On 2013-07-20 17:44, David Blaikie wrote:
Nothing obviously wrong with that - yes, jumping in with a debugger
might be an option, but the code looks simple enough that I'd wonder
if it's an issue with linking or the standard library.
On Sat, Jul 20, 2013 at 6:46 AM, Sian Mountbatten
<[email protected]> wrote:
Dear List
If I compile the file main.cpp to regex using this command:
clang++ -g -std=c++11 -stdlib=libc++ -o regex main.cpp
I get no warnings, no errors, in fact no console output from clang++.
When the program is run, it produces "\w+\d*" on the console.
Now, if I compile with this command:
clang++ -g -std=c++11 -o main.o -c main.cpp
and then link with this command:
clang++ -g -stdlib=libc++ -o regex main.o
again, I get no output from clang++. Unfortunately, when the output
program is run, it fails with "Segmentation violation".
Again, I'm assuming you've invoked UB & the two different standard
libraries are just failing in different ways. Once we see the code,
that might change.
What does "UB" mean?
--
Sian Mountbatten
Learning C++!!!
I'm an FSF member
Help us support software freedom! http://www.fsf.org/jf?referrer=10888
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