On 11/12/09 9:14 AM, "Jean-François MAUREL" <jfr.maurel@xxxxxxxxx> 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
