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diff --git a/libm/alpha/Makefile.inc b/libm/alpha/Makefile.inc
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+# $FreeBSD: src/lib/msun/alpha/Makefile.inc,v 1.2 2005/03/07 04:53:35 das Exp $
+
+ARCH_SRCS = s_copysign.S s_copysignf.S
+LDBL_PREC = 53
+
+# XXX Comment from NetBSD/Alpha:
+# XXX LINT SIGFPEs in e_exp.c's strtod(). FP underflow/denorm software
+# handling is broken (doesn't exist!) on the Alpha port.
+# Stock gcc 2.7.2.1 doesn't understand these options.
+#CFLAGS += -mtrap-precision=i -mfp-trap-mode=su