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cc19109af9
Use the more official fesetenv(FE_DFL_ENV) from _dll_crt0, thus allowing to drop the _feinitialise declaration from fenv.h. Provide a no-op _feinitialise in Cygwin as exportable symbol for really old applications when _feinitialise was called from mainCRTStartup in crt0.o. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>