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As with some other soft-float configurations, no-FPU ColdFire needs various fenv.h functions and glibc-internal macros overridden in math_private.h to avoid references to undefined FE_* macros when building glibc. This patch adds a suitable math_private.h, based on the MicroBlaze one (Nios II and Tile also have similar files). There's a case for having such a file in sysdeps/ieee754/soft-fp so this logic is applied more generally to configurations without exceptions and rounding modes, even when the relevant macros are defined in fenv.h - the only case where that might be inappropriate is ARM soft-float (where the fenv.h functions might or might not work at runtime, depending on whether the processor used at runtime supports VFP). There's also a case that soft-float configurations (on processors with both hard-float and soft-float) should more consistently avoid defining FE_* macros in bits/fenv.h when not actually supported. But both of those are separate potential cleanups. This allows the no-FPU ColdFire build to get further (another fix is needed to allow the build to complete). * sysdeps/m68k/coldfire/nofpu/math_private.h: New file. Based on MicroBlaze file. |
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