m4-1.4.10 segfault with x86_64 during ./configure when checking whether printf supports infinite 'long double' arguments

[Gilles Espinasse]

-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-5-amd64
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)

m4-1.4.10 ./configure segfault on amd64
conftest[<number vary>]: segfault at 502000 rip 00002b3b28099a7 rsp <number
vary> error 6

I try this patch with no change
http://lists.gnu.org/archive/html/bug-m4/2007-09/msg00007.html

On the same machine but with Etch 32b version, it just run with trouble (no
test with the patch)

Gilles

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