[Buildroot] [PATCH v2] libtool: Apply upstream patch to set correct linkage on

[Vicente Olivert Riera <Vincent.Riera@imgtec.com>]

On 11/18/2013 12:25 PM, Vicente Olivert Riera wrote:
> This libtool change ensures that ld uses the right machine emulation file, which
> will allow to fix several MIPS64 n64 link failures, such as the one currently
> visible on the libiscsi package. Packages affected by this problem will have to
> use <pkg>_AUTORECONF = YES to benefit from this libtool fix, until they are
> fixed upstream.
>
> Acked-by: Markos Chandras <markos.chandras@imgtec.com>
> Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
> ---
>   .../libtool/libtool-0001-mips64-n64-linking.patch  |   47 ++++++++++++++++++++
>   1 files changed, 47 insertions(+), 0 deletions(-)
>   create mode 100644 package/libtool/libtool-0001-mips64-n64-linking.patch
>
> diff --git a/package/libtool/libtool-0001-mips64-n64-linking.patch b/package/libtool/libtool-0001-mips64-n64-linking.patch
> new file mode 100644
> index 0000000..ef9084d
> --- /dev/null
> +++ b/package/libtool/libtool-0001-mips64-n64-linking.patch
> @@ -0,0 +1,47 @@
> +sets correct linker ABI flags on MIPS64
> +http://git.savannah.gnu.org/cgit/libtool.git/commit/?id=5f7f7d9615bf650cf99d581a33b3e18357f79951
> +
> +Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
> +
> +diff -ru libtool-2.4.2.orig/libltdl/m4/libtool.m4 libtool-2.4.2/libltdl/m4/libtool.m4
> +--- libtool-2.4.2.orig/libltdl/m4/libtool.m4	2013-11-11 11:44:30.419396295 +0000
> ++++ libtool-2.4.2/libltdl/m4/libtool.m4	2013-11-11 11:44:07.055032308 +0000
> +@@ -1312,6 +1312,38 @@
> +   rm -rf conftest*
> +   ;;
> +
> ++mips64*-*linux*)
> ++  # Find out what ABI is being produced by ac_compile, and set linker
> ++  # options accordingly.
> ++  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
> ++  if AC_TRY_EVAL(ac_compile); then
> ++    emul=elf
> ++    case `/usr/bin/file conftest.$ac_objext` in
> ++      *32-bit*)
> ++      emul="${emul}32"
> ++      ;;
> ++      *64-bit*)
> ++      emul="${emul}64"
> ++      ;;
> ++    esac
> ++    case `/usr/bin/file conftest.$ac_objext` in
> ++      *MSB*)
> ++      emul="${emul}btsmip"
> ++      ;;
> ++      *LSB*)
> ++      emul="${emul}ltsmip"
> ++      ;;
> ++    esac
> ++    case `/usr/bin/file conftest.$ac_objext` in
> ++      *N32*)
> ++      emul="${emul}n32"
> ++      ;;
> ++    esac
> ++    LD="${LD-ld} -m $emul"
> ++    fi
> ++  rm -rf conftest*
> ++  ;;
> ++
> + x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
> + s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
> +   # Find out which ABI we are using.
>

The email subject should be changed to "libtool: Apply upstream patch to 
set correct linkage on MIPS64"

Could you do that before committing the patch, please? Thanks.

---
Vincent