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Libatomic builds a few functions for Arm with an explicit -march option. This option does not specify an FPU, which can lead to problems when targeting a hard-float or softfp environment since the architecture appears to be incompatible with the selected ABI. The fix is simple enough, just add +fp (the minimum floating point option) to the architecture. We don't use anything from the FP architecture, so it shouldn't really change anything; and if we are building for -mfloat-abi=soft the canonicalization process will remove the unnecessary fp attributes anyway. * Makefile.am: (IFUNC_OPTIONS): Set the architecture to -march=armv7-a+fp on Linux/Arm. * Makefile.in: Regenerated. From-SVN: r253935
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