Re: Windows can use cpp in c code but in linux ?? I dont know how.

[mojtaba mahdavi <mahdavi110@gmail.com>]

Thanks to all 

My problem has been solved. 

yours sincerely. 

mahdavi. 



On Sat, 02 Oct 2004 08:37:56 -0700, Suciu Flavius
<suciuflavius@tiscali.de> 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
> > <suciuflavius@tiscali.de> 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
> >>
> > 
> > -
> 
> 
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