GCC Error Referencing re_comp & re_exec

GCC Error Referencing re_comp & re_exec

[DimmerMI (sent by Nabble.com)]

I've been trying to compile an older network monitoring utility called Rover on a NetBSD system, but keep getting errors about re_comp and re_exec. The errors are as follows:
display.o: In function `AddFilter':
display.o(.text+0xd5): undefined reference to `re_comp'
display.o: In function `CountProblem':
display.o(.text+0x66b): undefined reference to `re_comp'
display.o(.text+0x67a): undefined reference to `re_exec'
display.o: In function `FilterProblem':
display.o(.text+0x707): undefined reference to `re_comp'
display.o(.text+0x716): undefined reference to `re_exec'

If someone can help me figure out these errors that would be great.

Thanks.
--
Sent from the gcc - Help forum at Nabble.com:
http://www.nabble.com/GCC-Error-Referencing-re_comp-re_exec-t348240.html#a965007

Re: GCC Error Referencing re_comp & re_exec

[Ian Lance Taylor]

"DimmerMI \(sent by Nabble.com\)" <lists@nabble.com> writes:

> I've been trying to compile an older network monitoring utility called Rover on a NetBSD system, but keep getting errors about re_comp and re_exec. The errors are as follows:
> display.o: In function `AddFilter':
> display.o(.text+0xd5): undefined reference to `re_comp'
> display.o: In function `CountProblem':
> display.o(.text+0x66b): undefined reference to `re_comp'
> display.o(.text+0x67a): undefined reference to `re_exec'
> display.o: In function `FilterProblem':
> display.o(.text+0x707): undefined reference to `re_comp'
> display.o(.text+0x716): undefined reference to `re_exec'
> 
> If someone can help me figure out these errors that would be great.

On NetBSD you need to link with -lcompat to pick up those functions.

See 'man re_comp'.

Ian

Re: GCC Error Referencing re_comp & re_exec

[Digvijoy Chatterjee]

On Mon, 2005-09-26 at 13:54 -0700, DimmerMI (sent by Nabble.com) wrote:
> I've been trying to compile an older network monitoring utility called Rover on a NetBSD system, but keep getting errors about re_comp and re_exec. The errors are as follows:
> display.o: In function `AddFilter':
> display.o(.text+0xd5): undefined reference to `re_comp'
> display.o: In function `CountProblem':
> display.o(.text+0x66b): undefined reference to `re_comp'
> display.o(.text+0x67a): undefined reference to `re_exec'
> display.o: In function `FilterProblem':
> display.o(.text+0x707): undefined reference to `re_comp'
> display.o(.text+0x716): undefined reference to `re_exec'
> 
> If someone can help me figure out these errors that would be great.
> 
> Thanks.
> --
> Sent from the gcc - Help forum at Nabble.com:
> http://www.nabble.com/GCC-Error-Referencing-re_comp-re_exec-t348240.html#a965007


Just on similar lines , many a time I get these errors with gcc which
basically means the library to link has not been mentioned in the
command line or Makefile

Now My Question is how to find which library to link to when one gets
such errors ,is there any  command/file..etc. or is google/ asking
people/gcc help lists the only answer.

or more succinctly in the example above how can Dimmer find out that he
needs to link to -lcompat on his box ,rather than asking for help from
people who have faced such a problem or just know about it.

Digz
> 


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Re: GCC Error Referencing re_comp & re_exec

[Ian Lance Taylor]

Digvijoy Chatterjee <digvijoy_chatterjee@infosys.com> writes:

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Thanks.

Ian