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All the references to __SOFTFP__ in this file are incorrect for EABI; the __SOFTFP__ code should be used for *soft-float ABI* whether or not VFP is enabled, and __SOFTFP__ does specifically mean soft-float not soft-float ABI.
If you change the conditionals to __SOFTFP__ || __ARM_EABI__ then -mfloat-abi=softfp should work. -mfloat-abi=hard won't; that would need both a new macro to identify the hard-VFP ABI, and new libffi code to handle that ABI.
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arm.diff
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