system happy. This idea was taken from the following article :
> http://www.mentby.com/doug-evans-2/python-enabled-gdb-on-windows-and-relocation.html
> * tested using angstrom&  armv7 target&  qtcreator 201005&  2.4.0
>
> Signed-off-by: Eric Bénard<eric at eukrea.com>
> Cc: fcooper at ti.com
> ---
>   meta/recipes-devtools/gdb/gdb-cross-canadian.inc |   20 +++++++++++++++++++-
>   1 files changed, 19 insertions(+), 1 deletions(-)
>
> diff --git a/meta/recipes-devtools/gdb/gdb-cross-canadian.inc b/meta/recipes-devtools/gdb/gdb-cross-canadian.inc
> index ec0748e..e0e6e30 100644
> --- a/meta/recipes-devtools/gdb/gdb-cross-canadian.inc
> +++ b/meta/recipes-devtools/gdb/gdb-cross-canadian.inc
> @@ -4,4 +4,22 @@ DESCRIPTION = "cross-canadian gdb for ${TARGET_ARCH} target - GNU debugger"
>   PN = "gdb-cross-canadian-${TRANSLATED_TARGET_ARCH}"
>   BPN = "gdb"
>
> -DEPENDS = "ncurses-nativesdk expat-nativesdk gettext-nativesdk readline-nativesdk"
> +DEPENDS = "ncurses-nativesdk expat-nativesdk gettext-nativesdk readline-nativesdk python-nativesdk"
> +RDEPENDS += "python-nativesdk-core python-nativesdk-lang python-nativesdk-re \
> +             python-nativesdk-codecs python-nativesdk-netclient"
> +
> +EXTRA_OECONF_append = "--with-python=${WORKDIR}/python"
> +
> +do_configure_prepend() {
> +cat>  ${WORKDIR}/python<<  EOF
> +#! /bin/sh
> +case "\$2" in
> +        --includes) echo "-I${STAGING_DIR}/${HOST_ARCH}-nativesdk${HOST_VENDOR}-${HOST_OS}${exec_prefix}/include/python${PYTHON_BASEVERSION}/" ;;
> +        --ldflags) echo "-L${STAGING_DIR}/${HOST_ARCH}-nativesdk${HOST_VENDOR}-${HOST_OS}${libdir}/python${PYTHON_BASEVERSION}/config/config -lpthread -ldl -lutil -lm -lpython${PYTHON_BASEVERSION}" ;;
> +        --exec-prefix) echo "/usr" ;;
> +        *) exit 1 ;;
> +esac
> +exit 0
> +EOF
> +        chmod +x ${WORKDIR}/python
> +}
> \ No newline at end of file

any comment concerning this patch ?

Thanks
Eric

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