[REGEX] seg fault

[John Robertson-5]

When running the credit_card snippet in gdb I get.

Program received signal SIGSEGV, Segmentation fault.
0x00002ac3263b38f2 in boost::re_detail::cpp_regex_traits_implementation<char>::lookup_classname_imp ()
   from /usr/lib64/libboost_regex.so.2

I'm using BOOST_VERSION 103900

Thanks
-JR

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[John Maddock]

>When running the credit_card snippet in gdb I get.
>
>Program received signal SIGSEGV, Segmentation fault.
>0x00002ac3263b38f2 in
>boost::re_detail::cpp_regex_traits_implementation<char>::lookup_classname_imp
>()
>from /usr/lib64/libboost_regex.so.2

Works for me.

The only thing I can think of is a binary compatibility issue between the
.so and your built application (different boost versions?  Different build
options?),

John.

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[John Robertson-5]

You were right.
It works fine if I use

g++ -ggdb -O3 credit_card_example.cpp -o credit_card_example /usr/local/lib/libboost_regex-gcc41-d-1_39.so

But not with

g++ -ggdb -O3 credit_card_example.cpp -o credit_card_example -lboost_regex

In my /usr/local/lib directory I find
lrwxrwxrwx 1 root root       37 Oct 29 17:17 libboost_regex-gcc41-d-1_39.so -> libboost_regex-gcc41-d-1_39.so.1.39.0
lrwxrwxrwx 1 root root       37 Oct 29 17:17 libboost_regex-gcc41-d-1_39.so.1 -> libboost_regex-gcc41-d-1_39.so.1.39.0
lrwxrwxrwx 1 root root       37 Oct 29 17:17 libboost_regex-gcc41-d-1_39.so.1.39 -> libboost_regex-gcc41-d-1_39.so.1.39.0
-rwxr-xr-x 1 root root  6763287 Oct 29 17:17 libboost_regex-gcc41-d-1_39.so.1.39.0

But shouldn't there be a
libboost_regex.a file  ?

So that I can use
g++ -ggdb -O3 credit_card_example.cpp -o credit_card_example -L/usr/local/lib/ -lboost_regex


I bjamed in /usr/include/boost_1_39_0/libs/regex/build (where I unzipped myboost_1_39_0 tarball).
Then did bjam install.

Shouldn't that put libboost_regex.a in the right location automatically ?

If not what can I do?


I am using BOOST_VERSION 103900  only.

Thanks
-JR

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[John Maddock]

>But shouldn't there be a
>libboost_regex.a file ?

Yes, well an .so anyway :-)

>I bjamed in /usr/include/boost_1_39_0/libs/regex/build (where I unzipped
>myboost_1_39_0 tarball).
>Then did bjam install.
>
>Shouldn't that put libboost_regex.a in the right location automatically ?

I would have thought so.  And those libraries with a "-d" in the name appear
to be debug versions as well.

>If not what can I do?

Try a:

bjam --with-regex install

from the boost root directory.

HTH, John.

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