From mboxrd@z Thu Jan 1 00:00:00 1970 From: mojtaba mahdavi Subject: Re: Windows can use cpp in c code but in linux ?? I dont know how. Date: Sat, 2 Oct 2004 10:09:48 +0330 Sender: linux-c-programming-owner@vger.kernel.org Message-ID: <36a2bb3d04100123391f71eedb@mail.gmail.com> References: <36a2bb3d04093003501d1b58a7@mail.gmail.com> <36a2bb3d0410012247107a25a@mail.gmail.com> Reply-To: mojtaba mahdavi Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Id: Content-Type: text/plain; charset="us-ascii" To: Suciu Flavius Cc: linux-c-programming@vger.kernel.org Thanks to all My problem has been solved. yours sincerely. mahdavi. On Sat, 02 Oct 2004 08:37:56 -0700, Suciu Flavius wrote: > GCC - GNU C Compiler > G++ - GNU C++ Compiler > > So, you are using now the pure C compiler but extra linking with the c++ > library. > > Regards > > > > > mojtaba mahdavi wrote: > > Hi. > > > > Thanks for your reply. > > you told me to use following command. > > > > > >>gcc a.c mylib.a -lstdc++ > > > > > > Now. who is the compiler. C or C++ ? > > If C ? I got what I wanted. > > If C++ ? I do not want it to compile my code. Since I want to use C as > > my compiler not C++. > > > > Sincerely all. > > > > mahdavi. > > > > On Thu, 30 Sep 2004 18:49:53 -0700, Suciu Flavius > > wrote: > > > >>Hi, > >> > >>Your solution is a partial solution, because you "migration" require > >>also the C++ library to be linked. > >> > >>First, of course it's possible ;) > >> > >>Second, under windoze you compiler it's smart (or dumb enought) to link > >>automaticly with the c++ library. > >> > >>Under Linux, gcc it's a pure c compiler, it never link agains c++ > >>library, so "the misterious" messages refer to the missing c++ library > >>because you code do references for operator new and delete ;) > >> > >>To solve this is easy, link with the c++ library: -lstdc++ > >> > >>gcc a.c mylib.a -lstdc++ > >> > >>Third, welcom in the Linux world :) > >> > >>Regards, and don't forget, under Linux EVERYTHING is possible :D > >> > >> > >> > >> > >>mojtaba mahdavi wrote: > >> > >>>Hi all. > >>> > >>>I am a windows programmer and want to migrate my codes to linux. > >>> > >>>My problem is as followes. > >>> > >>>I want to use cpp (File1.cpp) codes in c (File2.c) codes. > >>> > >>>in windows I have done following and it is ok. > >>> > >>>1- I wrote a cpp code (Wrap.cpp) that wraps my cpp code (File1.cpp) and > >>>compiled it using cpp compiler. > >>>( my strategy: for every method I wrote a c function that calls the methode. > >>>each function gets a void * to the class handle and ... ) > >>> > >>>2- I exported my wrapper functions as C interfaces using extern "C". (Wrap.h) > >>> > >>>3- in File2.c I used wrap.h and compiled it as a c code. every thing is fine. > >>> > >>>Now I have trouble with linux to do that (because I am a newbie in linux). > >>> > >>>at first, is it possible in linux ?? ( I think it must be possible ). > >>> > >>>secondly, How do I it. > >>> > >>>actually I have done above in linux but I got some error message. > >>> > >>>My strateghy is as follows. > >>> > >>>1- complie file1.cpp and wrap.cpp using gcc and making file1.o and > >>>wrap.o. it is ok. > >>>2- making library using ar command. it is ok. (mylib.a) > >>>3- compile and link file2.c with mylib.a ..???????!!!!!!!! > >>> this generates an error. > >>> it says : > >>> > >>>./libmylib.a(wrap.o)(.text+0xc):wrap.cpp: undefined reference to ` > >>>___gxx_personality_sj0' > >>>./libmylib.a(wrap.o)(.text+0x44):wrap.cpp: undefined reference to > >>>`operator new(unsigned)' > >>>./libmylib.a(wrap.o)(.text+0x85):wrap.cpp: undefined reference to > >>>`operator delete(void*)' > >>>./libmylib.a(wrap.o)(.text+0xeb):wrap.cpp: undefined reference to > >>>`operator delete(void*)' > >>>collect2: ld returned 1 exit status > >>> > >>> > >>>NOW. > >>> > >>>what should I do ???? > >>>- > >>>To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in > >>>the body of a message to majordomo@vger.kernel.org > >>>More majordomo info at http://vger.kernel.org/majordomo-info.html > >>> > >> > >>- > >>To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in > >>the body of a message to majordomo@vger.kernel.org > >>More majordomo info at http://vger.kernel.org/majordomo-info.html > >> > > > > - > > > > To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >