RE: load a list of libs

Thread: RE: load a list of libs

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RE: load a list of libs
United States	2008-03-10 14:16:10
Hello Dmitry, > The reason of my question is motivated by a simple idea. My point was a simple one, "You can write LoadListOfLibs() yourself". The function you proposed us is useful (and ROOT team may be willing to add it ;). However, it is not as generic as you implied. Normally, the function you proposed is NOT sufficient to meet the current framework need. For example, what LoadListOfLibs() function should have done if let's say one of the libraries fails to be loaded? > On the other hand G4 always provides a nice > method similar to that in root-config. It can return me a line with all > libraries like: > -lG4_lib1 -lG4lib2 ... -lG4libN What about: g++ -o Root4G4.exe $ROOTSYS/main/src/rmain.cxx `root-config --cflags --glibs `your nice G4 config script here' Is it what you want? Best Regards Valeri Fine --------------- Brookhaven National Laboratory Upton, NY 11973, USA Phone: +1 631 344 7806 Fax: +1 631 344 4206 E-mail: finebnl.gov > -----Original Message----- > From: naumovnusun.jinr.ru [mailto:naumovnusun.jinr.ru] > Sent: Monday, March 10, 2008 6:39 PM > To: Fine, Valeri > Cc: Dmitry Naumov; Dario Berzano; roottalkcern.ch > Subject: RE: [ROOT] load a list of libs > > Hi Valeri, > > thanks for your response. Well, this is again the same gSystem->Load() > function. Certainly I could do this kind of loop... > > The reason of my question is motivated by a simple idea. I am using ROOT > VMC in my application. If I run it from the root interpreter I use a macro > which loads several dozens of Geant4 libraries. From release to release G4 > merges/splits/renames some libraries and I have to follow all these > developments in that macro. On the other hand G4 always provides a nice > method similar to that in root-config. It can return me a line with all > libraries like: > -lG4_lib1 -lG4lib2 ... -lG4libN > > and like this for several dozens of libraries. Therefore I though that it > would be nice if instead of using a macro which loads one by one all the > libraries I would simply ask root to load everything in one go. Well, one > can say, please, split the line and use again gSystem->Load() substituting > -lG4_lib1 by libG4lib1.so (thus analyzing the string). Certainly this is > possible and quite easy to realize, while it would be a sort of > comfortable to be able to load everything just by a line like: > gSystem->LoadListOfLibs("") > > This is the point. Ok, if this is not possible I will proceed with a > loop, thanks again, Dmitry > > >> Hi Dario, > >> > >> this I know. But this command seems to load only one library. Is there > >> something like: > >> root[] gSystem->LoadListOfLibs("-L/path_to_libs -lApp1 -lApp2 -lApp3"); > > > > Yes, it does exist. Here you are > > > > { > > TString lPath = gSystem->GetDynamicPath(); > > lPath+= ":path_to_libs"; > > gSystem->SetDynamicPath((const char)lPath); > > const char libs[] = { "App1", "App2", "App3" }; > > for (int i = 0; i < sizeof(libs)/sizeof(char *); i++) > > printf(" Loading %s %dn", libs[i], gSystem->Load(libs[i])); > > > > } > > > > Hope this helps > > > > Valeri Fine > > --------------- > > Brookhaven National Laboratory > > Upton, NY 11973, USA > > Phone: +1 631 344 7806 > > Fax: +1 631 344 4206 > > E-mail: finebnl.gov > >> Thanks, Dmitry > >> > >> Dario Berzano ï¿½ï¿½ï¿½ï¿½ï¿½: > >> > On Mon, Mar 10, 2008 at 6:06 PM, Dmitry Naumov <naumovnusun.jinr.ru> > >> wrote: > >> > > >> >> Dear roottalk, > >> >> > >> >> is there an implemented way to load a list of libraries made in the > >> form: > >> >> -L/path_to_libs -lApp1 -lApp2 -lApp3 ... > >> >> from the root interpreter? > >> >> > >> > > >> > Hi Dmitry, > >> > > >> > you can try gSystem->Load("library_name"). The documentation is > >> > available here: > >> > > >> > http://root.cern.ch/root/html/TSystem.html#TSystem:Load > >> > > >> > Regards, > >> > > >

