Thanks. I followed your advice and did :
cd $ROOTSYS
make cintdlls
and was able to pass the string.
-Ben
On Nov 18, 2003, at 3:13 PM, Philippe Canal wrote:
> HI Ben,
>
> The most likely cause is that your installation of ROOT has not built
> the cintdlls.
>
> In the KCC build, std::string interpreted support is built in. In all
> other cases the cintdlls need to be built and you need to type:
> #include <string>
>
> To check whether you have the dictionary for the string properly
> loaded you can do:
> .files
> this should list "string.dll". If you do no see "string.dll" (after
> doing #include <string>)
> then you have no access (from the interpreter) to the compiled version
> of std::string and you
> can NOT pass string to your compiled classes.
>
> Note that in root 3.11.00 and above, support for std::string will be
> built-in on all platform
> (with no need for #include <string>)
>
> Cheers,
> Philippe.
>
>
> -----Original Message-----
> From: owner-roottalk@pcroot.cern.ch
> [mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of Ben Kilminster
> Sent: Wednesday, November 12, 2003 7:53 PM
> To: roottalk@pcroot.cern.ch
> Subject: [ROOT] string in gcc
>
>
> Hi,
>
> At the ROOT prompt, I try to pass a string into an object. This works
> in my KCC compiled root on my linux PC, but does not work on my gcc
> 3.3 compiled root on my Mac. I went through a bunch of emails with
> similar questions on roottalk, but I didn't get anywhere. I believe
> this feature must be at the CINT level, since the classes do compile
> okay.
>
> Here is the successful running on the kcc compiled root system:
>
> root [0] .L test.cc++
> Info in <TUnixSystem::ACLiC>: creating shared library
> /home/bjk/test2/./test_cc.so
> root [1] test T
> root [2] T.set("value")
> offset is value
>
>
> Here is what happens on the macosx version :
>
> root [0] .L test.cc++
> Info in <TUnixSystem::ACLiC>: creating shared library
> /Users/bjk/releases/4.11.1ana/test2/./test_cc.so
> ld: warning -prebind has no effect with -bundle
> root [1] test T
> root [2] T.set("value")
> Error: Can't call test::set("value") in current scope FILE:(tmpfile)
> LINE:1
> Possible candidates are...
> filename line:size busy function type and name (in test)
> (compiled) 0:0 0 public: void set(string value);
> Error: Symbol T is not defined in current scope FILE:(tmpfile) LINE:1
> Error: Failed to evaluate T.set("value")Possible candidates are...
> filename line:size busy function type and name
> *** Interpreter error recovered ***
>
>
>> From the threads on roottalk I have seen, I have tried a range of
>> things to get this to work, such as :
>
> root [0] #include <string>
> root [1] using namespace std
> root [2] string val = "value"
> root [3] .L test.cc++
> Info in <TUnixSystem::ACLiC>: creating shared library
> /Users/bjk/releases/4.11.1ana/test2/./test_cc.so
> ld: warning -prebind has no effect with -bundle
> root [4] test T
> root [5] T.set(val)
> Error: Can't call test::set(val) in current scope FILE:(tmpfile) LINE:1
> Possible candidates are...
> filename line:size busy function type and name (in test)
> (compiled) 0:0 0 public: void set(string value);
> Error: Symbol T is not defined in current scope FILE:(tmpfile) LINE:1
> Error: Failed to evaluate T.set(val)Possible candidates are...
> filename line:size busy function type and name
> *** Interpreter error recovered ***
>
> -----------------------------------------------------------------------
> --------------------------
> The code I am trying to execute is :
> test.cc :
> #include <iostream>
> #include "test.hh"
> using namespace std;
> test::~test() {
> }
> test::test(){
> }
>
> test.hh :
> #include <iostream.h>
> class test {
> public:
> std::string Offset;
> test();
> ~test();
> inline void set(std::string value)
> {Offset = value;
> std::cout << "offset is " << value << std::endl; }
> };
>
>
> What am I doing wrong here ?
>
> Thanks !
> Ben
>
> p.s. I am using root 3.10.1 compiled on my Mac osx 10.3 with gcc 3.3.
>
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