I thought he was relinking. I was expecting that behavior. He said that he wanted it to rebuild the source, which is what I didn't understand. I use Qt's make system and it works rather well. I'm fairly certain however that it has no special rules for binary dependencies. I will take another look. corey On Tue, 8 Feb 2005 18:06:12 -0500, Tony Wetmore <tony.wetmore@xxxxxxxxxxxx> wrote: > > Jupp: This is definitely a question to be answered by a Qt mailing > list. It has nothing to do with gcc. Even make is not a part of gcc, > so that likely has its own mailing list as well. > > Corey: If you are linking an executable against a static library, as > Jupp is doing, you must re-link the executable if the library changes, > otherwise your executable will NOT see the changes made in the library. > This is definitely something you would do in a Makefile for your > executable, probably something like this: > > executable: main.o staticlibrary.a > LINK_COMMAND_HERE > > That rule would trigger a re-link of the executable if either main.o or > staticlibrary.a were changed. > > --- > Tony Wetmore > Raytheon Solipsys > mailto:tony.wetmore@xxxxxxxxxxxx > http://www.solipsys.com > > > -----Original Message----- > From: gcc-help-owner@xxxxxxxxxxx [mailto:gcc-help-owner@xxxxxxxxxxx] On > Behalf Of corey taylor > Sent: Tuesday, February 08, 2005 5:11 PM > To: Jupp Tscheak > Cc: gcc-help@xxxxxxxxxxx > Subject: Re: AW: problems with make... > > Well, I don't exactly see why you would want that. > > However, that's an automake, make issue. I'm not sure if you can > specify a binary in the dependency list though. > > Corey > > On Tue, 8 Feb 2005 22:54:42 +0100, Jupp Tscheak <jupp_tscheak@xxxxxx> > wrote: > > Hi corey, > > > > if a static linked library has changed the whole binary should be > > recomplied. If make notices that any of the sources are newer than the > > > binary it recompiles. This behaviour should be the same if the static > > lib is newer than the binary. That isn't the case. Can you explain > > this? > > > > Jupp > > > > -----Ursprüngliche Nachricht----- > > Von: corey taylor [mailto:corey.taylor@xxxxxxxxx] > > Gesendet: Dienstag, 8. Februar 2005 22:44 > > An: Jupp Tscheak > > Cc: gcc-help@xxxxxxxxxxx > > Betreff: Re: problems with make... > > > > Jupp, > > > > For what behavior are you looking? > > > > corey > > > > On Tue, 8 Feb 2005 22:40:45 +0100, Jupp Tscheak <jupp_tscheak@xxxxxx> > > wrote: > > > Hi, > > > > > > we're building our project with automatic generated Makefiles (using > > > > qt's .pro files, although some modules have nothing to do with qt!). > > > > The problem is that if a static linked library has changed, it says > > > "nothing to be done for..." (binary file is older than static lib so > > > > it should be relinked). Does anyone know how to avoid this behavior > > > (any flags for g++)? > > > > > > Thanks in advance > > > > > > Jupp Tscheak > > > > > > > > > > > >
