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[PATCH/RFA] Do not set MULTILIB_DEFAULTS for arm*-*-linux-gnueabi* targets


The attached patch removes the setting of MULTILIB_DEFAULTS for
arm*-*-linux-gnueabi* targets.

The current setting of MULTILIB_DEFAULTS includes mfloat-abi=hard,
which for arm*-*-linux-gnueabi is not true.  This makes generating a
hard-float multilib impossible in this configuration.

In an off-list conversation with Ramana we decided that
MULTILIB_DEFAULTS should not be set for these targets, as we set
MULTILIB_OPTIONS to an empty string (as per the docs for

I added comments by the definition of MULTILIB_OPTIONS and
MULTILIB_DEFAULTS to make it clear that the two options are related.

Tested cross arm-none-linux-gnueabi.

OK for trunk?



2013-08-19  Matthew Gretton-Dann  <>

        * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Remove definition.
        * config/arm/t-linux-eabi: (MULTILIB_OPTIONS): Document association

Matthew Gretton-Dann
Linaro Toolchain Working Group

Attachment: 20130819-unset-multilib-defaults.txt
Description: Text document

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