Very Computer

1. C++ linking problem creating a static lib from another static lib.

Hi everybody,

I am working under Solaris 2.8 and compiling/linking C++ code using SUN
Workshop 6.

What I need to do is creating a static library linking my own C++ objects
with a provided static library.
The provided library is installed in :

/soft/externalTool/lib/libFoo.a

I need to build the static library "myLib.a" which depends on the
"libFoo.a" library.
My link command is :

CC -xar -o myLib.a myObj1.o myObj2.o -L/soft/externalTool/lib -Bstatic -
lFoo

When I do "nm -A myLib.a", I can see that the external symbols which belong
to "libFoo.a" are undefined in "myLib.a".

Removing the "-lFoo" link option gives exactly the same result => it is as
if I was my C++ objects were never linked with "libFoo.a".

If I try to make a shared library using the following command (changing the
-xar option to -G):

CC -G -o myLib.so myObj1.o myObj2.o -L/soft/externalCompany/lib -Bstatic -
lFoo

It works perfectly and I have no undefined symbols.
I do not understand why linking succeed when doing a dynamic library
whereas it fails doing a static library.

Does anyone have an explanation ?
Do you know what is wrong ?
Can anyone give me the right command line for statically linking
successfully ?

Thanks in advance (it makes me crazy !)

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