Re: load a list of libs
Russian Federation	2008-03-11 04:36:59
Hello Valery, Philippe and roottalk, thank you for your answers. I think I got a complete answer to my question. Frankly speaking I would like to see something like I proposed but maybe done in a more generic and sufficient way in one of the next root releases if others also find this useful. For the time being I will implement this kind of function for my purpose based on Valery's piece of code. Philippe, I do not think to know the subject well enough to volunteer to make my contribution to TSystem class. Valery, for my application stand-alone I used something similar to your suggestion below: g++ -o Root4G4.exe $ROOTSYS/main/src/rmain.cxx `root-config --cflags --glibs `your nice G4 config script here' However I could not use the same trick for the root interpreter. For example, what LoadListOfLibs() function should have done if let's say one of the libraries fails to be loaded? I guess naively, root will say: failed to load "libXXX", no? Thanks to all, Best regards, Dmitry Fine, Valeri ÐÉÛÅÔ: > Hello Dmitry, > > >> The reason of my question is motivated by a simple idea. >> > > My point was a simple one, "You can write LoadListOfLibs() yourself". > The function you proposed us is useful (and ROOT team may be willing to add it ;). However, it is not as generic as you implied. > > Normally, the function you proposed is NOT sufficient to meet the current framework need. > > For example, what LoadListOfLibs() function should have done if let's say one of the libraries fails to be loaded? > > >> On the other hand G4 always provides a nice >> method similar to that in root-config. It can return me a line with all >> libraries like: >> -lG4_lib1 -lG4lib2 ... -lG4libN >> > > What about: > > g++ -o Root4G4.exe $ROOTSYS/main/src/rmain.cxx `root-config --cflags --glibs `your nice G4 config script here' > > > Is it what you want? > > > > Best Regards > Valeri Fine > --------------- > Brookhaven National Laboratory > Upton, NY 11973, USA > Phone: +1 631 344 7806 > Fax: +1 631 344 4206 > E-mail: finebnl.gov > > >> -----Original Message----- >> From: naumovnusun.jinr.ru [mailto:naumovnusun.jinr.ru] >> Sent: Monday, March 10, 2008 6:39 PM >> To: Fine, Valeri >> Cc: Dmitry Naumov; Dario Berzano; roottalkcern.ch >> Subject: RE: [ROOT] load a list of libs >> >> Hi Valeri, >> >> thanks for your response. Well, this is again the same gSystem->Load() >> function. Certainly I could do this kind of loop... >> >> The reason of my question is motivated by a simple idea. I am using ROOT >> VMC in my application. If I run it from the root interpreter I use a macro >> which loads several dozens of Geant4 libraries. From release to release G4 >> merges/splits/renames some libraries and I have to follow all these >> developments in that macro. On the other hand G4 always provides a nice >> method similar to that in root-config. It can return me a line with all >> libraries like: >> -lG4_lib1 -lG4lib2 ... -lG4libN >> >> and like this for several dozens of libraries. Therefore I though that it >> would be nice if instead of using a macro which loads one by one all the >> libraries I would simply ask root to load everything in one go. Well, one >> can say, please, split the line and use again gSystem->Load() substituting >> -lG4_lib1 by libG4lib1.so (thus analyzing the string). Certainly this is >> possible and quite easy to realize, while it would be a sort of >> comfortable to be able to load everything just by a line like: >> gSystem->LoadListOfLibs("") >> >> This is the point. Ok, if this is not possible I will proceed with a >> loop, thanks again, Dmitry >> >> >>>> Hi Dario, >>>> >>>> this I know. But this command seems to load only one library. Is there >>>> something like: >>>> root[] gSystem->LoadListOfLibs("-L/path_to_libs -lApp1 -lApp2 -lApp3"); >>>> >>> Yes, it does exist. Here you are >>> >>> { >>> TString lPath = gSystem->GetDynamicPath(); >>> lPath+= ":path_to_libs"; >>> gSystem->SetDynamicPath((const char)lPath); >>> const char libs[] = { "App1", "App2", "App3" }; >>> for (int i = 0; i < sizeof(libs)/sizeof(char *); i++) >>> printf(" Loading %s %dn", libs[i], gSystem->Load(libs[i])); >>> >>> } >>> >>> Hope this helps >>> >>> Valeri Fine >>> --------------- >>> Brookhaven National Laboratory >>> Upton, NY 11973, USA >>> Phone: +1 631 344 7806 >>> Fax: +1 631 344 4206 >>> E-mail: finebnl.gov >>> >>>> Thanks, Dmitry >>>> >>>> Dario Berzano ï¿½ï¿½ï¿½ï¿½ï¿½: >>>> >>>>> On Mon, Mar 10, 2008 at 6:06 PM, Dmitry Naumov <naumovnusun.jinr.ru> >>>>> >>>> wrote: >>>> >>>>>> Dear roottalk, >>>>>> >>>>>> is there an implemented way to load a list of libraries made in the >>>>>> >>>> form: >>>> >>>>>> -L/path_to_libs -lApp1 -lApp2 -lApp3 ... >>>>>> from the root interpreter? >>>>>> >>>>>> >>>>> Hi Dmitry, >>>>> >>>>> you can try gSystem->Load("library_name"). The documentation is >>>>> available here: >>>>> >>>>> http://root.cern.ch/root/html/TSystem.html#TSystem:Load >>>>> >>>>> Regards, >>>>> >>>>> > >

