Date: Sat, 19 Sep 1998 02:20:31 +0200 (MET DST) From: Jean-Marc Zucconi <jmz@FreeBSD.ORG> To: fn@radio-do.de Cc: freebsd-current@FreeBSD.ORG Subject: Re: Bug in elf c++ Message-ID: <199809190020.CAA00821@qix> In-Reply-To: <19980918190509.A2708@radio-do.de> (message from Frank Nobis on Fri, 18 Sep 1998 19:05:09 %2B0200)
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I tried the example and it exits with value 0 in both cases. Is your
c++ /usr/bin/c++ ?
Jean-Marc
>>>>> Frank Nobis writes:
> Taken from the configure script of groff, I found a bug in the elf
> version of c++.
> Here is the example:
> #ifdef __cplusplus
> extern "C" void exit(int);
> #endif
> extern "C" {
> void _exit(int);
> }
> int i;
> struct A {
> char dummy;
> A() { i = 1; }
> ~A() { if (i == 1) _exit(0); }
> };
> volatile A a;
> int main() { return 1; }
> Compile it with 'c++ -aout' and the exit value is 0.
> Compile it just with 'c++' and the exit value is 1!
> This leads to a bug in the groff package. Since the constructors
> for some global class instances are not called, the default value
> for font_path is not set and therefore groff fails to format any
> man page.
--
Jean-Marc Zucconi PGP Key: finger jmz@FreeBSD.ORG
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