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

[Suciu Flavius <suciuflavius@tiscali.de>]

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
>>
> 
> -
> 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
>