Re: load a list of libs
France	2008-03-21 07:21:16
Hi Dmitry, Geant4 VMC provides a macro for loading all Geant4 libraries needed for user application in: geant4_vmc/examples/macro/g4libs.C This macro is regularly updated with each Geant4 release and you can follow the changes using SVN. Best regards, Ivana -- ============================================================ == e-mail: Ivana.Hrivnacovacern.ch address: Institut Physique Nucleaire, 91406 Orsay, France phone: (33) 01 69 15 65 94 ============================================================ == Dmitry Naumov wrote: > Hello Valery, Philippe and roottalk, > > thank you for your answers. I think I got a complete answer to my > question. Frankly speaking I would like to see something like I proposed > but maybe done in a more generic and sufficient way in one of the next > root releases if others also find this useful. For the time being I will > implement this kind of function for my purpose based on Valery's piece > of code. > > Philippe, I do not think to know the subject well enough to volunteer to > make my contribution to TSystem class. > > Valery, for my application stand-alone I used something similar to your > suggestion below: > > g++ -o Root4G4.exe $ROOTSYS/main/src/rmain.cxx `root-config --cflags > --glibs `your nice G4 config script here' > > However I could not use the same trick for the root interpreter. > > For example, what LoadListOfLibs() function should have done if let's > say one of the libraries fails to be loaded? > > I guess naively, root will say: > failed to load "libXXX", no? > > Thanks to all, > Best regards, Dmitry > > > Fine, Valeri ÐÉÛÅÔ: >> Hello Dmitry, >> >> >>> The reason of my question is motivated by a simple idea. >> >> My point was a simple one, "You can write LoadListOfLibs() yourself". >> The function you proposed us is useful (and ROOT team may be willing >> to add it ;). However, it is not as generic as you implied. >> >> Normally, the function you proposed is NOT sufficient to meet the >> current framework need. >> For example, what LoadListOfLibs() function should have done if let's >> say one of the libraries fails to be loaded? >> >> >>> On the other hand G4 always provides a nice >>> method similar to that in root-config. It can return me a line with all >>> libraries like: >>> -lG4_lib1 -lG4lib2 ... -lG4libN >>> >> >> What about: >> >> g++ -o Root4G4.exe $ROOTSYS/main/src/rmain.cxx `root-config --cflags >> --glibs `your nice G4 config script here' >> >> >> Is it what you want? >> >> >> >> Best Regards >> Valeri Fine >> --------------- >> Brookhaven National Laboratory >> Upton, NY 11973, USA >> Phone: +1 631 344 7806 >> Fax: +1 631 344 4206 >> E-mail: finebnl.gov >> >> >>> -----Original Message----- >>> From: naumovnusun.jinr.ru [mailto:naumovnusun.jinr.ru] >>> Sent: Monday, March 10, 2008 6:39 PM >>> To: Fine, Valeri >>> Cc: Dmitry Naumov; Dario Berzano; roottalkcern.ch >>> Subject: RE: [ROOT] load a list of libs >>> >>> Hi Valeri, >>> >>> thanks for your response. Well, this is again the same gSystem->Load() >>> function. Certainly I could do this kind of loop... >>> >>> The reason of my question is motivated by a simple idea. I am using ROOT >>> VMC in my application. If I run it from the root interpreter I use a >>> macro >>> which loads several dozens of Geant4 libraries. From release to >>> release G4 >>> merges/splits/renames some libraries and I have to follow all these >>> developments in that macro. On the other hand G4 always provides a nice >>> method similar to that in root-config. It can return me a line with all >>> libraries like: >>> -lG4_lib1 -lG4lib2 ... -lG4libN >>> >>> and like this for several dozens of libraries. Therefore I though >>> that it >>> would be nice if instead of using a macro which loads one by one all the >>> libraries I would simply ask root to load everything in one go. Well, >>> one >>> can say, please, split the line and use again gSystem->Load() >>> substituting >>> -lG4_lib1 by libG4lib1.so (thus analyzing the string). Certainly this is >>> possible and quite easy to realize, while it would be a sort of >>> comfortable to be able to load everything just by a line like: >>> gSystem->LoadListOfLibs("") >>> >>> This is the point. Ok, if this is not possible I will proceed with a >>> loop, thanks again, Dmitry >>> >>> >>>>> Hi Dario, >>>>> >>>>> this I know. But this command seems to load only one library. Is there >>>>> something like: >>>>> root[] gSystem->LoadListOfLibs("-L/path_to_libs -lApp1 -lApp2 >>>>> -lApp3"); >>>>> >>>> Yes, it does exist. Here you are >>>> >>>> { >>>> TString lPath = gSystem->GetDynamicPath(); >>>> lPath+= ":path_to_libs"; >>>> gSystem->SetDynamicPath((const char)lPath); >>>> const char libs[] = { "App1", "App2", "App3" }; >>>> for (int i = 0; i < sizeof(libs)/sizeof(char *); i++) >>>> printf(" Loading %s %dn", libs[i], gSystem->Load(libs[i])); >>>> >>>> } >>>> >>>> Hope this helps >>>> >>>> Valeri Fine >>>> --------------- >>>> Brookhaven National Laboratory >>>> Upton, NY 11973, USA >>>> Phone: +1 631 344 7806 >>>> Fax: +1 631 344 4206 >>>> E-mail: finebnl.gov >>>> >>>>> Thanks, Dmitry >>>>> >>>>> Dario Berzano ï¿½ï¿½ï¿½ï¿½ï¿½: >>>>> >>>>>> On Mon, Mar 10, 2008 at 6:06 PM, Dmitry Naumov <naumovnusun.jinr.ru> >>>>>> >>>>> wrote: >>>>> >>>>>>> Dear roottalk, >>>>>>> >>>>>>> is there an implemented way to load a list of libraries made in the >>>>>>> >>>>> form: >>>>> >>>>>>> -L/path_to_libs -lApp1 -lApp2 -lApp3 ... >>>>>>> from the root interpreter? >>>>>>> >>>>>>> >>>>>> Hi Dmitry, >>>>>> >>>>>> you can try gSystem->Load("library_name"). The documentation is >>>>>> available here: >>>>>> >>>>>> http://root.cern.ch/root/html/TSystem.html#TSystem:Load >>>>>> >>>>>> Regards, >>>>>> >>>>>> >> >> > >

