Re: bug#50098: Configuring --with-libsigsegv results in link error

[Evan Miller]

> On Aug 17, 2021, at 18:53, Paul Eggert <eggert@cs.ucla.edu> wrote:
> 
> On 8/17/21 1:02 PM, Evan Miller wrote:
> 
>> Thanks for the patch. At present, the non-libsigsegv implementation does not 
>> compile on this machine for reasons described in
>> https://trac.macports.org/ticket/63381
> 
> Oh, I see you're building for an old system (Mac OSX 10.4.11, circa 2007) 
> that Apple itself is no longer supporting. Although we don't normally worry 
> about such platforms, perhaps you can come up with a patch that clearly won't 
> break mainline platforms.

A simple regex substitution (removing double underscores from the struct member 
names on the affected platform) seems to do the trick in the downstream 
package. If I have the time and cleverness I'll see about a proper patch.

> 
> In the meantime I suppose you can try the c-stack patch I just sent you, 
> though this will require running autoconf. Alternatively you may be able to 
> work around the problem by using something like this:
> 
> ./configure LDFLAGS='-L/opt/local/lib' LIBS='-lsigsegv'


That workaround is what I was looking for, and will let MacPorts fix its 
package without waiting for a new Grep release.