linking c and fortran in the same archive

[Jean-François MAUREL]

Dear Eljay,

This helped a lot. --whole-archive option works here. I already played 
with this option but didn't find the right syntax.

Thanks a lot.


John (Eljay) Love-Jensen a écrit :
> On 11/12/09 9:14 AM, "Jean-François MAUREL" <jfr.maurel@gmail.com> wrote:
>
>   
>> Hi every one,
>>
>> I am a newcomer to gcc. I searched within documentation and mailing list
>> archive but did not find anything useful for the following issue:
>> I cannot link c and f object files when I provide a single archive file.
>> I can do it only when I provide individual object files
>>
>> Below are the details:
>>
>> I can compile link and execute a test program containing a c program
>> file and a fortran program file (see below) with following set of commands:
>>  (Windows Vista MinGW gcc , gfortran 4.4.0 ):
>> gcc -c main.c -omain.o -Wall
>> gfortran -c sub.f -osub.o -Wall
>> gcc *.o  -Wall -enable-stdcall-fixup -omain.exe
>>
>> when I use the following commands I have an undefined reference error :
>> gcc -c main.c -omain.o -Wall
>> gfortran -c sub.f -osub.o -Wall
>> ar -r libtotal.a main.o sub.o
>> gcc -ltotal  -Wall -enable-stdcall-fixup -omain.exe -L.
>> ./libtotal.a(main.o):main.c:(.text+0x6b): undefined reference to `test_@24'
>> collect2: ld a retourné 1 code d'état d'exécution
>>
>> gcc -ltotal  -Wall -enable-stdcall-fixup -omain.exe -L.
>> Could someone tell what I am missing here?
>>     
>
> What happens if you put your library dependencies in order?
>
> gcc -Wall -enable-stdcall-fixup -o main.exe -L. -ltotal
>
> The order is important.  The libraries are processed left-to-right.  At the
> time of the -ltotal in your command-line, there is no outstanding symbols
> from the *.o files (since there haven't been any *.o files).
>
> Note:  *.o files are taken in their entirety, unlike the archive library.
>
> Your linker may also have a switch to pull in all the parts in the archive
> library, such as:
>
> gcc -Wl,--whole-archive -ltotal -Wl,--no-whole-archive -Wall
> -enable-stdcall-fixup -o main.exe -L.
>
> HTH,
> --Eljay
>
>
>
>   


-- 
Jean-François MAUREL
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