[OE-core] [PATCH] gcc-cross: Fix linker and fortran symlinks

[Martin Jansa]

Shouldn't the symlink be created in ${D}${STAGING_DIR_NATIVE} as suggested
in:
http://lists.openembedded.org/pipermail/openembedded-core/2014-April/091480.html

On Tue, Jul 11, 2017 at 3:05 PM, Khem Raj <raj.khem at gmail.com> wrote:

> If we used -fuse-ld gcc option, then it does not work
> ending in
>
> collect2: fatal error: cannot find 'ld'
>
>
>            compilation terminated.
>
> This is because we are not creating proper symlinks for BFD
> and Gold linker in gcc installation
>
> Secondly, we end up with dangling fortran compiler symlinks
> if fortran is not enabled when confguring gcc, therefore
> create these symlinks only when fortran support is enabled
> in gcc
>
> Signed-off-by: Khem Raj <raj.khem at gmail.com>
> ---
>  meta/recipes-devtools/gcc/gcc-cross.inc | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/meta/recipes-devtools/gcc/gcc-cross.inc
> b/meta/recipes-devtools/gcc/gcc-cross.inc
> index b08bc197ba..1e184a60db 100644
> --- a/meta/recipes-devtools/gcc/gcc-cross.inc
> +++ b/meta/recipes-devtools/gcc/gcc-cross.inc
> @@ -161,17 +161,19 @@ do_install () {
>
>         install -d ${D}${target_base_libdir}
>         install -d ${D}${target_libdir}
> -
> +
>         # Link gfortran to g77 to satisfy not-so-smart configure or hard
> coded g77
>         # gfortran is fully backwards compatible. This is a safe and
> practical solution.
> -       ln -sf ${STAGING_DIR_NATIVE}${prefix_native}/bin/${TARGET_PREFIX}gfortran
> ${STAGING_DIR_NATIVE}${prefix_native}/bin/${TARGET_PREFIX}g77 || true
> +       if [ -n "${@d.getVar('FORTRAN')}" ]; then
> +               ln -sf ${STAGING_DIR_NATIVE}${prefix_
> native}/bin/${TARGET_PREFIX}gfortran ${STAGING_DIR_NATIVE}${prefix_
> native}/bin/${TARGET_PREFIX}g77 || true
> +               fortsymlinks="g77 gfortran"
> +       fi
>
> -
>         # Insert symlinks into libexec so when tools without a prefix are
> searched for, the correct ones are
>         # found. These need to be relative paths so they work in different
> locations.
>         dest=${D}${libexecdir}/gcc/${TARGET_SYS}/${BINV}/
>         install -d $dest
> -       for t in ar as ld nm objcopy objdump ranlib strip g77 gcc cpp
> gfortran; do
> +       for t in ar as ld ld.bfd ld.gold nm objcopy objdump ranlib strip
> gcc cpp $fortsymlinks; do
>                 ln -sf ${BINRELPATH}/${TARGET_PREFIX}$t $dest$t
>                 ln -sf ${BINRELPATH}/${TARGET_PREFIX}$t
> ${dest}${TARGET_PREFIX}$t
>         done
> --
> 2.13.2
>
> --
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