Hi,

I'm using the datetime library of boost 1_30_0 with VC7.1 with precompiled headers on. We're getting the following link warnings/errors:

om.lib(bg_extra.obj) : warning LNK4006: ___@@_PchSym_@00@UwvevolknvmgUtnkEPozhgUhlfixvUytPzwwOlyq@ already defined in om.lib(bg_init.obj); second definition ignored

om.lib(bg_extra.obj) : error LNK2005: ___@@_PchSym_@00@UwvevolknvmgUtnkEPozhgUhlfixvUytPzwwOlyq@ already defined in om.lib(bg_init.obj)

We include boost headers in our own header files. Our own

--- In Boost-Users@yahoogroups.com, "co_tangens" wrote: headerfiles

are then used to create a precompiled header. It seems that all object files that use the precompiled header get these link errors...

Does anyone know the reason/ a solution for this error?

Thanks a lot!

Sorry guys, it had nothing to do with boost after all. At the same time of introducing boost something else was added as well causing the problem: a method was dllexported while being implemented in the header as well .... Looks like pch can't handle this... Bart