Date: Thu, 17 Jun 2004 20:20:14 +1000 From: Tim Robbins <tjr@freebsd.org> To: current@freebsd.org Subject: Strange FP problems Message-ID: <20040617102014.GA53174@cat.robbins.dropbear.id.au>
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While trying to build a kernel on amd64, I always get this error: $ make emu10k1-alsa%diked.h CC=cc AWK=awk sh ../../../tools/emu10k1-mkalsa.sh ../../../gnu/dev/sound/pci/emu 10k1-alsa.h emu10k1-alsa%diked.h awk: floating point exception 8 input record number 84, file source line number 3 The input record in question is this: #define __DBL_DENORM_MIN__ 4.9406564584124654e-324 I can easily reproduce the problem with: $ echo 4.9406564584124654e-324 | awk '{ print; }' awk: floating point exception 8 source line number 1 That command succeeds on sledge.freebsd.org, and it can successfully compile a kernel. I'm using a top-of-the-tree (as of this writing) GENERIC kernel built on a known-good machine (sledge), and the problems even occur with a static awk binary built on sledge. Ideas? Tim
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