Re: [PATCH] gdb-cross-canadian: Fix linking issues when python support is enabled

["Eric Bénard" <eric@eukrea.com>]

Le Fri, 23 Mar 2012 05:50:41 -0700,
Khem Raj <raj.khem@gmail.com> a écrit :

> gdb-cross-canadian was linking with static version of libpython
> and looking for build host python when run. This could be mismatch
> between python-nativesdk and build host provided python. So we
> make it consistent to always use python-nativesdk
> 
> Instead of adding bunch of -L we add -rpath and -rpath-link
> so that gdb finds all needed libraries in SDK and does not
> reach out into host
> 
> This should fix yocto PR# 2077 as well.
> 
> Signed-off-by: Khem Raj <raj.khem@gmail.com>
Tested-by: Eric Bénard <eric@eukrea.com>
> ---
>  meta/recipes-devtools/gdb/gdb-cross-canadian.inc   |    7 ++++---
>  .../recipes-devtools/gdb/gdb-cross-canadian_7.4.bb |    2 +-
>  2 files changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/meta/recipes-devtools/gdb/gdb-cross-canadian.inc b/meta/recipes-devtools/gdb/gdb-cross-canadian.inc
> index a7cac61..59412c4 100644
> --- a/meta/recipes-devtools/gdb/gdb-cross-canadian.inc
> +++ b/meta/recipes-devtools/gdb/gdb-cross-canadian.inc
> @@ -1,4 +1,5 @@
>  inherit cross-canadian
> +inherit python-dir
>  
>  DESCRIPTION = "cross-canadian gdb for ${TARGET_ARCH} target - GNU debugger"
>  PN = "gdb-cross-canadian-${TRANSLATED_TARGET_ARCH}"
> @@ -14,9 +15,9 @@ do_configure_prepend() {
>  cat > ${WORKDIR}/python << EOF
>  #! /bin/sh
>  case "\$2" in
> -        --includes) echo "-I${STAGING_INCDIR}/python${PYTHON_BASEVERSION}/" ;;
> -        --ldflags) echo "-L${STAGING_LIBDIR}/../python${PYTHON_BASEVERSION}/config -lpthread -ldl -lutil -lm -lpython${PYTHON_BASEVERSION}" ;;
> -        --exec-prefix) echo "/usr" ;;
> +        --includes) echo "-I${STAGING_INCDIR}/${PYTHON_DIR}/" ;;
> +        --ldflags) echo "-Wl,-rpath-link,${STAGING_LIBDIR}/.. -Wl,-rpath,${libdir}/.. -lpthread -ldl -lutil -lm -lpython${PYTHON_BASEVERSION}" ;;
> +        --exec-prefix) echo "${exec_prefix}/bin" ;;
>          *) exit 1 ;;
>  esac
>  exit 0
> diff --git a/meta/recipes-devtools/gdb/gdb-cross-canadian_7.4.bb b/meta/recipes-devtools/gdb/gdb-cross-canadian_7.4.bb
> index dbcffde..dfb7d81 100644
> --- a/meta/recipes-devtools/gdb/gdb-cross-canadian_7.4.bb
> +++ b/meta/recipes-devtools/gdb/gdb-cross-canadian_7.4.bb
> @@ -1,7 +1,7 @@
>  require gdb-common.inc
>  require gdb-cross-canadian.inc
>  
> -PR = "${INC_PR}.3"
> +PR = "${INC_PR}.4"
>  
>  GDBPROPREFIX = "--program-prefix='${TARGET_PREFIX}'"
>  EXPAT = "--with-expat"