On 30 Jul 2007 14:37:42 -0700, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > Henry <dimensiondude.oss@xxxxxxxxx> writes: > > > I am trying to use -Bgroup, but it doesn't seem to be working. For > > example, I have libA and libB and they both have function theFunc(). > > What is happening is that a function in either library will theFunc() > > > From whichever library was loaded first. The behavior I would like > > > is > > for if a function in libA calls theFunc(), it calls libA's theFunc(), > > and if a function in libB calls theFunc(), it calls libB's theFunc(). > > As I understand it, -Bgroup is supposed to do this, but it doesn't > > seem to do anything. Does it not work with C++? > > I don't know what -Bgroup is. Also, you didn't mention what type of > system you are using. > > Are libA and libB shared libraries? If so, you can get the behaviour > you want by controlling the visibility of theFunc. Or you can use > -Bstatic when you create libA.so and libB.so. > > If libA and libB are static libraries, then there is no way to make > this work, at least not on a GNU/Linux or other Unix system. > > Ian > The Solaris linker has a -Bgroup option. See http://docs.sun.com/app/docs/doc/816-5165/6mbb0m9jt?a=view The option is used to bind a group of dynamic libraries together, to avoid interposition. -- Lawrence Crowl