Re: load a list of libs
Russian Federation	2008-03-21 08:48:38
Hi Ivana, thanks for your reply. Yes, I am aware about this macro. However as I built a sort of own application (+macros) I have anyway to trace changes in geant4_vmc/examples/macro/g4libs.C in order to update my own modified g4libs.C On the other hand during recent discussion on this point I got several suggestions and a very nice function from Christian Holm Christensen (cholmnbi.dk) which we iterated among us. This function reads a char* with a full list of G4 libs in the form -L/path -lib1 -lib2 ...-libN and loads them one by one in the memory. This input char* is prepared from G4 liblist function. I find this way rather comfortable. Perhaps you may find this useful as well as you will need not follow G4 modifications and you will have always up-to-date g4libs.C macro? There is only one odd-thing - it loads ALL g4 libs, while we need just some of them. Perhaps this could be sorted out somehow... Best regards, Dmitry Ivana Hrivnacova ÐÉÛÅÔ: > Hi Dmitry, > > Geant4 VMC provides a macro for loading all Geant4 libraries > needed for user application in: > geant4_vmc/examples/macro/g4libs.C > This macro is regularly updated with each Geant4 release and > you can follow the changes using SVN. > > Best regards, > > Ivana >

Re: load a list of libs
France	2008-03-21 11:11:38
Dmitry Naumov wrote: > Hi Ivana, > > thanks for your reply. Yes, I am aware about this macro. However as I > built a sort of own application (+macros) I have anyway to trace changes > in geant4_vmc/examples/macro/g4libs.C in order to update my own modified > g4libs.C Ok. > > On the other hand during recent discussion on this point I got several > suggestions and a very nice function from Christian Holm Christensen > (cholmnbi.dk) which we iterated among us. This function reads a char* > with a full list of G4 libs in the form -L/path -lib1 -lib2 ...-libN and > loads them one by one in the memory. This input char* is prepared from > G4 liblist function. I find this way rather comfortable. Perhaps you may > find this useful as well as you will need not follow G4 modifications > and you will have always up-to-date g4libs.C macro? There is only one > odd-thing - it loads ALL g4 libs, while we need just some of them. > Perhaps this could be sorted out somehow... Could you send me it offline this mailing list? Thank you, Ivana > > Best regards, Dmitry > > Ivana Hrivnacova ÐÉÛÅÔ: >> Hi Dmitry, >> >> Geant4 VMC provides a macro for loading all Geant4 libraries >> needed for user application in: >> geant4_vmc/examples/macro/g4libs.C >> This macro is regularly updated with each Geant4 release and >> you can follow the changes using SVN. >> >> Best regards, >> >> Ivana >> > -- ============================================================ == e-mail: Ivana.Hrivnacovacern.ch address: Institut Physique Nucleaire, 91406 Orsay, France phone: (33) 01 69 15 65 94 ============================================================ ==

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