Pure static build of the lib

[systems]

Hello list,
I try to build an pure static build of the lib.
The build itself looks good and all the test will pass.
But when I try to link the lib against an application it will fails with:
/builddir/build/BUILD/gcrypt/lib/libgcrypt.a(libgcrypt_la-visibility.o):
undefined reference to symbol 'gpg_strerror'

My libgpg-error are also an static one.
Try to link both static libs to the application will also fails with the
same result.

As far as I understand, an static lib will not have any external
dependency's.