Re: [Boost-users] question on boost::regex expression(query);

From: Mike Marchywka (marchywka_at_[hidden])
Date: 2007-10-03 05:12:02

Thanks. If I have to guess at this point, I think it is a quirk of my cygwin 
install or
version- it is also possible I have intermixed boost files but still a bit 
confusing.
AFAIK, everything is working right now except the try/catch so maybe
I can let it go until I can safely upgrade my tools.

$ g++ -v
Reading specs from /usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/specs
Configured with: /gcc/gcc-3.3.3-3/configure --verbose --prefix=/usr 
--exec-prefi
x=/usr --sysconfdir=/etc --libdir=/usr/lib --libexecdir=/usr/lib 
--mandir=/usr/s
hare/man --infodir=/usr/share/info 
--enable-languages=c,ada,c++,d,f77,java,objc,
pascal --enable-nls --without-included-gettext --enable-libgcj 
--with-system-zli
b --enable-interpreter --enable-threads=posix --enable-java-gc=boehm 
--enable-sj
lj-exceptions --disable-version-specific-runtime-libs 
--disable-win32-registry
Thread model: posix
gcc version 3.3.3 (cygwin special)

$ g++ -I. t.cpp -L./lib -lboost_regex-gcc-mt
Info: resolving vtable for boost::regex_errorby linking to 
__imp___ZTVN5boost11r
egex_errorE (auto-import)

Administrator_at_TESTBED01 /cygdrive/c/mydocs/scripts/cc/affx/boost
$ ./a  [ <<<<<<<<<< This pops up a dialog box about missing dll ]

Administrator_at_TESTBED01 /cygdrive/c/mydocs/scripts/cc/affx/boost
$ cygcheck a.exe
Found: c:\mydocs\scripts\cc\affx\boost\a.exe
c:/mydocs/scripts/cc/affx/boost/a.exe
Error: could not find cygboost_regex-gcc-mt-1_33_1.dll
  C:\WINNT\cygwin1.dll
    C:\WINNT\system32\ADVAPI32.DLL
      C:\WINNT\system32\KERNEL32.dll
        C:\WINNT\system32\ntdll.dll
      C:\WINNT\system32\RPCRT4.dll
Error: could not find cygboost_regex-gcc-mt-1_33_1.dll

Administrator_at_TESTBED01 /cygdrive/c/mydocs/scripts/cc/affx/boost
$ cp ../cygboost_regex-gcc-mt-1_33_1.dll .

Administrator_at_TESTBED01 /cygdrive/c/mydocs/scripts/cc/affx/boost
$ ./a
Aborted (core dumped)

Administrator_at_TESTBED01 /cygdrive/c/mydocs/scripts/cc/affx/boost
$

>From: "John Maddock" <john_at_[hidden]>
>Reply-To: boost-users_at_[hidden]
>To: <boost-users_at_[hidden]>
>Subject: Re: [Boost-users] question on boost::regex expression(query);
>Date: Wed, 3 Oct 2007 09:46:35 +0100
>
>Mike Marchywka wrote:
> > Same problem during link and runtime with only dll. The static choice
> > should avoid
> > dll problems so maybe I'll give that another look. Thanks again.
>
>Well it works for me with the Boost-1.33.1 install supplied with current
>cygwin, the test program is:
>
>
>#include <boost/regex.hpp>
>#include <iostream>
>
>int main()
>{
>    try{
>       boost::regex
>e("(?<=GU.*?TACTAAC.{20,40}AG|^)?(GU.*?TACTAAC.{20,40}AG|$)");
>    }
>    catch(boost::regex_error e)
>    {
>       std::cout << "Caught a regex_error" << std::endl;
>       std::cout << e.what() << std::endl;
>    }
>    catch(std::exception e)
>    {
>       std::cout << "Caught a std::exception" << std::endl;
>       std::cout << e.what() << std::endl;
>    }
>}
>
>and then:
>
>$ g++ -I /usr/include/boost-1_33_1 t.cpp -lboost_regex-gcc-mt
>Info: resolving vtable for boost::regex_errorby linking to
>__imp___ZTVN5boost11regex_errorE (auto-import)
>
>$ ./a
>Caught a regex_error
>Invalid regular expression
>
>Which is what I would expect in that case.
>
>HTH, John.
>
>_______________________________________________
>Boost-users mailing list
>Boost-users_at_[hidden]
>http://lists.boost.org/mailman/listinfo.cgi/boost-users

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